Epson AcuLaser C9200N Service Manual page 108

EPSON AcuLaser C9200N
Code Item
E300
Abnormally low Heating Roller temperature
E301
Abnormally low Fusing Pressure Roller temperature
E302
Abnormally high Heating Roller temperature
E303
Abnormally high Fusing Pressure Roller temperature
E304 Heating Roller warm-up failure
E305 Fusing Pressure Roller warm-up failure
E310 Fusing Unit New Article Release
E400
Abnormally low toner density detected Cyan TCR Sensor
E401
Abnormally high toner density detected Cyan TCR Sensor
Abnormally low toner density detected Magenta TCR
E402
Sensor
Abnormally high toner density detected Magenta TCR
E403
Sensor
E404 Abnormally low toner density detected Yellow TCR Sensor Mixture ratio of the toner and carrier in the developing machine is lower than the specified value.
E405 Abnormally high toner density detected Yellow TCR Sensor Mixture ratio of the toner and carrier in the developing machine is higher than the specified value.
Troubleshooting
Table 3-16. Error Code List
The temperature of the Heating Roller Thermistor/1 (TH1) is lower than a given level of degree for 1 second
or more uninterruptedly during Ready mode, Low Power mode or printing.
The temperature of the Heating Roller Thermistor/2 (TH3) is lower than a given level of degree for 1 second
or more uninterruptedly during Ready mode, Low Power mode or printing.
The temperature of the Fusing Pressure Roller Thermistor /1 (TH2) is lower than a given level of degree for
1 second or more uninterruptedly during Ready mode, Low Power mode or printing.
The temperatures of the Heating Roller Thermistor/1 (TH1) and the Heating Roller Thermistor/2 (TH3) are
higher than a given level of degree for 1 second or more uninterruptedly.
The Heater Relay is OFF.
The temperature of the Fusing Pressure Roller Thermistor/1 (TH2) is higher than a given level of degree for
1 second or more uninterruptedly before the Heater temperature control starts.
The temperature of the Fusing Pressure Roller Thermistor/1 (TH2) is higher than a given level of degree for
1 second or more uninterruptedly after the Heater temperature control starts.
The Heating Roller Thermistor/1 (TH1) and the Heating Roller Thermistor/2 (TH3) fails to raise a given
degree of temperature even after the lapse of a given period of time after the Heating Roller Heater lamp/1
(H1) is turned ON.
The detected temperature of the Heating Roller Thermistor/1 (TH1) is lower for a given level of degree than
one of the Fusing Pressure Roller Thermistor/1 (TH2) after the Front Cover is opened or closed, the Main
Power Switch is turned ON, or TROUBLE RESET is implemented.
The counter value of zero cross signal input is not updated for a given period of time.
The Fusing Pressure Roller Thermistor/1 (TH2) fails to raise a given degree of temperature even after the
lapse of a given period of time after the Fusing Pressure Heater Lamp (H3) is turned ON.
The detected temperature of the Fusing Pressure Roller Thermistor/1 (TH2) is lower for a given level of
degree than one of the Heating Roller Thermistor/1 (TH1) after the Front Cover is opened or closed, the
Main Power Switch is turned ON, or TROUBLE RESET is implemented.
A new installation is not detected when a new Fusing Unit is installed.
Mixture ratio of the toner and carrier in the developing machine is lower than the specified value.
Mixture ratio of the toner and carrier in the developing machine is higher than the specified value.
Mixture ratio of the toner and carrier in the developing machine is lower than the specified value.
Mixture ratio of the toner and carrier in the developing machine is higher than the specified value.
Service Call Error
Detection Timing
Revision D
Reference
p.115
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