
24 February 1999
SC CODES
15
SC
No.
Item
Detection Conditions
Possible Causes
Related
SCs
Troubleshooting Procedure
Type
SC452 Transfer belt
mark detection
error
- Timing & Condition-
The main control board does
not receive the belt mark
detection signal from the
transfer belt home position
sensor for a certain period.
•
Dirty
or
damaged
belt mark
•
Belt mark out of
position
•
Defective
sensor
•
Defective I/O
control board
•
Defective
main
control board
1. Check if the transfer belt release lever is properly set.
2. Clean the belt mark if it is dirty.
3. Replace the transfer belt if a belt mark has peeled off
or is damaged.
4. Clean the transfer belt home position sensor if it is
dirty.
5. Replace the transfer belt home position sensor.
6. Replace the I/O control board.
7. Replace the main control board.
- Signals to Check -
•
Sensor: CN223-A6, TP210, or CN218-B11 on I/O
control board / CN303-B1 or TP137 on the main control
board.
D
SC456 Paper transfer
unit position
error
- Timing & Condition
•
The paper transfer home
position sensor does not
detect the paper transfer
unit moving into the
contact position or the
release position at the
correct time.
•
Defective
paper
transfer positioning
clutch
•
Defective I/O
control board
1. Replace the paper transfer H.P. sensor. (Input Check:
SP 5-803-11)
2. Replace the paper transfer positioning clutch. (Output
Check: SP 5-804-23)
3. Replace the I/O control board.
- Signals to Check -
•
H.P.: CN229-5 or TP286 on I/O control board
D
SC457 Image transfer
belt cleaning
unit position
error
- Timing & Condition
•
The belt cleaning home
position sensor does not
detect the transfer belt
cleaning unit moving into
the contact position or the
release position at the
correct time.
•
Dirty
sensor
•
Defective
sensor
•
Defective
belt
cleaning clutch
•
Defective I/O
control board
•
Defective
main
control board
1. Pull out and re-insert the image transfer belt unit.
2. Clean the belt cleaning H.P. sensor if it is dirty.
3. Replace the sensor. (Input Check: 5-803-12)
4. Replace the belt cleaning clutch. (Output Check: SP 5-
804-36)
5. Replace the I/O control board.
6. Replace the main control board.
- Signals to Check -
•
H.P.: CN202-2 or TP254 on I/O control board
D
Summary of Contents for Aficio Color 4006
Page 230: ...SP MODE TABLE 24 February 1999 4 2 4 3 SP MODE TABLE See Appendix 2 ...
Page 359: ...SC TABLE 24 February 1999 7 2 7 2 SC TABLE See APPENDIX 3 ...
Page 364: ...APPENDIX 1 TIMING CHARTS ...
Page 369: ...APPENDIX 2 SP MODE TABLE ...
Page 436: ...APPENDIX 3 SC CODE TABLE ...
Page 467: ...APPENDIX 4 RSS Remote service system ...
Page 479: ...7 A259S101 WMF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Fig 1 ...
Page 480: ...8 A259S102 WMF 1 2 3 4 5 6 7 8 10 11 12 13 14 9 Fig 2 ...
Page 481: ...9 A259S103 WMF 1 2 3 4 5 7 8 9 10 11 12 14 15 13 6 16 Fig 3 ...
Page 482: ...10 A259S151 WMF 1 2 3 4 5 7 8 10 9 6 11 12 13 14 16 17 18 19 15 Fig 4 ...
Page 483: ...11 A259S105 WMF 1 2 3 4 5 6 7 8 9 10 Fig 5 ...
Page 484: ...12 A259S106 WMF 1 2 3 4 6 7 8 9 5 Fig 6 ...
Page 485: ...13 A259S107 WMF 1 2 3 4 5 6 7 8 10 11 9 Fig 7 12 ...