Gestetner f250 Operating Guide

ROUBLESHOOTING

8.14

Printing Quality Problems

The dirty inside of the machine or improper paper loading may reduce the print
quality. See the table below to clear the problem.

Condition

Suggested solutions

Light or faded

print

If a vertical white streak or faded area appears on the page:

• The toner supply is low. You may be able to temporarily

extend the toner cartridge life. See “Redistributing Toner” on
page 7.8. If this does not improve the print quality, install a
new toner cartridge.

• The paper may not meet paper specifications; for example,

the paper is too moist or too rough. See “Paper Specification”
on page A.5.

• If the entire page is light, the print resolution setting is too

low or Toner Save mode is on. Adjust the print resolution and
turn Toner Save mode off. See page 5.8 respectively.

• A combination of faded or smeared defects may indicate that

• The surface of the scan unit may be dirty. Clean the scan unit.

Toner specs

• The paper may not meet specifications; for example, the

• The transfer roller or paper path may be dirty. Clean the

inside of your machine and the drum. See page 7.4 and
page 7.11.

Dropouts

If generally rounded faded areas, occur randomly on the
page:

• A single sheet of paper may be defective. Try reprinting the

job.

• The moisture content of the paper is uneven or the paper has

moist spots on its surface. Try a different brand of paper. See
“Paper Specification” on page A.5.

• The paper lot is bad. The manufacturing process can cause

some areas to reject toner. Try a different kind or brand of
paper.

• The toner cartridge may be defective. Vertical repetitive

• If these steps do not correct the problems, contact a service

representative.

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