Troubleshooting

Examples of poor print quality Recommendation

Clean the corona wire inside the drum unit by sliding the green tab. Be sure to return the green tab to the home position (a).

uuCleaning the corona wire uu page 111

The drum unit may be damaged. Put in a new drum unit.

uuReplacing the drum unit uu page 104

All black

Make sure that you use paper that meets our specifications. A rough surfaced paper or thick print media can cause this problem.

ABCDEFGH

uu Acceptable paper and other print media uu page 2.

 

abcdefghijk

 

 

 

A B C D

Make sure that you choose the appropriate media type in the printer driver.

6

a b c d e

The problem may disappear by itself. Print multiple blank pages to clear this

0 1 2 3 4

problem, especially if the machine has not been used for a long time.

 

White lines across the page

The drum unit may be damaged. Put in a new drum unit.

 

 

 

uu Replacing the drum unit uu page 104

Clean the corona wire inside the drum unit.

ABCDEFGH

uu Cleaning the corona wire uu page 111

 

abcdefghijk

The drum unit may be damaged. Put in a new drum unit.

A B C D

uu Replacing the drum unit uu page 104

a b c d e

 

0 1 2 3 4

 

Line across the page

Check the machine's environment. Conditions such as high humidity and high temperatures may cause this print quality problem.

uuProduct Safety Guide: Choosing a location

If the problem is not solved after printing a few pages, put in a new drum unit.

uu Replacing the drum unit uu page 104

White lines, bands or ribbing

across the page

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