Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1996-11-20
1999-04-20
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
347 22, B41J 2165
Patent
active
058961453
ABSTRACT:
A rotary self-cleaning servicing system services inkjet printheads in an inkjet printing mechanism. A rotary service station has a wiper supporting tumbler that rotates about an axis parallel to the printhead scanning direction to wipe the printhead orthogonally along the length of a linear nozzle array. A dual blade wiper has a forked wiping tip with wiping surfaces separated by recessed land portions. The wiper wicks ink from one nozzle and drags it along the linear array to other nozzles to lubricate the pen face and to dissolve any accumulated ink residue. Any ink rolls escape through the wiping tip recessed lands and move away from the nozzles. An optional wiper scraping system pivots through cammed engagement with the tumbler to selectively engage and scrape the wipers. A method is also provided of cleaning an inkjet printhead to maintain pen health, particularly for pens using fast drying pigment based inks.
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English language translation of Japan Patent No. 59-45162, already of record.
English language translation of Japan Patent No. 4-37555, sent to Applicant with Office Action dated Feb. 26, 1996, but not cited on form PTO 892.
English language translation of Japan Patent No. 4-37556, already of record .
Osborne William S.
Taylor Bret
Therien Patrick J.
Fuller Benjamin R.
Hallacher Craig A.
Hewlett--Packard Company
Martin Flory L.
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