HP Designjet 700 Service Manual - Page 161
X Motion Control
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22. X Motion Control The purpose of this test is to determine the power required to move the drive roller. Perform the X motion control test as follows: 1 In the Service Tests submenu, scroll to 22 X Motion Control" and press Enter. SERVICE TESTS 22 X Motion control 2 The Remove Media / Press Enter" message is displayed on the frontĆpanel. Remove the media (if loaded) and press Enter to start the test. 3 The Faster / Slower" message is displayed on the frontĆpanel. Use the Up Arrow to increase the speed of the drive roller and the Down Arrow to decrease the speed of the drive roller. 4 Press the Enter button. 5 The X Max PWM = # / Press Enter" message is displayed on the frontĆpanel. If the maximum value (#) of X Max PWM is less than 100 then the test has passed. If the maximum value (#) of X Max PWM is more than 100 then the test has failed. If the test fails, try replacing one of the following components: 1 XĆaxis motor ' page 6Ć25. 2 Main PCA ' page 6Ć9. Only replace one component at a time and perform the "X Motion Control" test again before replacing another component. Using this procedure you will be able to determine exactly which component failed. C4705-90000 Troubleshooting 8-43