Mailing machine including ink jet operation checking for prevent

Incremental printing of symbolic information – Ink jet – Controller

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Details

B41J 2195

Patent

active

060007745

ABSTRACT:
An ink jet printing system includes a user interface for communicating messages between the ink jet printer and an operator and controller in operative communication with the user interface. The controller disables printing of certain information other than a test pattern in response to a predetermined event, generates a random message, prints a test pattern in response to a predetermined event, incorporates the generated random message within the test pattern, receives an indication of the random message from the operator, compares the received random message with the generated random message, and if the received random message equals the generated random message, enables printing of certain information other than the test pattern.

REFERENCES:
patent: 5663750 (1997-09-01), Sakuma
patent: 5850583 (1998-12-01), Song et al.
patent: 5856834 (1999-01-01), Murphy, III

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