HP Latex 360 Printer - Manual (Page 138)

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.
132 Chapter 7 Hardware maintenance ENWW