Xerox C2424 Service Manual - Page 196
Drum Maintenance Drive
UPC - 095205676532
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Drum Maintenance Drive With the Y-axis rotating, the drum maintenance unit is loaded against the drum for a short time in each configuration (roller and blade/blade only). R# Definition Typical Value Actions 0 Time to blade first contact (sec) .01 to .35 Reports the time from the load command to the engine until the drum indicates blade contact. 1 Time to roller first contact (sec) -2 to 0.5 Reports the time from the load command to the engine until the drum indicates roller contact. 2 Roller/Blade loaded -1000 to Reports the average Y-axis following error average Y-axis -140 during the Roll With Both Loaded interval. following error (mpts) 3 Roller/Blade loaded 0 to 1000 Reports the difference between the max and Y-axis following error the min Y-axis following error during the Roll ripple (mpts) With Both Loaded interval. 4 Roller Average Period (sec) 50 to 1600 Reports the average period of the Y-axis following error ripple during the Roll With Both Loaded interval. This variation would be due to the dmu roller rolling along the drum surface. 5 Roller Revs 0 to 55 Reports the number of Y-axis following error ripple peaks during the Roll With Both Loaded interval. 6 Roller Disengaged -0.001 to Reports the time from the unload roller Time (sec) 0.05 command to the engine until the drum indicates no further roller contact. 7 Blade loaded average Y-axis following error (mpts) -150 to -35 Reports the average Y-axis following error during the Roll With Blade Loaded interval. 8 Blade loaded Y-axis MFG following error ripple Only (mpts) Reports the difference between the max and the min Y-axis following error during the Roll With Blade Loaded interval. 9 Blade Disengaged MFG Time (sec) Only Reports the time from the unload blade command to the engine until the drum indicates no further blade contact. 4-38 WorkCentre C2424 Service Manual