Kyocera Mita KM-1505 Service Manual page 80

2BT
Code Contents
C710 Toner sensor problem
• The sensor output voltage is outside
the range of 0.5 to 4.5 V during toner
control.
• The toner sensor control voltage
cannot be set within the setting range
when maintenance item U130 is run.
A730 Broken external temperature
(C730) thermistor wire
• The input voltage is above 4.5 V.
A731 Short-circuited external temperature
thermistor
(C731)
• The input voltage is below 0.5 V.
1-5-10
Causes Check procedures/corrective measures
Defective toner Replace the toner sensor.
sensor.
Poor contact of Reinsert the connector. Also check for
the toner sensor continuity within the connector cable. If
connector none, repair or replace the cable.
terminals.
Developer Replace the developer.
problem.
Poor contact of Reinsert the connector. Also check for
the humidity continuity within the connector cable. If
sensor PCB none, repair or replace the cable.
connector
terminals.
Defective external Replace the humidity sensor PCB.
temperature
thermistor.
Poor contact of Reinsert the connector. Also check for
the humidity continuity within the connector cable. If
sensor PCB none, repair or replace the cable.
connector
terminals.
Defective external Replace the humidity sensor PCB.
temperature
thermistor.
Remarks