Brother Supplies. - Page 143

Troubleshooting and routine maintenance

129

B

e

Pull off the protective cover.

f

Put the new toner cartridge firmly into 
the drum unit until you hear it lock into 
place. If you put it in properly, the lock 
lever will lift automatically.

CAUTION

Make sure that you put in the toner 
cartridge properly or it may separate from 
the drum unit.

g

Clean the corona wire of the drum unit 
by gently sliding the green tab from right 
to left and left to right several times.

CAUTION

Be sure to return the green tab to the home 
position (

a

) (1). If you do not, printed pages 

may have a vertical stripe.

h

Put the drum unit and toner cartridge 
assembly back in the machine.

i

Close the front cover.

CAUTION

DO NOT turn off the machine’s power 
switch or open the front cover until the LCD 
returns to the standby state.

1