This seemed to go off OK but now I cannot print from my usb printer. I
get 'Cannot open /dev/usb/lp0 -No such file or directory'
My scanner, also usb, does work.
lsusb does not show the printer, even after rebooting.
Googling shows some peopls with similar errors but nothing helpful. I
suspect udev may be at fault but not sure how to fix it. Any
suggestions?
--
Anthony Campbell - a...@acampbell.org.uk
Microsoft-free zone - Using Debian GNU/Linux
http://www.acampbell.org.uk - sample my ebooks
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To recover your /dev/*
MAKEDEV generic
Greetings
Maderios
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> I recently did a big upgrade on Sid after a year.
>
> This seemed to go off OK but now I cannot print from my usb printer. I
> get 'Cannot open /dev/usb/lp0 -No such file or directory'
>
> My scanner, also usb, does work.
>
> lsusb does not show the printer, even after rebooting.
>
> Googling shows some peopls with similar errors but nothing helpful. I
> suspect udev may be at fault but not sure how to fix it. Any
> suggestions?
USB is now managed automagically by udev so most sure your printer is now
located "somewhere beyond the see" :-)
Try by re-plugging the printer and check for dmesg messages. If you are
using CUPS, let it to auto-discover the printer's location.
Greetings,
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Camaleón
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Thanks to both for replies. The printer is now being detected according
to dmesg but I can't see where it is attached. (I am not usiing CUPS and
would only do so as a last resort!
The relevant portion of dmesg is:
2925.412931] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 2925.412936] usb 1-2: Product: Samsung ML-2570 Series
[ 2925.412941] usb 1-2: Manufacturer: Samsung
[ 2925.412945] usb 1-2: SerialNumber: 3W37BKAQ610114P
[ 2925.891211] usblp0: USB Bidirectional printer dev 8 if 0 alt 0 proto 2 vid 0x04E8 pid 0x327C
[ 2925.891229] usbcore: registered new interface driver usblp
So it's there soewhere, but where?
Anthony
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Anthony Campbell - a...@acampbell.org.uk
Microsoft-free zone - Using Debian GNU/Linux
http://www.acampbell.org.uk - sample my ebooks
at http://www.smashwords.com/profile/view/acampbell
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Sorry to follow up to myself, but I've now found that the printer is, in
fact, at /dev/usb/lp0, which it should be; but the permissions seem to
be wrong because although I can cat files to that address as root and
they are printed, I can't print as user.
Once more apologies, but I fixed things in the end by reinstalling
lprng. I suppose it had got corrupted recently.
Thanks again Maderios and Camaleon.