Troubleshooting 
10-3
10
— Run [MC] and decrease the 
adjustment value. Decrease the 
adjustment value 1 level at a time 
from the current value. If there is 
no improvement after the value is 
decreased by 1 level, decrease by 
1 level again. If there is still no 
improvement, return the setting to 
the original value.
8-115
Printouts are too dark. Is the machine in Auto 
Density mode?
Select the correct density level for 
auto density.
—
Is the machine in Manual 
Density mode?
Select the correct density level. 5-16
— Conduct color calibration using the 
operation panel.
8-104
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]. 5-15
Printouts are not 
clear.
Did you choose appropriate 
image quality for the original?
Select appropriate image quality. 5-15
Printouts are dirty. Is the platen or the document 
processor dirty?
Clean the platen or the document 
processor.
—
Printouts are fuzzy. Is the machine being used in 
very humid conditions?
Use in a location that has suitable 
humidity.
—
Images are skewed. Are the originals placed 
correctly?
When placing originals on the 
platen, align them with the original 
size indicator plates.
2-44
When placing originals in the 
document processor, align the 
original width guides securely 
before placing the originals.
2-45
Is the paper loaded 
correctly?
Check the position of the paper 
width guides.
2-45
Paper often jams. Is the paper loaded 
correctly?
Load the paper correctly. 2-26
Is the paper of the supported 
type? Is it in good condition?
Remove the paper, turn it over, and 
reload it.
2-26
Symptom Checkpoints Corrective Actions
Reference 
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