Parts Replacement Procedure; Laser Scanner Unit; Removing The Front Cover Unit; Removing The Laser Unit - Canon iR4570 Series Service Manual

Chapter 6
6.4
Parts
Procedure

6.4.1 Laser Scanner Unit

6.4.1.1 Removing the Front
Cover Unit
iR2270 / iR2870 / iR3570 / iR4570
1) Open the front cover [1].
2) Remove the face cover rubber [1].
3) Remove the binding screw [2].
4) Remove the RS tightening screw [3].
5) Detach the front cover unit [4] by moving it in the
direction of the arrow.
F-6-10
6.4.1.2 Removing the Left
Cover
iR2270 / iR2870 / iR3570 / iR4570
6-12
Replacement
0007-8348
F-6-9
0007-8349
1) Remove the 4 screws [1], and detach the left cover
[2].
[2]
[1]
[1]
[1]
F-6-11
6.4.1.3 Removing the Laser
Unit
iR2270 / iR2870 / iR3570 / iR4570
1) Open the 2 wire saddles [1], and disconnect the 2
connectors [2].
F-6-12
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
0007-8350