Dust-Collecting Roller; Removing The Dust-Collecting Roller; Charging Wire; Outline - Canon ImageRunner iR8500 Series Service Manual

Chapter 8
Replace the potential sensor simultaneously with the potential sensor
PCB. When mounting it, be sure to fit the boss at its rear in the hole on
the rear side of the machine; then, match it on the front side, and screw
it in place.

8.9.17 Dust-Collecting Roller

8.9.17.1 Removing the Dust-Collecting Roller

iR105i/iR105+ / iR9070 / iR85+ / iR8070
1) Remove the pre-transfer charging assembly.
2) Remove the two screws [1], and detach the motor cover [2].
[2]
3) Remove the dust-collecting roller arm [3] and the twisted spring [4];
then, detach the dusts-collecting roller [5].
[5]

8.9.18 Charging Wire

8.9.18.1 Outline

iR105i/iR105+ / iR9070
As many as 3 charging wires are found around the photosensitive drum
(primary, pre-transfer, transfer/separation); these wires are 0.06 mm in
diameter.
8.9.18.2 Outline
/ iR85+ / iR8070
8-54
0007-2058
[1]
[1]
F-8-130
[4]
[3]
F-8-131
0007-2696
0008-8168
As many as 3 charging wires are found around the photosensitive drum
(primary, pre-transfer, transfer/separation); these wires are 0.06 mm in
diameter.
8.9.18.3 Removing the Wire Cleaner for the Primary
Charging Assembly
iR105i/iR105+ / iR9070
1) Remove the primary charging assembly.
2) Move the clip base [1] fully to the rear, and remove the screw [2];
then, remove the support plate [4] of the wire clean motor shaft [3],
and detach the clip base [1] from the cut-off [6] of the shielding plate
[5] together with the wire cleaner motor shaft [3].
[6]
[3]
3) Pick the wire cleaner with small pliers, and free the hook with your
fingers.
8.9.18.4 Removing the Wire Cleaner for the Primary
Charging Assembly
/ iR85+ / iR8070
1) Remove the primary charging assembly.
2) Move the clip base [1] fully to the rear, and remove the screw [2];
then, remove the support plate [4] of the wire clean motor shaft [3],
and detach the clip base [1] from the cut-off [6] of the shielding plate
[5] together with the wire cleaner motor shaft [3].
[6]
[3]
0007-2698
[1] [2] [4]
[6]
[5]
F-8-132
F-8-133
0008-8169
[1] [2] [4]
[6]
[5]
F-8-134