Canon iR4570 Series, Service Manual

Page: 547 / 876

Chapter 10
10-41
F-10-115
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].
F-10-116
3) Remove the screw [1], and detach the fixing [2].
F-10-117
4) Lift the front of the laser unit [1], and slide it to the
front.
F-10-118
When sliding out the laser scanner unit, be sure to take
care not to touch the PCB mounted to the laser scanner
unit. (The PCB is equipped with a laser scanner
intensity adjustment variable resistor, and contact
with the PCB can change the adjustment setting.)
10.5.12.11 Removing the
Hopper Assembly
0007-8411
iR2270 / iR2870 / iR3570 / iR4570
1) Remove the inside base cover [1] and the inside
right color [2].