Changing The Density; Cleaning - Canon PC400 Service Manual

CHAPTER 1 GENERAL DESCRIPTION
F. Changing the Density
PC420/430/FC220
You have a choice of three settings for automatic density adjustment mode (AE);
switch the density if the copy is too dark or too light.
Note:
You can also switch the density among three settings in manual density adjustment
mode.
G. Cleaning
Advise the user to clean the following if the copies are soiled.
1. Copyboard Glass/Copyboard Cover
Wipe the part with a moist cloth; then, dry wipe it.
If dirt cannot be removed, wipe the part using mild detergent; then, dry wipe it.
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COPYRIGHT © 1998 CANON INC.
Density Correction Switch
Auto density
correction
Figure 1-401F
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)