Replacing Print Heads - Stratasys Objet30 User Manual

Objet30 User Guide
22. Choose Replace faulty head(s) if you are prepared to replace the print
Replace print heads only after consulting with a Stratasys-authorized
customer-support engineer.
If you are replacing print heads now, the wizard guides you through the
procedure when you click Next. Continue with "Preparing the Print Block" on
page 6-62.

Replacing Print Heads

The condition of the print heads directly affects the quality of printed models.
You may need to replace a print head if one or more of the following symptoms
occurs:
• The Head Optimization wizard determines that a print head is defective.
• There are noticeable grooves in the surface of printed models.
• Visual inspection of the head reveals that its surface is damaged—peeling
• The printer interface displays a warning or malfunction message relating to
Replace print heads only after consulting with an authorized customer-
support engineer.
DOC-34025 Rev. I
heads now.
or—
Choose Abort wizard if you want to replace the print heads at another time.
To replace print heads, you need these tools and materials:
❒ replacement print head(s)
❒ 90% isopropanol (IPA—isopropyl alcohol) or ethanol (ethyl alcohol)
❒ disposable cleaning gloves (supplied with the print head; or use any
clean, powder-free protective gloves)
❒ a supplied cleaning cloth or equivalent
❒ the scale supplied for use in the Head Optimization wizard (Weight
Test)
❒ the Missing Nozzles ruler
(See "Optimizing (Calibrating) Print Heads" on page 6-51.)
or bubbles in the nozzle area.
a print head—
❒ Head Heater temperature timeout
❒ Head Heater thermistor open
❒ Head Heater thermistor short
6 Operating and Maintaining the Printer
6-60