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On the imageRUNNER C5185 series the Finisher, the Reader and the Pedestal / Cassette Feed Unit
all communicate through the Cassette feeding Unit / Pedestal Controller to the print engine.
If the print engine looses any communication to any of these accessories one or more of these error codes will occur intermittently.
UFR PCB error
E731
Check the UFR PCB connections
Reader Communication Error
E732-0001 = DDI-S communication error >
Check the connections between the reader controller PCB and main controller PCB. Check the power supply of the reader.
for some reason this error also effects Cassette Pedestal Power Plug (RE-INSERT)
Error of the Main Controller PCB
E748-
48XX = CPU lock was detected at activation
Remove and insert the main controller PCB (Sub RB-A). Remove and insert the DDR-SDRAM.
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