Chapter 2 Replacement of Maintenance Parts > PCB/Power Supply Related>CART IO PCB
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2.1.6 CART IO PCB
l Procedure
1. Turn off the main power supply and unplug the power cable.
2. Remove the following covers.(1.5)
(1) Bottle front cover
3. Disconnect all connectors on the PCB.
4. Remove the CART IO PCB.
5. Follow the procedure in the reverse order for assembly.
• Be careful to avoid catching the cable or FFC when closing the cover.
l Connector list
No. Pin Intended use AC/DC Remarks
CN1 4 Spare DC
CN2 16 IO PCB IF (connected to upper PCB) DC
CN3 3 Spare DC
CN4 9 Spare DC
CN5 18 Ink valve control DC
CN6 4 Bottle fluid level detection sensor DC Ink 1
CN7 4 Bottle fluid level detection sensor DC Ink 2
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