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
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.
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.
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
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.
Description: SBU transmission error After the SBU switches on, the BCU detects one of the following conditions on the SBU: • 1 s after power on, the SYDO signal does not go high, even after 1 retry. • 1 s after power on, the SYDO signal goes high, but the SBU ID could not be read after 3 attempts.
Causes: • SBU defective • SIOB defective • BCU defective • Harness between the SBU - SIOB is disconnected • Harness between the SIOB - BCU is disconnected • Harness between the SIOB – PSU is disconnected