(3)Wipe the surface of the photosensitive drum with a cotton swab until the dust or paper powder on the surface comes off.

Separator

Paper path

 

Toner cartridge

Cleaning roller

Photo sensitive drum

Fig. 4-4

Caution:

Do not wipe the surface of the photosensitive drum with something sharp. (ball-point

￿pen etc.)

Use the cleaning liquid which is a 50-50 mixture of ethyl alcohol and pure water.

I-16

Black band

Possible cause

Step

Check

Result

Remedy

 

 

 

 

 

Drum unit

1

Is the wire cleaner positioned

No

Return the wire cleaner to its

 

 

at its home position?

 

home position.

 

 

 

 

 

Ditto

2

Is the corona wire dirty?

Yes

Clean the corona wire.

 

 

 

 

If the problem still appears

 

 

 

 

after cleaning, replace the

 

 

 

 

drum unit.

 

 

 

 

 

IV-15

Page 82
Image 82
Brother HL-1020, HL-820, HL-1040 manual Black band