Canon imagePRESS C1 Service Manual - page 445
Chapter 7
7-96
F-7-177
7.14.20.4 Procedure after Replacing the Sub Hopper Unit
0014-1297
imagePRESS C1 P / imagePRESS C1 / imagePRESS C1+ (Printer) / image-
PRESS C1+
It is not filled with the toner after replacing the sub hopper unit. When turn-
ing on the power supply of the machine body, the error message 'No toner' is
displayed.
Repeat the following procedure until the error message disappears.
1) Open the toner replacement cover.
F-7-178
2) Rotate the knob of the toner retainer [1] to the right to release the lock.
3) Rotate the knob of the toner retainer [1] to the left to lock.
F-7-179
4) Close the toner replacement cover.
7.14.21 Development Unit
7.14.21.1 Preparation for Removing the Developing
Assembly
0014-0521
imagePRESS C1 P / imagePRESS C1 / imagePRESS C1+ (Printer) / image-
PRESS C1+
1) Open the front cover.
2) Remove the process unit cover.
3) Hold up the hopper unit.
4) Pull out the process unit. (page 7-83)Reference [Sliding the Processing
Unit]
7.14.21.2 Removing the Developing Assembly
0014-0524
imagePRESS C1 P / imagePRESS C1 / imagePRESS C1+ (Printer) / image-
PRESS C1+
1) Remove the developing assembly cover [1].
- 1 screw [2]
F-7-180
2) Hold the gear of the developing rotary [1], rotate the developing rotary [2]
manually counterclockwise to turn around the developing assembly to be
removed.
F-7-181
If rotating the developing rotary clockwise with the developing assembly in-
serted, the toner-blocking sheet fixed on the developing cylinder may inter-
fere with the photosensitive drum and peel off.
Be sure to rotate the developing rotary counterclockwise.
3) Stop it at the location that [A] is alignment with [B] as in the figure.
F-7-182
4) Loosen two screws [1], open two developing assembly fixed arms [2].
[2]
[1]
[1]
[1]
LOCK
UNLOCK
[3]
[2]
[1]
[1]
[2]
[A]
[B]