Hello,
I'm having problems printing from HP's rlpdaemon to LPRng-3.7.9.
The issue is that a user has batched up three files to send all at
once (the two extra files are "wrapped around" the actual data file
to be printed and contain HP LaserJet control codes), but the actual
data file to be sent is zero bytes in size.
The result? The printjob gets stuck in limbo between the HP box and
LPRng. I'm guessing that I'm in a gray area of the RFC, but I'm not
certain. What I would like to know is if this is something that I
should be pestering HP about, and see if I can get them to not "spool"
zero-length printjobs?
A few details:
Executing 'lpstat -ocompwork' on the HP-UX box returns (as the 1st 3 lines)
compwork-312 rcolby priority 0 Dec 6 12:12 on compwork
hpcps 46 bytes
diss.no 0 bytes
hpr 3 bytes
The way the HP-UX box bundles this printjob up is with 3 df files
and one cf file.
I have a tcpdump of the traffic exchange between the two servers,
and I can include it if anyone is interested, but the communication
essentially boils down to:
HP->LPRng: \001 compwrk_prn1\n (extra space added for legibility)
LPRng->HP: \000
HP->LPRng: \003 46 dA0312mesadm2\n (extra space added for legibility)
LPRng->HP: \000
HP->LPRng: send 46 bytes of data
LPRng->HP: \000
HP->LPRng: \000
LPRng->HP: \000
HP->LPRng: \003 0 dB0312mesadm2\n (extra space added for legibility)
LPRng->HP: \000
HP->LPRng: \000
Then nothing more happens. I think the HP is expecting an "ack" from
LPRng at this point, but LPRng is still looking for a data file....
Thanks!
- Dan
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