Cleaning method and apparatus for a printhead assembly

Details Cleaning method and apparatus for a printhead assembly Cleaning method and apparatus for a printhead assembly

2005-12-07

2009-08-11

Deo, Duy-Vu N (Department: 1792)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S031000, C347S032000, C347S033000

Reexamination Certificate

active

07571980

ABSTRACT:
A method and apparatus are provided for cleaning a first set and a second set of a staggered full-width array printhead assembly (SFWA) in an inkjet printer. The apparatus for the method includes (a) a wiper blade carriage assembly (WBCA) having a wiper blade unit at a first set point; (b) a timing belt and a stepper motor assembly for moving the WBCA between a home position and a number of operating positions; (c) devices for moving the first and second sets of printheads between resting positions and a wiping positions; (d) computer programs for controlling movements (i) of the WBCA from the home position into wiping contact with, and past, the first and second sets of printheads in first and second wiping positions respectively, (ii) of the first and second sets of printheads out of the wiping positions, and (iii) of the WBCA from the wiping positions back to the home position; and (e) apparatus for horizontally moving and re-aligning the wiper blade unit on the WBCA at a second set point for wiping the second set of printheads.

REFERENCES:
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patent: 6783221 (2004-08-01), Phillips
patent: 2005/0122374 (2005-06-01), Lim et al.

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