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C7312 (bizhub C750i)
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Contents
Trouble type | C7312: Toner suction fan failure |
Rank | B |
Trouble detection condition | After starting the fan, an error is detected for the malfunction detection signal. |
Trouble isolation | – |
Relevant electrical parts | -Toner suction fan (FM11) -Expansion control board (EXCB) |
Procedure
- Check the connector between FM11-relay CN62-relay CN63-EXCB CN15EX for proper connection and correct as necessary.
- Check the connector of FM11 for proper drive coupling and correct as necessary.
- FM11 conduction check.
- Control signal: EXCB CN15EX-1 (REM), EXCB CN15EX-3 (LOCK)
- Location of electrical component: 25-X
- Replace FM11. (Part# A93EM10600)
- Replace EXCB. (Part# AA7NH00500)