Feedback arrangement for a printer having a...

Details Feedback arrangement for a printer having a... Feedback arrangement for a printer having a...

2007-01-30

2007-01-30

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S019000, C347S060000

Reexamination Certificate

active

11006710

ABSTRACT:
An inkjet printer includes a microelectromechanical printhead under the control of a printer processor. A plurality of feedback lines emanate from each of a number of segments of the printhead. Signals from the feedback lines are selectively conveyed to the processor by a tri-state bus. One of the feedback signals that is monitored by the processor is indicative of printhead temperature which is a parameter that affects ink viscosity and hence print quality. In response to variations in printhead temperature the processor is programmed to adjust the ink drop firing pulses that are delivered to the printhead in a compensatory manner.

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