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When You Cannot Make Clear Copies

Problem

Causes

Solutions

Copies appear dirty.

Image density is too high.

Adjust the image density settings. For details about image density settings, see "Adjusting Copy Image Density", Copy/ Document Server.

Copies appear dirty.

Auto Image Density is not selected.

On the control panel, select [Auto Density].

Images are smudged.

Images may be smudged if a print side rubs against things such as the corner of the machine.

Retrieve copies carefully from the output tray, so that the print side does not touch any part of the machine. If you are making many copies, retrieve them in small batches.

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.

  • Adjust the image density settings. For details about image density settings, see "Adjusting Copy Image Density", Copy/ Document Server.

  • Change the orientation of the original.

  • Use clear tape to fix down pasted parts of the original.

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.

  • The original that has already been printed is scanned.

  • Original Type is set to [Text / Photo], and an original with text and photographs that can hardly be distinguished from each other is loaded.

On the control panel, press [Generation Copy] in [Others] 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", Copy/ Document Server.

Copies are too light.

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

  • Use recommended paper. For details about recommended paper, see "Recommended Paper Sizes and Types", Paper Specifications and Adding Paper.

  • Use paper that has been stored in the recommended temperature and humidity conditions. For details about how to store paper, see "Paper Storage", Paper Specifications and Adding Paper.

Parts of images are not copied.

The original is not set correctly.

Set originals 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 proper 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.

Colored 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", Maintenance and Specifications.

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", Maintenance and Specifications.

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", Maintenance and Specifications.

White lines appear.

The dustproof glass is dirty.

Clean the dustproof glass. For details about how to clean the dustproof glass, see "Cleaning the Dustproof Glass", 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 moiré pattern is produced on copies.

Illustration of moire pattern

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 an OHP transparency on the exposure glass, and then place the print on the OHP transparency.

  • Place the print on the exposure glass, and then place two or three sheets of white paper on it. Leave the exposure glass cover or ADF open when copying.

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.

  • Do not install the machine in low-temperature areas.

  • Use paper that has been stored where temperature and humidity conditions meet the limitations we recommend. For details about the paper storage conditions we recommend, see "Paper Storage", Paper Specifications and Adding Paper.

  • Install the Optional anti-humidity heater. For details about the anti-humidity heater, contact your service representative.