Gestetner B070 Service Manual page 352

SERVICE CALL CONDITIONS
SC705: ADF Original Table Lift Malfunction
Definition [B]
One of the following conditions was detected.
• The bottom plate position sensor does not activate when the bottom plate
motor lifts the original table.
• The bottom plate HP sensor does not activate when the bottom plate motor
lowers the original table.
Possible Causes
• Bottom plate position sensor defective
• Bottom plate HP sensor defective
• Bottom plate motor defective
• ADF main control board defective
SC720: Finisher Lower Transport Motor Error
Definition [B]
The encoder pulse signal of the lower transport motor (B478) or stapler transport
motor (B468) does not change within the specified time, and the lower transport
motor does not turn properly
Possible Causes
• Lower transport motor/stapler transport motor defective
• Poor connection between the lower transport motor (or stapler transport
motor) and finisher main board
• Finisher main control board defective
• Motor overload
SC722: Finisher Jogger Motor Error
Definition [D]
The jogger fences move out of the home position but the HP sensor output does
not change within the specified number of pulses.
Possible Causes
• Jogger HP sensor (B478)/ jogger fence HP sensor (B468) defective
• Overload on the jogger mechanism
• Jogger motor (B478)/jogger fence motor (B468) defective (not rotating)
• Finisher main control board defective
• Poor connection between the jogger motor and finisher main board
B070/B071
CÓPIA NÃO CONTROLADA
4-32
CÓPIA NÃO CONTROLADA
SM