Verify Liquefier Alignment - HP Designjet 3D Service Manual

F. Position the Liquefier Alignment Rod so that the stepped
portion is flush with the top of the Heater Block.
G. Tighten the Heater Block Clamp screws.
CAUTION: Use care when moving the Toggle Bar. Forcing the bar,
or applying too much pressure, will damage the Liquefier Alignment
Rod and cause a misalignment of the Liquefier Tubes with the
filament path.
H. Move the Toggle Bar to the full Left position.
I. Tighten the lower Heater Block Mount screw until it is snug.
J. Tighten the upper Heater Block Mount screw until it is snug.
K. Tighten the lower and upper Heater Block Mount screws to
final torque.
NOTE: Make sure that the Heater Block does not move while
tightening the mount screws.
L. Move the Toggle Bar to the right until the Drive Wheel no
longer contacts the Liquefier Alignment Rod.
M. Loosen the Heater Block Clamp screws and remove the
Liquefier Alignment Rod.
2. Left (Support) side:
A. Repeat step 1 above - except reverse the Toggle Bar
positions.

Verify Liquefier Alignment

This procedure makes sure that the Liquefier Tubes are properly aligned with
the filament path. This procedure must be performed after
Alignment" on page 397.
1. Install the Heat Shield - install and tighten the 2 retaining screws - make
sure the teflon washers are installed between the Heat Shield tabs and
the Translator.
2. Install the new Liquefier Tips
A. You must identify the correct replacement tip. The uPrint
uses two tip types. You must make sure a SUPPORT tip is
used on the LEFT side of the head assembly. A MODEL tip
must be used on the RIGHT side of the head assembly. The
Model tip comes in a Red capped container. The Support
tip comes in a Black capped container.
CAUTION: Model and SOLUBLE support tips are different. The
correct tip must be installed in the correct side.
is performed.
(Figure 413)
"Liquefier
-398