Xerox ColorQube 8570 Service Manual page 348

Figure 12 Wiring Harness Connectors
7. If any triac is found damaged, replace the Electronics Module
Table 3 Triac Channels
Connector Pin Channel Function
JAC1 1 Ink Melt Yellow
JAC1 2 Ink Melt Cyan
JAC1 3 Ink Melt Magenta
JAC1 4 Ink Melt Black
JAC2 2 Printhead Reservoir #2
JAC2 3 Printhead Reservoir #1
JAC2 4 Printhead Jetstack Right
JAC2 5 Printhead Jetstack Left
JAC3 7 Paper Preheater
JAC3 8 Drum Heater #2
JAC3 9 Drum Heater #1
General Troubleshooting
Electrical Troubleshooting
Measuring DC Voltages
1. Check the Power Supply Status LEDs
are not all brightly light, false readings will result.
Open a door to make sure 50 voltage is activated, if necessary (red LED lit).
(REP 5.1).
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6-34
(Figure 13); they all should be bright. If the LEDs
Figure 13 Power Control Board LEDs
Revised, 3rd Revision - Xerox Internal Use Only
ColorQube 8570/8870 Service Manual