Roller; Removing And Reinstalling The Fixing Heat Roller/Fixing Pressure Roller - Konica Minolta 7020 Service Manual

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FIXING UNIT
[5] Removing and Reinstalling the
Fixing Heat Roller/Fixing Pressure

Roller

a. Procedure
(1) Remove the fixing unit from the main body.
(2) Remove the fixing claw unit.
(3) Remove the fixing cleaning unit.
(4) Remove the two fixing heater lamps
(5) Remove the 2 set screws and 2 collars for the
connector that was connected to the faston
terminal. Remove the connector.
(6) Remove the 2 set screws, and remove the lamp
support piece (rear).
1
Set screws
Connector
Set screws
(7) Open the fixing guide to release the pressure.
(8) Remove the ring at the rear of the heat roller, and
then remove the gear and heat insulating sleeve A,
B.
1
Heat insulating
sleeve A
Ring
Gear
Heat
insulating
sleeve B
Heat insulating
sleeve B
(9) Remove another ring, then remove the heat
insulating sleeve A (the sleeve toward the front).
Then remove the heat roller.
Fasten terminals
Lamp support piece
(rear)
Heat roller
Heat insulating
sleeve A
solvest 240
Gear
(10) Remove the 2 fixing bearings (one at the front, one
at the rear) from the unit.
(11) Remove the pressure roller.
(12) Reinstall in the opposite sequence to removal.
Caution: Be sure that heat insulating sleeves A and
B are oriented and positioned correctly.
When replacing the heating insulating
1
sleve/A, apply solvest 240 to the inside
and outside surfaces of the heat insulation
sleeve/A and then install it.
3-K-4
Heat insulating
sleeve A
Fixing bearings
Fixing pressure
roller