Print speed controlled dot line printer depending on print densi

Details Print speed controlled dot line printer depending on print densi Print speed controlled dot line printer depending on print densi

1995-04-24

1997-09-02

Burr, Edgar S.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400 54, 400323, B41J 2938

Patent

active

056624212

ABSTRACT:
To prevent undue elevation of temperature in a hammer assembly but to maintain the maximum printing speed, when a scheduled number of drivings at which print hammers are to be driven during one scan of a manner bank which follows the currently performing scan, exceeds a first reference number, one dot line printing is completed with a plurality of scans of the hammer bank so that dot line print density in each scan of the hammer bank does not exceed, for example, 35%. If, however, high density printing exceeding 25% continues for an extended period of time more than one scan time, the printing operation is temporarily halted.

REFERENCES:
patent: 4653940 (1987-03-01), Katsukawa
patent: 5064302 (1991-11-01), Tanuma

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