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Stratasys J850/J835 User Guide
8. Put on the protective gloves and open the printer cover.
Removing the Defective Head
9. On the front of the print block, loosen the screws that secure the cover
10. Lift up the cover.
DOC-18001 Rev. N
The printer heats and empties the print block, and prepares the printer.
(This should take up to 15 minutes.)
The following screen appears when the printer is ready for you to replace
print heads.
Figure 4-115 Printer ready for head replacement
Note: The printer disconnects power to the heads for your safety.
protecting the print-head driver cards.
Figure 4-116 Loosening the driver-card cover screws
4 Operating and Maintaining the Printer
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