6
Chapter
Troubleshooting
Improving Copy Quality
Use the instructions below if you are experiencing poor copy quality.
Symptom
Image is too light
Symptom
Image is blurry
130
Possible Cause
The exposure level for the
Auto Exposure mode is set
at "Lighter."
The exposure level for the
Manual Exposure mode is
set at "Lighter."
You have been making
copies from a photo or an
original with a large dark
area.
The Toner Bottle has just
been replaced.
The message "Replenish
Toner." is shown on the
Touch Panel.
Possible Cause
The paper is damp.
Corrective Action
Change the setting of "Auto
Exposure Level" of The Key
Operator function. p. 85
Or, cancel the Auto
Exposure mode and select
Manual Exposure to adjust
the exposure level to obtain
a darker image. p . 40
Touch [Darker] as necessary
to obtain a darker image.
p. 40
The copier needs more
toner. Replenish toner
by using the Image Quality
Cycle in the Programming
Mode. p. 83
The copier needs
more toner. Replenish toner
by using the Image Quality
Cycle in the Programming
Mode. p. 83
Replace the Toner Bottle.
p. 108
Corrective Action
Change the paper.
Need help?
Do you have a question about the C400 and is the answer not in the manual?