Replace the harness of thermostat or thermostat.

Test the conductance for the thermopile and the heating roller. Clean the surface of the thermopile lens. Check if the thermopile is firmly connected.

Input voltage is over guaranteed value.

Trash on the surface of the thermopile lens.

The center temperature of the heating roller does not reach the ready temperature for 30 seconds after the edge temperature of the heating roller has reached the ready temperature.

The heating roller temperature does not reach the ready temperature while 60 seconds after the heating lamp on.

The heating roller temperature does not reach 100☌ for 15 seconds after the heating lamp on.

If this condition is detected five times consecutively, SC 542 is defined.

After the main switch is turned on or the cover is closed, the increment of the heating roller temperature per 10 seconds is 30☌ or less.

Description: Heating roller warm-up error 1.Check that the thermopile is firmly connected. Description: Heating roller error 1 The temperature detected by the thermopile does not reach 0☌ for 6 seconds.

Check or replace connector and harness for the fusing/paper exit motor.

Defective or disconnected connection for the fusing/paper exit motor.

The BCU receives the lock signal 2.0 seconds after turning on the fusing/paper exit motor.

Description: Fusing/Paper exit motor error.

Ricoh mpc2551 legend