Replacing Print Heads - Stratasys Objet24 User Manual

Operating & Maintaining the Objet24 3D Printer
Replacing
Print Heads
6–40
21. Choose Replace faulty head(s) if you are prepared to replace the print
heads now.
or—
Choose Abort wizard if you want to replace the print heads at another
time.
Replace print heads only after consulting with a Stratasys-authorized
customer-support engineer.
To replace print heads, you need these tools and materials:
•
replacement print head(s)
•
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
If you are replacing print heads now, the wizard guides you through the
procedure when you click
on page 42.
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. (See "Optimizing (Calibrating) Print Heads" on page 30.)
•
There are noticeable grooves in the surface of printed models.
•
Visual inspection of the head reveals that its surface is damaged—
peeling or bubbles in the nozzle area.
•
The printer interface displays a warning or malfunction message
relating to a print head—
Head Heater temperature timeout
Head Heater thermistor open
Head Heater thermistor short
Replace print heads only after consulting with an authorized customer-
support engineer.
. Continue with "Preparing the Print Block"
Next
DOC-34014 Rev. C