Canon PC920 Service Manual page 301

CHAPTER 11 TROUBLESHOOTING
3) Turn on the machine, and place the test sheet prepared in step 1) on the original tray.
4) Press the Copy Start key to make a copy.
5) Check to make sure that the distance L4 on the copy image indicated is 10 +2.0, -2.5 mm
(standard) or less.
11-36
Figure 11-255
L4
Figure 11-256
COPYRIGHT © 1999 CANON INC.
Copy image
L4=10 ± 2.0mm
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)