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This section describes likely causes of and possible solutions for unclear copies.
Problem |
Causes |
Solutions |
---|---|---|
Copies appear dirty. |
Image density is too high. |
Adjust the image density settings. See "Adjusting Copy Image Density", Copy and Document Server Reference |
Copies appear dirty. |
Auto Image Density is not selected. |
On the control panel, select [Auto Density]. |
The reverse side of an original image is copied. |
Image density is too high. |
Adjust the image density settings. See "Adjusting Copy Image Density", Copy and Document Server Reference |
The reverse side of an original image is copied. |
Auto Image Density is not selected. |
On the control panel, select [Auto Density]. |
The reverse side of an original image is copied. |
The original is thin. |
On the control panel, select [Auto Density], or adjust the image density settings. See "Adjusting Copy Image Density", Copy and Document Server Reference |
A shadow appears on copies if you use pasted originals. |
Image density is too high. |
|
The same copy area is dirty whenever making copies. |
The exposure glass, scanning glass, exposure glass cover, or ADF is dirty. |
Clean them. See "Maintaining Your Machine", About This Machine. |
The same copy area is dirty whenever making copies. |
|
On the control panel, press [Generation Copy], and then begin copying. |
Copies are too light. |
Image density is too light. |
Adjust the image density settings. See "Adjusting Copy Image Density", Copy and Document Server Reference |
Copies are too light. |
A light copy may result when you use damp or rough grain paper. |
|
Parts of images are not copied. |
The original is not set correctly. |
Set originals correctly. See "Placing Originals", Copy and Document Server Reference |
Parts of images are not copied. |
The correct paper size is not selected. |
Select the proper paper size. |
Parts of images are not copied. |
Even if you place originals on the exposure glass, or ADF correctly, margin of a few millimeters on all four sides of the original might not be copied. |
Use "Create Margin" function to reduce the image of its original size. For details about missing image area, see "Create Margin", Copy and Document Server Reference |
Images appear only partially. |
The paper is damp. |
Use paper that has been stored in the recommended temperature and humidity conditions. For details about the proper way to store it, see "Paper Storage", About This Machine. |
Black lines appear. |
The exposure glass, scanning glass, exposure glass cover, or ADF is dirty. |
Clean them. See "Maintaining Your Machine", About This Machine. |
White lines appear. |
The exposure glass, scanning glass, exposure glass cover, or ADF is dirty. |
Clean them. See "Maintaining Your Machine", About This Machine. |
Copies are blank. |
The original is not set correctly. |
When using the exposure glass, face the originals down. When using the ADF, face them up. |
A moire pattern is produced on copies. |
The original has a dot pattern image or many lines. |
Place the original on the exposure glass at a slight angle. |
Black spots appear on the copy of a photographic print. |
Because of high humidity, the photographic print has stuck to the exposure glass. |
Place the print on the exposure glass in either of the following ways:
|
White stripes appear on the OHP. |
Fragments of paper are stuck to the OHP. |
Use a dry cloth to wipe any paper fragments off the back of the OHP. |
The image on the back side of duplex copies has mottled blank patches or is smudged. |
Missing patches and smudges are caused by moisture leaking from the paper. |
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