Self Diagnostic Codes - Kyocera Mita KM-2560 Service Manual

Measures against the service codes detecting fuser problems
If one of the following service codes is detected, take actions to clear the cause of the trouble and perform maintenance
item U163 to reset the service code.
Code
C6000 Fuser heater break
C6020 Abnormally high fuser thermistor center temperature
C6050 Abnormally low fuser thermistor center temperature
C6120 Abnormally high fuser thermistor edge temperature
C6150 Abnormally low fuser thermistor edge temperature
C6400 Zero-cross signal error
C6420 Fuser unit fuse cut problem

(2) Self diagnostic codes

Code Contents
C0060 Main PWB type mismatch error
C0120 Drum EEPROM error
Reading from or writing to EEPROM
cannot be performed.
C0130 Backup memory (EEPROM) device
problem (Main PWB)
Reading from or writing to EEPROM
cannot be performed.
C0150 Backup memory (EEPROM) device
problem (Engine PWB)
Reading from or writing to EEPROM
cannot be performed.
C0160 Backup memory (EEPROM) data
problem (Engine PWB)
Reading data from EEPROM is abnor-
mal.
Read and write data does not match 5
times continuously.
C0180 Machine number mismatch error
Machine number of main PWB and
engine PWB does not match.
C0320 Power CPU communication problem
The engine PWB and the power CPU
are unable to communicate with each
other.
Contents
Remarks
Causes Check procedures/corrective measures
Defective PWB. Run maintenance item U935 to contact the
Service Administrative Division.
Poor contact in the Check the connection of connector on the
connector termi- engine PWB and the continuity across the
nals. connector terminals. Repair or replace if
necessary.
Defective drum Replace the drum unit.
unit.
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Device damage of Contact the Service Administrative Division.
EEPROM.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Device damage of Contact the Service Administrative Division.
EEPROM.
Problem with the Run maintenance item U022 to initialize the
backup memory backup memory data.
data.
Defective engine If the C0160 is displayed after initializing the
PWB. backup memory, replace the engine PWB
and check for correct operation.
Data damage of Contact the Service Administrative Division.
EEPROM.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
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