WO2003031185A3 - Method for determining printhead misalignment of a printer - Google Patents

Method for determining printhead misalignment of a printer Download PDF

Info

Publication number
WO2003031185A3
WO2003031185A3 PCT/US2002/031414 US0231414W WO03031185A3 WO 2003031185 A3 WO2003031185 A3 WO 2003031185A3 US 0231414 W US0231414 W US 0231414W WO 03031185 A3 WO03031185 A3 WO 03031185A3
Authority
WO
WIPO (PCT)
Prior art keywords
printhead
images
sensor
step includes
printer
Prior art date
Application number
PCT/US2002/031414
Other languages
French (fr)
Other versions
WO2003031185A2 (en
Inventor
Stephen Kelly Cunnagin
Eric Todd Debusschere
Charles Aaron Judge
David Golman King
Patrick Laurence Kroger
Original Assignee
Lexmark Int Inc
Stephen Kelly Cunnagin
Eric Todd Debusschere
Charles Aaron Judge
David Golman King
Patrick Laurence Kroger
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lexmark Int Inc, Stephen Kelly Cunnagin, Eric Todd Debusschere, Charles Aaron Judge, David Golman King, Patrick Laurence Kroger filed Critical Lexmark Int Inc
Priority to EP02800880A priority Critical patent/EP1451016A4/en
Priority to AU2002334794A priority patent/AU2002334794A1/en
Publication of WO2003031185A2 publication Critical patent/WO2003031185A2/en
Publication of WO2003031185A3 publication Critical patent/WO2003031185A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2132—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding

Abstract

A method for determining a printhead misalignment of a printer. One step includes printing a printhead alignment test pattern including spaced-apart images at least partially aligned substantially along a printhead scan axis. A sensor (22) is moved along the printhead scan axis at a known speed over the plurality of images. Sampled data points are obtained from the sensor (22) at a known sampling rate. Another step includes determining the locations along the printhead scan axis of the edges of the images using the sampled data points, the known speed of the sensor, and the known sampling rate. An additional step includes calculating the printhead misalignment from the determined locations of the edges of the images.
PCT/US2002/031414 2001-10-05 2002-10-03 Method for determining printhead misalignment of a printer WO2003031185A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP02800880A EP1451016A4 (en) 2001-10-05 2002-10-03 Method for determining printhead misalignment of a printer
AU2002334794A AU2002334794A1 (en) 2001-10-05 2002-10-03 Method for determining printhead misalignment of a printer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/972,101 2001-10-05
US09/972,101 US6561613B2 (en) 2001-10-05 2001-10-05 Method for determining printhead misalignment of a printer

Publications (2)

Publication Number Publication Date
WO2003031185A2 WO2003031185A2 (en) 2003-04-17
WO2003031185A3 true WO2003031185A3 (en) 2003-09-12

Family

ID=25519160

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/031414 WO2003031185A2 (en) 2001-10-05 2002-10-03 Method for determining printhead misalignment of a printer

Country Status (4)

Country Link
US (1) US6561613B2 (en)
EP (1) EP1451016A4 (en)
AU (1) AU2002334794A1 (en)
WO (1) WO2003031185A2 (en)

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US7920279B2 (en) * 2006-10-13 2011-04-05 Infoprint Solutions Company, Llc Apparatus and methods for improved printing in a tandem LED printhead engine
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US5561449A (en) * 1993-04-30 1996-10-01 Hewlett-Packard Company Position leading, delay and timing uncertainty to improve position & quality in bidirectional printing

Also Published As

Publication number Publication date
US6561613B2 (en) 2003-05-13
EP1451016A2 (en) 2004-09-01
US20030067503A1 (en) 2003-04-10
EP1451016A4 (en) 2007-06-27
WO2003031185A2 (en) 2003-04-17
AU2002334794A1 (en) 2003-04-22

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