User GuideIM 350/430 series

When You Cannot Make Copies As Wanted

When you cannot make clear copies

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", Copy/Document Server.

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.

  • 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.

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, set the original type to [Generation Copy], and then start copying.

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", Specifications.

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

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", For First-time Users.

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", Specifications.

Parts of images on the top edge of paper are not copied.

Auto Image Density is selected.

On the control panel, deselect [Auto Density].

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.

Black lines appear.

If Original Type is set to [Text] for copying, black lines may appear on the back edge of paper.

On the control panel, in the original types, press [Text / Photo] or [Photo], and then start copying.

Black lines appear.

If thin paper is fed with its grain direction perpendicular to the paper feeding direction, black lines may appear in the middle of paper.

Change the paper grain direction parallel to the paper feeding direction.

For details about the paper grain direction, see "Recommended Paper", 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.

Copies are blank.

The original is not set correctly.

Set the original correctly. For details about how to set originals, see "Placing Originals", For First-time Users.

A moire 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 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", Specifications

  • If you have been doing one-sided printing in low temperatures, such as early in the morning or late at night, wait for more than 5 minutes before you start doing duplex printing.

  • If the problem persists after trying the solutions above, the curl prevention function may improve the situation. For details, see When the Printed Paper Curls.

The density of some parts of printed images is vertically inconsistent.

The machine has been used for a long time or has recently been used to print or copy a large number of documents.

Select [Vertical Uneven Density Correction] in [Maintenance] under [Machine Features] to correct the density. For details about the setting, see When Vertical Uneven Density Parts Appear on Printed Images.

Basic

Problem

Cause

Solution

Misfeeds occur frequently.

The number of sheets loaded exceeds the capacity of the machine.

Load paper only as high as the upper limit markings on the side fences of the paper tray, or the markings on the paper guides of the bypass tray.

Fan the sheets thoroughly before loading them.

Misfeeds occur frequently.

The paper tray's side fences are set too tightly.

Push the side fences lightly, and then reset it.

Misfeeds occur frequently.

The paper is damp.

Use paper that has been stored in the recommended temperature and humidity conditions. For details about the paper storage conditions we recommend, see "Paper Storage", Specifications.

Misfeeds occur frequently.

The paper is too thick or too thin.

Use recommended paper. For details about recommended paper, see "Recommended Paper", Specifications.

Misfeeds occur frequently.

The copy paper is wrinkled or has been folded or creased.

  • Use recommended paper. For details about recommended paper, see "Recommended Paper", Specifications.

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

Misfeeds occur frequently.

Printed paper is being used.

Do not load sheets that have already been copied or printed onto by another machine.

Misfeeds occur frequently.

Sheets are sticking together.

Fan the sheets thoroughly before loading them. Alternatively, feed the sheets into the machine one at a time.

Misfeeds occur frequently.

The paper being used has a rough cross section.

Turn the paper over and set the paper in a direction so that the rough cross section is not the leading edge in the feeding direction.

Copy paper becomes creased.

The paper is damp.

Use paper that has been stored in the recommended temperature and humidity conditions. For details about the paper storage conditions we recommend, see "Paper Storage", Specifications.

Copy paper becomes creased.

The paper is too thin.

Use recommended paper. For details about recommended paper, see "Recommended Paper", Specifications.

Copy paper becomes creased.

The side fences or end fence in the paper feed tray are not set properly.

Make sure the side fences and end fence are set properly. For details about how to set the side fences and end fence, see "Changing the Paper Size", For First-time Users.

You want to check print quality before making a large print run.

You can print a single copy without specifying the setting again.

Check print quality by printing out only the first set using [Sample Copy]. See "Finishing", Copy/Document Server.

You cannot combine several functions.

Selected functions cannot be used together.

Check the combination of functions, and then make the settings again. For details about combination of functions, see "Function Compatibility", Copy/Document Server.

When sorting, pages are divided into two blocks.

The memory became full while pages were sorted so that they were delivered in two blocks.

Change the setting for [Memory Full Auto Scan Restart] in [Copier / Document Server Features]. For details about setting "Memory Full Auto Scan Restart", see "Input / Output", Copy/Document Server.

The copy is grayed out or a text pattern appears in the background of the copy.

You have copied a copyguarded document protected from unauthorized copying.

Check the document. For details about how to prevent unauthorized copying of the document, see "Printing Documents that Are Not Authorized for Duplication", Print, or "Preventing Unauthorized Copies", Copy/Document Server.

Images are skewed.

The side fences in the paper feed tray are not set properly.

Make sure the side fences are set properly. For details about how to set the side fences, see "Changing the Paper Size", For First-time Users.

Images are skewed.

The paper is fed in at a slant.

Load the paper correctly. For details about loading paper, see "Loading Paper", For First-time Users.

Images are skewed.

The original guide of the ADF is not set properly.

Make sure the original guide is set properly. For details about how to set the original guide, see "Placing Originals in the Auto Document Feeder", For First-time Users.

Edges of sheets are creased.

The paper is damp.

Use paper that has been stored in the recommended temperature and humidity conditions. For details about the paper storage conditions we recommend, see "Paper Storage", Specifications.

Edges of sheets are creased.

You are using non-recommended paper.

Use recommended paper. For details about recommended paper, see "Recommended Pape ", Specifications.

Edges of sheets are creased.

The number of the sheets fed into the paper tray exceeds the capacity of the machine.

Load paper only as high as the upper limit markings on the side fences of the paper tray. For details about loading paper, see "Loading Paper", For First-time Users.

Sheets are fed in together, resulting in paper jams.

Sheets are sticking together.

Fan the sheets to flatten the paper before loading it. Alternatively, feed a sheet of paper at a time.

Originals are not fed.

The number or height of originals set in the ADF exceeds the maximum permissible limit

Set originals only as high as the upper limit markings on the ADF. For details about how to set originals, see "Placing Originals", Paper Specifications and Adding Paper. For the number and height of originals that can be set in the ADF, see "Specifications for the Main Unit", Specifications.

Edit

Problem

Cause

Solution

In "Margin Adjustment" mode, parts of the original image are not copied.

  • You set a wide erased margin.

  • There is a lack of margin space on the opposite side of the binding position.

Set a narrower margin with User Tools.

In "Image Repeat" mode, the original image is not copied repeatedly.

You selected copy paper the same size as the originals, or you did not select the proper reproduction ratio.

Select copy paper larger than the originals or select the proper reproduction ratio.

Stamp

Problem

Causes

Solutions

The stamp position is wrong.

The paper orientation is wrong.

Check the paper orientation and stamp position.

The stamp is not printed on the back side of sheets when duplex copying.

The back side stamp position is incorrect for the paper size.

Reset the back side stamp position. For details about Duplex Back Page Stamping Position, see "Copier / Document Server Features", Copy/Document Server.

Combine

Problem

Cause

Solution

When "Combine" is used, parts of the image are not copied.

You specified a reproduction ratio that does not match the sizes of the originals and copy paper.

When you specify a reproduction ratio using Manual Paper Select mode, make sure the ratio matches the originals and the copy paper. Select the correct reproduction ratio before using Combine mode. For details about Combine mode, see "One-Sided Combine", "Two-Sided Combine", or "Auto Reduce / Enlarge", Copy/Document Server.

Copies are not in correct order.

You placed the originals in the incorrect order.

When you place a stack of originals in the ADF, the last page should be on the bottom.

If you place an original on the exposure glass, start with the first page to be copied.

Duplex

Problem

Cause

Solution

Cannot print in duplex mode.

You have loaded paper that is too thick or too thin.

Change the paper. For details about paper weight that can be used for duplex printing, see "Specifications for the Main Unit", Specifications.

Cannot print in duplex mode.

You have selected a paper tray that is not set for duplex printing.

Change the setting for "Apply Duplex" in [Tray Paper Settings] to enable duplex printing for the paper tray. For details about setting "Apply Duplex", see "Tray Paper Settings", Settings.

Cannot print in duplex mode.

You have selected a paper type that cannot be used for duplex printing.

In [Tray Paper Settings], select a paper type that can be used for duplex printing. For details about setting "Paper Type", see "Tray Paper Settings", Settings.

Copies are not in correct order.

You placed the originals in the incorrect order.

When you place a stack of originals in the ADF, the last page should be on the bottom.

If you place an original on the exposure glass, start with the first page to be copied.

When "Duplex" is used, copy is made top to bottom even though [Top to Top] is selected.

You placed the originals in the wrong orientation.

Place the original in the correct orientation. For details about original orientations for duplex copy, see "Duplex Copying", Copy/Document Server.

Document Server

Problem

Cause

Solution

Cannot access file.

  • The file is password-protected.

  • The entered password is not correct.

For details about password-protected files, see "Managing Stored Files", Security.

You cannot find out what is stored in a file.

You may not be able to check the contents of a file simply from the file name.

You can switch the Select File screen between the [List] and [Thumbnails] display to check the file information.

  • List display

    The file name, date of storage, and user name are shown.

  • Thumbnails display

    An image of the stored file appears.

For details about the Select File screen, see "Checking the Details of a Stored Document", Copy/Document Server.

Memory frequently becomes full.

The Document Server memory is full.

Delete unnecessary files. On the file selection display, select unnecessary files, and then press [Delete File]. If this does not increase available memory space, do the following:

  • Switch to the scanner screen, and then delete unnecessary files stored under the scanner function.

  • Switch to the printer screen, and then delete unnecessary files stored under Sample Print, Locked Print, Hold Print, or Stored Print.

Note

  • There is nothing wrong with the squeaking noise that occurs when smooth paper of A5 or smaller is fed from the bypass tray.