Stains on the face
of pages
1. Transfer roller is soiled.
2. The fixing and pressure roller is
soiled.
1. Clean or replace the transfer
roller.
2. Clean fixing and pressure roller,
or replace fixing unit.
Stains on the back
of pages
1. Transfer roller has been smudged.
2. Fixing and pressure roller has been
smudged.
1. Clean or replace transfer roller.
2. Clean fixing and pressure roller,
or change fixing unit.
1. Malfunction of OPC discharge.
2. LSU is damaged.
1. Clean the high voltage terminal or
replace engine board. If the
problem is still not resolved,
replace print cartridge.
2. Replace the LSU.