Ink jet apparatus and method for detecting ink nondischarge base

Details Ink jet apparatus and method for detecting ink nondischarge base Ink jet apparatus and method for detecting ink nondischarge base

1993-03-16

1996-04-16

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Controller

347 19, B41J 2165

Patent

active

055087221

ABSTRACT:
If one page of recording is terminated, a carriage moves to a position at which a recording head is located opposite a cap. Then, the ink is discharged through nozzles of the recording head onto temperature detecting element within the cap. Temperature change of the temperature detecting element upon contact with the ink is output from a detecting circuit, and the normal discharge of ink is detected by discharge detecting means. In this way, a decrease in the ink remaining or the detection of ink nondischarge can be securely made.

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