Electrical System - Canon DADF-B1 Service Manual

CHAPTER 5 TOROUBLESHOOTING
B. Electrical System
1 When Replacing the Major Parts
Major parts
ADF controller PCB
Last original sensor (U504)
Original set sensor (U503)
Pre-registration sensor (U502)
Reversal outlet sensor (U505)
Original width detecting volume (U508)
2 EEPROM Initialization
1) Remove the ADF controller cover, and
shift bits 4, 5, and 6 of the DIP switch
(DSW1) on the ADF controller PCB to
ON.
2) Open the pickup unit cover.
Figure 5-107
5-4
COPYRIGHT © 1999 CANON INC.
1. EEPROM initialization
2. Original tray width adjustment
(A/B-configuration, inch-configuration)
3. Sensor level adjustment
4. Registration position adjustment
5. Duplexing registration adjustment
1. Sensor level adjustment
1. Original pickup tray width adjustment
Table 5-103
3) While holding down the push switch, turn
4) Check to make sure that LED2 is on.
5) Close the pickup unit cover, and shift all
6) Turn off the copier; then, turn it on once
ON
If you have replaced the ADF controller
PCB once again, be user to initialize the
EEPROM first.
CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Work
off and then on the copier.
This will initialize the backup data of the
EEPROM.
bits of the DIP switch (DSW1) to OFF.
again.
Caution: