Bug#1004734: "usblp0: removed" when printing via USB on Canon LBP-810

[Yvan Masson]

Package: cups
X-Debbugs-Cc: yv...@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


-- System Information:
Debian Release: bookworm/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.15.0-3-amd64 (SMP w/4 CPU threads)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE
not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages cups depends on:
ii cups-client 2.3.3op2-7
ii cups-common 2.3.3op2-7
ii cups-core-drivers 2.3.3op2-7
ii cups-daemon 2.3.3op2-7
ii cups-filters 1.28.11-2
ii cups-ppdc 2.3.3op2-7
ii cups-server-common 2.3.3op2-7
ii debconf [debconf-2.0] 1.5.79
ii ghostscript 9.55.0~dfsg-3
ii libavahi-client3 0.8-5
ii libavahi-common3 0.8-5
ii libc6 2.33-5
ii libcups2 2.3.3op2-7
ii libgcc-s1 11.2.0-14
ii libstdc++6 11.2.0-14
ii libusb-1.0-0 2:1.0.24-3
ii poppler-utils 20.09.0-3.1
ii procps 2:3.3.17-6

Versions of packages cups recommends:
ii avahi-daemon 0.8-5
ii colord 1.4.5-3

Versions of packages cups suggests:
ii cups-bsd 2.3.3op2-7
ii foomatic-db-compressed-ppds [foomatic-db] 20210824-1
ii printer-driver-cups-pdf [cups-pdf] 3.0.1-13
ii smbclient 2:4.13.14+dfsg-1+b1
ii udev 250.3-2

-- debconf information:
cupsys/raw-print: true
cupsys/backend: lpd, socket, usb, snmp, dnssd

[Yvan Masson]

Hi,

I said in my initial bug report that the printer was working using
parallel port but I was wrong, sorry: I have been told that it was
working but I just tested and it is not.

What is stranged is that it worked "once" with USB connection, first
time I tried.

I also just tested the printer with a Windows computer (Windows 7 is the
last supported version), and it works perfectly, both with USB and
parallel port.

Regards,
Yvan

[Brian Potkin]

tags 1004734 moreinfo
thanks

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.

[Yvan Masson]

Hi Brian,

> I may have recommended looking at
>
> https://wiki.debian.org/CUPSDebugging#usb
>
> but you seem to have tried something similar.

Indeed, but the reading is interesting!

> What driver (PPD) are you using and are you now printing?
>

Unfortunately it is a customer’s printer, so I do not have at hand.
Currently, the customer prints from a dedicated Windows 7 virtual
machine. I could not find a way to make it work with Linux.

I can not give you exactly the PPD that I tried, but it is the one
provided by default when setting up the printer with GUI software
"system-config-printer". If needed, tell me and I will contact the
customer and go to his house to set up the printer again to obtain the PPD.

Regards,
Yvan

[Yvan Masson]

Indeed, fixing this issue is not worth the effort, if possible at all.
Thanks for the explanations about USB, and for the time studying this issue.

Regards,
Yvan