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emujo
08-29-2013, 12:01 AM
I've had 3 C754s that error code out with CB003s when 2nd fax kit is mounted.

Firmware is at ver 70, Fax 1 switch is in Line 1, fax 2 switch is in line 2, Marketing area is US. Both Fax units function normally as Line 1( single). Triple checked my connections at the fax ports (they are clearly marked Fax 1 and Fax 2. I can set fax 2, and initialize it, but when power is cycled, MFP throws a Cb003. Tech support recommended a new MFP board (of course) when we called them, but since 3 of them are doing the same thing I seriously doubt it's a board issue. Anyone successfully installed 2 fax boards on the C754 or C654..Also, the same fax boards work fine in the C754e. Emujo

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