Problem |
Cause |
Solution |
---|---|---|
Copies appear dirty. |
Image density is too high. |
Adjust the image density settings. For details about image density settings, see "Adjusting Copy Image Density", Basic Operations. |
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", Basic Operations. |
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", Basic Operations. |
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. |
Identical blemishes appear in the same place on every copy. |
|
On the control panel, press [Generation Copy] to start a copy job. |
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. |
Adjust the image density settings. For details about image density settings, see "Adjusting Copy Image Density", Basic Operations. |
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 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", Preparation. |
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", Basic Operations. |
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", Preparation. |
Black lines appear. |
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. |
Colored lines appear. |
The exposure glass, scanning glass, or ADF is dirty. |
Clean them. See Maintaining Your Machine. |
White lines appear. |
The exposure glass or scanning glass is dirty. |
Clean the exposure glass or scanning glass. For details about how to clean the machine, see Maintaining Your Machine. |
White lines appear. |
When is flashing, toner is beginning to run out. |
Add toner. For details about adding toner, see Adding Toner. |
Copies are blank. |
The original is not set correctly. |
Set the original correctly. For details about how to set originals, see "Placing Originals", Preparation. |
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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