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4. Optical system
4-1. Copy lamp replacement
1 Open the body up. Release the lock lever of the manual paper
feed unit and remove the manual paper feed unit.
2 Remove the fixing screws (2 pcs.) in the right upper cabinet, and
remove the right upper cabinet.
3 Remove the fixing screws (4 pcs.) of the glass holder, and remove
the glass holder.
4 Remove the table glass.
5 While pushing the copy lamp electrode in the rear frame, remove
the copy lamp.
For assembly, reverse the disassembly procedure.
Note: Be careful to the direction of the copy lamp installation.
4-2. Copy lamp unit replacement
1 Remove the manual paper feed unit, the right upper cabinet, the
glass holder, the table glass, and the operation panel.
2 Move the copy lamp unit to the frame notch (refer to the figure).
3 Remove the terminal section of the copy lamp lead wire. (One
screw and insertion terminal)
4 Loosen the fixing screw of the front and the rear frame wire, fixing
plate and remove the wire from the copy lamp unit.
5 Slide the whole unit forward, and remove the rear frame side
upwards.
For assembly, reverse the disassembly procedures.
Note: When the copy lamp unit is removed, the position adjustment
must be required when attaching again. Refer to the adjust-
ment item for the work.
4-3. Mirror base drive wire replacement
<Removal>
1 Remove the manual paper feed unit, the right upper cabinet, the
glass holder, the table glass and the operation panel.
2 Remove the fixing screws (2 pcs.) of the left upper cabinet, and
slide to the rear frame side to remove the cabinet.
3 Loosen the fixing screw of the copy lamp unit wire fixing plate, and
remove the wire from the unit.
4 Remove the tension spring (
drive wire in the paper exit side from the hook section.
5 Slightly shift the mirror base to the paper feed side, and remove
the terminal
1
of the mirror base drive wire.
6 Remove the wire fixing screw of the drive pulley.
<Installation>
1 Set the mirror base to the positioning plate position.
2 Set the terminal side of the mirror base drive wire on the hook
section
1
, turn the mirror base pulley
around the drive pulley from the above.
3 Wind the wire 8 turns from the outside to the inside of the drive
pulley, and put the 7th turn into the groove, and fix it with a screw
temporarily.
4 Pass the wire under the mirror base and wind around the paper
exit pulley (the larger one).
5 Pass the wire to the inside of the mirror base pulley, and pass
through the paper exit pulley (the smaller one), then fix the tension
spring to the hook section
6 Check that the mirror base is in contact with the positioning plate,
and tighten the wire fixing screw of the drive pulley.
6 – 9
Wire fixing screw
in the figure) of the mirror base
7
2
outside to wind the wire
7
.
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