5-66 COPYRIGHT © 1999 CANON INC. CANON ADF FOR iR600 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 5 TROUBLESHOOTINGJ1J2J5J3 J6 J7 J8 J9 J10 J11J14IC2J13J12J4FU2FU1SW1LED2IC1SW4 SW3 SW2IV . LEDS, CHECK PINS, AND SWITCHES BY PCBOf the LEDs and check pins, those needed in the field are discussed.Caution:Do not touch the check pins not found herein. They are for the factory only, and require specialtools/instruments, and must be adjusted to high accuracy.A. ADF Conroller PCBCaution:Some LEDs emit dim light when they are off because of leakage current. This is a normal conditionand must be kept in mind.1. Arrangement of PartsFifure 5-401
