Table of Contents
Advertisement
15 July 1996
SC545 - Low fusing temperature (detected by the main control board)
SC546 - Low fusing temperature (detected by the optics control board)
Definition: [level: A]
The fusing temperature stays lower than 100°C for 5 seconds after the
machine becomes ready.
Possible causes:
•
Fusing thermistor defective
•
AC drive board defective
•
Fusing lamp open
•
Main control board defective
•
Optics control board defective
SC547 - Fusing lamp continuously lit
Definition: [level: A]
Fusing lamp continuously lights for 70 seconds after the machine
becomes ready. However, if the door is open, paper jams, or the fusing
unit is out of position, the ready condition is canceled and the main relay
opens.
Possible causes:
•
AC drive board
SC548 - Unstable fusing temperature
Definition: [level: A]
If the fusing temperature changes by 21°C/second four times in 1 minute,
this SC is displayed.
Possible causes:
•
AC drive board defective
•
Thermistor defective
SERVICE CALL CONDITIONS
6-17
Advertisement
Table of Contents
