Service manual

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 TROUBLESHOOTING
98.05.15
T- 6 0
C0F02
C0FE2 to C0FFE
(14) C0F02: Original size detection error (Defective CPU)
C0FE2 to C0FFE: Original Size Detecting Sensor failure
Symbol Name
PC113
PC114
PC115
PC116
UN2
PWB-A
Original Size Detecting Sensor FD2
Original Size Detecting Sensor CD1
Original Size Detecting Sensor FD3
Original Size Detecting Sensor CD2
Original Size Detecting Board
Master Board
Step Check Item Result Action
1
Is the jumper connector fitted prop-
erly across J1 and J2 on UN2?
NO
•
Change the position of the
jumper connector.
2
Is PJ21 (CN2) plugged securely
into UN2 and PJ24A into PWB-A?
NO
•
Plug them in securely.
3
Does the LED of I/O port check
PWB-A (IC5A) PA3 blink after the
Power Switch has been turned ON?
YES
•
Change PWB-A.
NO
•
Change UN2.
Step Check Item Result Action
1
Is the jumper connector fitted prop-
erly across J1 and J2 on UN2?
NO
•
Change the position of the
jumper connector.
2
Is each Original Size Detecting
Sensor installed at the correct posi-
tion?
NO
•
Reinstall.
3
Is the malfunction code redisplayed
after the corresponding Original
Size Detecting Sensor has been
changed?
YES
•
Change UN2 or PWB-A.
1174C21TAA