HP Designjet 3D Printer series - Manual (Page 58)

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Figure 49 Tip inlet locations
7. Press Select Drive and choose the drive that may have the clogged tip.
8. Press Forward, the drive wheel will turn the selected drive forward.
9. Press Blower Off, this will turn the head cooling fan off for 10 seconds, allowing the tip to
heat up beyond operating temperature. If material starts to extrude the tip is no longer
clogged. If material does not extrude see “Recovering from loss of extrusion” on page 55.
If material extrudes, you can continue building your part.
10. Replace head cover.
11. Press Done.
12. Display will ask Which Materials Loaded? Press Both.
13. Press Done until back to Pause screen.
14. Press Resume to continue building the part.
NOTE: If the head cover is not replaced the printer may not function properly.
Model tip inlet Support tip inlet