10-12
Troubleshooting > Troubleshooting
Printed Image Trouble
When the following printed image trouble occurs, implement appropriate procedures.
Symptom Checkpoints Corrective Actions
Reference 
Page
Printed images are totally 
too light. 
Is the paper damp? Replace the paper with new paper. page 3-2
Have you changed the density? Select appropriate density level. page 6-11
page 8-41
Is the toner distributed evenly within the 
toner container?
Shake the toner container from side to 
side several times.
page 10-5
Is EcoPrint mode enabled? Disable [EcoPrint] mode. page 8-16
― Run [Calibration]. page 10-34
― Run [Drum Refresh]. page 10-34
― Run [Laser Scanner Cleaning]. page 10-34
― Select the [System Menu/Counter] key 
> [Adjustment/Maintenance] > 
[Service Setting] > [DEV-CLN], and 
then select [OK].
―
White background parts of 
the image appear to have a 
slight overall coloration. 
Have you changed the density? Select appropriate density level. page 6-11
page 8-41
― Run [Calibration]. page 10-34
― Run [Drum Refresh] page 10-34
― Select the [System Menu/Counter] key 
> [Adjustment/Maintenance] > 
[Service Setting] > [MC] and increase 
the adjustment value. Increase the 
adjustment value 1 level at a time from 
the current value. If there is no 
improvement after the value is 
increased by 1 level, increase by 1 level 
again. If there is still no improvement, 
return the setting to the original value.
―
Copies have a moire pattern 
(dots grouped together in 
patterns and not aligned 
uniformly). 
Is the original a printed photograph? Set the original image to [Photo]. page 6-19
― When making copies
Set [
Sharpness
] to a value from [
-1
] to [
-3
].
page 6-22
― When making copies
Select the [System Menu/Counter] key 
> [Copy] > [DP Read Action] or [Platen 
Scan Act.], and set to [Quality 
Priority].
page 8-20
page 8-20
Texts are not clearly printed.  Did you choose appropriate image 
quality for the original?
Select appropriate image quality. page 6-19
― When making copies
Set [Sharpness] to a value from [+1] to 
[+3].
page 6-22