Ricoh MPC1800

• Code: 101-001
• Description: Exposure lamp error Shading at AGC
  The shading data peak does not reach the specified threshold (64/255 degit) when the machine executes the shading at initialization.
• Causes: • Defective exposure lamp • Defective lamp stabilizer • Defective exposure lamp harness
• Remedy: 1. Replace the exposure lamp. 2. Replace the lamp stabilizer. 3. Replace the exposure lamp harness.

• Code: 101-002
• Description: Exposure lamp error Shading at scanning
  The shading data peak does not reach the specified threshold (64/255 degit) when the machine executes the shading at scanning.
• Causes: • Defective exposure lamp • Defective lamp stabilizer • Defective exposure lamp harness
• Remedy: 1. Replace the exposure lamp. 2. Replace the lamp stabilizer. 3. Replace the exposure lamp harness.

• Code: 120
• Description: Scanner home position error 1
  The scanner home position sensor does not detect the “OFF” condition during operation.
• Causes: • Defective scanner motor drive board • Defective scanner motor • Defective home position sensor • Defective harness
• Remedy: 1. Replace the scanner motor drive board. 2. Replace the scanner motor. 3. Replace the scanner HP sensor. 4. Replace the harness.

• Code: 121
• Description: Scanner home position error 2
  The scanner home position sensor does not detect the “ON” condition during operation
• Causes: • Defective scanner motor drive board • Defective scanner motor • Defective home position sensor • Defective harness
• Remedy: 1. Replace the scanner motor drive board. 2. Replace the scanner motor. 3. Replace the scanner HP sensor. 4. Replace the harness.

• Code: 141
• Description: Black level detection error
  The black level cannot be adjusted within the target value during the zero clamp after the AGC.
• Causes: • Defective SBU • Defective harness
• Remedy: 1. Replace the harness. 2. Replace the SBU. 3. Replace the BICU.

• Code: 142
• Description: White level detection error
  The white level cannot be adjusted within the target value during the zero clamp after the AGC.
• Causes: • Defective SBU • Defective harness
• Remedy: 1. Replace the exposure lamp. 2. Replace the lamp stabilizer. 3. Replace the harness. 4. Replace the SBU.. 5. Replace the BICU