5-3
Troubleshooting
5. 2 Service mode
(1) F4 mode
1) Input check
c30
c31
Function
Code
No.
Message display
7 6 5 4 3 2 1 0
For FA-A355
a)ADF open / close sensor
b)Face up paper exit sensor
c)Original detecting sensor
d)ADF detecting sensor 1
e)Registration roller paper
pass sensor
f) ADF detecting sensor 2
For FA-A355
a)Original size detection
sensor 5 (Length)
b)Original size detection
sensor 4 (Length, Letter/
A4 size original detection)
c)Original size detection
sensor 3 (Width, outside)
d)Original size detection
sensor 2 (Width, middle)
e)Original size detection
sensor 1 (inside)
Condition
ADF is closed.
Original is not detected.
Original is not detected.
ADF is installed.
Original is not detected.
ADF is installed.
Sensor is ON.
Sensor is ON.
Sensor is ON.
Sensor is ON.
Sensor is ON.
c164
c171
c174
c175
Item
Code
No.
Paper feed motor foward rotation
Paper feed solenoid
Paper exit speed selection clutch
Paper registration roller clutch
Function
The motor rotates forward.
The solenoid operates.
The clutch operates.
The clutch oprates.
2) Output check
Press the Start key to start and press the Clear key to reset.