ASTM F1520-94(2008) - 1.7.2008
 
Significance and Use

This test method can be used to evaluate the drive torque for cartridges from one or more lots intended for a common typewriter or printer. This test method may be used to indicate possible cartridge function problems in the end use equipment or as a means of manufacturing control or research.

 
1. Scope

1.1 This test method describes a procedure for determining the drive torque of typewriter and printer cartridges using a handheld torque gage. This test method is applicable to cartridges that contain film or fabric inked ribbons.

1.2 A related standard, Test Method F 1050, covers the procedure for determining tension and torque using a test fixture platform with a torque measurement motor.

 
2. Referenced Documents

F221-98

Standard Terminology Relating to Carbon Paper and Inked Ribbon Products and Images Made Therefrom

F1050-87(2000)e1

Standard Test Method for Determining Winding Torque and Tension of Typewriter Ribbons

E691-23

Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

E177-20

Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods