Hi.

My previous email was sent as HTML for some reason and it seems no one could 
read it. So the second attempt.

I have a Canon i-SENSYS MF113w MFP. As far as I understand, it belongs to the 
I-SENSYS MF110 series. Here http://www.sane-project.org/sane-mfgs.html#Z-CANON 
it says that testers are needed. So, I am a tester :-)

My system: Linux 5.3.18-lp152.95-preempt x86_64
I've tried sane-backends 1.0.32-lp152.7.6.1 and 1.0.32.130-3b47 (built from Git 
sources).

mekras@krasilnikov ~> env SANE_DEBUG_BJNP=5 scanimage --list-devices
[23:30:30.828642] [sanei_debug] Setting debug level of bjnp to 5.
[23:30:30.828805] [bjnp] sanei_bjnp_find_devices, pixma backend version: 0.28.6
[23:30:30.828854] [bjnp] sanei_bjnp_find_devices: Configuration file is empty, 
No devices specified.
[23:30:30.828875] [bjnp] sanei_bjnp_find_devices: Start auto-detection.
[23:30:30.829183] [bjnp] prepare_socket: lo is not a valid IPv4 interface, 
skipping...
[23:30:30.829250] [bjnp] prepare_socket: eth1 is IPv4 capable, sending 
broadcast, socket = 9
[23:30:30.829289] [bjnp] prepare_socket: docker0 is IPv4 capable, sending 
broadcast, socket = 10
[23:30:30.829325] [bjnp] prepare_socket: br-e7f936b3daaa is IPv4 capable, 
sending broadcast, socket = 11
[23:30:30.829345] [bjnp] prepare_socket: lo is not a valid IPv6 interface, 
skipping...
[23:30:30.829393] [bjnp] prepare_socket: eth1 is IPv6 capable, sending 
broadcast, socket = 12
[23:30:30.829432] [bjnp] prepare_socket: docker0 is IPv6 capable, sending 
broadcast, socket = 13
[23:30:31.009332] [bjnp] sanei_bjnp_find_devices: Select returned, time left 
0.340752....
[23:30:31.009416] [bjnp] sanei_find_devices: Discover response:
[23:30:31.009447] [bjnp]  00000000:4d 46 4e 50 82 01 00 00  00 00 00 00 00 00 00 10 [23:30:31.009472] [bjnp]  00000010:00 01 08 00 06 04 c4 ac  59 aa fd 5b c0 a8 80 1e [23:30:31.018127] [bjnp] get_scanner_name: Name for 192.168.128.30 not found : Name or service not known
[23:30:31.018204] [bjnp] 
bjnp_allocate_device(mfnp://192.168.128.30:8610/timeout=10000) 0
[23:30:31.024584] [bjnp] get_scanner_name: Name for 192.168.128.30 not found : 
Name or service not known
[23:30:31.024643] [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 
192.168.128.30  port 8610
[23:30:31.027865] [bjnp] bjnp_get_scanner_mac_address: Discover response:
[23:30:31.027922] [bjnp]  00000000:4d 46 4e 50 82 01 00 00  00 00 00 00 00 00 00 10 [23:30:31.027954] [bjnp]  00000010:00 01 08 00 06 04 c4 ac  59 aa fd 5b c0 a8 80 1e [23:30:31.028001] [bjnp] bjnp_allocate_device: Scanner not yet in our list, added it: 192.168.128.30:8610
[23:30:31.028043] [bjnp] get_scanner_id: Get scanner identity
[23:30:31.028079] [bjnp]  00000000:4d 46 4e 50 02 30 00 00  00 01 00 00 00 00 00 00 [23:30:31.028114] [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 192.168.128.30  port 8610
[23:30:31.029729] [bjnp] get_scanner_id: scanner identity:
[23:30:31.029785] [bjnp]  00000000:4d 46 4e 50 82 30 00 00  00 01 00 00 00 00 00 60 [23:30:31.029808] [bjnp]  00000010:4d 46 47 3a 43 41 4e 4f  4e 3b 43 4d 44 3a 4d 46 [23:30:31.029839] [bjnp]  00000020:4e 50 31 2c 4d 75 6c 74  69 50 41 53 53 20 32 2e [23:30:31.029863] [bjnp]  00000030:31 3b 4d 44 4c 3a 43 61  6e 6f 6e 20 4d 46 31 31 [23:30:31.029884] [bjnp]  00000040:30 2f 39 31 30 20 53 65  72 69 65 73 3b 43 4c 53 [23:30:31.029906] [bjnp]  00000050:3a 49 4d 47 3b 44 45 53  3a 43 61 6e 6f 6e 20 4d [23:30:31.029927] [bjnp]  00000060:46 31 31 30 2f 39 31 30  20 53 65 72 69 65 73 3b [23:30:31.029950] [bjnp] get_scanner_id: Scanner identity string = MFG:CANON;CMD:MFNP1,MultiPASS 2.1;MDL:Canon MF110/910 Series;CLS:IMG;DES:Canon MF110/910 Series; - length = 96
[23:30:31.029985] [bjnp] get_scanner_id: Scanner model = Canon MF110/910 Series
[23:30:31.030008] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP150
[23:30:31.030035] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP170
[23:30:31.030059] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP450
[23:30:31.030080] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP500
[23:30:31.030103] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP530
[23:30:31.030124] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP140
[23:30:31.030145] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP160
[23:30:31.030167] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP180
[23:30:31.030191] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP460
[23:30:31.030216] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP510
[23:30:31.030241] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP600
[23:30:31.030267] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP600R
[23:30:31.030292] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP210
[23:30:31.030317] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP220
[23:30:31.030342] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP470
[23:30:31.030366] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP520
[23:30:31.030390] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP610
[23:30:31.030416] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX300
[23:30:31.030440] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX310
[23:30:31.030463] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX700
[23:30:31.030489] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX850
[23:30:31.030514] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX7600
[23:30:31.030539] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP630
[23:30:31.030564] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP620
[23:30:31.030588] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP540
[23:30:31.030612] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP480
[23:30:31.030637] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP240
[23:30:31.030661] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP260
[23:30:31.030685] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP190
[23:30:31.030709] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX320
[23:30:31.030733] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX330
[23:30:31.030758] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX860
[23:30:31.030782] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX340
[23:30:31.030808] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX350
[23:30:31.030833] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX870
[23:30:31.030859] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX360
[23:30:31.030882] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX410
[23:30:31.030907] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX420
[23:30:31.030931] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX880
[23:30:31.030955] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP640
[23:30:31.030978] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP560
[23:30:31.031002] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP550
[23:30:31.031026] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP490
[23:30:31.031051] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP250
[23:30:31.031075] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP270
[23:30:31.031099] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP280
[23:30:31.031122] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP495
[23:30:31.031147] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5100
[23:30:31.031172] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5200
[23:30:31.031197] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6100
[23:30:31.031223] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG2100
[23:30:31.031247] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG3100
[23:30:31.031272] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG4100
[23:30:31.031296] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5300
[23:30:31.031321] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6200
[23:30:31.031345] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP493
[23:30:31.031369] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E500
[23:30:31.031394] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX370
[23:30:31.031418] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX430
[23:30:31.031443] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX510
[23:30:31.031467] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX710
[23:30:31.031493] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX890
[23:30:31.031518] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E600
[23:30:31.031543] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG4200
[23:30:31.031568] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E510
[23:30:31.031593] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E610
[23:30:31.031618] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP230
[23:30:31.031642] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG2200
[23:30:31.031667] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG3200
[23:30:31.031692] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5400
[23:30:31.031717] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6300
[23:30:31.031741] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX390
[23:30:31.031766] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX450
[23:30:31.031790] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX520
[23:30:31.031816] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX720
[23:30:31.031840] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX920
[23:30:31.031864] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG2400
[23:30:31.031889] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG2500
[23:30:31.031914] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG3500
[23:30:31.031938] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5500
[23:30:31.031963] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6400
[23:30:31.031988] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6500
[23:30:31.032013] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG7100
[23:30:31.032037] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX470
[23:30:31.032062] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX530
[23:30:31.032086] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB5000
[23:30:31.032111] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB5300
[23:30:31.032136] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB2000
[23:30:31.032161] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB2100
[23:30:31.032186] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB2300
[23:30:31.032210] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB2700
[23:30:31.032234] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E400
[23:30:31.032259] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E560
[23:30:31.032284] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG7500
[23:30:31.032310] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6600
[23:30:31.032334] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5600
[23:30:31.032386] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG2900
[23:30:31.032415] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E460
[23:30:31.032440] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX490
[23:30:31.032465] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E480
[23:30:31.032489] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG3600
[23:30:31.032513] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG7700
[23:30:31.032537] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6900
[23:30:31.032562] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6800
[23:30:31.032586] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5700
[23:30:31.032611] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G3000
[23:30:31.032636] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G2000
[23:30:31.032660] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS9000
[23:30:31.032685] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8000
[23:30:31.032708] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6000
[23:30:31.032732] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS5000
[23:30:31.032751] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG3000
[23:30:31.032773] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E470
[23:30:31.032797] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E410
[23:30:31.032822] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G4000
[23:30:31.032847] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6100
[23:30:31.032871] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS5100
[23:30:31.032895] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS3100
[23:30:31.032918] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E3100
[23:30:31.032942] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB5400
[23:30:31.032965] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB5100
[23:30:31.032990] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS9100
[23:30:31.033015] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR8500
[23:30:31.033039] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR7500
[23:30:31.033063] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS9500
[23:30:31.033087] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
LIDE400
[23:30:31.033112] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
LIDE300
[23:30:31.033136] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8100
[23:30:31.033160] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G2010
[23:30:31.033184] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G3010
[23:30:31.033208] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G4010
[23:30:31.033232] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS9180
[23:30:31.033257] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8180
[23:30:31.033280] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6180
[23:30:31.033304] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR8580
[23:30:31.033328] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8130
[23:30:31.033353] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6130
[23:30:31.033378] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR8530
[23:30:31.033403] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR7530
[23:30:31.033426] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
XK50
[23:30:31.033450] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
XK70
[23:30:31.033474] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR4500
[23:30:31.033498] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E4200
[23:30:31.033523] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6200
[23:30:31.033547] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6280
[23:30:31.033572] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6230
[23:30:31.033595] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8200
[23:30:31.033620] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8280
[23:30:31.033643] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8230
[23:30:31.033666] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS9580
[23:30:31.033690] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR9530
[23:30:31.033715] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G7000
[23:30:31.033739] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G6000
[23:30:31.033764] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G6080
[23:30:31.033789] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
GM4000
[23:30:31.033813] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
XK80
[23:30:31.033837] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS5300
[23:30:31.033861] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS5380
[23:30:31.033885] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6300
[23:30:31.033909] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6380
[23:30:31.033933] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS7330
[23:30:31.033958] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8380
[23:30:31.033981] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8330
[23:30:31.034006] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
XK60
[23:30:31.034029] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6330
[23:30:31.034054] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS3300
[23:30:31.034077] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E3300
[23:30:31.034102] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS3400
[23:30:31.034126] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E3400
[23:30:31.034147] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR7000
[23:30:31.034171] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G2020
[23:30:31.034193] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G3060
[23:30:31.034215] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G2060
[23:30:31.034236] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G3020
[23:30:31.034258] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS7430
[23:30:31.034282] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
XK90
[23:30:31.034311] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8430
[23:30:31.034371] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR7600
[23:30:31.034415] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR8600
[23:30:31.034448] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR8630
[23:30:31.034473] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6400
[23:30:31.034497] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS7400
[23:30:31.034522] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G7080
[23:30:31.034546] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
GM4080
[23:30:31.034570] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP750
[23:30:31.034594] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP760/770
[23:30:31.034620] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP780/790
[23:30:31.034645] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP5
[23:30:31.034669] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP10
[23:30:31.034694] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP360
[23:30:31.034718] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP370
[23:30:31.034742] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP375R
[23:30:31.034768] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP390
[23:30:31.034793] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP700
[23:30:31.034818] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP710
[23:30:31.034842] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP730
[23:30:31.034866] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP740
[23:30:31.034891] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5730
[23:30:31.034915] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5750
[23:30:31.034940] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5770
[23:30:31.034964] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF3110
[23:30:31.034988] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
iR1020
[23:30:31.035013] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP800
[23:30:31.035037] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP800R
[23:30:31.035062] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP830
[23:30:31.035087] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP810
[23:30:31.035111] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP960
[23:30:31.035135] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP970
[23:30:31.035159] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
8800F
[23:30:31.035184] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP980
[23:30:31.035208] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP990
[23:30:31.035232] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
9000F
[23:30:31.035257] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG8100
[23:30:31.035281] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG8200
[23:30:31.035306] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
9000FMarkII
[23:30:31.035332] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4270
[23:30:31.035357] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4100
[23:30:31.035381] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4690
[23:30:31.035405] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
D420
[23:30:31.035430] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
D480
[23:30:31.035454] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4360
[23:30:31.035479] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4320
[23:30:31.035503] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4010
[23:30:31.035528] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF3240
[23:30:31.035552] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF6500
[23:30:31.035576] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4410
[23:30:31.035601] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
D550
[23:30:31.035625] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4500
[23:30:31.035650] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF3010
[23:30:31.035674] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4700
[23:30:31.035698] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4800
[23:30:31.035722] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4570dw
[23:30:31.035748] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF8200C
[23:30:31.035772] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF8300
[23:30:31.035796] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
D530
[23:30:31.035820] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5630
[23:30:31.035842] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5650
[23:30:31.035866] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF8170c
[23:30:31.035891] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF8030
[23:30:31.035916] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5880
[23:30:31.035940] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF6680
[23:30:31.035964] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
iR1133
[23:30:31.035989] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5900
[23:30:31.036013] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF8500C
[23:30:31.036038] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF6100
[23:30:31.036062] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF810/820
[23:30:31.036087] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF220
[23:30:31.036111] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF210
[23:30:31.036136] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF620
[23:30:31.036160] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF720
[23:30:31.036184] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF410
[23:30:31.036209] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF510
[23:30:31.036233] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF230
[23:30:31.036258] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF240
[23:30:31.036283] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF630
[23:30:31.036307] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF730
[23:30:31.036331] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF731
[23:30:31.036382] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF633C/635C
[23:30:31.036421] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF632C/634C
[23:30:31.036450] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF731C/733C
[23:30:31.036476] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
D570
[23:30:31.036500] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF110
[23:30:31.036525] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF520
[23:30:31.036549] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF420
[23:30:31.036573] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF260
[23:30:31.036595] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF740
[23:30:31.036614] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF741C/743C
[23:30:31.036633] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF642C/643C/644C
[23:30:31.036653] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF645C
[23:30:31.036673] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF440
[23:30:31.036692] [bjnp] lookup_scanner: Scanner model Canon MF110/910 Series 
not found, giving up!
[23:30:31.036710] [bjnp] add_scanner: Scanner Canon MF110/910 Series is not 
supported, model is unknown! Please report upstream
[23:30:31.036740] [bjnp] sanei_bjnp_find_devices: Select returned, time left 
0.499993....
[23:30:31.036767] [bjnp] sanei_find_devices: Discover response:
[23:30:31.036788] [bjnp]  00000000:4d 46 4e 50 82 01 00 00  00 00 00 00 00 00 00 10 [23:30:31.036901] [bjnp]  00000010:00 01 08 00 06 04 c4 ac  59 aa fd 5b c0 a8 80 1e [23:30:31.042917] [bjnp] get_scanner_name: Name for 192.168.128.30 not found : Name or service not known
[23:30:31.042976] [bjnp] 
bjnp_allocate_device(mfnp://192.168.128.30:8610/timeout=10000) 1
[23:30:31.049417] [bjnp] get_scanner_name: Name for 192.168.128.30 not found : 
Name or service not known
[23:30:31.049475] [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 
192.168.128.30  port 8610
[23:30:31.051838] [bjnp] bjnp_get_scanner_mac_address: Discover response:
[23:30:31.051895] [bjnp]  00000000:4d 46 4e 50 82 01 00 00  00 00 00 00 00 00 00 10 [23:30:31.051917] [bjnp]  00000010:00 01 08 00 06 04 c4 ac  59 aa fd 5b c0 a8 80 1e [23:30:31.051943] [bjnp] add_scanner: Scanner at mfnp://192.168.128.30:8610/timeout=10000 was added before, good!
[23:30:31.552404] [bjnp] sanei_find_devices: scanner discovery finished...

Just to try, I added the line

DEV ("Canon i-SENSYS MF113w", "Canon MF110/910 Series", MF110_PID, 600, 0, 640, 
1050, PIXMA_CAP_ADFDUP),

to backend/pixma/pixma_imageclass.c and now I have:

mekras@krasilnikov ~> env SANE_DEBUG_BJNP=5 scanimage --list-devices
[23:50:24.546554] [sanei_debug] Setting debug level of bjnp to 5.
[23:50:24.546595] [bjnp] sanei_bjnp_find_devices, pixma backend version: 0.28.6
[23:50:24.546607] [bjnp] sanei_bjnp_find_devices: Configuration file is empty, 
No devices specified.
[23:50:24.546613] [bjnp] sanei_bjnp_find_devices: Start auto-detection.
[23:50:24.546699] [bjnp] prepare_socket: lo is not a valid IPv4 interface, 
skipping...
[23:50:24.546717] [bjnp] prepare_socket: eth1 is IPv4 capable, sending 
broadcast, socket = 39
[23:50:24.546727] [bjnp] prepare_socket: docker0 is IPv4 capable, sending 
broadcast, socket = 40
[23:50:24.546736] [bjnp] prepare_socket: br-e7f936b3daaa is IPv4 capable, 
sending broadcast, socket = 41
[23:50:24.546742] [bjnp] prepare_socket: lo is not a valid IPv6 interface, 
skipping...
[23:50:24.546754] [bjnp] prepare_socket: eth1 is IPv6 capable, sending 
broadcast, socket = 42
[23:50:24.546763] [bjnp] prepare_socket: docker0 is IPv6 capable, sending 
broadcast, socket = 43
[23:50:24.613028] [bjnp] sanei_bjnp_find_devices: Select returned, time left 
0.454022....
[23:50:24.613062] [bjnp] sanei_find_devices: Discover response:
[23:50:24.613069] [bjnp]  00000000:4d 46 4e 50 82 01 00 00  00 00 00 00 00 00 00 10 [23:50:24.613075] [bjnp]  00000010:00 01 08 00 06 04 c4 ac  59 aa fd 5b c0 a8 80 1e [23:50:24.620693] [bjnp] get_scanner_name: Name for 192.168.128.30 not found : Name or service not known
[23:50:24.620719] [bjnp] 
bjnp_allocate_device(mfnp://192.168.128.30:8610/timeout=10000) 0
[23:50:24.626393] [bjnp] get_scanner_name: Name for 192.168.128.30 not found : 
Name or service not known
[23:50:24.626407] [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 
192.168.128.30  port 8610
[23:50:24.628028] [bjnp] bjnp_get_scanner_mac_address: Discover response:
[23:50:24.628041] [bjnp]  00000000:4d 46 4e 50 82 01 00 00  00 00 00 00 00 00 00 10 [23:50:24.628045] [bjnp]  00000010:00 01 08 00 06 04 c4 ac  59 aa fd 5b c0 a8 80 1e [23:50:24.628052] [bjnp] bjnp_allocate_device: Scanner not yet in our list, added it: 192.168.128.30:8610
[23:50:24.628057] [bjnp] get_scanner_id: Get scanner identity
[23:50:24.628061] [bjnp]  00000000:4d 46 4e 50 02 30 00 00  00 01 00 00 00 00 00 00 [23:50:24.628067] [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 192.168.128.30  port 8610
[23:50:24.629539] [bjnp] get_scanner_id: scanner identity:
[23:50:24.629553] [bjnp]  00000000:4d 46 4e 50 82 30 00 00  00 01 00 00 00 00 00 60 [23:50:24.629558] [bjnp]  00000010:4d 46 47 3a 43 41 4e 4f  4e 3b 43 4d 44 3a 4d 46 [23:50:24.629563] [bjnp]  00000020:4e 50 31 2c 4d 75 6c 74  69 50 41 53 53 20 32 2e [23:50:24.629567] [bjnp]  00000030:31 3b 4d 44 4c 3a 43 61  6e 6f 6e 20 4d 46 31 31 [23:50:24.629572] [bjnp]  00000040:30 2f 39 31 30 20 53 65  72 69 65 73 3b 43 4c 53 [23:50:24.629576] [bjnp]  00000050:3a 49 4d 47 3b 44 45 53  3a 43 61 6e 6f 6e 20 4d [23:50:24.629581] [bjnp]  00000060:46 31 31 30 2f 39 31 30  20 53 65 72 69 65 73 3b [23:50:24.629586] [bjnp] get_scanner_id: Scanner identity string = MFG:CANON;CMD:MFNP1,MultiPASS 2.1;MDL:Canon MF110/910 Series;CLS:IMG;DES:Canon MF110/910 Series; - length = 96
[23:50:24.629595] [bjnp] get_scanner_id: Scanner model = Canon MF110/910 Series
[23:50:24.629600] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP150
[23:50:24.629607] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP170
[23:50:24.629611] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP450
[23:50:24.629617] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP500
[23:50:24.629622] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP530
[23:50:24.629627] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP140
[23:50:24.629632] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP160
[23:50:24.629637] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP180
[23:50:24.629643] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP460
[23:50:24.629648] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP510
[23:50:24.629653] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP600
[23:50:24.629658] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP600R
[23:50:24.629664] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP210
[23:50:24.629669] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP220
[23:50:24.629675] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP470
[23:50:24.629681] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP520
[23:50:24.629687] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP610
[23:50:24.629693] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX300
[23:50:24.629698] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX310
[23:50:24.629704] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX700
[23:50:24.629710] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX850
[23:50:24.629716] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX7600
[23:50:24.629722] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP630
[23:50:24.629728] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP620
[23:50:24.629734] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP540
[23:50:24.629739] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP480
[23:50:24.629745] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP240
[23:50:24.629751] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP260
[23:50:24.629757] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP190
[23:50:24.629763] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX320
[23:50:24.629768] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX330
[23:50:24.629774] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX860
[23:50:24.629780] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX340
[23:50:24.629786] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX350
[23:50:24.629792] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX870
[23:50:24.629798] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX360
[23:50:24.629803] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX410
[23:50:24.629809] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX420
[23:50:24.629815] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX880
[23:50:24.629821] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP640
[23:50:24.629826] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP560
[23:50:24.629832] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP550
[23:50:24.629838] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP490
[23:50:24.629844] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP250
[23:50:24.629850] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP270
[23:50:24.629856] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP280
[23:50:24.629861] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP495
[23:50:24.629867] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5100
[23:50:24.629873] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5200
[23:50:24.629879] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6100
[23:50:24.629885] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG2100
[23:50:24.629891] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG3100
[23:50:24.629897] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG4100
[23:50:24.629903] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5300
[23:50:24.629908] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6200
[23:50:24.629914] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP493
[23:50:24.629920] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E500
[23:50:24.629926] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX370
[23:50:24.629932] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX430
[23:50:24.629937] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX510
[23:50:24.629943] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX710
[23:50:24.629949] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX890
[23:50:24.629955] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E600
[23:50:24.629960] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG4200
[23:50:24.629966] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E510
[23:50:24.629972] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E610
[23:50:24.629978] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP230
[23:50:24.629984] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG2200
[23:50:24.629990] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG3200
[23:50:24.629996] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5400
[23:50:24.630002] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6300
[23:50:24.630007] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX390
[23:50:24.630013] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX450
[23:50:24.630019] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX520
[23:50:24.630025] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX720
[23:50:24.630031] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX920
[23:50:24.630037] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG2400
[23:50:24.630042] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG2500
[23:50:24.630048] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG3500
[23:50:24.630054] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5500
[23:50:24.630060] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6400
[23:50:24.630066] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6500
[23:50:24.630072] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG7100
[23:50:24.630077] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX470
[23:50:24.630083] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX530
[23:50:24.630089] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB5000
[23:50:24.630095] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB5300
[23:50:24.630101] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB2000
[23:50:24.630107] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB2100
[23:50:24.630112] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB2300
[23:50:24.630118] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB2700
[23:50:24.630124] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E400
[23:50:24.630130] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E560
[23:50:24.630136] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG7500
[23:50:24.630142] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6600
[23:50:24.630148] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5600
[23:50:24.630153] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG2900
[23:50:24.630159] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E460
[23:50:24.630165] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MX490
[23:50:24.630171] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E480
[23:50:24.630176] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG3600
[23:50:24.630182] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG7700
[23:50:24.630188] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6900
[23:50:24.630194] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG6800
[23:50:24.630200] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG5700
[23:50:24.630206] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G3000
[23:50:24.630212] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G2000
[23:50:24.630217] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS9000
[23:50:24.630223] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8000
[23:50:24.630229] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6000
[23:50:24.630235] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS5000
[23:50:24.630241] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG3000
[23:50:24.630246] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E470
[23:50:24.630252] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E410
[23:50:24.630259] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G4000
[23:50:24.630264] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6100
[23:50:24.630270] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS5100
[23:50:24.630276] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS3100
[23:50:24.630282] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E3100
[23:50:24.630288] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB5400
[23:50:24.630294] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MB5100
[23:50:24.630299] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS9100
[23:50:24.630305] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR8500
[23:50:24.630311] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR7500
[23:50:24.630317] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS9500
[23:50:24.630323] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
LIDE400
[23:50:24.630329] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
LIDE300
[23:50:24.630334] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8100
[23:50:24.630340] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G2010
[23:50:24.630346] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G3010
[23:50:24.630352] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G4010
[23:50:24.630358] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS9180
[23:50:24.630364] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8180
[23:50:24.630369] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6180
[23:50:24.630375] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR8580
[23:50:24.630381] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8130
[23:50:24.630387] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6130
[23:50:24.630393] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR8530
[23:50:24.630399] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR7530
[23:50:24.630404] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
XK50
[23:50:24.630410] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
XK70
[23:50:24.630416] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR4500
[23:50:24.630422] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E4200
[23:50:24.630428] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6200
[23:50:24.630433] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6280
[23:50:24.630439] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6230
[23:50:24.630445] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8200
[23:50:24.630451] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8280
[23:50:24.630457] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8230
[23:50:24.630462] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS9580
[23:50:24.630468] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR9530
[23:50:24.630474] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G7000
[23:50:24.630480] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G6000
[23:50:24.630486] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G6080
[23:50:24.630492] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
GM4000
[23:50:24.630497] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
XK80
[23:50:24.630503] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS5300
[23:50:24.630509] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS5380
[23:50:24.630515] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6300
[23:50:24.630521] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6380
[23:50:24.630526] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS7330
[23:50:24.630532] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8380
[23:50:24.630538] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8330
[23:50:24.630544] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
XK60
[23:50:24.630550] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6330
[23:50:24.630556] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS3300
[23:50:24.630561] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E3300
[23:50:24.630567] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS3400
[23:50:24.630573] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
E3400
[23:50:24.630579] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR7000
[23:50:24.630585] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G2020
[23:50:24.630591] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G3060
[23:50:24.630597] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G2060
[23:50:24.630603] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G3020
[23:50:24.630608] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS7430
[23:50:24.630614] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
XK90
[23:50:24.630620] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS8430
[23:50:24.630626] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR7600
[23:50:24.630632] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR8600
[23:50:24.630638] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TR8630
[23:50:24.630643] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS6400
[23:50:24.630649] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
TS7400
[23:50:24.630655] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
G7080
[23:50:24.630661] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
GM4080
[23:50:24.630667] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP750
[23:50:24.630673] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP760/770
[23:50:24.630679] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP780/790
[23:50:24.630685] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP5
[23:50:24.630691] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP10
[23:50:24.630697] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP360
[23:50:24.630703] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP370
[23:50:24.630709] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP375R
[23:50:24.630714] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP390
[23:50:24.630721] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP700
[23:50:24.630727] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP710
[23:50:24.630732] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP730
[23:50:24.630738] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP740
[23:50:24.630744] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5730
[23:50:24.630750] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5750
[23:50:24.630756] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5770
[23:50:24.630762] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF3110
[23:50:24.630768] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
iR1020
[23:50:24.630773] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP800
[23:50:24.630779] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP800R
[23:50:24.630785] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP830
[23:50:24.630791] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP810
[23:50:24.630797] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP960
[23:50:24.630803] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP970
[23:50:24.630809] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
8800F
[23:50:24.630815] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP980
[23:50:24.630821] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MP990
[23:50:24.630827] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
9000F
[23:50:24.630833] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG8100
[23:50:24.630838] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MG8200
[23:50:24.630844] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
9000FMarkII
[23:50:24.630850] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4270
[23:50:24.630856] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4100
[23:50:24.630862] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4690
[23:50:24.630868] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
D420
[23:50:24.630874] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
D480
[23:50:24.630880] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4360
[23:50:24.630886] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4320
[23:50:24.630892] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4010
[23:50:24.630897] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF3240
[23:50:24.630903] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF6500
[23:50:24.630909] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4410
[23:50:24.630915] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
D550
[23:50:24.630921] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4500
[23:50:24.630927] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF3010
[23:50:24.630932] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4700
[23:50:24.630938] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4800
[23:50:24.630944] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF4570dw
[23:50:24.630950] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF8200C
[23:50:24.630956] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF8300
[23:50:24.630962] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
D530
[23:50:24.630968] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5630
[23:50:24.630974] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5650
[23:50:24.630979] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF8170c
[23:50:24.630985] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF8030
[23:50:24.630991] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5880
[23:50:24.630997] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF6680
[23:50:24.631003] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
iR1133
[23:50:24.631009] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF5900
[23:50:24.631014] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF8500C
[23:50:24.631020] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF6100
[23:50:24.631026] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF810/820
[23:50:24.631032] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF220
[23:50:24.631037] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF210
[23:50:24.631043] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF620
[23:50:24.631049] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF720
[23:50:24.631055] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF410
[23:50:24.631061] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF510
[23:50:24.631066] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF230
[23:50:24.631072] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF240
[23:50:24.631078] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF630
[23:50:24.631083] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF730
[23:50:24.631089] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF731
[23:50:24.631095] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF633C/635C
[23:50:24.631101] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF632C/634C
[23:50:24.631107] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF731C/733C
[23:50:24.631113] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
D570
[23:50:24.631119] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
MF110
[23:50:24.631124] [bjnp] lookup_scanner: Checking for Canon MF110/910 Series in 
Canon MF110/910 Series
[23:50:24.631130] [bjnp] lookup_scanner: Scanner model found: Name Canon 
MF110/910 Series(Canon i-SENSYS MF113w) matches Canon MF110/910 Series
[23:50:24.631137] [bjnp] add_scanner: New scanner added: 
mfnp://192.168.128.30:8610/timeout=10000, serial 192.168.128.30, mac address: 
c4ac59aafd5b.
[23:50:24.631146] [bjnp] sanei_bjnp_find_devices: Select returned, time left 
0.499998....
[23:50:24.631154] [bjnp] sanei_find_devices: Discover response:
[23:50:24.631160] [bjnp]  00000000:4d 46 4e 50 82 01 00 00  00 00 00 00 00 00 00 10 [23:50:24.631166] [bjnp]  00000010:00 01 08 00 06 04 c4 ac  59 aa fd 5b c0 a8 80 1e [23:50:24.636638] [bjnp] get_scanner_name: Name for 192.168.128.30 not found : Name or service not known
[23:50:24.636653] [bjnp] 
bjnp_allocate_device(mfnp://192.168.128.30:8610/timeout=10000) 1
[23:50:24.642054] [bjnp] get_scanner_name: Name for 192.168.128.30 not found : 
Name or service not known
[23:50:24.642077] [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 
192.168.128.30  port 8610
[23:50:24.644112] [bjnp] bjnp_get_scanner_mac_address: Discover response:
[23:50:24.644132] [bjnp]  00000000:4d 46 4e 50 82 01 00 00  00 00 00 00 00 00 00 10 [23:50:24.644139] [bjnp]  00000010:00 01 08 00 06 04 c4 ac  59 aa fd 5b c0 a8 80 1e [23:50:24.644146] [bjnp] add_scanner: Scanner at mfnp://192.168.128.30:8610/timeout=10000 was added before, good!
[23:50:25.144494] [bjnp] sanei_find_devices: scanner discovery finished...
device `pixma:Canon MF110/910 Series_192.168.128.30' is a CANON Canon i-SENSYS 
MF113w multi-function peripheral
device `escl:https://192.168.128.30:443' is a Canon MF110/910 platen scanner

Executing:

scanimage -d 'pixma:Canon MF110/910 Series_192.168.128.30' -o ~/tmp/test2.jpeg

I get a strange image: https://disk.yandex.ru/i/HdP2ONJfn4HcwQ

But executing:

scanimage -d escl:https://192.168.128.30:443 -o ~/tmp/test.jpeg

I get a normal picture! But Skanlite does not see any device.


1. How can I help improve support for this MFP?
2. How to run tests from testsuite dir? I'm not a C-coder, so please explain it 
more simply.
3. Is there any documentation for developers?

--
Mekras

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