2.8SC Code E-8: Fusing Warm-up Error
-Definition-
The temperature detected by the hot roller thermistor does not reach the target
ready temperature within 12 minutes after main switch is turned on.
<Point to check>
Hot roller thermistor
Fusing lamp
Fusing thermofuse
AC drive board (T202-2, RA201-T4)
Main board (CN106-A2, -A5, -B11, -B14, -B15)
AC harness
2.9SC Code E-9: Toner Density Sensor Abnormal
-Definition-
The toner density sensor voltage is less than 0.5 volts or more than 4.5 volts.
NOTE: This condition is not detected until 251 copies since initializing
developer.
<Point to check>
Toner density sensor
Flow of the developer at the toner density sensor area
Main board (CN104-A10, -A11, -B20, -B21)
A163 6-10 SM
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