Thermal inkjet printhead temperature control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 13, 1988
Grant Date -
N/A
app pub date -
Jul 23, 1987
filing date -
Jul 23, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Thermal inkjet printhead temperature control is provided in a temperature control system responsive to printhead temperature, which in the presence of printhead overheating selectively causes the printhead to stand idle, or, if multiple nozzles are available, shifts to a nozzle which, is not overheated, which in the event a nozzle is unused for some time and the dye transport agent may have evaporated leaving a viscous plug in the nozzle, employs warm up pulsing and/or nozzle spitting to clear the nozzles, and which when the temperatures of the nozzle is below acceptable printing temperatures, employs nozzle pulsing for warm up and/or nozzle spitting to clear the nozzles, all such decisions and actions being provided in advance of beginning a printing operation.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully