Troubleshooting 
10-2
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.
Is the machine plugged in? Plug the power cord into an AC 
outlet.
—
Pressing the Start key 
does not produce 
copies.
Is there a message on the 
Message Display?
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 20 seconds.
2-9
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.
2-44
When placing originals in the 
document processor, place them 
face-up.
2-46
— Check that the application software 
is correctly operated.
—
Faint or blurred 
printing
Is the machine in Auto 
Density mode?
Set the correct density level for 
auto density.
—
Is the machine in Manual 
Density mode?
Select the correct density level. 5-16
Is the toner distributed evenly 
within the toner container?
Shake the toner container from 
side to side about several times.
9-4
Is there a message indicating 
the addition of toner?
Replace the toner container. 9-4
Is the paper damp? Replace the paper with new paper. 2-26
Is EcoPrint mode enabled? Disable EcoPrint mode. 4-10
— Make sure the paper type setting is 
correct the paper being used.
8-13
8-15
— Conduct color calibration either by 
switching the machine off then on 
or using the operation panel.
8-103
— Try adjusting the color control 
settings using the printer driver.
—