Xerox 8500DN Service Manual - Page 179

General Troubleshooting This test determines averaged readings for key system voltages. Voltages R# Definition Typical Value (8400) Typical Value (8500/ 8550/8560) Actions Main Board Voltages 0 5 Volts (volts) 1 1.8 Volts (volts) 2 2.5 Volts (volts) 3 3.3 Volts (volts) 4 unregulated12 Volts (volts) 5 2.5 Volts (volts) 6 unregulated Negative 12 Volts (volts) Control Board Voltages 7 DC Power (watts) 8 50 Volts 9 Negative 50 Volts 10 Unregulated Negative 15 Volts 11 Unregulated 15 Volts 12 AC Volts 120 Volts AC Volts 240 Volts ~5V ~1.8V ~2.5V +/-2.5% +/- 20% ~5V ~1.8V ~2.5V +/-2.5% +/- 20% ~ 2.5 +/- 20% ~ 2.5 +/- 20% 47 to 52 47 to 52 -47 to 52 -47 to 52 -11 to -16.5 -11 to -16.5 11 to 17 11 to 17 90 to 140 90 to 140 180 to 275 180 to 275 This test drives the Process Drive to move the Wiper Blade a short distance in each direction to verify the home position. Wiper Alignment R# Definition 0 The engage wiper position (min) Typical Value (8400) 1 Upper hard stop wiper position (min) Typical Value (8500/ 8550/8560) Actions 50 to 400 Reports the distance from wipe home to the tilt engage position. 2000 to 5000 Reports the distance from wipe to home to the upper hard stop. Phaser 8400/8500/8550/8560 Color Printer Service Manual 4-49