Browse Prior Art Database

Reduced Consumption of Ribbon on an Impact Printer

IP.com Disclosure Number: IPCOM000051274D
Original Publication Date: 1981-Jan-01
Included in the Prior Art Database: 2005-Feb-10
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Sweet, MD: AUTHOR [+2]

Abstract

While prior-art printer structures have varied ribbon feed rates for different purposes, it appears to not have been previously recognized that by a simple structural expedient provided for switching a printer from a final copy printing mode back and forth to a draft quality printing mode, it is possible to extend the life of a ribbon. In other words, when the printer operates in the final copy mode, the printer ribbon is moved and therefore consumed at a greater rate to produce better quality copy. When the printer is operated in the draft copy mode, the printer ribbon is moved and therefore consumed at a slower rate to produce the lower quality of printing acceptable for drafts.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 100% of the total text.

Page 1 of 1

Reduced Consumption of Ribbon on an Impact Printer

While prior-art printer structures have varied ribbon feed rates for different purposes, it appears to not have been previously recognized that by a simple structural expedient provided for switching a printer from a final copy printing mode back and forth to a draft quality printing mode, it is possible to extend the life of a ribbon. In other words, when the printer operates in the final copy mode, the printer ribbon is moved and therefore consumed at a greater rate to produce better quality copy. When the printer is operated in the draft copy mode, the printer ribbon is moved and therefore consumed at a slower rate to produce the lower quality of printing acceptable for drafts.

This switching could be done manually, or, alternatively, the mode could be determined by the appropriate coding or entry of code on the keyboard of the control system. Switching could also be made with no operator intervention by including a draft quality mode specification code for each document on the storage medium on which the document to be printed is stored. We have found that optimum results are produced in impact printers when a feed rate is used for the draft quality mode which is in the order of one-third of that used in the final copy mode.

1