HP Designjet L25500 Printer series - Manual (Page 63)

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.
Insert a printhead
1. If the printhead is new, shake it vigorously before removing the protective caps. Hold the printhead
upright (with the protective caps facing down) and shake the printhead vigorously in a smooth up
and down motion for about 15 seconds.
NOTE: Be careful not to strike the printhead against anything while shaking it, because this could
cause damage.
ENWW Work with ink system components 59
Han
d
le the ink system