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24 February 1999
SC
Item
Detection Conditions
No.
SC191 Bar code scan
- Timing -
error
Just after the main switch is
turned on
- Condition -
The scanner IPU board
detects that the bar code
pattern scanned in is not
appropriate.
SC192 Bar code
- Timing -
number
Just after the main switch is
mismatch
turned on
- Condition -
The main control board
detects that the bar code data
scanned in does not match
the machine identification
number stored in the RAM.
SC193 IDU error
- Timing -
Just after the main switch is
turned on or during a
hardware reset
- Condition -
The IDU starts self-diagnosis
at power-on and a hardware
error was detected during this.
Related
Possible Causes
SCs
• Non-standard bar
code label
• Improper location
of bar code
• Dirty bar code
• Defective scanner
IPU board
• Defective main
control board
• Defective RAM
board
• Defective scanner
IPU board
• Defective main
control board
• Defective IDU
• Defective scanner
IPU board
5
Troubleshooting Procedure
1. Check if the bar code is damaged or scratched.
2. Clean the optics section components, such as mirrors
and lenses, and the bar code label.
3. Check if the mirrors are properly positioned on the 1st
and 2nd scanners. If the spring plate which secures the
mirrors is out of position, it causes the light axis to be
changed.
4. Replace the scanner IPU board.
5. Replace the main control board.
1. Check if the serial number stored in the RAM is correct.
NOTE:. Contact your product specialist for the detailed
procedure.
2. Check the copier's serial number and the number
defined in SP mode.
3. Garbled ROM data: Replace the NV-RAM.
4. Replace the scanner IPU board.
5. Replace the main control board.
1. Test the scanner IPU board (SP 4-904-001 and 002). If
not OK, replace the scanner IPU board.
2. Replace the IDU board.
SC CODES
Type
D
D
D
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