Removing The Pre-Exposure Lamp; Removing The Left Cover; Removing The Laser Unit - Canon iR3570 Service Manual

7.12.4.8 Removing the Pre-Exposure Lamp

iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N /
/ iR4570N / iR2230 / / / iR3530 /
1) Open the 2 wire saddles [1], and disconnect the 2 relay connectors [2].
2) While freeing the lock [1] toward the right, detach the pre-exposure lamp
[2].

7.12.4.9 Removing the Left Cover

iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N /
/ iR4570N / iR2230 / / / iR3530 /
1) Remove the 4 screws [1], and detach the left cover [2].
F-7-112
F-7-113
F-7-114
F-7-115
[2]
[1]
0007-8391
[1]

7.12.4.10 Removing the Laser Unit

iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N /
/ iR4570N / iR2230 / / / iR3530 /
1) Open the 2 wire saddles [1], and disconnect the 2 connectors [2].
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 resis-
tor. 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].
0007-8392
[1]
F-7-116
F-7-117
F-7-118
Chapter 7
0007-8393
7-25