HP Designjet T7100 Printer series - Manual (Page 61)

8. Using the blue handle, gently disengage the printhead.
9. Gently pull the blue handle upward until the printhead is released from the carriage.
CAUTION: Do not pull abruptly. That action can damage the printhead.
10. The front-panel display identifies the missing printhead.
ENWW Work with ink system components 53
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