Oki B4545 MFP - Manual (Page 135)

Maintenance
136
Cleaning
Cleaning the scanner’s reading devices
When one or more vertical lines appear on transmitted copies or faxes,
follow these steps :
Cleaning the printer
Dust, dirt and paper debris on the outer surfaces and inside the printer
can interfere with printer performance. Clean the printer regularly.
Caution -
Use a soft cloth to clean the printer. Never use abrasive or corrosive
detergents.
The fusing unit can become very hot during operation. To avoid injury - do not
touch.
Wait for at least 10 minutes after the printer has been turned off and make sure
that the fusing unit has cooled before cleaning the interior of the printer.
+
Open the scanner cover by
pushing it backwards until
held vertically in position.
+
Clean the two transparent
scanning windows with a
soft, lint-free cloth,
dampened with alcohol.
+
Close the scanner cover.
+
Make a copy to check that
the symptoms have been
cleared.