Service manual

254
SEP 2006
Ver. 1.1
DP-8020E/8020P/8016P
2. Check Output
Press the "START" key to start, and press the "STOP" key to reset.
F4 Mode (Output Check)
No. Item Function Remark
040 Total Counter When SPC PCB CN715-8 signal
level changes to 0V from +24V,
count up the Total Counter.
041-
049
Not Used
050 Main Motor When SPC PCB CN723-2 signal
level changes to 0V from +5V, the
Main Motor activates.
051 Toner Bottle Motor Rotation In
Forward Direction
When SPC PCB CN720-16 signal
level changes to 0V from +24V, the
Motor rotates in the forward
direction.
052 Toner Screw Motor When SPC PCB CN720-18 signal
level changes to 0V from +24V, the
Clutch activates.
053 Power Supply Fan When SPC PCB CN704-9,10,
CN709-16 are 24V, Power Supply
Fan rotates high-speed.
054-
055
Not Used
056 Fuser Fan When SPC PCB CN709-13 is 24V,
Fuser Fan rotates.
057-
060
Not Used
061 Registration Clutch When SPC PCB CN715-2 signal
level changes to 0V from +24V,
clutch operates.
1 minute
062 Not Used
063 Paper Feed Roller Clutch
(1st Paper Tray)
When SPC PCB CN715-4 signal
level changes to 0V from +24V,
clutch operates.
1 minute
064 Lift Motor
(1st Paper Tray)
When SPC PCB CN706-2 signal
level changes to 0V from +24V,
motor rotates in the ascending
direction.
065 ADU Solenoid When SPC PCB CN728-2 signal
level changes to 0V from +24V,
solenoid operates.
1 minute
066-
069
Not Used
070 Paper Feed Roller Clutch
(2nd Paper Tray)
When CST2 PCB CN773-2 signal
level changes to 0V from +24V,
clutch operates.
1 minute
071 Lift Motor
(2nd Paper Tray)
When CST2 PCB CN774-2 signal
level changes to 0V from +24V,
motor rotates in the ascending
direction.