Brother International 9840CDW Users Manual - English - Page 191

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Troubleshooting and routine maintenance CAUTION DO NOT use flammable substances near the machine. DO NOT use any type of spray to clean the inside or outside of the machine. Doing this may cause a fire or electrical shock. Refer to Routine maintenance on page 152 for how to clean the machine. d Clean the corona wires as follows. 1 Push to release the latches of the white corona wire cover (1), and then open the cover. 1 CAUTION Be sure to return the tab to the home position (b) (1). If you do not, printed pages may have a vertical stripe. 3 Close the corona wire cover. C 1 2 1 2 2 Clean the corona wire inside the drum unit by gently sliding the green tab from left to right and right to left several times. 4 Repeat step 1 through step 3 to clean each of the remaining three corona wires. e Unpack the new toner cartridge. Hold the cartridge level with both hands and gently rock it from side to side five or six times to spread the toner evenly inside the cartridge. 1 175

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Troubleshooting and routine maintenance
175
C
CAUTION
DO NOT use flammable substances near
the machine. DO NOT use any type of
spray to clean the inside or outside of the
machine. Doing this may cause a fire or
electrical shock. Refer to
Routine
maintenance
on page 152 for how to clean
the machine.
d
Clean the corona wires as follows.
1
Push to release the latches of the
white corona wire cover (1), and
then open the cover.
2
Clean the corona wire inside the
drum unit by gently sliding the
green tab from left to right and right
to left several times.
CAUTION
Be sure to return the tab to the home
position (
b
) (1). If you do not, printed pages
may have a vertical stripe.
3
Close the corona wire cover.
4
Repeat step
1
through step
3
to
clean each of the remaining three
corona wires.
e
Unpack the new toner cartridge. Hold
the cartridge level with both hands and
gently rock it from side to side five or six
times to spread the toner evenly inside
the cartridge.
1
1
2
1
1
2