Kyocera KM-1500 - Page 78

2DC-2
1-5-12
Code Contents
Remarks
Causes Check procedures/corrective measures
C7800
(A7800*)
C7810
(A7810*)
C7980
C7990
Broken external temperature ther-
mistor
• The input voltage is 0.5 V or less.
Short-circuited external temperature
thermistor
• The input voltage is 4.5 V or more.
Waste toner reservoir overflow
problem (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.
Waste toner reservoir overflow
problem (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.
Poor contact in
the operation
board connector
terminals.
Defective external
temperature ther-
mistor.
Poor contact in
the operation
board connector
terminals.
Defective external
temperature ther-
mistor.
Defective waste
toner sensor or
engine board (KP-
5061).
Defective waste
toner sensor or
engine board (KP-
5061).
Reinsert the connector. Also check for con-
tinuity within the connector cable. If none,
remedy or replace the cable.
Replace the operation board and check for
correct operation.
Reinsert the connector. Also check for con-
tinuity within the connector cable. If none,
remedy or replace the cable.
Replace the operation board and check for
correct operation.
Shake the process unit from side to side
and turn the power switch off and then on.
If the problem cannot be solved, replace
the process unit.
After replacing the process unit, turn the
power switch off and then on. If the prob-
lem cannot be solved, replace the waste
toner sensor or the engine board (KP-
5061).
Shake the process unit from side to side
and turn the power switch off and then on.
If the problem cannot be solved, replace
the process unit.
After replacing the process unit, turn the
power switch off and then on. If the prob-
lem cannot be solved, replace the waste
toner sensor or the engine board (KP-
5061).
“A” is displayed on the market.