Reader Heater (Option); Removing The Copyboard Glass - Canon iR4570 Series Service Manual

Chapter 5
[2].
F-5-83
5) Disconnect the connector [1].
6) Remove the 2 screws [2], and detach the cover [3].
7) Free the hook [4], and detach the original size
sensor [5].
[1]
[2]
F-5-84

5.4.8 Reader Heater (option)

5.4.8.1 Removing
Copyboard Glass
iR2270 / iR2870 / iR3570 / iR4570
1) Open the copyboard cover (or ADF).
2) Remove the 2 screws [1], and detach the glass
5-42
[1]
[2]
[5]
[4]
[3]
the
0007-3423
retainer [2]; then, detach the copyboard glass [3].
F-5-85
When removing the copyboard glass, take care not to
touch the following:
- glass surface
- standard white plate
The presence of dirt can cause white/black lines in the
images. If dirt is found, clean it with lint-free paper
moistened with alcohol.