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H. Loss of Extrusion (LOE)
Use flow chart to determine type of LOE, then follow the steps below.
1. Filament Missing at Drive Wheel
- Filament tube disconnected
- Filament pulled back
1. Verify that filament tube is connected at all
junctions.
2. High pull force on the material spool.
a. Verify spool lid is inserted properly and
not rubbing on carrier.
b. Remove any debris from bottom of
carrier.
c. Filament is tangled on spool. Replace
spool.
3. High pull force in filament tubes.
a. Inspect filament tubes and Y block for
debris. Remove debris.
b. Inspect for kinked filament tubes.
Replace filament tubes.
c. Check for twisted feed tubes in energy
chain. If twisted, replace filament
tubes.
1. Filament Missing at Drive
Wheel
6. Excess Material Inside Head
Remove head cover and inspect
liquefier inlet
Are both filaments
present at drive
wheel?
3. Filament Present but
Won't Extrude
Enter head maintenance and try
to extrude
Did both filaments
extrude?
Is there excess
material inside the
head?
Is there a short
piece of filament in
the liquefier inlet?
2. Filament Tail Left at
Liquefier Inlet
No
Yes
No
Yes
No
Yes
No
Yes
5. Part Geometry Failure
4. Intermittent LOE
Did model or
support features
fall over?
No
Yes
Summary of Contents for DESIGNJET 3D
Page 1: ...HP Designjet 3D HP Designjet Color 3D Service Guide ...
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Page 314: ... 298 Figure 272 HP Designjet 3D measurement points and worksheet BL FL FR BR ...
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