Ubuntu
cups package

CUPS does not recognize my printer

Asked by Michael Kanthal

I have a Canon Pixma MP610 printer/scanner which DID work w.my Ubuntu Linux 10.04 till recently. Now, the Printer Status says: "Canon MP610 may not be connected", but it IS connected.
On the printer status page, the operative line seems to be the Printer Status Message: /usr/lib/cups/backend/usb failed

I would appreciate any and all help.

FYI, I am NOT a techie!

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actionparsnip (andrew-woodhead666) said : 		#1

Boot with the printer detached, log in and let the OS settle then connect the printer. Wait a few seconds then try using the device. Does this help?

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Michael Kanthal (mak120847) said : 		#2

Thanks for the quick reply!

Two things: one, for WHATEVER reason, it has worked the last 5 minutes, I don't think that I did anything to cause this, which causes ME concern!
Two, when you say "boot" I assume that to mean turn on the PC, correct? (I said I was not a techie...). And then "let the OS settle", do you mean to just leave the PC 'alone' and not do anything for a few mins?? And then plug in the printer's USB cable and try it?
I know w/my webcam I have to do that to get it to work, though it beats the heck out of me as to WHY that should be the case!
Anyway, I will use your advice the next time I start my PC, but I really don't understand why Linux has these idiosyncrasies after have been 'around' for quite some time.
But, again, many thanks!

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actionparsnip (andrew-woodhead666) said : 		#3

"boot" = power off / on or reboot
"let the OS settle" = let all the startup apps run etc, so that the OS is ready to go.

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Michael Kanthal (mak120847) said : 		#4

I had no success at all w/any CUPS-related fixes, nor any re-booting.
However, I DID download some 'gutenprint' software for the Canon MP600 and that SEEMS to have resolved my printer 'invisibility' issue.
Thank you for all your effort and time.

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