• Code: 101
• Description: Exposure lamp error 1
  The standard white level was not detected properly when scanning the white plate.
• 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: 102
• Description: Exposure lamp error 2
  The exposure lamp was on longer than the allowed time (3 min.) after scanning of the originals was completed.
• Causes: • SBCU defective • IPU defective • Controller board defective

• Code: 120
• Description: Scanner home position error 1
  The scanner home position sensor does not detect the on condition during initialization or copying.
• Causes: • Scanner motor defective • Scanner motor drive board defective • Scanner HP sensor defective • Harness between SBCU and HP sensor loose, disconnected, damaged • Harness between SBCU and scanner motor loose, disconnected, damaged • SBCU defective • 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 initialization.
• Causes: • Scanner motor defective • Scanner motor drive board defective • Scanner HP sensor defective • Harness between SBCU and HP sensor loose, disconnected, damaged • Harness between SBCU and scanner motor loose, disconnected, damaged • SBCU defective • Scanner wire, timing belt, pulley, or carriage defective

• Code: 122
• Description: Scanner HP Sensor - Error 1
  The HP sensor remains on while the carriage is returning to the home position.
• Causes: • Scanner motor defective • Scanner motor drive board defective • Scanner HP sensor defective • Harness between SBCU and HP sensor loose, disconnected, damaged • Harness between SBCU and scanner motor loose, disconnected, damaged • SBCU defective • Scanner wire, timing belt, pulley, or carriage defective

• Code: 123
• Description: Scanner HP sensor - Error 2
  The HP sensor does not switch on after the carriage has returned to the home position.
• Causes: • Scanner motor defective • Scanner motor drive board defective • Scanner HP sensor defective • Harness between SBCU and HP sensor loose, disconnected, damaged • Harness between SBCU and scanner motor loose, disconnected, damaged • SBCU defective • Scanner wire, timing belt, pulley, or carriage defective

• Code: 141
• Description: Black offset correction error
  Black offset could not be corrected after SP4800 was done.
• Causes: • Lens block defective • SBCU defective

• Code: 143
• Description: SBU auto adjust error
  The machine could not acquire the white or black peak level setting at power on, or after SP4428 (SBU Auto Adjust) was done.
• Causes: • Exposure lamp disconnected • There is no blank sheet of A3 size paper on the platen • White plate dirty or missing