Ricoh B132 Service Manual page 453

Rev. 07/2005
SC563 A
SC564 A
SC565 A
⇒
SC585 C
SM
Hot roller thermistor error 3: Software - High Temperature
The thermistor detected a
temperature over 250°C 10
times within 1 sec.
Do SP5810 to cancel the SC fusing code.
Hot roller thermistor error 4: Hardware - High Temperature
The thermistor detected a
temperature over 260°C.
Do SP5810 to cancel the SC fusing code.
Hot roller thermistor error 5: Lamp remains on
After hot roller reaches warmup
temperature, the hot roller fusing
lamp remains for 6300 sec.
while the hot roller is not
rotating.
Do SP5810 to cancel the SC fusing code.
Double-feed sensor error
The output of the double-feed
sensor reaches the upper or
lower limit
SERVICE CALL CONDITIONS
• TRIAC short
• IOB defective
• BICU defective
• Fusing temperature control is erratic
• TRIAC short
• IOB defective
• BICU defective
• Fusing temperature control is erratic
• Thermistor damaged, or out of position
• Fusing lamp disconnected, broken
• Double-feed sensor connector is not
connected correctly.
• Double-feed sensor is dirty with paper
dust.
• There is paper or foreign material
between the receptor and LED of the
double-feed sensor.
4-53 B132/B200