Canon iR1200 Series, Service Manual

Page: 60 / 494

Chapter 1
1-42
Whenever possible, keep the drum unit intact with the developing unit. If you must separate the drum unit and the
developing unit as when checking image faults, be sure to keep it in a protective bag to prevent damage to the drum
surface.
l. Be sure to use the drum shutter stopper as replacing the drum unit.
m. Use the packaging box of the new drum unit if available.
1.1.4.6
Cleaning the White Roller (ADF)
0006-3094
If the backs of originals tend to become soiled, clean the white roller as follows:
1) Open the ADF, and clean the bottom of the white roller with a cloth moistened with water (and wrung well). If
the dirt is excessive, use alcohol with lint-free paper. Be sure to dry wipe it with a cloth or lint-free paper thereafter.
2) Press the Additional Functions key, and hold down the Right Arrow or Left Arrow key until the LCD indicates
'6.ADJUST/CLEAN'.
3) Press the OK key.
4) Hold down the Right Arrow key or the Left Arrow key until the LCD indicates '2.CLEAN ADF ROLLER'.
5) Press the OK key.
6) When the LCD indicates 'START CLEAN : [SET]', press the OK key. In response, the white roller makes a 120
deg turn.
7) Wipe the bottom of the white roller with a cloth moistened with water (and wrung well); then, dry wipe it.
8) Repeat steps 6) and 7) to clean the entire surface of the white roller.
9) Press the Stop key to end.
1.1.4.7 Other Cleaning
0006-3095
If images tend to become soiled, advise the user to clean the following as needed.
T-1-38
1.1.5 Safety
1.1.5.1 Safety of the Laser Scanner Unit
0006-2781
The radiation from a laser until can be harmful to the human body. The machine's laser scanner unit is sealed by
means of a protective housing and external covers, so that the light
it produces will not escape outside, ensuring the safety of the user as long as the machine is used under normal
conditions.
No. Part Instructions
1 White plate Wipe it with a cloth moistened with water (and
wrung well); then, dry wipe it.