Making Adjustments Following Replacement Of Key Parts; Overview; Tray Width Detection Variable Resistor Adjustment Mode - Canon DADF-H1 Service Manual

1.2 Making Adjustments Following Replacement of Key Parts

1.2.1 Overview

Key part
• ADF controller PCB
• Document width detection
variable resistor (VR)

1.2.2 Tray width detection variable resistor adjustment mode

Perform this adjustment when the following parts have been replaced:
• ADF controller PCB
• Document width detection variable re-
sistor
[Operating procedure]
1) Detach the rear cover.
2) Set the DIP switch (DSW1) on the ADF
controller PCB as illustrated and press
the push switch (PSW1) to let the ADF
into tray width detection variable resis-
tor adjustment mode.
Perform 1 for the AB system, 2 for the
inch system, or either 1 or 2 for the AB/
inch system.
COPYRIGHT © 2001 CANON INC.
Action
[1] Scanning speed adjustment
[2] Leading registration adjustment
[3] Tray width detection variable resis-
tor adjustment
[1] Tray width detection variable resis-
tor adjustment
T05-102-01
2000 2000 2000 2000 CANON DADF-H1 REV.0 MAR. 2001
CHAPTER 5 TROUBLESHOOTING
P.5-11
P.5-16
P.5-23
P.5-23
LED2
LED1
DSW1
PSW1
1. AB system
2. INCH system
F05-102-01
Reference page
LED4
LED3
5-17