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(2) Releasing optical system lock
Remove the 2nd/3rd mirror unit locks.
Remove the screws securing the 2nd/3rd mirrors on the left side of
the machine.
(3) Setting fusing unit
A. Remove the fusing unit.
a. Lifting the paper exit knob, open the paper exit. Then, remove the
front cabinet band on the left side of the front cabinet.
b. Remove the screw securing the fusing unit.
c. Holding the rotating knob of the fusing unit, remove the fusing unit
carefully pressing the front cabinet. At this time, use caution not to
let the guide pin at the bottom of the fusing unit contact the front
cabinet rib. Then, holding the carrier strap of the fusing unit,
remove the fusing unit.
B. Pressuring heat roller
Move the pressuring levers at the front and rear sides of the fusing
unit as shown in the figure below. This applies pressure on the upper
and lower heat rollers.
C. Installing cleaning roller
a. Remove the screw securing the fusing cover. Slide the fusing
cover toward you to remove it.
b. Remove the CL springs secured by tape onto the front and rear
sides of the fusing unit.
Note: Make sure to remove fixing tape carefully and thoroughly.
c. Pass the cleaning roller through the round hole in the rear side of
the fusing unit. Insert the cleaning roller through the front round
hole. Then, position the bearings of the cleaning rollers at both the
front side and the rear side.
Mirror unit fixing screw
Front cabinet band
Carrier strap
Front cabinet band
Paper exit area
Fixing screw
Roller rotation knob
Front cabinet
Fusing unit
Rib
Guide pin
Rear side
Pressing lever
Front side
Pressing lever
Fixing screw
Fusing cover
Fusing unit
Rear side
CL spring
Front side
CL spring fixing tape
CL spring
CL spring fixing tape
Fusing unit
Front side round hole
Bearing
Cleaning roller
Bearing
Rear side round hole
5 – 6