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5. Loosen the thumbscrew (2) attached to the cover (3) on the side of the print head
assembly , and remove the cover (3) .
6. Pull the tab (4) to remove the print head (5).
Support the print head with your hand when the print head is released.
7. Pull out the print head (5) and remove all the connectors (6) from the defective
print head (5).