Cleaning Roller - Konica Minolta 7020 Service Manual

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[4] Replacing the Fixing Web/Fixing

Cleaning Roller

a. Procedure
(1) Remove the fixing unit from the main body.
(2) Remove the fixing claw unit.
(3) Detach the connectors, remove the set screw at
the bottom and the 2 set screws (Note 1) on the
cleaning unit, and then remove the cleaning unit by
pulling it out from the fixing unit.
(4) Remove the 3 set screws and remove the 3 fixing-
web bearings. Remove the web together with the
entire shaft.
Bearing
Connectors
Set screws
Cleaning unit
Bearings
3-K-3
(5) Detach the springs from the bearings for the fixing
cleaning roller, and remove the E-ring from the
shaft. Move the shaft and take off the bearings. You
can then remove the fixing cleaning roller.
Fixing cleaning roller
Bearings
(6) Reinstall in the opposite sequence to removal.
Note 1: Tighten the setscrews of the cleaning unit
while pressing down on the cleaning unit.
Note 2:After replacing the fixing web, wind it up
3
until the end with the green line is within
0~10 mm of the nip of the fixing heat roller
and the fixing cleaning roller.
Nip
0~10mm
FIXING UNIT
Springs
Fixing heat
roller
Fixing cleaning roller
Fixing web
Green line