Xerox DocuColor 2240

09/03
2-282
DC 3535/2240/1632, WC M24
12-350
Initial issue
Status Indicator RAPs
12-350 Finisher Communication
Communication cannot be established between the MCU PWB and the Finisher PWB.
Procedure
Switch the power off then on. CR7 on the Finisher PWB is lit.
YN
+24 VDC is measured between P/J844-2 on the Finisher PWB and ground.
YN
Check the +24VDC circuit to the Finisher PWB P/J844 by referring to the Finisher
+24VDC wirenet (Figure 5).
Replace the Finisher PWB (PL 17.13).
Switch off the power. Check continuity of the following (refer to BSD 12.2 (Figure 2) for circuit):
• Between the MCU PWB P/J403-B13 and the Finisher PWB P/J843-3
• Between the MCU PWB P/J403-B12 and the Finisher PWB P/J843-4
• Between the MCU PWB P/J403-B15 and the Finisher PWB P/J843-1
• Between the MCU PWB P/J403-B14 and the Finisher PWB P/J843-2
The resistance is 1 Ohm or less for all wires.
YN
Check wires with more than 1 Ohm for an open circuit or poor contact.
Replace the following parts:
• Finisher PWB (PL 17.13).
• MCU PWB (PL 13.1).