Typewriting machines – Typing by other than type-face or type-die – Thermal
Patent
1997-10-15
1998-09-15
Eickholt, Eugene H.
Typewriting machines
Typing by other than type-face or type-die
Thermal
347 4, 347 12, 347 14, 347 23, 347 29, 347 33, 347 35, G01D 1518
Patent
active
058069941
ABSTRACT:
A mailing machine comprising a printer module, a transport device and a controller in operative communication with the transport device and the printer module. The printer module including an array of ink jet print elements for printing on an envelope and a repositioning device in operative engagement with the array of ink jet print elements for moving the array of ink jet print elements between a maintenance position and a print position. The transport device including suitable structure for feeding the envelope in a path of travel so that the envelope passes in opposed relationship to the array of ink jet print elements when the array of ink jet print elements are in the print position. The controller keeps an indicator of an amount of time elapsed between printing successive envelopes. If the indicator reaches a predetermined threshold, then the controller causes the array of ink jet print elements to perform a maintenance operation by firing the array of ink jet print elements in the absence of the envelope while the printer module is in the print position.
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Coffy Jean-Hiram
Jackson Jerome E.
Malin Richard A.
Salazar Edilberto I.
Chaclas Angelo N.
Eickholt Eugene H.
Pitney Bowes Inc.
Scolnick Melvin J.
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