Xerox 8500DN Service Manual - Page 152

General Troubleshooting 4-22 Tray 2, Tray 3, and Tray 4 Pick Shaft (Continued) R# Definition Typical Value (8400) 7 Plate lifted average fe. Typical Value (8500/ 8550/8560) Actions Reports the peak effort required to drive the pick shaft when the nudger roller is in contact with the separator pad. A smaller value could indicate a slipping clutch, missing nudger assembly pressure spring, or glazed/dirty roller/ pad. Test picks paper from selected tray (test currently supports picking from Tray 2 only) and moves it through either the simplex or duplex paper path to determine paper path power requirements. Paper Drive Power R# Definition Typical Value (8400) 0 Tray 1 Paper Size 2 Unused 3 Unused 4 Tray 2 Pick Average Power (watts) Typical Value (8500/ 8550/8560) Actions Reports the tray picked from. Reports the media size picked. Reports average power over the pick interval (begin pick to Deskew Sensor). Paper is picked and moved through either simplex or duplex paper path to determine leading edge arrival time at each paper path sensor. R values have alternate definitions or are unused depending on the pick tray and if simplex or duplex path was selected. Paper Lead Edge Times R# Definition Common 0 Tray 1 Paper Size Typical Value (8400) Typical Value (8500/ 8550/8560) Actions Reports the tray from which the test paper was picked Reports the size of the picked paper. Phaser 8400/8500/8550/8560 Color Printer Service Manual