Browse Prior Art Database

SELECTIVE PLAIN PAPER COATING FOR THERMAL INK JET PRINTERS

IP.com Disclosure Number: IPCOM000025727D
Original Publication Date: 1987-Aug-31
Included in the Prior Art Database: 2004-Apr-04
Document File: 2 page(s) / 93K

Publishing Venue

Xerox Disclosure Journal

Abstract

A partial isometric view of a carriage type multicolor thermal ink jet printer 10 is shown in Figure 1. A series of ink cartridges 12 having integral printheads 14 are mounted on a carriage 16 which translates back and forth on guide rail 18. Five cartridges containing different colored inks are generally required for full color printing; viz., black, yellow, magenta, cyan, and a translucent coater. The plain paper 20 on which the printheads are to de osit ink droplets is held stationary on platen 22 until a page width swath of

This text was extracted from a PDF file.
At least one non-text object (such as an image or picture) has been suppressed.
This is the abbreviated version, containing approximately 74% of the total text.

Page 1 of 2

XEROX DISCLOSURE JOURNAL

SELECTIVE PLAIN PAPER COATING FOR THERMAL INK JET PRINTERS Frederick A. Donahue

Proposed Classification

U.S. C1.346/140 R Int. C1. Gold 15/16

I

32

Fig. 2

Volume 12 Number 4 July/August 1987 18 7

[This page contains 1 picture or other non-text object]

Page 2 of 2

SELECTIVE PLAIN PAPER COATING FOR THERMAL INK JET PRINTERS (Cont'd)

A partial isometric view of a carriage type multicolor thermal ink jet printer 10 is shown in Figure 1. A series of ink cartridges 12 having integral printheads 14 are mounted on a carriage 16 which translates back and forth on guide rail 18. Five cartridges containing different colored inks are generally required for full color printing; viz., black, yellow, magenta, cyan, and a translucent coater. The plain paper 20 on which the printheads are to de osit ink droplets is held stationary on platen 22 until a page width swath of

scan position, the paper is stepped a distance equal to the height of the printed swath.

in

P ormation is printed in the direction of arrow 24. On the return to a start of

In the ink jet industry, it is a goal to provide printed image quality on plain pa er having brightness and crispness equivalent to that generally available

printhead which places an enlarged pixel of translucent coater only where it has been determined that a subsequent ink droplet is to be printed. In Figure 2, a blown up printed character 30 is shown with one of the printed ink pixels 32 enlarged to show both the ink p...