Problem |
Cause |
Solution |
---|---|---|
Copies appear dirty. |
Image density is too high. |
|
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. For details about image density settings, see "Adjusting Copy Image Density", Copy/ Document Server. |
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. For details about image density settings, see "Adjusting Copy Image Density", Copy/ Document Server. |
Shadow appears on copies if you use pasted originals. |
Image density is too high. |
|
Identical blemishes appear in the same place on every copy. |
The exposure glass, scanning glass, or guide plate of the ADF is dirty. |
Clean the exposure glass, scanning glass, or guide plate of the ADF. For details about how to clean the machine, see "Maintaining Your Machine", Maintenance and Specifications. |
Identical blemishes appear in the same place on every copy. |
|
On the control panel, set the original type to [Generation Copy], and then start copying. |
Colors appearing on two sides of a print are different. |
The original type is set to [Highlight Pen]. |
Cancel [Highlight Pen] in the original type setting. |
The shadow density of an area is different from that of the original. |
If Original Type is set to [Text / Photo] for copying, the shadow density for each area may vary. |
On the control panel, in the original types, press [Photo] or [Text], and then start copying. |
Copies are too light. |
Image density is too light. |
|
Copies are too light. |
A light copy may result when you use damp or rough grain paper. |
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Parts of images are not copied. |
The original is not set correctly. |
Set the original correctly. For details about how to set originals, see "Placing Originals on the Exposure Glass" and "Placing Originals in the Auto Document Feeder", Paper Specifications and Adding Paper. |
Parts of images are not copied. |
The correct paper size is not selected. |
Select the correct paper size. |
Parts of images are not copied. |
Even if you place originals on the exposure glass or in the ADF correctly, margins 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 image areas that cannot be copied, see "Create Margin", Copy/ Document Server. |
Images appear only partially. |
The paper is damp. |
Use paper that has been stored in the recommended temperature and humidity conditions. For details about how to store it, see "Paper Storage", Paper Specifications and Adding Paper. |
Black lines appear. |
The exposure glass, scanning glass, or guide plate of the ADF is dirty. |
Clean them. For details about how to clean the machine, see "Maintaining Your Machine", Maintenance and Specifications. |
Colored lines appear. |
The exposure glass, scanning glass, or ADF is dirty. |
Clean them. See "Maintaining Your Machine", Maintenance and Specifications. |
White lines appear. |
The exposure glass or scanning glass is dirty. |
Clean them. For details about how to clean the machine, see "Maintaining Your Machine", Maintenance and Specifications. |
White lines appear. |
When |
Add toner. For details about adding toner, see "Adding Toner", Maintenance and Specifications. |
Copies are blank. |
The original is not set correctly. |
Set the original correctly. For details about how to set originals, see "Placing Originals", Paper Specifications and Adding Paper. |
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. |
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White stripes appear on the OHP transparency. |
Fragments of paper are stuck to the OHP transparency. |
Use a dry cloth to wipe any paper fragments off the back of the OHP transparency. |
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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