Sc Codes Group 1: Scanning - Ricoh B132 Service Manual

SC codes Group 1: Scanning

SC101 D Exposure lamp error
The white level peak did not
reach the prescribed threshold
when the white plate was
scanned.
Scanner home position error 1
SC120 D
The scanner home position
sensor did not detect the home
position (did not go OFF) after
the scanner moved forward 20
mm..
SC121 D Scanner home position error 2
The scanner home position
sensor did not go ON after the
scanner moved forward 1 mm
and the feeler entered the HP
sensor.
SC141 D Black level detection error
During AGC the value for black
level was not within ±2 of the
prescribed value. The copier can
reproduce monochrome, but not
color.
SC142 D White level detection error
During AGC the value for white
level was not within ±7 of the
prescribed value.
SM
SERVICE CALL CONDITIONS
• Dirty optics
• Exposure lamp defective
• Exposure lamp does not turn on
• Lamp stabilizer defective
• High voltage line leak
• Power/signal harness defective
• Scanner motor driver board defective
• Scanner motor defective
• Scanner HP sensor defective
• Harness between scanner motor and
scanner I/O board disconnected or
broken.
• Scanner motor defective
• Scanner HP sensor disconnected,
defective
• SBU defective
• Harness defective
• Exposure lamp defective
• Harness disconnected, damaged
• Dirty exposure glass, optics
• Scanner motor, drive assembly defective
• SBU board defective
4-27 B132/B200