Ink jet printer nozzle clog preventive apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 29, 1988
Issued Date -
N/A
app pub date -
May 13, 1987
filing date -
Feb 13, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ink jet printer nozzle clog preventive apparatus includes a cap member provided opposite a printing head on a carriage positioned outside the printing zone, the cap member being movable toward and away from the printing head, a moving mechanism including a driving source for moving the cap member toward the printing head, a pump connected to the cap member interior to achieve a negative pressure in the cap member when the printing head is covered with the cap member, a maintenance solution tank from which to supply maintenance solution to the cap member interior, a control system for controlling the moving mechanism, pump and maintenance solution tank according to the printer state, and an instruction switch for instructing a nozzle recovery operation when air enters the printing head nozzle.
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Cited Art Landscape
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