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uPrint/uPrint SE Service Manual 5-43
XY Table Leveling
Parts and Tools Required
• MaracaEX CD
• XY Level Calc.xls (Excel) file
• Dial indicator
• Head bracket
• Basic tool set
• Table leveling adjustment tool
Checking the XY Table Level
1.
Remove the substrate from the Z Stage table.
2.
Mark a location on each corner of the platen surface with a marker, see Figure 5-360.
These marks will be used to reference the same locations when leveling the table.
Figure 5-360: Z stage table location points
3.
Attach a dial indicator to the head bracket.
4.
Attached the head to the toggle head assembly.
5.
Move the dial indicator to the back left (BL) corner over the marked location.
6.
Raise the Z Stage until it contacts the dial indicator. Continue to raise the Z stage
approximately two additional revolutions of the dial indicator. Wedge a screw driver or
similar object between the underside of the table and the bottom of the chamber to
prevent the Z stage from moving downward.
7.
Zero the dial indicator (this is the reference position and will always be zero).
8.
Next move the XY table until the dial indicator is over the front left (FL) corner mark
Figure 5-360. Measure and record the difference (e.g. the dial indicator reads 0.004 in.)
BL (Back Left)
BR (Back Right)
FR (Front Right)
FL (Front Left)