USB printer does not print or prints garbage ?

USB printer does not print or prints garbage ?

Steve07 Asked on March 15, 2019 in Printer.
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1 Answer(s)

There are some USB printers who do not work when the standard communication through the USB is applied. For this exception, rules need to get implemented in the USB backend of CUPS.

If your printer is connected via USB try the following steps to find out whether such exception rules could solve your problem:

Does your printer also allow to be connected via network? Or does your router have a USB port which can be used to make a network printer out of a USB printer? Try out these connection methods. If your printer works with them, continue with the following steps. Continue also with the following steps if you do not have possibilities to use your printer as a network printer. Otherwise, your printer has a problem which does not fall into this class.
Make sure your printer is connected via USB again. Run the following command in a terminal window
$ cancel -a
$ lpadmin -p <queue> -o USB-under-default=true
with <queue> being the print queue name of the printer with problems. Now your computer does purely uni-directional USB communication with your printer. Does printing work correctly now? Run
$ lpadmin -p <queue> -R USB-under-default
to remove this change.

$ cancel -a
$ lpadmin -p <queue> -o usb-no-reattach-default=true
to make the USB backend not re-attach the usblp kernel module after the communication with the printer. Does printing work correctly for you now? Undo this change via
$ lpadmin -p <queue> -R usb-no-reattach-default

If you are having any Kind of problems regarding your printer and have got stuck in resolving these issues then do not worry. Get connected with our Printer Customer Support Number +1 888 597 3962 and resolve all your issues instantly. We have an Expert and experienced team of technical professionals who can serve the best to provide you the best outcome for your queries.

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Toll-Free No – +1 888 597 3962

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Tech Support Engineer

Jack07 Answered on March 15, 2019.
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