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Troubleshooting > Solving Malfunctions
Solving Malfunctions
The table below provides general guidelines for problem solving.
If a problem occurs with your machine, look into the checkpoints and perform procedures indicated on the following
pages. If the problem persists, contact your Service Representative.
Symptom Checkpoints Corrective Actions Reference
Page
The operation panel does not
respond when the main
power switch is turned on.
Pressing the Start key does
not produce printouts.
Is the machine plugged in? Plug the power cord into an AC outlet. 2-11
Is there a message on the touch
panel?
10-8
Determine appropriate response to the
message and respond accordingly.
Is the machine in Sleep mode? Press the Power key to recover the
machine from Sleep mode. The
machine will be ready to copy within 23
seconds.
Blank sheets are ejected. Are the originals loaded correctly? When placing originals on the platen,
place them face-down and align them
with the original size indicator plates.
When placing originals in the
document processor, place them faceup.
— Check that the application software is
correctly operated.
Printouts are too light. Is the paper damp? Replace the paper with new paper. 3-2
If you experience frequent problems,
turn the cassette heater switch on.
10-13
2-21
Have you changed the density? Select appropriate density level. 3-50
9-25
Is the toner distributed evenly within
the toner container?
Is there a message indicating the
addition of toner?
Shake the toner container from side to
side about several times.
3-7
3-9
—
2-4
10-2
Replace the toner container. 10-2
Is EcoPrint mode enabled? Disable EcoPrint mode. 4-15
— Press the System Menu/Counter key,
[Adjustment/Maintenance], [Service
Setting], [DEV-CLN], and then press
[Start].
— Run [Laser Scanner Cleaning]. 9-26
— Make sure the paper type setting is
correct the paper being used.
Printouts are too dark. Have you changed the density? Select appropriate density level. 3-50
9-25
The background density is
obtrusive.
Printouts have a moire
pattern (dots grouped
together in patterns and not
aligned uniformly).
— Run [Background Density Adjustment]. 3-54
9-25
Is the original a printed photograph? Set the image quality to [Photo]. 3-52
—
9-8