Cap alignment and wiper positioning for inkjet printer service s

Details Cap alignment and wiper positioning for inkjet printer service s Cap alignment and wiper positioning for inkjet printer service s

1996-09-30

1998-09-22

Barlow, Jr., John E.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 30, 347 33, B41J 2165

Patent

active

058121579

ABSTRACT:
A service station for use in servicing one or more inkjet print cartridges includes a service station sled assembly movably attached to a service station chassis. The service station can be used with either a facsimile machine that uses thermal inkjet printing, or with a thermal inkjet printer. In one embodiment, the service station includes an alignment mechanism for aligning a print carriage with respect to the sled assembly during capping to achieve improved alignment, relative to previous service stations, of a cap with respect to a corresponding print cartridge printhead. In another embodiment, the service station includes a positioning mechanism for positioning the print carriage with respect to the sled assembly during wiping such that, viewed in a direction parallel to the direction of motion of the print carriage, the edge of a wiper distal from a sled base extends beyond the print cartridge printhead by a predetermined amount in order to achieve optimum wiping performance. In another embodiment, the service station includes both the alignment mechanism and the positioning mechanism.

REFERENCES:
patent: 4639962 (1987-02-01), Hogg
patent: 4872026 (1989-10-01), Rasmussen et al.
patent: 5027134 (1991-06-01), Harmon et al.
patent: 5138343 (1992-08-01), Aichi et al.
patent: 5394178 (1995-02-01), Grange
patent: 5440331 (1995-08-01), Grange
patent: 5448271 (1995-09-01), Yamaguchi et al.
Websters Dictionary, 1986, pp. 643, 1054 and 1263.
Set of three assembly drawings of a service station, developed by Hewlett-Packard Company, that was part of a printed believed to have been commercially avaialble in Jul. 1993.
European Search Report issued in European Patent Application No. 95107252.9, issued Oct. 3, 1997.

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