DIFFICULTY

SUGGESTIONS

Printed pages are marked

Markings may disappear by themselves. Try copying at multiple

regular intervals.

pages to clear this problem. Markings may occur if the machine has

 

not been used for a long time. A possible cause is that the surface of

 

the drum is marked or damaged by excessive exposure to light. In

 

this case, replace the drum unit with a new one.

Example of Regular Marking

 

Printed pages are blurred at

Certain environmental conditions such as humidity, high

the centre or at either edge.

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

 

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 window

Blurred Page

with a clean soft cloth. (See Regular Maintenance, page 73.) 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

Adjust the print conditions by setting the Print Density function.

printed page.

(See Setting the Print Density, page 28.) Make sure that you use

 

paper that meets the specifications. (See Acceptable Paper, page

 

92.) Rough surfaces or thick media can cause a ghost image.

Ghost Images

 

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

MAINTENANCE

Troubleshooting and Maintenance 69