Xerox C2424 Service Manual - Page 193
Check Drive Menu, Wiper Drive
UPC - 095205676532
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Check Drive Menu Wiper Drive This test moves the wiper drive mechanism through the complete range of its motion in each direction and does an "on-the-fly" reversal to verify operability. R# Definition Typical Value Actions 0 Up Motion Drive Error (uin) 120 to 275 Reports the average following error while move the wiper up from the low limit to the lock encounter point. 1 Up Motion Drive Error Ripple (uin) 35 to 150 Reports the difference between the max and min following error over the same interval. 2 Up Distance (uin) 3200 to 4600 Reports the difference between the max and min limits of travel when moving up. 3 Lock Encounter Distance (uin) 3054 to 5115 Reports the distance up from the lower limit of travel at which the head lock latch is encountered. 4 Lock Engage Distance (uin) 3080 to 5153 Reports the distance up from the lower limit of travel at which the head lock latch engages. 5 Lock Engage Peak -1570 to Reports the peak following error at the point (uin) 2083 the latch engages. 6 Down Motion Drive MFG Error (uin) Only Reports the average following error while move the wiper up from the low limit to the lock encounter point. 7 Down Motion Drive MFG Error Ripple (uin) Only Reports the difference between the max and min following error over the same interval. 8 Down Distance (uin) 3200 to Reports the difference between the max and 4600 min limits of travel when moving up. 9 Lock Disengage Distance (uin) -2000 to 0 Reports the distance up from the upper stall point at which the head lock latch releases. 10 Lock Disengage Peak (uin) -800 to -150 Reports the peak following error at the point the latch releases. 11 Bottom Encounter Distance (uin) -5000 to 1000 Reports the distance up from the upper limit of travel at which the wiper first encounters the lower travel limit. 12 Turnaround 0.001 to Reports the time following the start of the Recovery time (sec) 0.25 turnaround motion that the motion drive error return to normal in the opposite direction. General Troubleshooting 4-35