Preventive
Maintenance
4-21
2) Replacement of the fuser lamp/heat roller/heat roller bearing/insulating bushing/
heat roller gear
• Conduct procedure 1and 2.
(1)Remove the screws (x 4)
(2)Remove the heat insulating cover.
Note: Either loosen pressure screws (x 2)
or install fuser shipping screws (x 2).
5
(1) (2) Remove the screws and take off the
thermistor and thermostat blocks.
(Lift the thermostat and slide to the front.)
(3)Remove the screws (x 2).
(4)Remove the roller pressure plates.
(5)Remove the heat roller.
7
• Remove the heat roller gear, bearing and
insulating bushing.
• Replace the heat roller.
Note: After reassembling and tightening the
screws of the pressure springs, check
the pressure roller for fit.
8
6
(1)Remove the springs.
1a
1b
(2)Turn the fuser lamp covers.
2a
2b
(3)Remove the fuser lamps (x2).
Note: The long one is the main fuser lamp.
(850W) Reassemble the lamp with the
rating indication in the rear.
850 W
550 W
1
2
1
5
3
1
1
2
3
4
3
2
1
2
1
1
4
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