INVENT3D
TM
Printer Operating Instructions and Troubleshooting Guide
AST2 © 10/26/16
Page 16
11)
Move the hot end and print board to position the hot end at Blue Circle 1 in the picture
(approximately 1” from the right side of the print board). Using the card, measure the gap
between the hot end and the print board. Adjust only the right red thumbscrew (Red Circle 1)
until the card is moveable with only slight resistance.
12)
Repeat Step K above, moving the hot end to Blue Circle 2 in the picture (approximately 1” from
the left side of the print board) and adjust only the front red thumbscrew (Red Circle 2).
13)
Repeat Step K above, moving the hot end to Blue Circle 3 in the picture (approximately 1” from
the left side of the print board) and adjust only the rear red thumbscrew (Red Circle 3).
14)
Repeat the last three steps with each red thumbscrew to confirm that you have a consistent gap
between the hot end and the print board in all three locations.
15)
Gently press and release the Z-axis limit switch and listen for it to click. Now slowly tighten the
Z-axis end stop screw until you hear it press the Z-axis limit switch and make it click.
16)
Loosen the yellow Z-axis lock thumbscrew, then use the Z-axis knob to lower the print board a
few inches.
