Canon iR2318 series, Руководство по обслуживанию, Страница: 125 / 308

Chapter 4
4-19
4.4 Parts Replacement Procedure
4.4.1 Copyboard glass
4.4.1.1 Removing the Copyboard glass
0020-4335
1) Open the copyboard cover (or ADF).
2)Remove the copyboard glass [1].
- Screws [2] 2 pcs.
- Glass retainer [3] 1 pc.
F-4-30
4.4.1.2 Removing the ADF Reading Glass (only for ADF
equipment)
0020-4388
1) Open the ADF.
2) Remove the glass retainer [1].
- Screws [2] 2 pcs.
3) Remove the ADF reading glass [3].
F-4-31
F-4-32
4.4.2 Reader Controller PCB
4.4.2.1 Removing the Reader Controller PCB (When the
original size detection sensor is not equipped for
BOOK mode)
0020-4390
1) Remove the rear cover.
2) Remove the left cover (rear).
3) Remove the copyboard cover (When the ADF is equipped, open the
ADF).
4) Remove the small cover.
5) Disconnect the ground cable of the ADF harness (Only for the ADF
equipped).
6)Remove the ADF harness (Only for the ADF equipped).
7) Remove ther reader rear cover.
8) Remove the glass retainer.
9) Remove the copyboard glass.
When removing the copyboard glass, take care not to touch the following:
- Glass surface
- Standard white plate
Dirt on these parts can show up as white/black lines in the image. If dirt is
found, remove it with lint-free paper moistened with alcohol.
[2]
[3]
[1]
MEMO:
This machine does not require any action after replacing the document
glass.
- When removing the ADF reading glass, take care not to touch the glass
surface. Dirt on these parts can show up as white/black lines in the image.
If dirt is found, remove it with lint-free paper moistened with alcohol.
- When installing the ADF reading glass, position the cut portion [1] of the
ADF reading glass sheet at the front-left corner.
MEMO:
This machine stores adjustment values in the image processor PCB, not the
reader controller PCB. Accordingly, you need not input adjustment values
after replacing the reader controller PCB.
[3]
[2]
[1]
[1]