Bug#1004734: "usblp0: removed" when printing via USB on Canon LBP-810
tags 1004734 moreinfo
thanks
On Tue 01 Feb 2022 at 13:30:58 +0100, Yvan Masson wrote:
> Package: cups
> X-Debbugs-Cc: yvan@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.
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