Xerox WorkCentre 385 Service Manual page 150

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Circuit Description
COMCLK
CnPMSG
BIT BIT
0 1
CnPBSY
CMOD [0]
SET TX BIT TO TRANSMIT DATA
(TX)
Command Message Transfers from KS32C6100 to Printer Engine
COMCLK
CnEMSG
BIT BIT BIT
0 1 2
CnEBSY
CMOD [1]
(RX)
INT_BUSY
Engine Message transfers from Engine to KS32C6100
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BIT BIT BIT BIT BIT BIT
2 3 4 5 6 7
AUTO CLEAR
BIT BIT BIT BIT BIT
3 4 5 6 7
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WorkCentre 385