Comment 25 for bug 902535
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| MrLeek (mrleek) wrote Re: Unable to print to Lexmark S405 since upgrade to 11.10 | #25 |
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0e1f616
(Get the code!)
I think I follow the gist of what you've typed....but there's a mass of information that I don't really understand, so you might need to pull out some key points. I mean I'm not even sure if you're say "yes, this is a bug" or "we've changed something so now your printer doesn't work....sorry"! :)
From the research I've done your comments that :
"The problem is most probably the change in the "usb" CUPS backend from switching over from the usblp kernel module to using libusb to communicate with USB printers."
seems to have cropped up on a number of occasions for a range of people. What's concerning for me as a new user (admittedly one with a reasonable level of understanding) is that these are the sort of problems that cannot appear if bug 1 is going to be fixed. The GUI even says that it's a bug and given that new users migrating from Windows could encounter such problems is a little concerning. Thinking as a "typical" Windows switcher, I plug in my printer, Unbuntu says "I can't do this - there's a bug" but then appears to add the printer just fine. From a novice viewpoint I've just "plugged it in", a weird message appears, but then my printer has been added - granted, there's drivers being added in the background, but novice users won't see it like that. They'll blame Ubuntu.
Since I know this printer can connect to an internal network I gave this a shot. I had to turn off the firewall since I couldn't even ping the printer (there's a few articles that should resolve that problem), but I was able to find the printer as a network option. Choosing that option gives me the exact same error message as that originally reported. Yet, this time I can print a test page - and I've managed to print a couple of other things off as well.
So I'm assuming that the usb changes to CUPS is now being bypassed...but I can't square that with the error message that says "it's a bug and you shouldn't be seeing this". All very confusing...