Ink-jet printer
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United States of America Patent
Stats
-
Oct 9, 2001
Grant Date -
N/A
app pub date -
Nov 5, 1999
filing date -
Nov 11, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nozzle unit is provided with nozzle heads of plural colors. Each nozzle head has a large number of ink-jet nozzles arranged side by side in the direction of main scanning. A head holder supports the nozzle unit in such a manner that the unit can move up and down between the printing position where printing is done on the printing sheet held on a rotating body and the non-printing position located above the printing position where the nozzle heads are maintained. The head holder is provided with a driving control circuit for driving the nozzle heads. The head holder, together with the nozzle unit, are movable vertically.
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