Sc Table - Ricoh J-P2 Service Manual

17 January, 2003

4.3 SC TABLE

NOTE: "CF" in the SC number column indicates a code related to the CF expander.
SC No. Item
• The standard white level is
SC 101 Exposure lamp
error
not properly detected when
(CF)
scanning the shading plate.
(The shading data peak
does not reach the specified
threshold.)
• The scanner home position
SC 120 Scanner home
position error 1
sensor does not detect the
(CF)
on condition during
scanning.
Definition Possible Cause
• Exposure lamp
defective
• Lamp stabilizer
defective
• Exposure lamp
connector defective
• Standard white plate
dirty
• Scanner mirror or
scanner lens out of
position or dirty
• SBU defective
• 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
Related
Troubleshooting Procedure
SCs
1. Turn the main switch off and on.
2. Turn the power key off and on.
3. Check and clean the scanner
mirror(s) and scanner lens.
4. Check and clean the shading plate.
5. Replace the exposure lamp.
6. Replace the lamp stabilizer.
7. Replace the scanner mirror(s) or
scanner lens.
8. Replace the SBU.
SC 121 1. Turn the main switch off and on.
and 122 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.
4-9
SC TABLE
Type
B
B