Does anyone knows what E748-4000 means and how could I reset it?
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Reader cable unplugged? -
What model group is this machine in? I can't find anything on the IR2570.Comment
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I think you mean the iR2570C or iR2570Ci. (had a do a google search to find it). I have zero knowledge of that unit, but this TP from Canon may help. BTW: Being the way I am, I would first try clearing DCON and reloading door specs, if that is a no-go I would try reloading system software.
E748 4000 Code is displayed
Workaround :
The error is related to a faulty connection or defective PDRM-EF-A PCB. Since the machine contains two
PDRM-EF-A PCB's in the Main Controller you will have to remove and clean the contacts and reseat both of them.
If after reseating doesn't resolve the problem order and replace the defective one. Part number (FM2-9166-000).
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