Description: Exposure Lamp Error At trigger on, the lamp was not detected on.
Causes: • SBU board defective • SIOB board defective • IPU board defective • BCU board defective • Exposure lamp defective • Lamp stabilizer defective • Lamp stabilizer harness damaged, disconnected • Standard white plate dirty, disconnected or has condensation • DF white belt dirty • DF glass dirty or has condensation • Scanner mirror dirty, out of position or has condensation • Lens dirty, out of position
Remedy:
Code: 120
Description: Scanner home position error 1 The scanner HP sensor does not detect the OFF condition during initialization or copying.
Causes: • BCU, SIOB defective • Scanner motor defective • Scanner HP sensor defective. • Harness between BCU, SIOB, scanner motor disconnected. • Harness between scanner HP sensor and BCU disconnected. • Scanner wire, timing belt, pulley, or carriage installed incorrectly.
Remedy:
Code: 121
Description: Scanner home position error 2 The scanner HP sensor does not detect the ON condition during initialization or copying.
Causes: • BCU, SIOB defective • Scanner motor defective • Scanner HP sensor defective • Harness between BCU, SIOB, scanner motor disconnected • Harness between scanner HP sensor and BCU disconnected • Scanner wire, timing belt, pulley or carriage installed incorrectly.
Remedy:
Code: 141
Description: Black level detection error The black level cannot be adjusted within the target during auto gain control.
Causes: • Harness between SBU – SIOB is disconnected. • Harness between SIOB – BCU is disconnected. • Defective SBU • Defective BCU
Remedy: 1. Check the SBU-SIOB/SIOB-BCU harness connections or replace these harnesses. 2. Replace the SBU. 3. Replace the BCU
Code: 142
Description: White level detection error The white level cannot be adjusted to the second target level within the target during auto gain control.
Remedy: 1. Clean the exposure glass, white plate, mirrors, and lens. 2. Check if the exposure lamp is lit during initialization. 3. Check the harness connection. 4. Replace the exposure lamp. 5. Replace the scanner motor. 6. Replace the SBU board, SIOB, IPU board or BCU board.
Code: 143
Description: SBU auto gain error The white level cannot be adjusted to the first target level within the target during auto gain control.
Causes: • SBU board defective • SIOB board defective • IPU board defective • BCU board defective • Scanner motor defective • Exposure lamp defective • Exposure lamp stabilizer defective • Harness between exposure lamp and lamp stabilizer is disconnected • Harness between lamp stabilizer – SIOB is disconnected • Harness between SBU - SIOB is disconnected • Harness between SIOB - BCU is disconnected • Harness between SBU – IPU is disconnected • Harness between IPU - BCU is disconnected • White plate is installed incorrectly or is dirty • Scanning mirrors of the exposure unit are dirty or out of position