Canon iR1200 Series, Service Manual

Page: 318 / 494

Chapter 11
11-4
11.4 Cleaning
11.4.1 Outline
0006-3096
At time of a service visit, clean the items described in 4.1 "Cleaning by the User (machine)" ; then, perform the
following as needed:
Do not clean the photosensitive drum.
11.4.2
Selfoc Lens Array of the Contact Sensor
0006-3097
1. If the face of the light guide assembly becomes soiled or scratched, its optical characteristics will be affected. Do
not touch the light guide assembly.
2. The contact sensor is vulnerable to static charges. Be sure to provide measures against static damage before
touching it.
3. Be sure to fit back the spacer after the cleaning work; otherwise, the contact sensor may not work properly.
Lightly remove any dirt with a dry, soft cloth.
F-11-1
Selfoc lens array
(black)
Light guide
assembly
(translucent)
Spacer
Spacer