2.9.5 Replacing the fusing roller
PM cycle: Clean the fusing roller every
200K. Replace the fusing roller and heat
insulating bushings every 400K.
Replace the bearings and two spacers
every 800K.
Every 400K lubricate the drive gear with
Mobil Temp. 78 and heat insulating
bushings with Barrierta L55/2 (P/N
A0289300).
1. Remove the fusing unit from the guide rails.
2. Remove the fusing heater.
3. Open the fusing right cover, and remove the front
and rear pressure lever fixing screws from the right
side of the unit.
4. Pull down the front and rear pressure levers to
release the roller pressure.
5. Remove the upper fusing unit (2 screws each,
front and rear).
6. Remove the fusing roller.
7. Remove the C-rings from the fusing roller shaft
and pull out the shaft.
8. Replace the fusing roller, heat insulating bushings,
bearings, and two spacers beside the fusing roller
as required.
9. Reassemble in the reverse order.
CAUTION
• Do not lose the parallel key in the drive gear.
• Face the milled part of the spacers to the
inside of the roller.
• When you remove the fusing roller, clean
the thermistor with alcohol and oil drain in
the front side of the oil pan.
NOTE
• Clean the fusing and pressure rollers surface
with a soft dry cloth.
• Clean the drive gear of the fusing roller every
400K and lubricate with Mobil Temp. 78.
• Lubricate the inside surface and both edges of
the heat insulating bushings with Barrierta
L55/2 (P/N A0289300) when they are replaced.
• When the fusing roller is removed, clean the oil
pan and its oil drains using a dry cloth.
Upper fusing unit
Pressure cover
Pressure lever
fixing screw
Fusing right cover
Fusing roller
Spacer
Heat
insulating
bushing
Parallel key
Spacer
Heat
insulating
bushing
Oil pan
Oil drain
Oil exit
Oil receiver
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