63
UF-9000
JUN 2004
Ver. 2.0
DP-180/190
4.1.3. F4 Mode: Input/Output Status Test
Set the machine to service mode and press "4" key on the Keypad.
↓
Press the "START" key.
↓
Select “1:Check Input“ or “2:Check Output“ to activate the test then press "START" key.
↓
Press "STOP" key to cancel the test.
↓
When the “CLEAR” key is pressed, the selected code input will not be accepted.
↓
Press “FUNCTION” and “CLEAR” keys simultaneously to exit the service mode.
1. Check Input 
2. Check Output 
Press the "START" key to start and press the "STOP" key to reset.
F4 Mode (Check Input)
No. Function Condition
Message Display
Remarks
76543210
021 Home Position Sensor Home position is 
detected.
1
ADF Cover Open Sensor ADF Cover is open. 1
F4 Mode (Check Output)
No. Item Function Remark
120 Lamp When SPC PCB P103-8, Inverter 
CN1-2 signal level changes to 0V 
from Open, Lamp operates.
The CCD / Inverter shall be 
replaced as the Assembly