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Volume: 23 | Article ID: art00053_1
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A study on the charge-control mechanism
Jin Mizuguchi
Akio Hitachi
Yohei Sato
Kazuya Uta
  DOI :  10.2352/ISSN.2169-4451.2007.23.1.art00053_1  Published Online :  January 2007
Abstract

A charge-control mechanism of CCA (Charge Control Agent) has been proposed in the present investigation that assumes an appreciable temperature increase at the “toner/carrier” interface due to the tribo-electrification. Further assumption is that CCA be present on the surface of both toner and carrier. Because of the present local heating, the electrical resistivity of CCA is remarkably decreased to give a conductive channel, through which the carrier-flow occurs effectively to charge up the toner. These two assumptions have experimentally been verified. Especially, the local heating up to around 100 °C has been confirmed by using a pigment-marker which changes its color from black to red. Around this temperature, the electrical resistivity of CCA is also found to be significantly lowered by three orders of magnitude as deduced from the temperature dependence of the electrical resistivity.

Journal Title : NIP & Digital Fabrication Conference
Publisher Name : Society of Imaging Science and Technology
Publisher Location : 7003 Kilworth Lane, Springfield, VA 22151, USA
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 DOI 10.2352/ISSN.2169-4451.2007.23.1.art00053_1
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Jin Mizuguchi, Akio Hitachi, Yohei Sato, Kazuya Uta, "A study on the charge-control mechanism"  in Proc. IS&T Int'l Conf. on Digital Printing Technologies and Digital Fabrication (NIP23),  2007,  pp 217 - 220,  https://doi.org/10.2352/ISSN.2169-4451.2007.23.1.art00053_1

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Copyright © Society for Imaging Science and Technology 2007
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NIP & Digital Fabrication Conference
nip digi fabric conf
2169-4451
Society of Imaging Science and Technology
7003 Kilworth Lane, Springfield, VA 22151, USA
2169-4451(20070101)2007:1L.217;1-
nip_v2007n1/splitsection53.xml
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Articles
A study on the charge-control mechanism
MizuguchiJin
HitachiAkio
SatoYohei
UtaKazuya
01012007
2007
1
217
220
2007
A charge-control mechanism of CCA (Charge Control Agent) has been proposed in the present investigation that assumes an appreciable temperature increase at the “toner/carrier” interface due to the tribo-electrification. Further assumption is that CCA be present on the surface of both toner and carrier. Because of the present local heating, the electrical resistivity of CCA is remarkably decreased to give a conductive channel, through which the carrier-flow occurs effectively to charge up the toner. These two assumptions have experimentally been verified. Especially, the local heating up to around 100 °C has been confirmed by using a pigment-marker which changes its color from black to red. Around this temperature, the electrical resistivity of CCA is also found to be significantly lowered by three orders of magnitude as deduced from the temperature dependence of the electrical resistivity.