Kyocera KM-1820 Service Manual page 82

Code
C7980 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.
C7990 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.
CF- - - Controller system error
• After Call for Service person is indi-
cated, the error can be cleared by
turning the power switch off and then
on.
CF010 ROM checksum error
• After Call for Service person is indi-
cated, the error can be cleared by
turning the power switch off and then
on.
CF012 ROM checksum error
• After Call for Service person is indi-
cated, the error can be cleared by
turning the power switch off and then
on.
CF1-- Controller system error
CF2-- Controller system error
CF3-- Controller system error
CF4-- Controller system error
Contents
Causes Check procedures/corrective measures
Defective waste
Shake the process unit from side to side
toner sensor or
and turn the power switch off and then on.
engine PWB.
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 PWB.
Defective waste
Shake the process unit from side to side
toner sensor or
and turn the power switch off and then on.
engine PWB.
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 PWB.
Defective main
If this error occurs again even after the
PWB.
power switch is turned off and then on
again, replace the main PWB and check
for correct operation.
Defective main
If this error occurs again even after the
PWB.
power switch is turned off and then on
again, contact the Service Administrative
Division.
Defective main
If this error occurs again even after the
PWB.
power switch is turned off and then on
again, contact the Service Administrative
Division.
Defective main
If this error occurs again even after the
PWB.
power switch is turned off and then on
again, contact the Service Administrative
Division.
Defective main
If this error occurs again even after the
PWB.
power switch is turned off and then on
again, contact the Service Administrative
Division.
Defective main
If this error occurs again even after the
PWB.
power switch is turned off and then on
again, contact the Service Administrative
Division.
Defective main
If this error occurs again even after the
PWB.
power switch is turned off and then on
again, contact the Service Administrative
Division.
Remarks
2GM
1-5-13