Xerox 8500DN Service Manual - Page 109
Main Tray Pick Clutch Disconnect., Main Tray Deskew Clutch
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UPC - 095205022063
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Page 109 highlights
Error Messages and Codes 50V Power Supply Fault Troubleshooting Procedure (Continued) Step Questions and Actions Yes No 5 To isolate the problem to the I/O Board or its Replace the related cabling, unplug these I/O Board I/O Board. connectors. ■ Umbilical Right J1 ■ Waste Tray Sense J110 ■ Stripper Solenoid J250 ■ Paper Tray Sense J610 ■ Ink load Signal J910 ■ DMU Sense J860 ■ Drum Thermistor J870 ■ Exit Module J680 ■ Heater Relay Control J950 Test the resistance of the I/O board to Pin1 of J270. Is the resistance still less than 1K ohm? Go to Step 6. 6 1. Plug in the I/O Board connectors one at a Leave power Go to Step 7. time and retest the resistance. on to ensure 2. Replace components until you find one that creates a short at J270, Pin 1. the problem is fixed. Find any shorted components? 7 Connect the Wave Amp. Any problems? Leave power On to ensure the problem is fixed. Go to Step 8. 8 Connect the Printhead. Apply power Complete. and retest. 8400 PEST Description 8500/8550/8560 PEST description 37,017.44: Deskew Clutch Disconnect. The Deskew Clutch is not drawing the expected power. Head Maintenance Clutch Disconnect. The Head Maintenance Clutch is not drawing the expected power. 37,018.45: Main Tray Pick Clutch disconnect. The Main Tray Pick Clutch is not drawing the expected power. Main Tray Deskew Clutch Disconnect. The Main Tray Deskew Clutch is not drawing the expected power. 37,019.46: Tray 1 Pick Solenoid Disconnect. The tray 1 Pick Solenoid is not drawing the expected power. Main Tray Pick Clutch Disconnect. The Main Tray Pick Clutch is not drawing the expected power. 37,020.47: Strip Solenoid disconnect. The Tray 1 Pick Solenoid Disconnect. strip solenoid is not drawing the The Tray 1 Pick Solenoid is not expected power. drawing the expected power. 37,021.48: Strip Solenoid disconnect. The Strip Solenoid is not drawing the expected power from the supply. Phaser 8400/8500/8550/8560 Color Printer Service Manual 3-41
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