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This section describes likely causes of and possible solutions for unclear copies.
Problem |
Causes |
Solutions |
---|---|---|
Black or white streaks appear on copies. |
The original is dusty. |
Clean the original, and then try copying again. Be particularly careful when using the following types of original:
|
Black or white streaks appear on copies. |
The exposure glass or platen plate is dirty. |
Clean the exposure glass or platen plate. See "Maintaining Your Machine", About This Machine. |
The background is dirty. |
Image density is too dark. |
Adjust the image density setting. See "Adjusting Copy Image Density", Copy and Document Server Reference. |
The background is dirty. |
Auto Image Density is not selected. |
On the control panel, select [Auto Density]. |
Parts of images are not printed. |
The paper is damp. |
Use paper that has been stored in the recommended temperature and humidity condition. For details about the proper way to store it, see "Paper Storage", About This Machine. |
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. |
Toner fusing is poor. |
The paper thickness is not properly set. |
Set the paper thickness again. See "Tray Paper Settings", Network and System Settings Reference. |
Toner fusing is poor. |
The copy paper is too thick. |
Set the paper thickness again. See "Tray Paper Settings", Network and System Settings Reference. |
Image density is uneven. |
The original has areas of solid color, or Positive/ Negative is selected when copying multiple sheets. |
When using Repeat Copy with originals that have areas of solid color, set the number of originals as follows: A0 - A2 (E - C): 1 sheet, A3 (B) or smaller: 3 sheets. For details about sizes of originals, see "Measure Chart", Copy and Document Server Reference. |
Image density is uneven. |
Halftone originals can cause this problem. |
Try using "Text / Photo". |
Images are blurred when using translucent paper. |
Translucent paper is being used when copying multiple sheets. |
Select a proper paper thickness for the copy paper. See "Tray Paper Settings", Network and System Settings Reference. |
Extreme wrinkling occurs when using translucent paper. |
An improper paper thickness is selected. |
Select a proper paper thickness for the copy paper. See "Tray Paper Settings", Network and System Settings Reference. |
Strong wrinkles appear when using translucent paper. |
The paper type has recently been changed from plain paper to translucent paper. |
Wait about one minute. |
Streaks, scratches, or wrinkles appear in areas of solid black. |
Copy paper has been changed from plain to translucent paper, or from translucent to plain paper. |
|
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]. |
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 or platen plate is dirty. |
Clean the exposure glass or platen plate. 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. |
|
Copies are too light. |
Toner container is almost empty. |
Add toner. For details, see "Adding Toner", About This Machine. |
Copies are blurred. |
Continuous copies have been made on small sized paper. |
Wait about two minutes, and then try coping again. |
Black lines appear. |
The exposure glass or platen plate is dirty. |
Clean the exposure glass or platen plate. See "Maintaining Your Machine", About This Machine. |
White lines appear. |
The exposure glass or platen plate is dirty. |
Clean the exposure glass or platen plate. See "Maintaining Your Machine", About This Machine. |
White lines appear. |
When is blinking, toner is beginning to run out. |
Add toner. For details, see "Adding Toner", About This Machine. |
Copies are blank. |
The original is not set correctly. |
When using the original table, face the originals down. For details, see "Placing Originals", Copy and Document Server Reference. |
A moire pattern is produced on copies. |
The original has a dot pattern image or many lines. |
Place the original on the original table at a slight angle. |
Wrinkles appear on the copy. |
The paper is damp. |
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