Printing quality problems
228
6. Troubleshooting
Loose toner
•
Clean the inside of the machine (see "Cleaning the machine" on page 81).
•
Check the paper type and quality.
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Remove the toner cartridge and then, install a new one (see "Replacing the toner cartridge" on page 77).
If the problem persists, the machine may require repair. Contact a service representative.
Character voids
Character voids are white areas within parts of characters that should be solid black:
•
You may be printing on the wrong surface of the paper. Remove the paper and turn it around.
•
The paper may not meet paper specifications.
Horizontal stripes
If horizontally aligned black streaks or smears appear:
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The toner cartridge may be installed improperly. Remove the cartridge and reinsert it.
•
The toner cartridge may be defective. Remove the toner cartridge and install a new one (see "Replacing the toner cartridge" on
page 77).
If the problem persists, the machine may require repairing. Contact a service representative.
Condition
Suggested solutions
A
Summary of Contents for SCX-4021S Series
Page 3: ...3 BASIC 5 Appendix Specifications 103 Regulatory information 113 Copyright 125 ...
Page 43: ...Media and tray 43 2 Menu Overview and Basic Setup ...
Page 76: ...Redistributing toner 76 3 Maintenance ...
Page 83: ...Cleaning the machine 83 3 Maintenance ...
Page 91: ...Clearing original document jams 91 4 Troubleshooting ...
Page 95: ...Clearing paper jams 95 4 Troubleshooting ...
Page 124: ...Regulatory information 124 5 Appendix 26 China only ᆇ 䋼 ...