Service manual

255
SEP 2006
Ver. 1.1
DP-8020E/8020P/8016P
072 Intermediate Roller Clutch
(2nd Paper Tray)
When CST2 PCB CN773-4 signal
level changes to 0V from +24V,
clutch operates.
1 minute
073-
074
Not Used
075 Paper Feed Motor
(3rd Paper Tray)
When CST3 PCB CN805-4 signal
level changes to 0V from +5V,
activate the Motor.
076 Paper Feed Roller Clutch
(3rd Paper Tray)
When CST3 PCB CN806-2 signal
level changes to 0V from +24V,
clutch operates.
1 minute
077 Lift Motor
(3rd Paper Tray)
When CST3 PCB CN804-2 signal
level changes to 0V from +24V,
motor rotates in the ascending
direction.
078 Intermediate Roller Clutch
(3rd Paper Tray)
When CST3 PCB CN806-4 signal
level changes to 0V from +24V,
clutch operates.
1 minute
079 Not Used
080 Paper Feed Roller Clutch
(4th Paper Tray)
When CST2 PCB CN773-2 signal
level changes to 0V from +24V,
clutch operates.
1 minute
081 Lift Motor
(4th Paper Tray)
When CST2 PCB CN774-2 signal
level changes to 0V from +24V,
motor rotates in the ascending
direction.
082 Intermediate Roller Clutch
(4th Paper Tray)
When CST2 PCB CN773-4 signal
level changes to 0V from +24V,
clutch operates.
1 minute
083-
084
Not Used
085 Paper Feed Roller Solenoid
(Sheet Bypass)
When SPC PCB CN715-6 signal
level changes to 0V from +24V,
solenoid operates.
1 minute
086-
119
Not Used
120 Lamp When SPC PCB CN656-3 signal
level changes to +5V from 0V, Lamp
operates.
121-
159
Not Used
160 ADF Paper Feed Motor Rotating
(35% speed rotating)
ADF paper feed motor rotates at
35% speed.
161 ADF Paper Feed Motor Rotating
(100% speed rotating)
ADF paper feed motor rotates at
100% speed.
162 ADF Paper Feed Motor Rotating
(200% speed rotating)
ADF paper feed motor rotates at
200% speed.
163 ADF Paper Feed Motor Reverse
Rotating
(35% speed rotating)
ADF paper feed motor rotates in
reverse at 35% speed.
F4 Mode (Output Check)
No. Item Function Remark