
What to Do If Something Goes Wrong
112
5
If You Cannot Make Copies as You Want
Problem Cause Action
Copies appear dirty. The image density is too dark. Adjust the image density. ⇒
P.28 “Adjusting Copy Image
Density”.
Adjust the background densi-
ty. ⇒ P.100 “Image Adjust-
ment”.
The exposure glass or docu-
ment feeder belt is dirty.
Clean them. ⇒ P.153 “Main-
taining Your Machine”
The reverse side of an original
image is copied.
The image density is too dark. Adjust the image density. ⇒
P.28 “Adjusting Copy Image
Density”.
If you select Black Copy mode
or Single Color mode, place a
black sheet of paper under the
reverse side of the original
and select Auto Image Densi-
ty mode.
Lighten the background den-
sity. ⇒ P.100 “Image Adjust-
ment”.
A shadow is copied when
copying a pasted original.
The image density is too dark. Adjust the image density. ⇒
P.28 “Adjusting Copy Image
Density”.
Adjust the background densi-
ty. ⇒ P.100 “Image Adjust-
ment”.
Set the original in a different
direction.
Put mending tape on the
bound part.
Copies are too light. The original has a low contrast
image.
Adjust the image density. ⇒
P.28 “Adjusting Copy Image
Density”.
The image density is too light.
Damp or rough grain paper is
used
Use dry paper without rough
grain.