Removing The Laser Unit - Canon iR4570 Series Service Manual

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7.12.10.10 Removing the Laser
Unit
iR2270 / iR2870 / iR3570 / iR4570 / iR3530
1) Open the 2 wire saddles [1], and disconnect the 2
connectors [2].
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When you have disconnected the connector [1], be
sure to take care so that it will not come into contact
with the PCB that is mounted to the laser scanner unit.
(The PCB is equipped with a laser intensity
adjustment variable resistor. Contact with the PCB
can change the adjustment setting.)
2) Open the wire saddle [1], and disconnect the
connector [2].
3) Remove the screw [1], and detach the fixing [2].
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4) Lift the front of the laser unit [1], and slide it to the
front.
Chapter 7
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F-7-232
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