AU2009203031B2 - Printer comprising two uneven printhead modules and at least two printer controllers, one of which sends print data to the other - Google Patents

Printer comprising two uneven printhead modules and at least two printer controllers, one of which sends print data to the other Download PDF

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Publication number
AU2009203031B2
AU2009203031B2 AU2009203031A AU2009203031A AU2009203031B2 AU 2009203031 B2 AU2009203031 B2 AU 2009203031B2 AU 2009203031 A AU2009203031 A AU 2009203031A AU 2009203031 A AU2009203031 A AU 2009203031A AU 2009203031 B2 AU2009203031 B2 AU 2009203031B2
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AU
Australia
Prior art keywords
nozzles
printhead
data
printhead module
printer controller
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Ceased
Application number
AU2009203031A
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AU2009203031A1 (en
Inventor
Benjamin David Morphett
Richard Thomas Plunkett
Mark Jackson Pulver
John Robert Sheahan
Kia Silverbrook
Simon Robert Walmsley
Michael John Webb
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Memjet Technology Ltd
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Memjet Technology Ltd
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Priority to AU2009203031A priority Critical patent/AU2009203031B2/en
Publication of AU2009203031A1 publication Critical patent/AU2009203031A1/en
Application granted granted Critical
Publication of AU2009203031B2 publication Critical patent/AU2009203031B2/en
Assigned to ZAMTEC LIMITED reassignment ZAMTEC LIMITED Request for Assignment Assignors: SILVERBROOK RESEARCH PTY LTD
Assigned to MEMJET TECHNOLOGY LIMITED reassignment MEMJET TECHNOLOGY LIMITED Request to Amend Deed and Register Assignors: ZAMTEC LIMITED
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B41J2/2139—Compensation for malfunctioning nozzles creating dot place or dot size errors
    • 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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04505—Control methods or devices therefor, e.g. driver circuits, control circuits aiming at correcting alignment
    • 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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/0451—Control methods or devices therefor, e.g. driver circuits, control circuits for detecting failure, e.g. clogging, malfunctioning actuator
    • 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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04541—Specific driving circuit
    • 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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04551—Control methods or devices therefor, e.g. driver circuits, control circuits using several operating modes
    • 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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04563—Control methods or devices therefor, e.g. driver circuits, control circuits detecting head temperature; Ink temperature
    • 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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04573—Timing; Delays
    • 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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04586—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads of a type not covered by groups B41J2/04575 - B41J2/04585, or of an undefined type
    • 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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04591—Width of the driving signal being adjusted
    • 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
    • B41J2/2146—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding for line print heads
    • 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

A printhead module includes at least one row of printhead nozzles. Each row includes at least one displaced row portion. The displacement of the row portion includes a component in a direction normal to that of a pagewidth to be printed.

Description

2009203031 The specifications for this Patent contain over 1000 pages, if you require a copy please contact IP Australia

Claims (42)

1. A printer comprising: a printhead comprising first and second elongate printhead modules, the printhead modules being parallel to each other and being disposed end to end on either side of ajoin region, wherein the 5 first printhead module is longer than the second printhead module; at least first and second printer controllers configured to receive print data and process the print data to output dot data for the printhead, wherein: the first printer controller outputs dot data to both the first printhead module and the second controller; and the second printer controller outputs dot data to the second printhead module, wherein the dot data output by the second printer controller includes dot data it generates and at least some of the dot data received from the first printer 10 controller.
2. A printer according to claims 1, wherein the printhead modules are configured such that no dot data passes between them. 15
3. A printer according to claim I. including at least one synchronization means between the first and second printer controllers for synchronizing the supply of dot data by the printer controllers.
4. A printer according to claim 1, wherein each of the printer controllers is configurable to supply the dot data to printhead modules of a plurality of different lengths. 20
5. A printer according to claim I, wherein the printhead is a pagewidth printhead.
6. A printer controller according to claim 1, for implementing a method of at least partially compensating for errors in ink dot placement by at least one of a plurality of nozzles due to erroneous rotational displacement of a 25 printhead module relative to a carrier, the nozzles being disposed on the printhead module, the method comprising the steps of: (a) determining the rotational displacement; (b) detennining at least one correction factor that at least partially compensates for the ink dot displacement; and (c) using t'ne correction factor to alter the output of the ink dots to at least partially compensate for the rotational displacement. 30
7. A printer controller according to claim I for implementing a method of expelling ink from a printhead module including at least one row that comprises a plurality of adjacent sets of n adjacent nozzles, each of the nozzles being configured to expel ink in response to a fire signal, the method comprising providing, for each set of nozzles, a fire signal in accordance with the sequence: [nozzle position I. nozzle position n, nozzle position 2, nozzle position (n-1), . . . , nozzle position x], wherein nozzle position x is at or adjacent the centre of the set of 35 nozzles. PLT009_DIV-AU - 1000
8. A printer controller according to claim 1, for implementing a method of expelling ink from a printhead module including at least one row that comprises a plurality of sets of n adjacent nozzles, each of the nozzles being configured to expel ink in response to a fire signal, the method comprising the steps of: (a) providing a fire signal to nozzles at a first and nth position in each set of nozzles; (b) providing a fire signal to the next inward pair of 5 nozzles in each set; (c) in the event n is an even number, repeating step (b) until all of the nozzles in each set has been fired; and (d) in the event n is an odd number, repeating step (b) until all of the nozzles but a central nozzle in each set have been fired, and then firing the central nozzle.
9. A printer controller according to claim 1, manufactured in accordance with a method of manufacturing a 10 plurality of printhead modules, at least some of which are capable of being combined in pairs to form bilithic pagewidth printheads, the method comprising the step of laying out each of the plurality of printhead modules on a wafer substrate, wherein at least one of the printhead modules is right-handed and at least another is left-handed.
10. A printer controller according to claim 1, for supplying data to a printhead module including: at least one row 15 of print nozzles; at least two shift registers for shifting in dot data supplied from a data source to each of the at least one rows, wherein each print nozzle obtains dot data to be fired from an element of one of the shift registers.
11. A printer controller according to claim 1, installed in a printer comprising: a printhead comprising at least a first elongate printhead module, the at least one printhead module including at least one row of print nozzles for 20 expelling ink; and at least first and second printer controllers configured to receive print data and process the print data to output dot data to the printhead, wherein the first and second printer controllers are connected to a common input of the printhead.
12. A printer controller according to claim 1, installed in a printer comprising: a printhead comprising first and 25 second elongate printhead modules, the printhead modules being parallel to each other and being disposed end to end on either side of a join region; at least first and second printer controllers configured to receive print data and process the print data to output dot data to the printhead, wherein the first printer controller outputs dot data only to the first printhead module and the second printer controller outputs dot data only to the second printhead module, wherein the printhead modules are configured such that no dot data passes between them. 30
13. A printer controller according to claim I, installed in a printer comprising: a printhead comprising first and second elongate printhead modules, the printhead modules being parallel to each other and being disposed end to end on either side of a join region, wherein the first printhead module is longer than the second printhead module; at least first and second printer controllers configured to receive print data and process the print data to output dot 35 data to the printhead, wherein: the first printer controller outputs dot data to both the first printhead module and the second printhead module; and the second printer controller outputs dot data only to the second printhead module. PLT009 DIV-AU - 1001
14. A printer controller according to claim 1, for supplying dot data to at least one printhead module and at least partially compensating for errors in ink dot placement by at least one of a plurality of nozzles on the printhead module due to erroneous rotational displacement of the printhead module relative to a carrier, the printer being 5 configured to: access a correction factor associated with the at least one printhead module; determine an order in which at least some of the dot data is supplied to at least one of the at least one printhead modules, the order being determined at least partly on the basis of the correction factor, thereby to at least partially compensate for the rotational displacement; and supply the dot data to the printhead module. 10 15. A printer controller according to claim 1, for supplying dot data to a printhead module having a plurality of nozzles for expelling ink, the printhead module including a plurality of thermal sensors, each of the thermal sensors being configured to respond to a temperature at or adjacent at least one of the nozzles, the printer controller being configured to modify operation of at least some of the nozzles in response to the temperature rising above a first threshold.
15
16. A printer controller according to claim 1, for controlling a printhead comprising at least one monolithic printhead module, the at least one printhead module having a plurality of rows of nozzles configured to extend, in use, across at least part of a printable pagewidth of the printhead, the nozzles in each row being grouped into at least first and second fire groups, the printhead module being configured to sequentially fire, for each row, the 20 nozzles of each fire group, such that each nozzle in the sequence from each fire group is fired simultaneously with respective corresponding nozzles in the sequence in the other fire groups, wherein the nozzles are fired row by row such that the nozzles of each row are all fired before the nozzles of each subsequent row, wherein the printer controller is configured to provide one or more control signals that :ontrol the order of firing of the nozzles. 25
17. A printer controller according to claim 1, for outputting to a printhead module: dot data to be printed with at least two different inks; and control data for controlling printing of the dot data; the printer controller including at least one communication output, each or the communication output being configured to output at least some of the control data and at least some of the dot data for the at least two inks. 30
18. A printer controller according to claim 1, for supplying data to a printhead module including at least one row of printhead nozzles, at least one row including at least one displaced row portion, the displacement of the row portion including a component in a direction normal to that of a pagewidth to be printed.
19. A printer controller according to claim 1, for supplying print data to at least one printhead module capable of 35 printing a maximum of n of channels of print data, the at least one printhead module being configurable into: a first mode, in which the printhead module is configured to receive data for a first number of the channels; and a second mode, in which the printhead module is configured to receive print data for a second number of the PLTODSDIV-AU -1002 channels, wherein the first number is greater than the second number; wherein the printer controller is selectively configurable to supply dot data for the first and second modes.
20. A printer controller according to claim I, for supplying data to a printhead comprising a plurality of printhead 5 modules, the printhead being wider than a reticle step used in forming the modules, the printhead comprising at least two types of the modules, wherein each type is determined by its geometric shape in plan.
21. A printer controller according to claim 1, for supplying one or more control signals to a printhead module, the printhead module including at least one row that comprises a plurality of sets of n adjacent nozzles, each of the 10 nozzles being configured to expel ink in response to a fire signal, such that: (a) a fire signal is provided to nozzles at a first and nth position in each set of nozzles; (b) a fire signal is provided to the next inward pair of nozzles in each set; (c) in the event n is an even number, step (b) is repeated until all of the nozzles in each set has been fired; and (d) in the event n is an odd number, step (b) is repeated until all of the nozzles but a central nozzle in each set have been fired, and then the central nozzle is fired. 15
22. A printer controller according to claim 1, for supplying one or more control signals to a printhead module, the printhead module including at least one row that comprises a plurality of adjacent sets of n adjacent nozzles, each of the nozzles being configured to expel ink in response to a fire signal, the method comprising providing, for each set of nozzles, a fire signal in accordance with the sequence: [nozzle position 1, nozzle position n, nozzle 20 position 2, nozzle position (n-I), . . . , nozzle position x], wherein nozzle position x is at or adjacent the centre of the set of nozzles.
23. A printer controller according to claim 1, for supplying dot data to a printhead module comprising at least first and second rows configured to print ink of a similar type or color, at least some nozzles in the first row being 25 aligned with respective corresponding nozzles in the second row in a direction of intended media travel relative to the printhead, the printhead module being configurable such that the nozzles in the first and second pairs of rows are fired such that some dots output to print media are printed to by nozzles from the first pair of rows and at least some other dots output to print media are printed to by nozzles from the second pair of rows, the printer controller being configurable to supply dot data to the printhead module for printing. 30
24. A printer controller according to claim 1, for supplying dot data to at least one printhead module, the at least one printhead module comprising a plurality of rows, each of the rows comprising a plurality of nozzles for ejecting ink, wherein the printhead module includes at least first and second rows configured to print ink of a similar type or color, the printer controller being configured to supply the dot data to the at least one printhead 35 module such that, in the event a nozzle in the first row is faulty, a corresponding nozzle in the second row prints an ink dot at a position on print media at or adjacent a position where the faulty nozzle would otherwise have printed it. PLT009_DIV-AU - 1003
25. A printer controller according to claim 1, for receiving first data and manipulating the first data to produce dot data to be printed, the print controller including at least two serial cutputs for supplying the dot data to at least one printhead. 5
26. A printer controller according to claim 1, for supplying data to a printhead module including: at least one row of print nozzles; at least first and second shift registers for shifting in dot data supplied from a data source, wherein each shift register feeds dot data to a group of nozzles, and wherein each of the groups of the nozzles is interleaved with at least one of the other groups of the nozzles. 10
27. A printer controller according to claim 1, for supplying data to a printhead capable of printing a maximum of n of channels of print data, the printhead being configurable into: a first mode, in which the printhead is configured to receive print data for a first number of the channels; and a second mode, in which the printhead is configured to receive print data for a second number of the channels, wherein the first number is greater than the second 15 number.
28. A printer controller according to claim I, for supplying data to a printhead comprising a plurality of printhead modules, the printhead being wider than a reticle step used in forming the modules, the printhead comprising at least two types of the modules, wherein each type is determined by its geometric shape in plan. 20
29. A printer controller according to claim 1, for supplying data to a printhead module including at least one row that comprises a plurality of sets of n adjacent nozzles, each of the nozzles being configured to expel ink in response to a fire signal, such that, for each set of nozzles, a fire signal is provided in accordance with the sequence: [nozzle position 1, nozzle position n, nozzle position 2, nozzle position (n-I), . . . , nozzle position x], 25 wherein nozzle position x is at or adjacent the centre of the set of nozzles.
30. A printer controller according to claim 1, for supplying data to a printhead module including at least one row that comprises a plurality of adjacent sets of n adjacent nozzles, each of the nozzles being configured to expel the ink in response to a fire signal, the printhead being configured to output ink from nozzles at a first and nth position 30 in each set of nozzles, and then each next inward pair of nozzles in each set, until: in the event n is an even number, all of the nozzles in each set has been fired; and in the event n is an odd number, all of the nozzles but a central nozzle in each set have been fired, and then to fire the central nozzle.
31. A printer controller according to claim 1, for supplying data to a printhead module for receiving dot data to be 35 printed using at least two different inks and control data for controlling printing of the dot data, the printhead module including a communication input for receiving the dot data for the at least two colors and the control data. PTOOS DV-AU - 1004
32. A printer controller according to claim I, for supplying data to a printhead module including at least one row of printhead nozzles, at least one row including at least one displaced row portion, the displacement of the row portion including a component in a direction normal to that of a pagewidth to be printed. 5
33. A printer controller according to claim I, for supplying data to a printhead module having a plurality of rows of nozzles configured to extend, in use, across at least part of a printable pagewidth, the nozzles in each row being grouped into at least first and second fire groups, the printhead module being configured to sequentially fire, for each row, the nozzles of each fire group, such that each nozzle in the sequence from each fire group is fired simultaneously with respective corresponding nozzles in the sequence in the other fire groups, wherein the nozzles 10 are fired row by row such that the nozzles of each row are all fired before the nozzles of each subsequent row.
34. A printer controller according to claim I, for supplying data to a printhead module comprising at least first and second rows configured to print ink of a similar type or color, at least some nozzles in the first row being aligned with respective corresponding nozzles in the second row in a direction of intended media travel relative to the 15 printhead, the printhcad module being configurable such that the nozzles in the first and second pairs of rows are fired such that some dots output to print media are printed to by nozzles from the first pair of rows and at least some other dots output to print media are printed to by nozzles from the second pair of rows.
35. A printer controller according to claim 1, for providing data to a printhead module that includes: at least one 20 row of print nozzles; at least first and second shift registers for shifting in dot data supplied from a data source, wherein each shift register feeds dot data to a group of nozzles, and wherein each of the groups of the nozzles is interleaved with at least one of the other groups of the nozzles.
36. A printer controller according to claim 1, for supplying data to a printhead module having a plurality of 25 nozzles for expelling ink, the printhead module including a plurality of thermal sensors, each of the thermal sensors being configured to respond to a temperature at or adjacent at least one of the nozzles, the printhead module being configured to modify operation of the nozzles in response to the temperature rising above a first threshold. 30
37. A printer controller according to claim 1, for supplying data to a printhead module comprising a plurality of rows, each of the rows comprising a plurality of nozzles for ejecting ink, wherein the printhead module includes at least first and second rows configured to print ink of a similar type or color, and being configured such that, in the event a nozzle in the first row is faulty, a corresponding nozzle in the second row prints an ink dot at a position on print media at or adjacent a position where the faulty nozzle would otherwise have printed it. 35
38. A print engine comprising: a carrier; a printhead comprising first and second elongate printhead modules, the printhead modules being mounted parallel to each other end to end on the carrier on either side of a join region, PLT009_DIV-AU - 1005 wherein the first printhead module is longer than the second printhe.ad module; at least first and second printer controllers configured to receive print data and process the print data to output dot data for the printhead, wherein: the first printer controller outputs dot data to both the first printhead module and the second controller; and the second printer controller outputs dot data to the second printhead module, wherein the dot data output by the 5 second printer controller includes dot data it generates and at least some of the dot data received from the first printer controller.
39. A print engine according to claim 38, wherein the printhead modules are configured such that no dot data passes between them. 10
40. A print engine according to claim 39, including at least one synchronization means between the first and second printer controllers for synchronizing the supply of dot by the printer controllers.
41. A print engine according to claim 39, wherein each of the printer controllers is configurable to supply the dot 15 data to printhead modules of a plurality of different lengths.
42. A print engine according to claim 39, wherein the printhead is a pagewidth printhead. PLT009 DIV-AU
AU2009203031A 2004-05-27 2009-07-27 Printer comprising two uneven printhead modules and at least two printer controllers, one of which sends print data to the other Ceased AU2009203031B2 (en)

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AU2004320526 2004-05-27
PCT/AU2004/000706 WO2005120835A1 (en) 2004-05-27 2004-05-27 Method for at least partially compensating for errors in ink dot placement due to erroneous rotational displacement
AU2004320526A AU2004320526B2 (en) 2004-05-27 2004-05-27 Method for at least partially compensating for errors in ink dot placement due to erroneous rotational displacement
AU2008207608A AU2008207608B2 (en) 2004-05-27 2008-08-29 Method for at least partially compensating for errors in ink dot placement due to erroneous rotational displacement
AU2009203031A AU2009203031B2 (en) 2004-05-27 2009-07-27 Printer comprising two uneven printhead modules and at least two printer controllers, one of which sends print data to the other

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AU2009203031B2 true AU2009203031B2 (en) 2010-06-10

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AU2004320526A Ceased AU2004320526B2 (en) 2004-05-27 2004-05-27 Method for at least partially compensating for errors in ink dot placement due to erroneous rotational displacement
AU2008207608A Ceased AU2008207608B2 (en) 2004-05-27 2008-08-29 Method for at least partially compensating for errors in ink dot placement due to erroneous rotational displacement
AU2009203030A Ceased AU2009203030B2 (en) 2004-05-27 2009-07-27 Printhead module capable of printing a maximum of N channels of print data
AU2009203031A Ceased AU2009203031B2 (en) 2004-05-27 2009-07-27 Printer comprising two uneven printhead modules and at least two printer controllers, one of which sends print data to the other
AU2009203012A Ceased AU2009203012B2 (en) 2004-05-27 2009-07-27 Method of manufacturing left-handed and right-handed printhead modules
AU2009203032A Ceased AU2009203032B2 (en) 2004-05-27 2009-07-27 Printer controller for controlling a printhead module base on thermal sensing
AU2009203026A Ceased AU2009203026B2 (en) 2004-05-27 2009-07-27 Method of storing bit-pattern in plural devices
AU2009203025A Ceased AU2009203025B2 (en) 2004-05-27 2009-07-27 Printer comprising two uneven printhead modules and at least two printer controllers, one of which sends print data to both of the printhead modules
AU2009203033A Ceased AU2009203033B2 (en) 2004-05-27 2009-07-27 Printer controller for supplying data to a printhead module having a dropped row
AU2009203027A Active AU2009203027B2 (en) 2004-05-27 2009-07-27 Printhead module having a dropped row
AU2009203028A Ceased AU2009203028B2 (en) 2004-05-27 2009-07-27 Printhead comprising different printhead modules
AU2009203015A Ceased AU2009203015B2 (en) 2004-05-27 2009-07-27 Printer comprising a printhead and at least two printer controllers connected to a common input of the printhead

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AU2004320526A Ceased AU2004320526B2 (en) 2004-05-27 2004-05-27 Method for at least partially compensating for errors in ink dot placement due to erroneous rotational displacement
AU2008207608A Ceased AU2008207608B2 (en) 2004-05-27 2008-08-29 Method for at least partially compensating for errors in ink dot placement due to erroneous rotational displacement
AU2009203030A Ceased AU2009203030B2 (en) 2004-05-27 2009-07-27 Printhead module capable of printing a maximum of N channels of print data

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AU2009203012A Ceased AU2009203012B2 (en) 2004-05-27 2009-07-27 Method of manufacturing left-handed and right-handed printhead modules
AU2009203032A Ceased AU2009203032B2 (en) 2004-05-27 2009-07-27 Printer controller for controlling a printhead module base on thermal sensing
AU2009203026A Ceased AU2009203026B2 (en) 2004-05-27 2009-07-27 Method of storing bit-pattern in plural devices
AU2009203025A Ceased AU2009203025B2 (en) 2004-05-27 2009-07-27 Printer comprising two uneven printhead modules and at least two printer controllers, one of which sends print data to both of the printhead modules
AU2009203033A Ceased AU2009203033B2 (en) 2004-05-27 2009-07-27 Printer controller for supplying data to a printhead module having a dropped row
AU2009203027A Active AU2009203027B2 (en) 2004-05-27 2009-07-27 Printhead module having a dropped row
AU2009203028A Ceased AU2009203028B2 (en) 2004-05-27 2009-07-27 Printhead comprising different printhead modules
AU2009203015A Ceased AU2009203015B2 (en) 2004-05-27 2009-07-27 Printer comprising a printhead and at least two printer controllers connected to a common input of the printhead

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AU (12) AU2004320526B2 (en)
CA (1) CA2567724A1 (en)
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WO2005120835A1 (en) 2005-12-22
AU2009203033B2 (en) 2010-06-03
AU2009203025A1 (en) 2009-08-13
EP1765595B1 (en) 2011-03-16
AU2009203012A1 (en) 2009-08-13
AU2004320526A1 (en) 2005-12-22
ES2393541T3 (en) 2012-12-26
AU2009203027A1 (en) 2009-08-13
AU2004320526B2 (en) 2008-08-07
AU2009203026A1 (en) 2009-08-13
EP2301753B1 (en) 2012-08-22
AU2009203030B2 (en) 2010-07-01
AU2008207608A1 (en) 2008-09-18
ATE501857T1 (en) 2011-04-15
CY1113337T1 (en) 2016-06-22
AU2009203027B2 (en) 2010-06-10
AU2009203031A1 (en) 2009-08-13
PT2301753E (en) 2013-01-23
AU2009203025B2 (en) 2010-06-03
AU2009203033A1 (en) 2009-08-13
AU2009203028B2 (en) 2010-06-10
EP1765595A4 (en) 2009-10-21
AU2009203015A1 (en) 2009-08-13
AU2009203032B2 (en) 2010-06-03
AU2009203012B2 (en) 2010-07-15
DE602004031888D1 (en) 2011-04-28
EP1765595A1 (en) 2007-03-28
AU2009203028A1 (en) 2009-08-13
AU2008207608B2 (en) 2009-05-21
CA2567724A1 (en) 2005-12-22
EP2301753A1 (en) 2011-03-30
AU2009203030A1 (en) 2009-08-13
AU2009203015B2 (en) 2010-06-24

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