General Problems - Sharp AM-400 Online Manual

Problems and Solutions

General problems

Problem
Nothing appears in the
display.
The machine does not
respond when you press
any of its keys.
Automatic document
feeding does not work .
Dots appear at regular
intervals on printed output.
The machine makes an
abnormal grating sound
when the power cord is
plugged in.
144
• Make sure the power cord is properly plugged into a
power outlet.
• Connect another electrical appliance to the outlet to
see if it has power.
• If a beep sound is not made when you press the keys,
unplug the power cord, wait at least 5 seconds, and
then plug it in again.
• Check the size and weight of the document (see page
62).
• The drum cartridge may be damaged. Replace the
drum cartridge.
• Unplug the power cord immediately and make sure
that the scanner lock has been released (see page
13).
Solution