Ink detection for printers and scanners
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United States of America Patent
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-
Jul 11, 2000
Grant Date -
N/A
app pub date -
Jun 17, 1996
filing date -
Jun 19, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A printer that performs high-precision residual-ink detection regardless of various movements accompanying print operation and facsimile apparatus using the printer. When an ink cartridge reciprocates along a main-scanning direction, ink surface of ink 91 varies depending on a moving direction and moving condition (stationary state, uniform motion, accelerated motion and decelerated motion) of the ink cartridge. Accordingly, the residual-ink detection is controlled such that a residual-ink amount can be detected by using photosensor 11 and reflection board 93, at the same detection timing (e.g., always at timing of uniform motion).
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Cited Art Landscape
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