TROUBLE SHOOTING
4 - 12
4.7
Other Service Calls
[C94] M-CPU is abnormal
Is the service call displayed even after the power switch on the main unit is turned OFF then
ON again?
No
Leave as it is and see what happens.
Yes
•
Check the circuit pattern between MCPU (IC32) and MROM (IC31) for open-or short-circuits.
•
Replace the LGC board if this trouble occurs frequently.
[C99] PFC microcomputer is abnormal
Is the service call displayed even after the power switch on the main unit is turned OFF then
ON again?
No
Leave as it is and see what happens.
Yes
•
Check the circuit pattern around the PFC microcomputer (IC21) for open-or short-circuits.
•
Replace the PFC microcomputer or LGC board if this trouble occurs frequently.
[CD1] Fur brush motor lock error
(1) Check whether the fur brush has become locked mechanically.
•
Are there any foreign objects?
•
Are there any toner clumps in the transport section?
(2) Check whether connectors on the LGC board are come off or the pins disconnected, etc..
(3) Replace the brush motor.
(4) Replace the LGC board.
[CD2] Toner auger motor lock error
(1) Check whether the auger has become locked mechanically.
•
Are there any foreign objects?
•
Are there any toner clumps in the transport section?
(2) Check whether connectors on the LGC board are come off or the pins disconnected, etc..
(3) Replace the auger motor.
(4) Replace LGC board.
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 ...