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Print quality problems – Oki C 5400n User Manual

Page 134

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Troubleshooting • 132

Print Quality Problems

Longitudinal white stripes

Longitudinal fading

Faint printing

Fading in patches

Remedy

Clean LED head with lens cleaner or soft tissue.

Change toner cartridge.

Change image drum.

Possible cause

Remedy

LED head is dirty.

Clean LED head with lens cleaner or soft tissue.

Toner is low.

Change toner cartridge.

Paper is unsuitable for
printer.

Use recommended paper.

Possible cause

Remedy

The toner cartridge is
incorrectly installed.

Reinstall the toner cartridge (see “Toner Cartridge
Replacement” on page 72
).

Toner is low.

Change toner cartridge (see “Toner Cartridge
Replacement” on page 72
).

The paper is moist.

Store paper within specified temperature and
humidity levels (see “Specifications” on
page 141
).

Paper is unsuitable for
printer.

Use recommended paper (see“Media
Recommendations” on page 10
).

Possible cause

Remedy

The paper is moist.

Store paper within specified temperature and
humidity levels (see “Specifications” on page 141).