Apple B2867757 ユーザーズマニュアル

Troubleshooting When Using the Copy Function

20

This section explains likely causes of and possible solutions for unclear copies.

Black or white streaks ap-
pear on copies.

The exposure glass or 
platen plate is dirty.

Clean the exposure glass or platen plate. 
See p.79 “Maintaining Your Machine”.

Black or white streaks ap-
pear on copies.

The original is dusty.

Clean the original and try copying 
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.

The background is dirty.

Image density is too 
dark.

Adjust the image density setting. See 
“Adjusting Copy Image Density”, 
Copy/Document Server Reference.

The background is dirty.

Auto Image Density is 
not selected.

Select the auto density. See “Adjusting 
Copy Image Density”, Copy/Document 
Server Reference.

Copies are too light.

Image density is too 
light.

Adjust the image density settings. See 
“Adjusting Copy Image Density”, 
Copy/Document Server Reference.

Copies are too light.

A light copy may result 
when you use damp or 
rough grain paper.

Use the recommended paper. Also, use 
paper that has been stored in the recom-
mended temperature and humidity con-
dition. See “Copy Paper”, About This 
Machine.

Copies are too light.

Toner cartridge is almost 
empty.

Add toner. See p.64 “Adding Toner”.

Parts of images are not 
printed.

The paper is damp.

Use paper that has been stored in the 
recommended temperature and humid-
ity condition. See “Copy Paper”, About 
This Machine.

Toner fusing is poor.

The paper thickness is 
not properly set.

Set the paper thickness again. See “Tray 
Paper Settings”, General Settings Guide.

Toner fusing is poor.

The copy paper is too 
thick.

Set the paper thickness again. See “Tray 
Paper Settings”, General Settings Guide.

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 p.79 “Maintaining Your Machine”.

The same copy area is 
dirty whenever making 
copies.

The original that has al-
ready been printed is 
scanned.

Select [Generation Copy], and then begin 
copying. See “Selecting the Original 
Type Setting”, Copy/Document Server 
Reference.