Clogged Tip - HP Designjet 3D Service Manual

10. Determine if there is a support material extrusion problem by pressing
Forward. Watch the support tip (left tip) for any extrusion (material
purge).
1 1. Press Stop to stop the extrusion.
12. If material did NOT flow from the support tip, see
of extrusion" on page 82.
tip, the support tip is functioning properly.
13. Return the printer to the Maintenance state - Press Done, then press Yes
when the printer displays Is Material Loaded?
14. Press Done until back at Idle.

Clogged tip

Occasionally, a tip may clog with material. This will often result in a loss of
extrusion (LOE). A clogged tip will prohibit material load and part building.
1. Remove the head cover by pressing the tabs in and pulling away from
the head. See Figure 56.
GLOVES: The head area is hot. Use gloves when working in this
area of printer.
Figure 56: Remove the head cover
Head Cover
2. Inspect top of tips for material build up. If there is excess material build
up see "Recovering from loss of extrusion" on page 82.
excess material build up close the chamber door and continue.
3. From the display panel press Maintenance.
4. Press Machine. The printer will calibrate which will take approximately 3
minutes.
"Recovering from loss
If material steadily flowed from the support
Press tabs in to
remove head
cover
If there is no
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