Description: Exposure lamp error -001: Shading at AGC -002: Shading at scanning • 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: 120
Description: Scanner home position error 1 The scanner home position sensor does not detect the “OFF” condition during initialization or copying.
Causes: SIB or scanner drive motor defective • Scanner motor defective • Harness between SIB and scanner drive motor disconnected • Harness between SIB and scanner drive motor power source disconnected • Scanner HP sensor defective • Harness between SIB 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 “ON” condition during initialization or copying.
Causes: • SIB or scanner motor drive board defective • Scanner motor defective • Harness between SIB and scanner drive motor disconnected • Harness between SIB and scanner drive motor power source disconnected • Scanner HP sensor defective • Harness between SIB and scanner HP sensor disconnected • Scanner wire, timing belt, pulley, or carriage defective
Code: 141
Description: Black level detection error The black level cannot be adjusted within the target value during the zero clamp.
Causes: • Defective SBU
Code: 142
Description: White level detection error The white level cannot be adjusted within the target during auto gain control.
Description: SBU auto adjust error One of the following occurred: • When the machine was powered on, automatic adjustment of the SBU failed. • Automatic white density adjustment failed when reading standard white plate.
Causes: • Exposure lamp defective • Lamp stabilizer defective • Lamp stabilizer connection loose, disconnected or damaged • White plate mounting is incorrect or defective • Scanner mirror or scanner lens out of position or dirty • SBU, SCNB defective • BICU (Ri10) defective • Harness connections
Code: 144
Description: SBU connection error The SBU connection cannot be detected at power on or recovery from the energy save mode.
Causes: • Defective SBU • Defective harness • Defective detection port on the BICU
Code: 161
Description: IPU error The error result of self-diagnostic by the ASIC on the IPU is detected.
Causes: • Defective IPU • Defective connection between IPU and SBU