10-11
Troubleshooting > Solving Malfunctions
Printouts are too light. Is the paper damp? Replace the paper with new paper. 3-2
Have you changed the density? Select appropriate density level. 3-45, 9-23
Is the toner distributed evenly within
the toner container?
Shake the toner container from side to
side about several times.
10-2
Is there a message indicating the
addition of toner?
Replace the toner container. 10-2
Is EcoPrint mode enabled? Disable EcoPrint mode. 4-13
— Run [Drum Refresh]. 9-24
— Make sure the media type setting is
correct the paper being used.
9-7
Printouts are too dark. Have you adjusted the density? Select appropriate density level. 3-45, 9-23
Run [Drum Refresh]. 9-24
The background density is
obtrusive.
—
Carry out [Background Density
Adjustment].
3-49
Dirt on the print side of the
paper.
Is the platen or the document
processor dirty?
Clean the platen or the document
processor.
10-7
Dirt on the top edge or back
of the paper.
Is the interior of the machine dirty? Clean the interior of the machine. 10-8
Printouts are fuzzy. Is the machine being used in very
humid conditions?
Use in an environment that has
suitable humidity.
1-3
— Run [Drum Refresh]. 9-24
Part of the image is
periodically faint or shows
white lines.
Have the developer unit been loaded
properly?
Load the developer unit properly. —
— Open and then close the rear cover. —
— Run [Drum Refresh]. 9-24
Copies have a moire pattern
(dots grouped together in
patterns and not aligned
uniformly).
Is the original a printed photograph? Set the image quality to [Photo]. 3-47
Printouts are not clear. Did you choose appropriate image
quality for the original?
Select appropriate image quality. 3-47
Symptom Checkpoints Corrective Actions Reference
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