2M4/2M5/2M6/2M7-1
1-4-15
(11) Offset occurs.
(12) Fusing is loose.
(13) Faint or blurred printing
Print example Causes Check procedures/corrective measures
Deformed or worn cleaning
blade in the drum unit.
Replace the drum unit (see page 2-4-6,2-4-13).
Main charge voltage setting. The main charge voltage may be set too high. Try adjust-
ing the main charge voltage (see page 1-3-19).
Defective fuser unit. Replace the fuser unit (see page 1-5-17).
Wrong types of paper. Check if the paper meets specifications. Replace paper.
Print example Causes Check procedures/corrective measures
Wrong types of paper. Check if the paper meets specifications, replace paper.
Flawed heat roller or press
roller.
Replace the fuser unit (see page 1-5-17).
Defective pressure springs.
Print example Causes Check procedures/corrective measures
Wrong types of paper. Check if the paper meets specifications,
replace paper.
Drum condensation.
Perform the drum refresh (see page 1-3-19).
Defective transfer roller installation. The transfer roller must be supported by the
bushes at the both ends. Replace the transfer
roller if it is extremely dirty (see page 2-4-14).
Defective
transfer
bias output.
Defective high voltage PWB Replace the high voltage PWB
(see page 1-5-18).
Defective main PWB. Replace the main PWB (see page 1-5-18).