SC TABLE
B147/B149/B190 4-12
SM
SC No.
Item
Definition
Possible Cause
Related
SCs
Troubleshooting Procedure
Type
SC 121 Scanner home
position error 2
•
The scanner home position
sensor does not detect the
off condition during
scanning.
•
Scanner I/O board or
SBU defective
•
Scanner motor
defective
•
Harness between
scanner I/O board
and scanner motor
disconnected
•
Scanner HP sensor
defective
•
Harness between
SBU and HP sensor
disconnected
•
Scanner wire, timing
belt, pulley, or
carriage defective
SC 120
and 122
1. Turn the main switch off and on.
2. Check the cable connection between
the scanner I/O board and scanner
motor.
3. Check the cable connection between
the SBU and HP sensor.
4. Replace the SBU or scanner I/O
board.
5. Replace the scanner motor.
6. Replace the HP sensor.
7. Replace the scanner wire, timing belt,
pulley, or carriage.
D
SC 122 Scanner home
position error 3
•
The scanner home position
sensor does not detect the
home position during
initialization.
•
Scanner I/O board or
SBU defective
•
Scanner motor
defective
•
Harness between
scanner I/O board
and scanner motor
disconnected
•
Scanner HP sensor
defective
•
Harness between
SBU and HP sensor
disconnected
•
Scanner wire, timing
belt, pulley, or
carriage defective
SC 120
and 121
1. Turn the main switch off and on.
2. Check the cable connection between
the scanner I/O board and scanner
motor.
3. Check the cable connection between
the SBU and HP sensor.
4. Replace the SBU or scanner I/O
board.
5. Replace the scanner motor.
6. Replace the HP sensor.
7. Replace the scanner wire, timing belt,
pulley, or carriage.
D
Summary of Contents for B147
Page 1: ...B147 B149 B190 SERVICE MANUAL 001892MIUMIU RICOH GROUP COMPANIES...
Page 2: ......
Page 3: ...B147 B149 B190 SERVICE MANUAL RICOH GROUP COMPANIES...
Page 4: ......
Page 5: ...B147 B149 B190 SERVICE MANUAL 001892MIU...
Page 6: ......
Page 8: ......
Page 10: ......
Page 12: ......
Page 26: ......
Page 30: ......
Page 32: ......
Page 33: ...INSTALLATION...
Page 34: ......
Page 105: ...PREVENTIVE MAINTENANCE...
Page 106: ......
Page 112: ......
Page 113: ...REPLACEMENT AND ADJUSTMENT...
Page 114: ......
Page 201: ...TROUBLESHOOTING...
Page 202: ......
Page 287: ...SERVICE TABLES...
Page 288: ......
Page 456: ......
Page 457: ...DETAILED DESCRIPTIONS...
Page 458: ......
Page 589: ...SPECIFICATIONS...
Page 590: ......
Page 607: ...AUTO REVERSE DOCUMENT FEEDER B597...
Page 608: ......
Page 610: ......
Page 634: ......
Page 635: ...ONE TRAY PAPER FEED UNIT B601...
Page 636: ......
Page 638: ......
Page 647: ...TWO TRAY PAPER FEED UNIT B598...
Page 648: ......
Page 650: ......
Page 659: ...LARGE CAPACITY TRAY B600...
Page 660: ......
Page 662: ......
Page 680: ......
Page 681: ...TWO TRAY FINISHER B599...
Page 682: ......
Page 714: ......
Page 715: ...BOOKLET FINISHER B602...
Page 716: ......
Page 720: ......
Page 729: ...STAPLER UNIT SM 9 B602 Booklet Fin isher B602 13 Timing belt A 14 Gear B x 1 B602R920 WMF A B...
Page 791: ...FAX OPTION TYPE 2238 B603...
Page 792: ......
Page 902: ......
Page 903: ...INTERNET FAX IFAX...
Page 904: ......
Page 950: ......
Page 951: ...DataOverwriteSecurity Unit Type A B694 01 Type B B692 01...
Page 952: ......
Page 954: ......
Page 958: ......
Page 980: ...TECHNICAL SERVICE BULLETINS...
Page 1066: ...FIRMWARE HISTORY...