Ink jet printhead heating during margin periods

Details Ink jet printhead heating during margin periods Ink jet printhead heating during margin periods

1995-09-14

1998-03-31

Reinhart, Mark J.

Incremental printing of symbolic information

Ink jet

Controller

347 60, 347186, B41J 2938, B41J 205

Patent

active

057343926

ABSTRACT:
The heater chip (1) of an ink jet printer (10) has two substrate-heater resistors (3a and 3b) powered by the same power supply (24) as are the nozzle heaters (5) on the chip. Printhead (12) carries chip (1) and moves across paper (16) alternately left-to-right followed by right-to-left. Operation is during the margin periods when the nozzle heaters are not in operation. The power supply is thereby efficiently utilized.

REFERENCES:
patent: 5168284 (1992-12-01), Yeung
patent: 5175565 (1992-12-01), Ishinaga et al.
patent: 5559535 (1996-09-01), Otsuka et al.

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