LIQUID EJECTOR, AND METHOD FOR OUTPUTTING DISTANCE BETWEEN PLATEN AND NOZZLE SURFACE

PROBLEM TO BE SOLVED: To measure the gap between the nozzle surface of a liquid ejection head and a platen quickly and accurately without damaging the nozzle surface. SOLUTION: The liquid ejector comprises a platen for supporting a recording matter from below, a liquid ejection head for ejecting liq...

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Bibliographic Details
Main Author KUMAGAI MASANARI
Format Patent
LanguageEnglish
Published 13.10.2005
Edition7
Subjects
CORRECTION OF TYPOGRAPHICAL ERRORS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:PROBLEM TO BE SOLVED: To measure the gap between the nozzle surface of a liquid ejection head and a platen quickly and accurately without damaging the nozzle surface. SOLUTION: The liquid ejector comprises a platen for supporting a recording matter from below, a liquid ejection head for ejecting liquid from the nozzle surface facing the platen to the recording matter while reciprocating above the recording matter supported by the platen, a light emitting section located below the platen and emitting light toward the nozzle surface of the liquid ejection head, a light receiving section located below the platen and receiving light emitted from the light emitting section and reflected on the nozzle surface of the liquid ejection head, and a section for outputting the distance between the platen and the nozzle surface based on the light received at the light receiving section. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040093222