6-46 Removing and Replacing Parts
Adjusting the Top Margin
When you replace the Engine Controller Board, you must readjust the
top margin as follows:
Figure 6-43 Location of VR501
1 After setting the VR501 on the Engine Controller Board to the
center position (0), load letter or A4 paper in the tray. Press the
Engine Test Print Button (located on the left side of the printer,
below the vent) to make several test prints.
For more information on the LaserJet 4000 / 4050 Visit www.PrinterSupplies.com 800-551-1943
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