WO2003097361B1 - High-speed, high-resolution color printing apparatus and method - Google Patents

High-speed, high-resolution color printing apparatus and method

Info

Publication number
WO2003097361B1
WO2003097361B1 PCT/US2003/015267 US0315267W WO03097361B1 WO 2003097361 B1 WO2003097361 B1 WO 2003097361B1 US 0315267 W US0315267 W US 0315267W WO 03097361 B1 WO03097361 B1 WO 03097361B1
Authority
WO
WIPO (PCT)
Prior art keywords
printing
print head
aπay
print
printing medium
Prior art date
Application number
PCT/US2003/015267
Other languages
French (fr)
Other versions
WO2003097361A3 (en
WO2003097361A2 (en
Inventor
Mark J Tschida
Original Assignee
Wellspring Trust An Oregon Cha
Mark J Tschida
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 Wellspring Trust An Oregon Cha, Mark J Tschida filed Critical Wellspring Trust An Oregon Cha
Priority to AU2003232138A priority Critical patent/AU2003232138A1/en
Publication of WO2003097361A2 publication Critical patent/WO2003097361A2/en
Publication of WO2003097361A3 publication Critical patent/WO2003097361A3/en
Publication of WO2003097361B1 publication Critical patent/WO2003097361B1/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
    • B41J2/135—Nozzles
    • B41J2/145—Arrangement thereof
    • B41J2/155—Arrangement thereof for line printing
    • 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
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/36—Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
    • B41J11/42—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering
    • 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
    • B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
    • B41J2202/01—Embodiments of or processes related to ink-jet heads
    • B41J2202/20—Modules

Abstract

Stationary print heads (30) employ an array of print heads that are reoriented 90 degrees relative to their conventional orientation such that the nozzle arrays (32) in each print head (30) are aligned perpendicular to the direction of print media movement. The reoriented print heads are positioned in at least first and second rows (72,80) with the print heads in the first row (72) spaced apart across the width of a printable image area. The print heads in the second row (80) are similarly spaced apart but offset from the print heads in the first row. As the print medium continuously moves through the printer, the first and second rows (72, 80) of print heads print a wide swath comprising an entire linear row of dots across the width of the print medium. Continuously moving the print media, without conventional incremental movements or bidirectional print head scanning provides significantly increased printing speed and improved dot placement accuracy.

Claims

AMENDED CLAIMS[received by the International Bureau on 22 January 2004 (22.01.04); original claims 1-20 replaced by amended claims 1 -60]Claims:
1. A printing system for printing image data defining an image on a printing medium, comprising: a print head array comprising a plurality of print heads, one or more of the print heads being potentially misaligned relative to one or more of the other print heads in the print head array; a device driver for positionally mapping the image data to the print head array; and the device driver including means for substantially compensating for misalignment of the print head(s).
2. The printing system of claim 1, in which each print head includes a printing element array and, for at least one print head, the device driver positionally maps the image data so as to compensate for misalignment of the corresponding printing element array.
3. The printing system of claim 1, in which the print head array scans unidirectionally across the printing medium during printing.
4. The printing system of claim 1, in which the print head array scans bidirectionally across the printing medium during printing.
5. The printing system of claim 1, in which the print head array is stationary and the printing system implements substantially continuous motion of the printing medium relative to the print head array during printing.
6. The printing system of claim 1, in which the printing system implements substantially continuous motion of the printing medium relative to the print head array during printing.
7. The printing system of claim 1, in which the print head array comprises inkjet print heads.
8. The printing system of claim 1, in which at least one of the print heads comprises a COTS print head.
9. The printing system of claim 1, in which the print heads are disposed on a common substrate.
10. The printing system of claim 1, in which the printing system comprises a printer.
11. The printing system of claim 1, in which the print head array is contained by a print head carrier.
12. The printing system of claim 1, further including an ink delivery system for providing ink to the print heads.
34
13. The printing system of claim 1, in which the print head array constitutes a first print head array, the printing medium includes first and second sides, and the image data defines first and second images, and further including a second print head array, the first and second print head aπays arranged for printing the first and second images onto the first and second sides of the printing medium, respectively.
14. The printing system of claim 13, in which the first and second print head aπays are aπanged for printing the first and second images during a single pass of the printing medium through the printing system.
15. The printing system of claim 13, in which the first and second images are printed at substantially the same time.
16. The printing system of claim 1, in which the image data defines first and second images and the printing medium includes first and second sides, and further including a duplexing mechanism operatively associated with the print head aπay to enable the device driver to deliver the positionally mapped image data to the print head aπay to print the first and second images on the first and second sides of the printing medium, respectively.
17. A method for printing image data on a printing medium, comprising: providing a print head aπay, one or more print heads potentially misaligned relative to one or more of the other print heads in the print head aπay; positionally mapping the image data so as to substantially compensate for the misalignment of at least one print head; and printing the positionally mapped image data on the printing medium using the print head aπay.
18. The method of claim 17, in which each print head includes a printing element aπay and, for at least one print head, the mapping step positionally maps the image data so as to compensate for misalignment of the coπesponding printing element aπay.
19. The method of claim 17, in which said printing includes scanning the print head aπay unidirectionally across the printing medium during printing.
20. The method of claim 17, in which said printing includes scanning the print head aπay bidirectionally across the printing medium during printing.
21. The method of claim 17, in which the print head aπay is stationary during printing.
22. The method of claim 17, in which the printing step includes imparting substantially continuous relative motion between the printing medium and the print head aπay during printing.
35
23. The method of claim 17, in which the print head aπay comprises inkjet print heads.
24. The method of claim 23, in which the inkjet print heads include color ink printing element aπays.
25. The method of claim 18, in which the printing element aπays are disposed on a common substrate.
26. The method of claim 17, in which the print head aπay is contained by a print head carrier.
27. The method of claim 17, including providing an ink delivery system for delivering ink to the print heads.
28. The method of claim 17, in which the printing system comprises a printer.
29. The method of claim 17, in which the print head aπay constitutes a first print head aπay, the printing medium includes first and second sides, and the image data defines first and second images, and further including providing a second print head aπay and aπanging the first and second print head aπays for printing the first and second images onto the first and second sides of the printing medium, respectively.
30. The method of claim 29, in which the first and second print head aπays are aπanged for printing the first and second images during a single pass of the printing medium through the printing system.
31. The method of claim 29, including printing the first and second images at substantially the same time.
32. The method of claim 17, in which the image data defines first and second images and the printing medium includes first and second sides, and further including a duplexing mechanism operatively associated with the print head aπay to enable delivery of the positionally mapped image data to the print head aπay to print the first and second images on the first and second sides of the printing medium, respectively.
33. The method of claim 17, in which at least one of the print heads is a COTS print head.
34. The method of claim 17, in which said mapping step includes detenxtining an actual print location of at least one printing element of at least one of the print heads and determining a relative misalignment of at least one print head relative to one or more of the other print heads in the print head aπay based on the actual print location of at least one printing element of the print head.
35. A calibration method, comprising: providing a print head aπay comprising a plurality of print heads, each print head including at least one printing element; printing on a printing medium one or more dots from one or more selected printing elements of a print head in the print head aπay; determining a precise position of at least one of the printed dots relative to a non-fixed reference location; determining a mapping of the selected printing element; and recording an indication of the mapping in association with the coπesponding print head aπay.
36. The method of claim 35, in which the non-fixed reference location comprises a predetermined property of the printing medium.
37. The method of claim 36, in which the predetermined property of the printing medium includes at least one of a border, a corner, a hole, or an indicia.
38. A calibration method, comprising: providing a print head aπay comprising a plurality of print heads, each print head including at least one printing element; printing on a printing medium one or more dots from one or more selected printing elements of a first print head in the print head aπay; determining a precise position of at least one of the printed dots relative to a non-fixed reference location; printing on a printing medium one or more additional dots from one or more selected printing elements of a second print head in the print head aπay; determining a precise position of at least one of the additional printed dots relative to a non-fixed reference location; based on the determined positions of the printed dots and the additional printed dots, determining a misalignment of the second print head selected printing element relative to the first print head selected printing element; and recording an indication of the misalignment in association with the first and second print heads.
39. A method according to claim 38 and further comprising forming a software driver for use in connection with the print head aπay to compensate for the misalignment of the second print head selected printing element relative to the first print head selected printing element.
40. A method according to claim 38 and further comprising:
37 providing a second print head aπay comprising a plurality of print heads; calibrating the second print head aπay; installing the first and second print head aπays into a printing system; and then calibrating at least a selected one of the first and second print head aπays as follows: printing on a printing medium one or more dots from one or more selected printing elements of a print head in the selected print head aπay; determining a precise position of at least one of the printed dots relative to a predetermined property of the printing medium; determining a mapping of the selected printing element; and recording an indication of the mapping in association with the coπesponding print head aπay.
41. The method of claim 38, in which said determining a misalignment is carried out relative to at least one fixed reference point.
42. The method of claim 38, in which the non-fixed reference location comprises a predetermined property of the printing medium.
43. The method of claim 42, in which the predetermined property of the printing medium includes at least one of a border, a corner, a hole, or an indicia.
44. The method of claim 38, in which said determining a precise position includes scanning the printing medium with an optical scanner.
45. A method of printing image data comprising: activating a printing element to print at least one dot on a printing medium; determining a precise location of the printed dot(s) relative to a selected property of the printing medium; responsive to said location of the printed dot(s), determining an actual print location of the printing element; and activating the printing element for printing image data coπesponding to the actual print location of the printing element; thereby obviating reliance on a fixed reference point in the printing system.
46. A method according to claim 45, wherein the printing element is within an aπay of printing elements.
47. A method according to claim 46, wherein the printing element aπay is within a print head.
48. A method according to claim 47, wherein the print head is among an aπay of print heads.
38
49. A method according to claim 45, in which the activating step includes imparting substantially continuous relative motion between the printing medium and the print head aπay during printing.
50. A method according to claim 45 wherein: said activating a printing element includes activating at least one printing element in each printing element aπay; said detennining step includes determining a precise location of the printed dot(s) relative to a selected property of the printing medium for each printing element aπay; said detennining an actual print location includes determining a respective actual print location for each printing element aπay; and said activating step includes activating each printing element aπay for printing image data coπesponding to the actual print location of the coπesponding printing element aπay.
51. A method of calibrating a printer, comprising: providing a print head aπay comprising a plurality of print heads, each print head including at least one printing element; determining a precise position of at least one selected printing element of a first print head in the print head aπay relative to a non-fixed reference location; determining a mapping of the selected printing element; and storing an indication of the mapping in association with the first print head.
52. A method according to claim 51 and further comprising: determining a precise position of at least one selected printing element of a second print head in the print head aπay relative to the selected printing element of the first print head; determining a misalignment of the selected printing element of the second print head relative to the selected printing element of the first print head; and storing an indication of the misalignment in association with the second print head.
53. A method according to claim 52 and further comprising compensating for the misalignment in forming a software driver for use in connection with the printer.
54. A duplex method of printing first and second images on a printing medium having first and second sides, comprising: providing first and second print head aπays each including multiple print heads, each print head including at least one printing element aπay; aπanging the first and second print head aπays for printing the first and second images on the first and second sides of the printing medium, respectively; and
39 imparting relative motion between the printing medium and the first and second print head aπays such that the first and second print head aπays print the first and second images on the first and second sides of the printing medium, respectively, during a single pass of the printing medium.
55. A method according to claim 54, in which the relative motion is a substantially continuous motion.
56. The method of claim 54, further including printing the first and second images at substantially the same time.
57. An inkjet printing system comprising: a stationary page- wide print head aπay comprising a plurality of individual print heads; and a sheet-fed printing medium delivery system operatively associated with the print head aπay; wherein the delivery system transports a printing medium substantially continuously relative to the print head aπay during printing.
58. An inkjet printing system according to claim 57, wherein the individual print heads comprise COTS print heads.
59. An inkjet printing system according to claim 57, wherein the page-wide print head aπay is stationary during printing but removable for servicing or replacement.
60. An inkjet printing system according to claim 57 and further including a second page- wide print head aπay aπanged for duplex printing during a single pass of the printing medium through the printing system.
40
PCT/US2003/015267 2002-05-14 2003-05-14 High-speed, high-resolution color printing apparatus and method WO2003097361A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003232138A AU2003232138A1 (en) 2002-05-14 2003-05-14 High-speed, high-resolution color printing apparatus and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38060402P 2002-05-14 2002-05-14
US60/380,604 2002-05-14

Publications (3)

Publication Number Publication Date
WO2003097361A2 WO2003097361A2 (en) 2003-11-27
WO2003097361A3 WO2003097361A3 (en) 2004-03-11
WO2003097361B1 true WO2003097361B1 (en) 2004-05-06

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US (2) US6767073B2 (en)
AU (1) AU2003232138A1 (en)
WO (1) WO2003097361A2 (en)

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Also Published As

Publication number Publication date
AU2003232138A8 (en) 2003-12-02
WO2003097361A3 (en) 2004-03-11
WO2003097361A2 (en) 2003-11-27
US6767073B2 (en) 2004-07-27
US20030214554A1 (en) 2003-11-20
US20040196324A1 (en) 2004-10-07
AU2003232138A1 (en) 2003-12-02

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