84
– C910 Troubleshooting
Horizontal
Lines and spots
appear
periodically.
When the interval is
about 94mm (4in), the
image drum (the green
tube) is damaged or
dirty.
Wipe it lightly with a soft
cloth. Replace the image
drum cartridge when it is
damaged.
When the interval is
about 42mm (1.5in),
there may be foreign
particles in the image
drum cartridge.
Open/close the top cover,
and print again.
When the interval is
about 87mm (3.5in), the
fuser unit is damaged.
Replace the fuser unit.
The image drum
cartridge has been
exposed to light.
Replace the image drum
cartridge if the problem is
not resolved.
White area of
paper is lightly
stained.
Paper contains static.
Use paper stored in proper
temperature and humidity
conditions.
Too thick paper is used.
Use thinner paper.
The toner is low.
Replace the toner cartridge.
Periphery of
the letters is
smudged.
The LED head is dirty.
Wipe the head with LED lens
cleaner or with a soft cloth.
Toner comes
off when it is
rubbed.
The thickness and type
of the paper are
incorrectly set.
Set the correct value of
[Media Type] and [Media
Weight] in the menu setup
or set one value thicker for
[Media Weight].
Recycled paper is used.
Set one value thicker for
[Media Weight] in the menu
setup.
Glossiness is
not uniform.
The thickness and type
of the paper are
incorrectly set.
Set the correct value of
[Media Type] and [Media
Weight] in the menu setup
or set one value lighter for
[Media Weight].
Symptoms
Possible causes
Steps to take
Summary of Contents for C910
Page 1: ...User s Guide C910 m o c a t a d i k o y m 59102301...
Page 9: ...9 C910 Introduction Tray1 2nd Tray HCF...
Page 15: ...15 C910 Printer Overview 27 Belt unit 28 Drum basket handle 29 Drum basket 27 28 29...
Page 57: ...57 C910 Troubleshooting 3 Carefully remove the jammed paper 4 Close the side cover...
Page 80: ...80 C910 Troubleshooting 8 Remove any jammed paper 9 Close the right side door...