Engine Sc Code Descriptions - Ricoh D127 Field Service Manual

6. Troubleshooting

Engine SC Code Descriptions

No.
Definition
Exposure Lamp Error
The scanner has scanned the white
101 B
plate, but cannot detect the certain white
level.
Scanner home position error 1
The scanner home position sensor does
120 B
not detect the scanner leaving the home
position.
Scanner home position error 2
The scanner home position sensor does
121 B
not detect the scanner coming back to
the home position.
Black level correction error
The automatic adjustment has failed to
141 B
correct a current black level to the
certain level.
158
Symptom Possible Cause
• Defective exposure lamp
• Defective exposure lamp stabilizer
• Defective power source harness
• Defective signal harness
• High-voltage cable leak
• Defective darkness starting
characteristic
• Defective scanner home position
sensor
• Defective scanner home position
sensor harness
• Defective scanner motor drive
• Defective scanner motor
• Defective scanner home position
sensor
• Defective scanner home position
sensor harness
• Defective scanner motor drive
• Defective scanner motor
• Defective SBU board
• Defective relevant harness