SERVICE CALL CONDITIONS 20 February, 2001
4-2
4.1.2 SC CODE DESCRIPTIONS
No.
Definition
Symptom Possible Cause
Exposure Lamp Error101 B
The standard white level was not
detected properly when scanning the
white plate.
• Exposure lamp defective
• Exposure lamp stabilizer defective
• Exposure lamp connector defective
• Dirty scanner mirror or scanner mirror
out of position
• SBU board defective
• SBU connector defective
• Lens block out of position
• Incorrect position or width of white
plate scanning (☛ SP4-015)
Scanner home position error 1120 B
The scanner home position sensor
does not detect the off condition during
initialization or copying.
• Scanner home position sensor
defective
• Scanner drive motor defective
• Scanner home position sensor
connector defective
• Scanner drive motor connector
defective
• IOB board defective
Scanner home position error 2121 B
The scanner home position sensor
does not detect the on condition during
initialization or copying.
• Scanner home position sensor
defective
• Scanner drive motor defective
• Scanner home position sensor
connector defective
• Scanner drive motor connector
defective
• IOB board defective
Scanner home position error 3122 B
The scanner home position sensor
detects the on condition while the
scanner is returning to the home
position.
• Scanner home position sensor
defective
• Scanner drive motor defective
• Scanner home position sensor
connector defective
• Scanner drive motor connector
defective
• IOB board defective
Scanner home position error 4123 B
The scanner home position sensor
does not detect the on condition after
the scanner returns to the home
position.
• Scanner home position sensor
defective
• Scanner drive motor defective
• Scanner home position sensor
connector defective
• Scanner drive motor connector
defective
• IOB board defective
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