2756. TroubleshootingPrinting problemsCondition Possible cause Suggested solutionsThe machine does notprint.The machine is not receiving power. Connect the machine to the electricity supply first. If the machine has a (Power)button on the control, press it.The machine is not selected as the defaultmachine.Select your machine as your default machine in Windows.Check the machine for the following:• The cover is not closed. Close the cover.• Paper is jammed. Clear the paper jam (see "Clearing paper jams" on page 91).• No paper is loaded. Load paper (see "Loading paper in the tray" on page 43).• The toner cartridge is not installed. Install the toner cartridge (see "Replacing the toner cartridge" on page 75).• Make sure the protect cover and sheets are removed from the toner cartridge (see "Replacing the toner cartridge" on page 75).If a system error occurs, contact your service representative.The connection cable between the computer andthe machine is not connected properly.Disconnect the machine cable and reconnect it (see "Rear view" on page 23).The connection cable between the computer andthe machine is defective.If possible, attach the cable to another computer that is working properly and print a job.You can also try using a different machine cable.The port setting is incorrect. Check the Windows printer settings to make sure that the print job is sent to the correctport. If the computer has more than one port, make sure that the machine is attached tothe correct one.