Cabletron Systems T2015 Especificaciones descargar pdf (Pagina 142)

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Samsung Electronics

Troubleshooting

Service Manual

Engine FuserOver Heat Error

The temperature of Fuser is higher than the Printing temperature.

1. Check both of the Thermostats on the Fuser.

--> If it is open circuit replace the Thermostat.

2. Check that the Thermostat on the Fuser is properly positioned and assembled.

--> Replace the Thermostat if it is not.

3. Check the Harness connected to the SMPS and Fuser.

--> Refit the harness or replace if damaged.

4. Check the Fan and the Fan Harness

--> Refit or replace as required

5. Replace the Main PBA.

6. Replace the SMPS.

Warning : You must replace the complete Fuser Ass'y if Over Heat Error has occurred.

Do not replace only the Thermistor.

Engine LSU Error

There is a fault in the LSU unit.

1. Use EDC mode to test the HSYNC signal and LSU Motor.

2. Check the Harness connected to the Engine Controller and LSU.

--> Refit the harness or replace it if it is damaged..

3. Replace the LSU.

Main Motor Error

The Main Motor that drives the OPC, ITB and Pick-Up is faulty.

1. Open the Deve Cover and Top Cover and then check the OPC Unit and ITB Unit.

--> Re-install if they are not correctly fitted or are damaged.

2. Open the Rear Cover and then check the Main Motor Harness.

--> Refit the harness or replace it if it is damaged.

3. Check if the Power Supply from the SMPS to the Main PBA.

--> Replace the SMPS if the voltages are outside specification.

4) Check if the No. 7 of CN27 on the Main PBA is near 0V while Main Motor is powered on under the Mode EDC.

--> Replace the Main PBA if the voltage is near 5V

5) Check if the Motor Clock is generated at the No. 9 of CN27 on the Main PBA while Main Motor is powered on under

the Mode EDC.

--> Replace the Main PBA if isn't generated.

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Cabletron Systems T2015 Especificaciones Pagina 142