Automatic print head spacing mechanism for ink jet printer

Details Automatic print head spacing mechanism for ink jet printer Automatic print head spacing mechanism for ink jet printer

1991-06-17

1993-07-13

Fuller, Benjamin R.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346139R, 400 56, 400 59, B41J 1120

Patent

active

052278093

ABSTRACT:
An ink jet printer (10) having a print head (14) for directing an ink jet toward a sheet of paper (16) includes automatic print head spacing apparatus (80) that holds the print head apart from the sheet of paper by a preselected distance. In a preferred embodiment, the printer includes a rotatable drum (20) for supporting the sheet of paper and media securing system (24) of a first predetermined thickness for securing the paper to the drum. The print head is positioned at the preselected distance after a major surface (130) of the print head engages and is pushed back by the media securing system.

REFERENCES:
patent: 4843338 (1989-06-01), Rasmussen et al.
patent: 4990004 (1991-02-01), Kawahara et al.
patent: 5009526 (1991-04-01), Kirchhof
Rex, D. K., "Printhead Adjustment", IBM Tech. Discl. Bulletin, vol. 26, No. 12, May 1984, pp. 6373-6374.
"Self-Adjusting Forms Thickness Compensation for a Printer", IBM Tech. Discl. Bulletin, vol. 30, No. 8, Jan. 1988, pp. 406-407.

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