Operation Manual

DRAFT 2003/11/12
Troubleshooting
72
3
If You Cannot Make Clear Copies
Problem Causes Solutions
Black or white streaks appear
on copies.
Image density is too dark. Adjust image density. See p.30
“Adjusting Copy Image Den-
sity”.
The exposure glass or platen
plate is dirty.
Clean the exposure glass or
platen plate. See “Maintaining
Your Machine”, General Set-
tings Guide.
The original is dusty. Clean the original and try cop-
ying again.
Be particularly careful when
using the following types of
original:
• Hand drawn or drawn on
with other forms of pencil
or pen, such as a plotter.
• Film, translucent paper, or
other originals that attract
static electricity.
• Very long originals.
A shadow of the reverse side
of an original image appears
on copies.
Image density is too dark. Adjust the image density set-
ting. See p.30 “Adjusting
Copy Image Density”.
The background is dirty. Image density is too dark. Adjust the image density set-
ting. See p.30 “Adjusting
Copy Image Density”.
The edges of pasted sections
are shown.
Image density is too dark. Adjust the image density set-
ting. See p.30 “Adjusting
Copy Image Density”.
Change the orientation of the
original.
Put mending tape on the past-
ed part.
The same copy area is dirty
whenever making copies.
The exposure glass or platen
plate is dirty.
Clean the exposure glass or
platen plate. See “Maintaining
Your Machine”, General Set-
tings Guide.