Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

Examples of poor print

Recommendation

quality

 

 

 

 

 

 

 

 

 

 

 

 

Make sure that you use paper that meets our specifications. A rough

 

 

 

 

 

 

 

 

 

 

 

surfaced paper or thick print media can cause this problem.

 

ABCDEFGH

See Acceptable paper and other print media uu page 20.

 

abcdefghijk

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

 

A B C D

 

driver or in the machine’s Tray Setting menu.

 

a b c d e

See Paper Size and Type uu page 17.

0 1 2 3 4

See Software User's Guide: Printing (for Windows®).

White lines across the page

See Software User's Guide: Printing and Faxing (for Macintosh).

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

clear this problem, especially if the machine has not been used for a

 

 

 

 

 

 

 

 

 

 

 

long time.

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

SeeReplacing the drum unit uu page 75.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Clean the corona wire inside the drum unit.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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ABCDEFGH

See Cleaning the corona wire uu page 73.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

abcdefghijk

 

 

 

 

 

 

C D

 

 

 

A B

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

c d e

 

 

 

a b

 

See Replacing the drum unit uu page 75.

 

 

 

2 3 4

 

 

 

0 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lines across the page

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

See Product Safety Guide: Choosing a location.

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

drum unit.

See Replacing the drum unit uu page 75.

White lines, bands or ribbing across the page

B

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