User's Guide (Product Manual)
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Portal Top
Manual top
About the Machine
Supported Functions
System Manager ID and PIN
Names of Parts and Their Functions
Front Side
Interior
Control Panel
Multi-purpose Tray
Paper Drawer
Usable Paper
Precautions When Handling Paper
Specifications
Basic Specifications
Print Specifications
Scan Specifications
Recommended Functions
Digitizing Documents
Cost Savings
Making Operations More Efficient
Setting Up
Configuring the Default Settings (Setup Guide)
Installing Software and Drivers to the Computer
Basic Operations
Turning ON and OFF the Machine
Turning ON the Machine
Turning OFF the Machine
Restarting the Machine
Reducing Power Consumption (Sleep Mode)
Using the Control Panel
Screens Displayed on the Control Panel
[Home] Screen
[Status Monitor] Screen
How to Operate the Control Panel
Entering Numbers
Customizing the [Home] Screen
Logging In to the Machine
Placing Originals
Loading Paper
Loading Paper in the Paper Drawer
Loading Paper in the Multi-purpose Tray
Preparations and Orientation for Loading Envelopes
Orientation for Loading Paper with a Logo
Specifying the Paper Size and Type
Setting the Paper Size and Type for the Paper Drawer
Setting the Paper Size and Type for the Multi-purpose Tray
Registering a Frequently Used Paper Size and Type for the Multi-purpose Tray
Registering Non-standard Size Paper (Custom Paper)
Hiding Unused Paper Sizes
Using the Appropriate Paper Source for Each Function
Registering Frequently Used Settings
Registering and Calling Up Favorite Copy Settings
Changing the Default Settings
Printing
Printing Preparations
Preparing to Print from a Computer
Printing from a Computer
Registering Non-standard Size Paper to the Computer (Custom Size)
Canceling Printing
Viewing the Print Job Status and Log
Scanning
Preparations for Scanning
Preparing to Save Scanned Data to a Computer
Scanning (Saving to a Computer)
Scanning from a Computer (Saving to a Computer)
Starting MF Scan Utility
Canceling Scanning
Copying
Copy Operations
Additional Copying Features
Copying Both Sides of ID Cards onto One Sheet
Copying Multiple Passports onto One Sheet
Canceling Copy Operations
Checking the Copy Status and Log
Security
Setting the System Manager ID and PIN for the Administrator
Preventing Unauthorized Use
Preventing Connection to Computer via USB Port
Managing the Machine
Setting the Date and Time
Monitoring the Usage
Checking the Number of Printed Pages (Check Counter)
Printing and Viewing Reports and Lists
Updating the Firmware
Initializing the Settings and Data
Settings Menu Items
[Preferences]
[Display Settings]
[Timer/Energy Settings]
[External Interface]
[Accessibility]
[Adjustment/Maintenance]
[Adjust Image Quality]
[Special Processing]
[Maintenance]
[Function Settings]
[Common]
[Paper Feed Settings]
[Print Settings]
[Scan Settings]
[Generate File]
[Copy]
[Printer]
[Printer Settings]
[Management Settings]
[User Management]
[Device Management]
[Update Firmware]
[Data Management]
[Security Settings]
Maintenance
Cleaning the Machine
Cleaning the Surface of the Machine
Cleaning the Platen Glass
Cleaning the Transfer Roller
Cleaning the Fixing Assembly
Cleaning the Drum
Replacing Consumables
Replacing the Toner Cartridges
Replacing the Drum Unit
Checking the Remaining Amount of Consumables
List of Consumables
Adjusting the Print Quality
Adjusting the Reproducibility of Near Black Color Text
Troubleshooting
Paper Jams
Paper Jams inside the Machine and in a Paper Source
Paper Jams That Occur Repeatedly
Problems with Printing Results
The Printed Image is Displaced or Skewed
Images Are Uneven or Faint
Printouts Appear Dirty or Smudged
Bleedthrough Occurs
Images Are Not Printed on the Intended Side of the Paper
Images Are Not Printed in the Intended Size
Paper and Paper Feeding Problems
Paper Creases
Paper Curls
Paper Is Not Fed or Two or More Sheets Are Fed Together
Setting Up
Printing and Copying
Cannot Print or Copy
Cannot Print (USB Connection)
Printing Is Slow
Scanning
Cannot Save Scanned Data to a Computer
Management Functions and Environment Settings
Changing the Time Until Sleep Mode
Lost System Manager ID or PIN for the Administrator
Checking the Items That Can Be Configured on the Machine and Their Settings
A Message Appears
An Error Code Is Displayed
Appendix
Manuals of the Machine
Using the User's Guide
Manual Display Settings
Operation Examples When Using a Computer
Environmental Information, Regulations, and Standards
Notice
Trademarks and Copyrights
Third-party Software

Portal Top > Manual top > Troubleshooting > Problems with Printing Results > Printouts Appear Dirty or Smudged

Printouts Appear Dirty or Smudged

Document number: 93S7-079

Troubleshoot by checking the items below.

Have You Cleaned the Drum Unit?

These symptoms may occur when the drum unit is dirty. In this case, clean the drum unit. Cleaning the Drum

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User's Guide (Product Manual)

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