Specifications

COPYRIGHT
©
1999 CANON INC. CANON SUPER G3 FAX BOARD-F1 REV.0 MAY 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
2-79
CHAPTER 2 OPERATION AND TIMING
B. Variable Resistors (VR), Light-Emitting Diodes (LED), and
Check Pins by PCB
Of the VRs and LEDs, and check pins used on the FAX Board, those needed for servicing in the
field are discussed.
Caution:
1. Some of the LEDs hold current and emit dim light. This is a normal condition, and must be
kept in mind.
2. VRs that may be used in the field:
VRs that must not be used in the field:
Caution:
Do not touch any of the VRs or check pins not discussed herein. They are for factory use only,
and require special tools and instruments for high accuracy.