Cycling Power; Diagnosing Loss Of Extrusion - HP Designjet 3D Service Manual

Cycling power

1. Turn the power switch to the OFF position. The display will show
2. After the printer has cooled down enough to shut down, the display will
3. When the display is blank and the printer has shut down, turn the circuit
4. Once the circuit breaker has been turned to the OFF position, wait 60
5. Turn the power switch to the ON position. The printer display will show
Once the display shows Idle or Ready to Print, you can send a file to the
printer to be printed.

Diagnosing loss of extrusion

Occasionally, the printer's head may experience loss of extrusion. This will
be evident by observing one of the following:
1. From the display panel press Cancel and remove parts from the printer.
2. Insert a new modeling base.
3. From Idle, press Maintenance
4. Press Machine.
5. Press Head. The head will move to the center of the chamber and the Z
6. Determine if there is a model material extrusion problem by pressing
7. Press Stop to stop the extrusion.
8. If material did NOT flow from the model tip, see
9. Test the support material tip by choosing: Select Drive.
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Shutting Down.
go blank.
breaker to the OFF position.
seconds and turn the circuit breaker back to the ON position.
that it is starting up.
• The head is moving with no material coming out of either tip
• The height of the model and support materials are not equal
• Sagging structures due to lack of support materials
GLOVES: The head area is hot. Use gloves when working in this
area of printer.
platform will change position. The display will read: Model Drive Motor
Stopped
Forward (command will be available after head reaches operating tem-
perature). Watch the model tip (right tip) for any extrusion (material
purge).
NOTE: You may need to wait up to 30 seconds before extrusion will
begin as the tip may need to reach operating temperature
of extrusion" on page 82.. If material steadily flowed from the model tip,
the model tip is functioning properly.
"Recovering from loss