Ricoh A219 Service Manual page 358

CODE #55 — FUSING ERROR 4
- Definition -
•
The temperature value output by the thermistor does not change at all
23 (NA) or 26 (EU) seconds after the main switch is turned on.
•
The temperature change detected by the thermistor is more than 30°C
within any 0.5 second interval after the 23 (NA) or 26 (EU) seconds
warm up time after the main switch is turned on.
To clear this error, refer to note 3 at the beginning of this chapter
in the base copier's manual.
- Possible Causes -
•
Thermistor open
•
Defective main control board
•
Defective ac drive/dc power supply board
•
Fusing lamp open
•
Poor thermistor connection
CODE #96 — MAIN SWITCH ERROR
- Definition -
•
The machine does not turn off within 8.5 seconds after Auto Shut Off
is performed.
- Possible Causes -
•
Defective main switch
•
The connectors of the main switch are not correctly connected.
•
Poor main switch dc harness connection (some lines must be cut.)
* Remedy for the initially produced machines.
•
Turn the main switch off and on.
SM
CÓPIA NÃO CONTROLADA
11-51
CÓPIA NÃO CONTROLADA
SERVICE CALL CONDITIONS
A245