Gestetner B070 Service Manual page 347

SC545: Fusing Overheat Error 3: Continuous Lamp On
Definition [A]
After warm-up and while the hot roller is not rotating, the fusing lamps remain on at
full power for 90 s.
Possible Causes
• Fusing thermistor out of position
• One or more fusing lamp is disconnected
SC546: Fusing Temperature Unstable
Definition [A]
The fusing temperature continues to fluctuate rapidly.
Possible Causes
• Poor thermistor connector connection
• Poor fusing unit connection
SC547: Zero Cross Signal Malfunction
Definition [A]
The applied bandwidth is detected above 66 Hz or below 45 Hz, and no zero-cross
signal detected for 5 s with the power relay ON.
Possible Causes
• Noise on the ac power line
SC550: Oil Supply/Cleaning Web End
Definition [A]
The oil supply/cleaning web end sensor stays on longer than the specified time
after the web motor remains ON for 40 s.
Possible Causes
• Oil supply/cleaning web end (web on supply roller used up)
• Oil supply/cleaning web motor defective
NOTE: SP1902 001 (Web Motor Control – Web Consumption) should be set to "0"
every time the oil supply/cleaning web is replaced. This setting will not take
effect until the machine is cycled off/on.
SM
CÓPIA NÃO CONTROLADA
4-27
CÓPIA NÃO CONTROLADA
SERVICE CALL CONDITIONS
B070/B071