Granted Patent B2

US 7,771,010 · App. 11/701,802 · Granted Aug 10, 2010

Abstract

Claims (21)

1. An apparatus for printing, the apparatus comprising:

a first plurality of printing cartridges comprising at least three cartridges;

a carrier for mounting the first plurality of printing cartridges, wherein the first plurality of printing cartridges are disposed on the carrier in a first and a second group of printing cartridges, wherein the cartridges comprising each group are distributed on the carrier in a two dimensional pattern such that at least two cartridges disposed in each pattern and that print abutting segments of a line along a first dimension are separated in a second dimension by a third cartridge and wherein the pattern in which the cartridges of the first group are distributed is substantially identical to the pattern in which the cartridges of the second group are distributed;

a media transport for moving a substrate parallel to the second dimension; and

wherein the maximum number of cartridges separating any two cartridges that print abutting line segments is less than half of the number of the first plurality of printing cartridges.

2. The apparatus of claim 1 , wherein the apparatus comprises a second plurality of printing cartridges disposed in a second carrier.

3. The apparatus of claim 2 , wherein the first plurality of printing cartridges and the second plurality of printing cartridges print lines of identical colors.

4. The apparatus of claim 2 , wherein one of the first plurality of printing cartridges prints a first line and one of the second plurality of printing cartridges prints a second line and wherein the first line and the second line are adjacent.

5. The apparatus of claim 2 , wherein the first plurality of printing cartridges prints a first line in a first color and the second plurality of printing cartridges prints a second line in a second color.

6. The apparatus of claim 5 , wherein at least a portion of the first line abuts at least a portion of the second line.

7. The apparatus of claim 5 , wherein at least a portion of the first line overlaps at least a portion of the second line.

8. The apparatus of claim 1 , wherein each of the first plurality of printing cartridges is an ink jet cartridge, wherein the ink jet cartridge comprises a plurality of ink jet nozzles.

9. The apparatus of claim 8 , wherein the plurality of ink jet nozzles comprising the ink jet cartridge are not aligned to be perpendicular to the first second dimension.

10. The apparatus of claim 9 , wherein the apparatus comprises a control system that coordinates when a nozzle of each ink jet cartridge ejects a drop of ink.

11. The apparatus of claim 9 , wherein a majority of the nozzles of the ink jet cartridge do not simultaneously eject drops of ink.

12. The apparatus of claim 1 , wherein the first plurality of printing cartridges comprises a mono-color printing cartridge.

13. The apparatus of claim 1 , wherein the first plurality of printing cartridges comprises a multi-color printing cartridge.

14. The apparatus of claim 1 , wherein the apparatus comprises a control system that receives a row of raster data and coordinates the operation of each printing cartridge in accordance with the row of raster data.

15. The apparatus of claim 1 , wherein each printing cartridge is removably mounted on the carrier.

16. The apparatus of claim 1 , wherein the carrier is curved.

17. The apparatus of claim 1 , wherein the carrier is planar.

Assignments (19)