Troubleshooting

Examples of poor print quality

Recommendation

 

 

 

 

Make ten copies of a blank, white sheet of paper. (See How to

 

 

 

 

copy on page 48.) If the problem is not solved, the drum unit may

 

 

 

 

have glue from a label stuck on the OPC drum surface. Clean the

 

 

 

94 mm

drum unit. (See Cleaning the drum unit in Appendix A of the

 

 

 

 

 

 

Advanced User's Guide.)

 

 

 

(3.71 in.)

 

 

 

 

 

 

 

94 mm

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

 

 

 

 

 

 

Replacing the drum unit on page 63.)

 

 

 

(3.71 in.)

 

 

 

 

 

 

 

 

 

White Spots on black text and

 

graphics at 94 mm (3.71 in.)

 

intervals

 

94 mm

(3.71 in.)

94 mm

(3.71 in.)

Black Spots at 94 mm (3.71 in.)

intervals

If you use label sheets for laser printers, the glue from the sheets may sometimes stick to the OPC drum surface. Clean the drum

 

 

 

 

 

unit. (See Cleaning the drum unit in Appendix A of the Advanced

 

ABCDEFGH

 

 

 

 

 

 

User's Guide.)

 

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Make sure that you use paper that meets our specifications. (See

 

A B C D

 

 

 

Acceptable paper and other print media on page 17.)

 

a b c d e

 

Do not use paper that has clips or staples because they will

 

0 1 2 3 4

 

 

 

 

 

scratch the surface of the drum.

B

Black toner marks across the

If the unpacked drum unit is in direct sunlight or room light, the unit

may be damaged.

 

 

page

The toner cartridge may be damaged. Put in a new toner

 

 

 

 

 

 

 

 

 

 

 

 

cartridge. (See Replacing the toner cartridge on page 57.)

 

 

 

 

 

 

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

 

 

 

 

 

 

Replacing the drum unit on page 63.)

 

99