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SC CODES
SC
Item
Detection Conditions
No.
SC620 ADF
- Timing & Condition -
communica-
After the main control board
tion error
communicates successfully
with the ARDF once, a
communication error is
detected.
SC621 Sorter
- Timing -
communica-
Just after the main switch is
tion error
turned on or while the sorter is
running
- Condition -
The main control board
detected a communication
error with the sorter main
board.
SC625 FPU
- Timing & Condition -
communica-
The scanner IPU board
tion error
detected a communication
error with the FPU while the
FPU is operating or after the
FPU completes the operation.
SC626 Paper tray unit
- Timing -
communica-
Just after the main switch is
tion error
turned on or while the paper
tray unit is running
- Condition -
The main control board
detected a communication
error with the paper tray unit.
Related
Possible Causes
SCs
• Poor connection or
damaged cable
• Defective ARDF
main board
• Defective main
control board
• Poor connection or
damaged fibre-
optic cable
• Defective sorter
main board
• Defective main
control board
• Poor connection or
damaged fibre-
optic cable
• Defective FPU
main board
• Defective scanner
IPU board
• Poor connection or
damaged cables
• Defective
CSS/bank interface
board
• Defective paper
tray unit control
board
• Defective main
control board
26
Troubleshooting Procedure
1. Check that the cable is properly connected on the ADF
main board and main control board or check if it is
damaged.
2. Replace the ARDF main board.
3. Replace the main control board.
1. Check that the fibre-optic cable is properly connected
on the sorter main board and main control board or
check if it is damaged.
2. Replace the sorter main board.
3. Replace the main control board.
1. Check that the fibre-optic cable is properly connected
on the FPU main board and main control board or
check if it is damaged.
2. Replace the FPU main board.
3. Replace the scanner IPU board.
1. Check that the cables are properly connected on the
main control board, CSS/bank interface board, and
paper tray unit control board or check if the cables are
is damaged.
2. Replace CSS/bank interface board.
3. Replace the paper tray unit control board.
4. Replace the main control board.
24 February 1999
Type
D
D
B
B
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