Ricoh J-P2 - Page 132

SC TABLE 17 January, 2003
4-10
SC No. Item Definition Possible Cause
Related
SCs
Troubleshooting Procedure Type
SC 121
(CF)
Scanner home
position error 2
• The scanner home position
sensor does not detect the
off condition during
scanning.
• Scanner PSU or SBU
defective
• Scanner motor
defective
• Harness between
scanner PSU 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 PSU and scanner motor.
3. Check the cable connection between
the SBU and HP sensor.
4. Replace the SBU or scanner PSU.
5. Replace the scanner motor.
6. Replace the HP sensor.
7. Replace the scanner wire, timing belt,
pulley, or carriage.
B
SC 122
(CF)
Scanner home
position error 3
• The scanner home position
sensor does not detect the
home position during
initialization.
• Scanner PSU or SBU
defective
• Scanner motor
defective
• Harness between
scanner PSU 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 PSU and scanner motor.
3. Check the cable connection between
the SBU and HP sensor.
4. Replace the SBU or scanner PSU.
5. Replace the scanner motor.
6. Replace the HP sensor.
7. Replace the scanner wire, timing belt,
pulley, or carriage.
B