Canon CLC 1120, Service Manual

Page: 253 / 901

COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
7-11
CHAPTER 7 PICK-UP / FEEDING SYSTEM
If you have replaced the paper level detecting VR or initialized the RAM, you must enter the
factory values recorded on the service label in service mode:
C. Detecting the Paper Size Inside the Cassette
1. Fixed-Size Type Cassette
The fixed-size cassette of each model (Table 7-202) is not equipped with a function to detect
paper size, and its size is switched by the service person as follows:
1) Change the paper guide plate inside the cassette to suit the paper size specified by the user.
2) Enter the new paper size in service mode:
Related Service Mode
ADJUST>CST-ADJ>
C1-LVOL
Use it to enter the slice level of paper volume for cassette 1
(for 50 sheets)
ADJUST>CST-ADJ> C1-HVOL Use it to enter the slice level of paper volume for cassette 1
(for 275 sheets)
ADJUST>CST-ADJ>
C2-LVOL
Use it to enter the slice level of paper volume for cassette 2
(for 50 sheets)
ADJUST>CST-ADJ> C2-HVOL Use it to enter the slice level of paper volume for cassette 2
(for 275 sheets)
ADJUST>CST-ADJ> C3-LVOL Use it to enter the slice level of paper volume for cassette 3
(for 50 sheets)
ADJUST>CST-ADJ>
C3-HVOL
Use it to enter the slice level of paper volume for cassette 3
(for 275 sheets)
Related Service Mode
OPTION>CST>
P-SZ-C1
Use it to set the paper size for cassette 1.
OPTION>CST> P-SZ-C1 Use it to set the paper size for cassette 2.
2. Universal Type Cassette
a. To detect the length of paper, the copier uses a paper length sensor consisting of two
photointerrupers.
b. To detect the width of paper, the copier uses a paper width detecting volume.
Volume 4>Chapter 7>II.A>3.b. “Detecting the Size of Paper”
Table 7-205
Cassette 2 Cassette 3
Paper length sensor PSU2/DSU3 PSU3
Paper width detecting volume VR3/DVR5 VR5
Paper size detection
Cassette