Kyocera Mita KM-1500 Service Manual page 74

2DC
Code
C7800 Broken external temperature ther-
(A7800*) mistor
• The input voltage is 0.5 V or less.
C7810 Short-circuited external temperature
(A7810*) thermistor
• The input voltage is 4.5 V or more.
C7980 Waste toner reservoir overflow
probrem (when the total number of
copies is less than 100 thousand
sheets)
• After E31 is displayed, 1,000 sheets
are copied. Or waste toner exceeds 5
g.
C7990 Waste toner reservoir overflow
probrem (when the total number of
copies is 100 thousand sheets or
more)
• After E31 is displayed, 1,000 sheets
are copied. Or waste toner exceeds 5
g.
"A" is displayed on the market.
1-5-12
Contents
Causes Check procedures/corrective measures
Poor contact in Reinsert the connector. Also check for con-
the operation tinuity within the connector cable. If none,
board connector remedy or replace the cable.
terminals.
Defective external Replace the operation board and check for
temperature ther- correct operation.
mistor.
Poor contact in Reinsert the connector. Also check for con-
the operation tinuity within the connector cable. If none,
board connector remedy or replace the cable.
terminals.
Defective external Replace the operation board and check for
temperature ther- correct operation.
mistor.
Defective waste Replace the waste toner sensor and check
toner sensor. for correct operation.
Defective engine Replace the engine board (KP-5061) and
board (KP-5061). check for correct operation.
Defective waste Replace the waste toner sensor and check
toner sensor. for correct operation.
Defective engine Replace the engine board (KP-5061) and
board (KP-5061). check for correct operation.
Remarks