Significance and Use This test is useful in determining particle
size characteristics of dry toners used in electrostatic imaging
devices such as copiers and laser printers. It is a practiced
method for use in quality control of toner particle size. 1.1
This test method covers aperture particle size analysis using an
electronic sensing zone apparatus provided with a digital pulse
processor. Dry inks, toners, and so forth, are covered.
Particles as small as 1 μm and as large as 120 μm can be
analyzed. 1.2 The values stated in SI units are to be regarded
as standard. No other units of measurement are included in this
standard. 1.3 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. dry
toners; particle size; Dry toners; Electronic sensing zone
apparatus; Electrostatic copier; Particle