DANGER
Be sure to turn the main switch off and disconnect the power plug
before any disassembly or adjustment of the laser unit. This copier
uses a class 3B laser beam with a wavelength of 780 nm and an
output of 10 mW. The laser can cause blindness if exposed to the eye.
5.1 POLYGON MOTOR REPLACEMENT
1. Lift up the scanner unit [A] (see procedure 1.11).
2. Remove the frame cover [B] (1 screw).
3. Remove all 11 screws [C].
– For 220/240 V machine only –
•
Remove 4 screws [X] for the LD shield plate and the grounding wire.
4. Swing out the counter bracket [D].
5. Disconnect the 9 connectors [E], [F], [G].
6. Remove the harness exit cover [H] (1 screw).
7. Open the three clamps securing harness [I] (2 white clamps, one black
clamp [J]).
[F]
[E]
[D]
[C]
[A]
[G]
[C]
[B]
[H]
[J]
[I]
[X]
LASER UNIT
A166/A187/A189 5-32 SM
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