HP Designjet 3D Service Manual page 274

15. Position the dial indicator on the rear section of the X-Drive belt - cen-
16. Check the tension:
-258
Figure 209: Tension gauge zero setting
Adjustment screw
Zero gauge block
tered between the Head Assembly and the left side of the build enve-
lope. (Figure 210.)
Figure 210: X belt tension location
The large hand on the gauge should read between 25 and 35 mils, and
the small hand should read between 4 and 5. (Figure 21 1.)