Rolf, I don't have an XP machine up and running at the moment. I may have one in a while, but not sure when.
I believe the problem occurs via both USB and network, so could this be debugged by sniffing network traffic instead (and preferably using a different OS than XP). --- Henry Ptasinski henry at logout.com On 12/07/2012 10:57 AM, Rolf Bensch wrote: > Hi Henry, > > The backend has an ADF paper empty bug. You can try to debug this issue, > if you like. > > The first step could be to sniff the complete usb protocol from a 5mm x > 5mm ADF scan on a windows machine with usbsnoop > (http://benoit.papillault.free.fr/usbsnoop/). This program is old and > runs with xp only, but we have a parser for the log files (spike4.pl). > > Cheers, > Rolf > > > Am 05.12.2012 00:57, schrieb Henry Ptasinski: >> Rolf, >> >> The ADF partially works. I've been able to get simplex scans >> occasionally. Duplex scans so far have only yielded the front page, and >> some errors such as: >> >> ... >> [pixma] bjnp_write_bulk(0, bufferptr, 0x10 = 16) >> [pixma] bjnp_set_timeout to 20000 >> [pixma] bjnp_read_bulk(0, bufferptr, 0x200 = 512) >> [pixma] bjnp_set_timeout to 20000 >> [pixma] bjnp_write_bulk(0, bufferptr, 0x10 = 16) >> [pixma] bjnp_set_timeout to 20000 >> [pixma] bjnp_read_bulk(0, bufferptr, 0x200 = 512) >> [pixma] bjnp_set_timeout to 20000 >> [pixma] bjnp_write_bulk(0, bufferptr, 0x10 = 16) >> [pixma] bjnp_set_timeout to 20000 >> [pixma] bjnp_read_bulk(0, bufferptr, 0x200 = 512) >> [pixma] bjnp_set_timeout to 20000 >> [pixma] bjnp_write_bulk(0, bufferptr, 0x10 = 16) >> [pixma] bjnp_set_timeout to 20000 >> [pixma] bjnp_read_bulk(0, bufferptr, 0x200 = 512) >> [pixma] WARNING:image size mismatches >> [pixma] 1678578 expected (877 lines) but 1556082 received (813 lines) >> [pixma] pixma_read_image(): completed (underrun detected) >> [pixma] sanei_bjnp_deactivate (0) >> [pixma] Reader task terminated >> [pixma] pixma_close(): Canon PIXMA MX890 Series >> [pixma] sanei_bjnp_close(0): >> [pixma] sanei_bjnp_deactivate (0) >> >> >> When this happens, the display on the printer continues to say "Scanning >> document", and I'm not able to cancel out of the scan. >> >> My recent tests were via network. I'll attach the scanner via USB and >> try to collect some debug info. >> >> --- >> Henry Ptasinski >> henry at logout.com >> >>
