Xerox C2424 Service Manual - Page 203

Stripper Contact (Continued) This test holds the drum stationary while the stripper solenoid is activated and released. The drum servo error signal illustrates activation/deactivation timing and how strongly the drum was contacted by the blade. R# Definition Typical Value Actions 7 Releasing Amplitude -12.3 to Reports the magnitude of the reaction of the (mpts) 5.85 drum to the blade withdrawal (see R3). Drum Maintenance Contact This test uses the drum servo error signal to indicate when the drum is contacted by the roller blade. R# Definition Typical Value Actions 0 Initial Contact MFG Position (pm motor Only counts) Reports the distance the pm motor was moved (raising the dm unit), before a Y-axis reaction was detected. Shows that the dm is raising, provides blade/drum gap information. Check Motors Menu Y-Axis Motor This test turns on the Y-axis motor and runs it very slowly for one revolution. R# Definition Typical Value Actions 0 Motor fe ripple (ticks) 0.08 to 0.6 Reports amount of variation of the motor following error over the recording interval. 1 Motor fe average (ticks) 0.3 to 0.8 Reports the motor following error average value of the recording interval. 2 Motor drive voltage 0.34 to ripple (volts) 1.3 Reports amount of variation of the motor drive voltage over the recording interval. 3 Motor drive voltage -.75 to (volts) -1.5 Reports average value of motor drive voltage over the recording interval. 4 Motor drive power ripple (watts). 0.25 to 1.8 Reports variation of motor drive power over the recording interval. 5 Motor drive power average (watts) 0.5 to 3.0 Reports average value of motor drive power over the recording interval. General Troubleshooting 4-45