Assertion: ink | /r/HasProperty | flushed into the waste tray
Facets:
value: to remove the air
type: PURPOSE
value: from the printhead's holding tanks
type: LOCATION
Source sentences:
text: As a result, the printhead is then purged using a vacuum pump, causing some ink to be flushed from the printhead's holding tanks into the waste tray to remove the air from the printhead.