Description: LED lamp error The peak white level is less or more than 64/255 digits (8 bits) when scanning the shading plate.
Causes: • LED board defective • IDB defective • Harness connection between LED board and IDB disconnected • Standard white plate dirty • Scanner mirror or scanner lens out of position or dirty • SBU, IPU or BCU defective
Remedy: • Check and clean the scanner mirror(s) and scanner lens. • Check and clean the shading plate. • Check the cable connection between the LED board and IDB. • Replace the LED board. • Replace the IDB. • Replace the SBU, IPU or BCU.
Code: 120
Description: Scanner home position error 1 The scanner home position sensor does not detect the "OFF" condition during operation.
Causes: • Scanner motor driver defective • Scanner motor defective • Harness between IPU and scanner motor disconnected • Scanner HP sensor defective • Harness between IPU and HP sensor disconnected • IPU or BCU defective
Remedy: • Check the cable connections (IPU to scanner motor and IPU and scanner HP sensor). • Replace the scanner motor. • Replace the HP sensor. • Replace the IPU or BCU.
Code: 121
Description: Scanner home position error 2 The scanner home position sensor does not detect the "ON" condition during operation.
Causes: • Scanner motor driver defective • Scanner motor defective • Harness between IPU and scanner motor disconnected • Scanner HP sensor defective • Harness between IPU and HP sensor disconnected • IPU or BCU defective
Remedy: • Check the cable connections (IPU to scanner motor and IPU and scanner HP sensor). • Replace the scanner motor. • Replace the HP sensor. • Replace the IPU or BCU.
Code: 141
Description: Black level detection error The black level cannot be adjusted within the target value during the zero clamp.
Remedy: • Check the cable connection • Replace the IPU. • Replace the SBU.
Code: 142
Description: White level detection error The white level cannot be adjusted within the target during auto gain control.
Causes: • Dirty exposure glass or optics section • Harness between LED lamp and IDB disconnected • SBU defective • LED lamp defective • IDB defective • IPU defective
Remedy: • Clean the exposure glass, white plate, mirrors, and lens. • Check if the LED lamp is lit during initialization. • Check the harness connections (LED board to IDB, IDB to IPU and SBU to IPU). • Replace the LED board. • Replace the IDB. • Replace the SBU. • Replace the IPU.
Code: 144
Description: SBU communication 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 IPU • Defective detection port on the BCU
Remedy: • Replace the harness. • Replace the SBU. • Replace the IPU. • Replace the BCU.