Panasonic 4520 - Manual (Page 83)

83
Problem Solving
Check Action
Marked Copies
Clean the Platen Glass or Sheet.
(See below) Is the copier Platen Glass or Platen Sheet
dirty?
Cover the original with a sheet of white paper
before copying or lighten the exposure setting.
Is the original an OHP film or a dark original?
■ If the measures outlined above do not solve the problem, call your Service provider.
Copier Care
■
As a rule, clean weekly.
Platen Sheet
Platen (Glass)
Platen Glass/Platen Sheet
Wipe marks off with a cloth and a neutral detergent.
Wipe again with a dry cloth.