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Browse Prior Art Database

MAGNETIC DIRECT TONER MARKING DEVICE

IP.com Disclosure Number: IPCOM000025650D
Original Publication Date: 1987-Feb-28
Included in the Prior Art Database: 2004-Apr-04
Document File: 2 page(s) / 95K

Publishing Venue

Xerox Disclosure Journal

Abstract

In Figure 1, a technique/device 10 for delivering toner 12 directly to paper 14 is shown for use as a possible printing engine. The technique involves sandwiching paper 14, preheated by heater 28, between a magnetic marking material or toner 12 on a supply roll 16 and an array of pin size electromagnets 18 which will be referred to as the magnetic record head 18. When these magnets are turned on, magnetic marking material will jump to the paper and will tack. The array can be switched by an Electronic Support System (ESS) to complete the printer scheme. Any suitable fuser (not shown) added downstream from the transfer area 20 would complete the printing process.

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Page 1 of 2

XEROX DISCLOSURE JOURNAL

MAGNETIC DIRECT TONER MARKING DEVICE Michael Carlotta

Proposed Classification

U.S. C1.1181653 Int. C1. G03g 15/08

F/G. I

u~'fl''-'m'm'--' . .

F/G. 2

Volume 12 Number 1 January/February 1987 1

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

Page 2 of 2

MAGNETIC DIRECT TONER MARKING DEVICE (Cont'd)

In Figure 1, a technique/device 10 for delivering toner 12 directly to paper 14 is shown for use as a possible printing engine. The technique involves sandwiching paper 14, preheated by heater 28, between a magnetic marking material or toner 12 on a supply roll 16 and an array of pin size electromagnets 18 which will be referred to as the magnetic record head 18. When these magnets are turned on, magnetic marking material will jump to the paper and will tack. The array can be switched by an Electronic Support System (ESS) to complete the printer scheme. Any suitable fuser (not shown) added downstream from the transfer area 20 would complete the printing process.

The record head pins 22 could be molded into plastic substrate 24 as shown in Figure 2, which could also strategically guide and maintain the paper's registration and altitude via holes (not shown) with negative pressure or electrostatics.

The marking material 12 is delivered with close proximity but not touching the paper 14 via known metered roller technology, such as meter blade 26 and supply roll 16 shown in Figure 1, as well as by fluidized beds, belts or other known toner de...