STEP 1: If your Canon IMAGECLASS LBP621CW printer did not start or irresponsible, do not panic or do not go on for servicing. Simply, plug out and plug in the power cord of your Canon LBP621CW printer. Switch on your Canon printer again.
STEP 2: If your IMAGECLASS LBP621CW printer is not able to connect to your computer, please remove the USB cable and reconnect it. Also, if your Canon IMAGECLASS LBP621CW printer is not displayed in the printer list of your computer, go to printers and faxes in your computer’s control panel. Then, click on add printer and add your Canon IMAGECLASS LBP621CW printer to the printer list and start printing.
STEP 3: To enjoy quality printing, always download and install the latest Canon IMAGECLASS LBP621CW printer software. If you have downloaded the Canon LBP621CW printer software using the software CD provided along with your Canon LBP621CW printer, always update the software. Updating your Canon printer software will make you enjoy the new advanced printing features for your Canon IMAGECLASS LBP621CW printer.
STEP 4: If your Canon IMAGECLASS LBP621CW driver printer is unable to take papers for print, stop the printing job. Take away the papers in the input tray and arrange them properly. Make sure that the papers are not torn or damaged. While reinstalling the papers, be careful that you do not tighten the edge guides too tightly.
STEP 5: If you find your Canon IMAGECLASS LBP621CW printer not printing properly, it may be the toner cartridge issue. So, Lift the upper panel of your IMAGECLASS LBP621CW printer and place it in its position. Power off your Canon LBP621CW printer. Open the black coloured toner cartridge cover and take away the toner cartridge from the Canon IMAGECLASS LBP621CW printer. Reinstall the toner cartridge back in the holder correctly.
STEP 6: To get rid of any of the problems with your Canon IMAGECLASS LBP621CW printer, you can get help from the Canon printer support.