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Significance and Use
This practice is used to determine the number of useful impressions obtainable under normal operating conditions of a given typewriter or printer ribbon. It is suitable for service evaluation or research and development. This practice is generally not considered practical for manufacturing control specification acceptance because of the length of time required to obtain results.
Interpretation of the test result is to be made on a comparative basis, not on the basis of absolute values.
1.1 This practice covers the determination of the usable image producing life of an inked fabric typewriter ribbon or an inked fabric printer ribbon expressed as the number of impressions obtainable from a given unit.
1.2 This practice is not applicable to one-time typewriter ribbons such as carbon ribbons.
1.3 This practice is suitable for narrow printer ribbons with a width of 2 in. (50.8 mm) or less.
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D685 Practice for Conditioning Paper and Paper Products for Testing
D725 Method for Identification of Wire Side of Paper; Reinstated 1990 as D 5039
D3460 Specification for White Watermarked and Unwatermarked Bond, Reprographic, and Laser Printer Cut-Sized Office Papers
F149 Terminology Relating to Optical Character Recognition
F221 Terminology Relating to Carbon Paper and Inked Ribbon Products and Images Made Therefrom
F497 Practice for Use of the Electric and Electronic Typewriter as a Test Instrument
F1174 Practice for Using a Personal Computer Printer as a Test Instrument
ANSI StandardsPH2.18 Density Measurements--Spectral Conditions
UNSPSC Code 44102602(Typewriters); 44103112(Printer ribbon)
ASTM F92-93(2008), Standard Practice for Determination of Character Yield of Inked Fabric Typewriter and Printer Ribbons, ASTM International, West Conshohocken, PA, 2008, www.astm.orgBack to Top