Print

Quality

Difficulties

Difficulty

Suggestions

 

 

Printouts are too dark

Adjust the print conditions by setting the Print

or light.

Density function. It has been factory set to the

 

middle position. (See Setting the Print

 

Density, on page 5-4.)

 

 

Printed pages contain

You may fix this by wiping the scanner windows

white stripes.

with a clean soft cloth. (See Routine

 

Maintenance and Cleaning the Drum Unit,

 

on pages 22-17 and 22-19.) If you still see

 

white stripes or faint images and the display

 

shows CHANGE DRUM SOON, replace the

White Stripes or

drum unit with a new one. Check the machine’s

environment. Conditions such as humidity, high

Faint lmages

temperatures, etc. may cause this print defect to

 

 

occur.

 

 

Printed pages are

Clean the machine’s interior and the primary

stained corona with

wire of the drum unit. (See Routine Maintenance

toner or have vertical

and Cleaning the Drum Unit, on pages 22-17

stripes.

and 22-19.) Make sure that the tab of the corona

 

wire is at the home position.

 

If after cleaning, you still see dark stripes or

 

toner stains and the display shows CHANGE

Dark Stripes or

DRUM SOON, replace the drum unit with a

Toner Stains

new one.

 

 

Printed pages have

Make sure that you use paper that meets the

white spots in black

specifications. Rough surface or thick media can

text and graphic areas.

cause the problem. If you still see white spots

 

and the display shows CHANGE DRUM

 

SOON, replace the drum unit with a new one.

 

Check the machine’s environment; conditions

 

such as high humidity may cause this situation

White Spots

to occur.

 

 

Toner scatters and

Adjust the print conditions by setting the Print

stains the printed

Density function. Remove the drum unit and

page.

clean the machine’s interior. (See Routine

 

Maintenance, Cleaning the Printer and

 

Cleaning the Drum Unit, on pages 22-17 and

 

22-19.) Make sure that you use paper that

 

meets specifications. (See page 2-6.) If you

 

still have scattered toner and the display shows

 

CHANGE DRUM SOON, replace the drum

Scattering Toner

unit with a new one. Check the machine’s

environment; high temperature and high

 

 

humidity may cause this condition to occur.

 

 

The whole page is

Clean the machine’s interior and the primary

printed black.

corona wire of the drum unit. (See page 22-19.)

 

Also, do not use heat-sensitive paper as it will

 

cause this problem. After cleaning, if the printed

 

pages are still black or the display shows

Black Page

CHANGE DRUM SOON, replace the drum unit

with a new one. The drum unit may be damaged.

 

 

 

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T R O U B L E S H O O T I N G A N D R O U T I N E M A I N T E N A N C E

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Image 186
Brother MFC 9600 owner manual Print Quality Difficulties