Ricoh U-C1 B051 - Sc Table

SERVICE CALL 26 July 2002
4-2
4.1.2 SC TABLE
No.
Definition
Symptom Possible Cause
Exposure lamp error 101 D
The standard white level is not
properly detected when scanning the
shading plate. (The shading data
peak does not reach the specified
threshold.)
• 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
Scanner home position error 1 120 D
The scanner home position sensor
does not detect the on condition
during scanning.
• Scanner I/O board or SBU defective
• Scanner motor defective
• Harness between scanner I/O board
and scanner motor disconnected
• Scanner HP sensor defective
• Harness between SBU and HP sensor
disconnected
• Scanner wire, timing belt, pulley, or
carriage defective
Scanner home position error 2 121 D
The scanner home position sensor
does not detect the off condition
during scanning.
• Scanner I/O board or SBU defective
• Scanner motor defective
• Harness between scanner I/O board
and scanner motor disconnected
• Scanner HP sensor defective
• Harness between SBU and HP sensor
disconnected
• Scanner wire, timing belt, pulley, or
carriage defective
Scanner home position error 3 122 D
The scanner home position sensor
does not detect the home position
during initialization.
• Scanner I/O board or SBU defective
• Scanner motor defective
• Harness between scanner I/O board
and scanner motor disconnected
• Scanner HP sensor defective
• Harness between SBU and HP sensor
disconnected
• Scanner wire, timing belt, pulley, or
carriage defective
White level detection error 142 D
The white level cannot be adjusted
within the target during auto gain
control.
• Dirty exposure glass or optics section
• SBU board defective
• BICU board defective
• Exposure lamp defective
• Lamp stabilizer defective
BICU error 161 D
• The correct value is not input into
ASIC1 on the BICU board when the
main switch is turned on.
• ASICs on the BICU board are not
recognized during scanning
operation.
• BICU board defective (defective
connection between ASICs)