Print material variable support mechanism

Details Print material variable support mechanism Print material variable support mechanism

1993-06-30

1995-11-21

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Controller

347 16, 347 19, 400 55, B41J 25308

Patent

active

054691966

ABSTRACT:
A print material variable support mechanism to reduce buckling of print material toward a printhead during printing. The preferred embodiment includes a moveable platen pivotally mounted adjacent a drive roller. The platen is positioned adjacent and below a printhead such that the printhead and the platen define a print zone therebetween. A measuring device is operatively associated with a print controller such that the print controller effects movement of the platen during relatively high ink density printing such that the sheet is allowed to buckle downwardly. In the preferred embodiment, the measuring device is an ink drop counter which determines how many ink drops are placed on the sheet to create the desired image.

REFERENCES:
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patent: 3712211 (1973-01-01), Thut
patent: 3768620 (1973-10-01), Wang
patent: 3774783 (1973-11-01), Miller et al.
patent: 3915281 (1975-10-01), Blomquist et al.
patent: 3995730 (1976-12-01), Kwan et al.
patent: 4728963 (1988-03-01), Rasmussen et al.
patent: 4920878 (1990-05-01), Harpold et al.
patent: 5356229 (1994-10-01), Hickman et al.

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