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On Tue 01 Feb 2022 at 13:30:58 +0100, Yvan Masson wrote: > Package: cups > X-Debbugs-Cc: y...@masson-informatique.fr > Version: 2.3.3op2-7 > Severity: normal > > Dear Maintainers, > > I tried to print on an old Canon LBP-810 with Debian testing, connected via > USB. This printer is known to be working with parallel port. > > The printer is properly detected: > > févr. 01 12:05:29 e7440 kernel: usb 2-2: new full-speed USB device number 5 > using xhci_hcd > févr. 01 12:05:29 e7440 kernel: usb 2-2: New USB device found, > idVendor=04a9, idProduct=260a, bcdDevice= 1.00 > févr. 01 12:05:29 e7440 kernel: usb 2-2: New USB device strings: Mfr=1, > Product=2, SerialNumber=3 > févr. 01 12:05:29 e7440 kernel: usb 2-2: Product: Canon CAPT USB Printer > févr. 01 12:05:29 e7440 kernel: usb 2-2: Manufacturer: Canon > févr. 01 12:05:29 e7440 kernel: usb 2-2: SerialNumber: 541868YO > févr. 01 12:05:29 e7440 kernel: usblp 2-2:1.0: usblp0: USB Bidirectional > printer dev 5 if 0 alt 0 proto 2 vid 0x04A9 pid 0x260A > > It is then properly added to the CUPS system, but when I try to print > something, the following appears in kernel logs: > > févr. 01 12:05:34 e7440 kernel: usblp0: removed > févr. 01 12:05:34 e7440 kernel: usblp 2-2:1.0: usblp0: USB Bidirectional > printer dev 5 if 0 alt 0 proto 2 vid 0x04A9 pid 0x260A > févr. 01 12:05:35 e7440 kernel: usblp0: removed > > And the printer does not print. > > I already tried settings CUPS options "usb-unidir-default" and > "usb-no-reattach-default", as suggested in [1], without luck. > > Please apologize if this issue does not belong to cups. > > Regards, > Yvan > > 1. https://bugzilla.redhat.com/show_bug.cgi?id=873123 Thank you for your report, Yvan. I may have recommended looking at https://wiki.debian.org/CUPSDebugging#usb but you seem to have tried something similar. What driver (PPD) are you using and are you now printing? Regards, Brian.
