Removing The Pre-Transfer Charging Assembly; Removing The Potential Sensor Assembly; Removing The Drum Unit - Canon iR6570 series Service Manual

Chapter 7
[3] [4]
If you have replaced the primary charging wire or the primary charging
assembly, be sure to execute the following in service mode to clean the
wire:
COPIER> FUNCTION> CLEANING> WIRE-CLN.
Further, be user to use a strengthened polishing pad (blue holder) as the
cleaning pad.

7.10.5.6 Removing the Pre-Transfer Charging Assembly

1) Remove the mounting screw [2], and disconnect the connector [1];
then, detach the pre-transfer assembly [3].
When you have mounted the pre-transfer charging assembly, be sure to
execute 'wire cleaning' in user mode.

7.10.5.7 Removing the Potential Sensor Assembly

Disconnect the connector [1], and remove the screw [2]; then, detach the
potential sensor assembly [3].
7-34
[1] [2]
F-7-80
0009-5592
[2] [3] [1]
F-7-81
0009-5593
[3]

7.10.5.8 Removing the Drum Unit

1) Remove the two mounting screws [1], and remove the potential
sensor rail stay [2].
[1]
2) Remove the three mounting screws [1], and detach the gear plate [2].
[2]
[1]
3) Remove the two mounting screws [1], and detach the front side stay
[2].
[1]
4) Holding it as indicated, detach the photosensitive drum [1].
[1]
[2]
F-7-82
0009-5594
[2]
[1]
F-7-83
[1]
F-7-84
[2] [1]
F-7-85