Gestetner A294 Service Manual page 461

Rev.9/2001
SC124: Scanner Motor Error 1
Definition [B]
The feedback signal from the scanner motor is not detected within 200 ms after
the scanner motor turns on.
Possible Causes
• Scanner motor defective
• Poor connection of the connector for the feedback signal
• Poor connection of the connector for the scanner motor power line
SC125: Scanner Motor Error 2
Definition [B]
1) The scanner motor speed is less than 300 mm/s when the scanner home
position sensor turns on.
2) The scanner motor stops before scanner home position when the scanner
returns.
Possible Causes
• Scanner motor defective
• Large load on the scanner drive
SC126: Scanner Motor Error 3
Definition [B]
The scanner motor does not stop within 12 mm after the scanner home
position sensor turns on when the scanner returns.
Possible Causes
• Scanner motor defective
• MCU defective
SC127: Scanner Motor Error 4
Definition [B]
The scanner motor rotates in the opposite direction from the signal from the
MCU.
Possible Causes
• Scanner motor defective
SM
CÓPIA NÃO CONTROLADA
7-3
CÓPIA NÃO CONTROLADA
SERVICE CALL CONDITIONS
A294/A295