Service manual

SC121: Scanner HP sensor abnormal - Stays on
Type: 3
- Description -
The scanner IPU board notifies the SCU when the home sensor does
not go on even though the scanner carriage has been retracted from
the home position during the scanner carriage homing process of the
power-on sequence.
- Detection Timing -
When the power switch is turned on and the scanner homing operation
starts
- Possible Causes -
• Scanner HP sensor defective
• Scanner motor defective
SP-Log: 7-402-1
SC130: Scanner start abnormal
Type: 3
- Description -
The scanner IPU board notifies the SCU when the next scan start
signal is received before the scanner carriage has returned to the
home position.
- Detection Timing -
During scanning
- Possible Causes -
• Scanner IPU board
SP-Log: 7-402-1
SC170: VPU abnormal 1
Type: 3
- Description -
The scanner IPU board notifies the SCU when the feedback data for
the black level (mask area at the front end of the CCD) E/O is not in
the proper range at power-on.
- Detection Timing -
When the power switch is turned on
- Possible Causes -
• Scanner IPU board
SP-Log: 7-402-1
Trouble-
shooting
SERVICE CALL CONDITIONS
SM 6-3 A166/A187/A189
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA