Sc Code E-6: Pressure Roller Thermistor Short; Sc Code E-7: Fusing Overheat - Ricoh FW870 User Manual

25 July 1994 SERVICE CALL CONDITION

2.6 SC CODE E-6: PRESSURE ROLLER THERMISTOR SHORT

-Definition-
The resistance of the pressure roller thermistor is less than 0.55 KΩ.
<Point to check>
Pressure roller thermistor
Main board (CN106-A6, -A7))

2.7 SC CODE E-7: FUSING OVERHEAT

-Definition-
The temperature detected by the hot roller thermistor becomes higher than
220°C
<Point to check>
Hot roller thermistor
Fusing thermofuse
AC drive board (CN203-2, T203)
Main board (CN102-A20)
6-9