SERVICE CALL CONDITIONS 10 August, 2001
7-2
7.1.2  SC CODE DESCRIPTIONS
Code No. Symptom Possible Cause
Exposure lamp error101 B
The standard white level was not
detected properly when scanning the
white plate.
• 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 1120 D
The scanner home position sensor
does not detect the on condition during
initialization or copying.
•  Scanner drive motor defective
•  Scanner motor defective
•  Harness between SBCU and
scanner drive motor disconnected
•  Harness between SBCU and
scanner drive motor power source
disconnected
•  Scanner HP sensor defective
•  Harness between SBCU and HP
sensor disconnected
• 
Scanner wire, timing belt, pulley, or
carriage defective
Scanner home position error 2121 D
The scanner home position sensor
does not detect the off condition during
initialization.
•  SIB or scanner drive motor defective
•  Scanner motor defective
•  Harness between SBCU and
scanner drive motor disconnected
•  Harness between SBCU and
scanner drive motor power source
disconnected
•  Scanner HP sensor defective
•  Harness between SBCU and HP
sensor disconnected
• 
Scanner wire, timing belt, pulley, or
carriage defective
SBU connection error144 B
The IPU does not detect the SBU
connection signal.
Cable between SBU and IPU board
disconnected.
Automatic SBU adjustment error192 B
An error is detected during automatic
SBU adjustment (SP4-428)
• SBU defective
•  SBCU board defective
•  Exposure lamp stabilizer defective
• Exposure lamp defective
• Dirty white plate
Image transfer error193 B
The IPU board does not finish within 1
minute after the image data has been
transferred to the controller board.
• IPU board defective
•  Controller board defective
• 
Video controller defective
DFGATE assert error195 B
The DFGATE signal does not assert
within 30 seconds after the original has
been scanned.
•  ADF interface cable defective
•  SBCU board defective
• 
Mismatched firmware between the
SBCU board and ADF
DFGATE negate error196 B
The DFGATE signal does not negate
within 1 minute after the DFGATE has
been asserted.
•  ADF interface cable defective
•  SBCU board defective
• 
Mismatched firmware between the
SBCU board and ADF