Ricoh D014 - Page 491

Service Call Tables
SM 4-41 D014/D015/D078/D079
Trouble-
shooting
Heating roller thermistor (center) error 2
SC543 A
The thermistor at the center of
the heating roller detected an
abnormally high temperature
(over 250°C)
 Do SP5810 to cancel the SC fusing
code.
 TRIAC short, AC drive board
defective
 VBCU defective
Heating roller thermistor (center) error 3
SC544 A
The thermistor detected a
temperature over 260°C..
 Do SP5810 to cancel the SC fusing
code.
 TRIAC short, AC drive board
defective
 VBCU defective
Lamp remains on
SC545 A
After hot roller reaches
warm-up temperature, the
center fusing lamps in the
heating roller remained on at
full capacity after reaching the
warm-up temperature while
the hot roller was not rotating.
 Do SP5810 to cancel the SC fusing
code.
 Heating roller thermistor damaged,
or out of position
 Fusing lamp disconnected, broken
Heating roller thermistor error (side)
SC546 A
The temperature measured by
the heating roller thermistor
does not reach 0°C after 50
sec. and remains over this
temperature for 10 readings.
 Loose connection of the heating
roller thermistor
 Defective heating roller thermistor
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA