6 - 5 TROUBLESHOOTING
ERROR H66
SERVICE CALL NVRAM write error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR H67
SERVICE CALL NVRAM read error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR H68
SERVICE CALL NVRAM bus error Turn off t he printer. Wait a few seconds, and
then turn it on again.
ERROR H73
SERVICE CALL Flash read error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR H74
SERVICE CALL Flash write error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR EC3
WARNING NVRAM ERROR Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR EC4
WARNING Engine controller hardware error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR EC7
WARNING Process timing clock error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR ED1
WARNING Yellow switching clutch error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR ED2
WARNING Magenta switching clutch error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR ED3
WARNING Cyan switching clutch error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR ED4
WARNING Black switching clutch error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR ED5
WARNING Yellow switching solenoid error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR ED6
WARNING Magenta switching solenoid error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR ED7
WARNING Cyan switching solenoid error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR ED8
WARNING Black switching solenoid error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR EE1
WARNING Developing motor error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR EE2
WARNING Main motor error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR EE3
WARNING Transfer belt error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR EE5
WARNING Transfer roller solenoid error Tur n of f th e printer. Wait a few seconds, and
then turn it on again.
ERROR EE6
WARNING Transfer belt cleaning solenoid error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR EE8
WARNING Fusing unit clutch error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR EE9
WARNING Belt marker sensor error Turn off the printer. Wait a few seconds, and
then turn it on again.
ERROR EEL
WARNING Erase LED error Turn off the printer. Wait a few seconds, and
then turn it on again.
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Message Meaning Action