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Standard Practice for Determination of Character Yield of Inked Fabric Typewriter and Printer Ribbons
Automaticky přeložený název:
Standardní praktiky pro stanovení charakteru výtěžku napuštěné Fabric psací stroj a pásky do tiskáren
NORMA vydána dne 15.2.1993
Označení normy: ASTM F92-93(2003)
Poznámka: NEPLATNÁ
Datum vydání normy: 15.2.1993
Kód zboží: NS-56951
Počet stran: 4
Přibližná hmotnost: 12 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
fabric ribbon, longevity, printer ribbon character yield, typewriter ribbon, typewriter ribbon character yield, wear of fabric ribbons
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. |
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1. Scope | ||||||||||||||||
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 the standard. The SI units given in parentheses are for information only. 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. |
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2. Referenced Documents | ||||||||||||||||
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