Printer Troubleshooting

If you are having trouble getting your Canon printer to print properly or even turn on at all you don't have to immediately resort to returning it or taking it to an electronics repair facility. There are several different troubleshooting steps you can follow on your own and in conjunction with Canon's printing software to get your printer back in operating condition quickly. Instructions See if your Canon printer has its indicator lights flashing in a specific pattern and then consult your manual to see if there is a corresponding error code. Follow the instructions in the manual for how to fix the associated problem, or continue on with more troubleshooting if it isn't displaying a specific error code.         Make sure the power cord is plugged into your wall outlet and the USB cable is firmly connected to your computer. Open the top of the printer and do a quick visual inspection to see if there is a piece of paper stuck in the paper feed....

After OS X 10.6.8 was released last Thursday, a number of people found that their printers were no longer printing, where the system would show the printers in a paused state and no print jobs would work. This problem seems to behave differently for different setups, but overall appears to be a bug with how CUPS handles its backend processes. The back end in the CUPS system is the interface for various transmission protocols for both networking and direct connections to the printer. While some people may benefit from the aforementioned fixes of running general maintenance, resetting the print system, and reapplying the latest "Combo" updater, it appears a true workaround until Apple addresses the problem is to replace the transmission protocol file you are using with the one from OS X 10.6.7. In order to do this, you will need your Time Machine backups or another Mac running OS X 10.6.7 and then run the following procedure: Use the Finder's "Go ...