Reversal Motor Driver Pcb/ Belt Motor Driver Pcb; Pickup Tray Pcb; Indication Led Pcb - Canon DADF-Q1 Service Manual

4.6.4 Reversal Motor Driver PCB/ Belt Motor Driver PCB

4.6.5 Pickup Tray PCB

4.6.6 Indication LED PCB

Setting Description
Registration Roller Cleaning
If the dirt is limited,
Place 10 sheets of copy paper in the original tray, and press the push switch on the ADF
controller PCB. The operation will end automatically.
Registration Roller Cleaning
If the dirt is appreciable,
Press the push switch SW2 on the ADF controller PCB. When the registration roller starts
to rotate, clean with lint-free paper moistened with alcohol.
To stop operation, press the push switch SW2 onceagain.
Original Width Detecting Switch (SW301) Check
Press the push switch SW2 on the ADF controller PCB to start it; another press will stop
it.
Backup RAM Clear
Press the push switch SW2 on the ADF controller PCB; press the push switch SW3 five
times in succession to automatically end backup RAM clear.
J601
F-4-157
J51
F-4-158
F-4-159
SW301
J52
J55
Chapter 4
0011-7891
0011-7932
0011-7933
4-37