Gestetner B070 Service Manual page 357

SC740: Finisher Upper Tray Lift Motor Error (B468)
Definition [D]
The upper tray paper height sensor does not change its status with the specified
time after the tray raises or lowers.
Possible Causes
• Upper tray paper height sensor defective
• Upper tray paper height sensor connection loose or broken
• Tray lift motor defective
• Finisher main control board defective
• Motor overload
SC741: Finisher Lower Tray Lift Motor Error (B468)
Definition [D]
The lower tray paper height sensor does not change its status with the specified
time after the tray raises or lowers.
Possible Causes
• Lower tray paper height sensor defective
• Lower tray paper height sensor connection loose or broken
• Tray lift motor defective
• Finisher main control board defective
• Motor overload
SC742: Finisher Shift Motor Error (B468)
Definition [D]
Shift motor not detected at the home position within the specified time.
Possible Causes
• Shift roller HP sensor defective
• Shift roller HP sensor connection loose or broken
• Shift motor defective
• Finisher main control board defective
• Motor overload
SM
CÓPIA NÃO CONTROLADA
4-37
CÓPIA NÃO CONTROLADA
SERVICE CALL CONDITIONS
B070/B071