TROUBLE SHOOTING
4 - 4
4.3
Fuser Related Service Call
[C41] Thermistor abnormal or heater disconnection at power ON
Note) Before carrying out checks (1) and (2) below, first disconnect the power cord to prevent the
danger of electric shock.
(1) Check the thermistor.
•
Are the connectors disconnected?
•
Are the main and sub (end section) thermistors firmly contacting the heat roller?
•
Are the harness of the main and sub (end section) thermistors broken?
(2) Check the heater lamp and SSR.
•
Is the heater lamp open-circuited?
•
Is the heater lamp connector disconnected?
•
Is the thermostat blown?
•
Is the SSR connector disconnected?
•
Are the SSR and switching power supplies damaged?
(3) Check the LGC board.
•
Is connector J326 disconnected?
•
Check the circuits for open-or, short-circuits, or other troubles.
•
Replace the LGC board.
(4) Reset the status counter.
Carry out the following after you have repaired the location where error [C41] occurred:
•
Turn the power ON while pressing the [0] and [8] keys simultaneously.
•
Enter “400” from the number key pad, and press the START key.
•
Overwrite currently displayed status counter 1 or 2 to 0, and press the [SET] or [INTERRUPT]
key to exit error [C41].
•
Turn the power OFF then back ON, and check the machine enters a normal standby state.
Summary of Contents for AR-650
Page 103: ...MAINTENANCE 2 6 Rear drive system 38 36 37 3 54 54 54 54 54 54 96 12 81 63 63 46 ...
Page 104: ...2 7 MAINTENANCE ADF front sectional view 100 104 109 105 106 102 108 99 101 103 107 98 ...
Page 122: ...SUPPLIES 3 10 13 CONNECT 15 CLOSE 2 1 14 CLOSE 1 2 16 TURN ON 17 PRESS 18 END ...
Page 169: ...Click Finish button then Virtual Modem installation is completed 5 5 ...
Page 179: ...To make the connection ONLINE mode click button before firmware downloading 5 15 ...
Page 194: ......
Page 195: ...MEMO ...
Page 196: ...MEMO ...
Page 197: ...MEMO ...
Page 198: ...MEMO ...
Page 199: ...MEMO ...