Description: Exposure lamp error
• The standard white level is not correctly detected when scanning the shading plate. (The shading data peak does not reach the specified threshold)
Causes: • 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
Code: 120
Description: Scanner home position error 1
• The scanner home position sensor does not detect the -on“ condition during scanning.
Causes: • Scanner I/O board or SBU defective • Scanner motor defective • Harness between scanner I/O board and scanner motor disconnected • Scanner HP sensor defective • Harness between SBU and HP sensor disconnected • Scanner wire, timing belt, pulley, or carriage defective
Code: 121
Description: Scanner home position error 2
• The scanner home position sensor does not detect the off“ condition during scanning.
Causes: • Scanner I/O board or SBU defective • Scanner motor defective • Harness between scanner I/O board and scanner motor disconnected • Scanner HP sensor defective • Harness between SBU and HP sensor disconnected • Scanner wire, timing belt, pulley, or carriage defective
Code: 141-001
Description: Black level detection error
• The black level cannot be adjusted within the target value during the zero clamp after the home position detection.
Causes: • Defective SBU
Code: 141-002
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
Code: 142
Description: White level detection error
• The white level cannot be adjusted within the target during auto gain control.