C7350/7550 User’s Guide: Troubleshooting • 535
Printer does not go online
Printer makes a strange noise
Possible cause Remedy
Bad connection Turn off the printer. Disconnect the power
cable. Reconnect power cable. Turn on the
printer.
If this does not clear the fault, call for service.
Possible cause Remedy
The printer is not
horizontal.
Place the printer on a stable, level surface.
There are scraps of
paper or other foreign
matter inside the
printer.
Check the inside of the printer and remove any
such objects.
The top cover is not
firmly shut.
Press the left and right sides of the top cover.