100 C H A P T E R T H I R T E E N

DIFFICULTY

SUGGESTIONS

Printed pages are marked

Markings may disappear by themselves. Try copying

at regular intervals.

multiple pages to clear this problem. Markings may occur

 

if the fax machine has not been used for a long time. A

 

possible cause is that the surface of the drum is scratched. You

 

must then replace the drum unit with a new one. If the

 

markings do not disappear, it may be that the drum was

Example of Regular Marking

marked or damaged by excessive exposure to light. In this

case, replace the drum unit with a new one.

 

Printed pages are blurred at the

Certain environmental conditions such as humidity, high

center or at either edge.

temperatures, etc. may cause this condition to occur. Make

 

sure the fax machine is placed on a flat, horizontal surface.

 

Remove the drum unit with the toner cartridge installed. Try

 

rocking them from side to side. You may clear a blurred page

 

by wiping the scanner windows with a clean soft cloth. (See

Blurred Page

“Regular Maintenance”, “Cleaning the Printer” and “Cleaning

the Drum Unit” on pages 109–111.) If a blurred page occurs

 

 

after cleaning and the display shows CHANGE DRUM SOON,

 

replace the drum unit with a new one.

Ghost images appear on the

Adjust the print conditions by setting the Print Density

printed page.

function, page 37. Make sure that you use paper that meets the

 

specifications. Rough surfaces or thick media can cause a

 

ghost image.

Ghost Images

 

 

 

The drum unit is a consumable item and it is necessary to replace it periodically.

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Brother FAX 2750, FAX 3750 manual H a P T E R T H I R T E E N