[PDF]    http://dx.doi.org/10.3952/lithjphys.49214

Open access article / Atviros prieigos straipsnis

Lith. J. Phys. 49, 145–162 (2009)


DEPENDENCE OF ELECTROSTATIC FIELD ON PROPERTIES OF PAPER IN A TWO-DIMENSIONAL TONER IMAGE TRANSFER NIP
J. Kaladėa, R. Maldžiusa, J. Sidaravičiusb, P. Sirviöc,d, and K. Backfolkc
aVilnius University, Saulėtekio 9, LT-10222 Vilnius, Lithuania
bVilnius Gediminas Technical University, J. Basanavičiaus 28, LT-03224, Lithuania
E-mail: jonas.sidaravicius@takas.lt
cStora Enso Oyj, Imatra Research Centre, FI-55 800 Imatra, Finland
dÅbo Akademi University, Department of Physical Chemistry, Porthaninkatu 3-5, FI-20 500 Turku, Finland

Received 3 December 2008; revised 1 May 2009; accepted 18 June 2009

Electrostatic fields in the toner image transfer nip of laser printers were calculated by exact solution of the Poisson equations for a two-dimensional (2D) model and by applying for the paper the approximation of dielectric thickness. Both the distribution and location of the electric field strength component parallel to the paper surface were investigated and field values were calculated for different paper and toner parameters. The conditions of the occurrence of Paschen discharge in the toner image transfer nip were analysed.
Keywords: electrostatic fields, Poisson equation, electrophotography, toner transfer, paper
PACS: 41.20.Cv, 42.30.Va


ELEKTROSTATINIO LAUKO DVIMATĖJE TONERINIO VAIZDO PERKĖLIMO SRITYJE PRIKLAUSOMYBĖ NUO POPIERIAUS SAVYBIŲ
J. Kaladėa, R. Maldžiusa, J. Sidaravičiusb, P. Sirviöc,d, K. Backfolkc
aVilniaus universitetas, Vilnius, Lietuva
bVilniaus Gedimino technikos universitetas, Vilnius, Lietuva
cStora Enso Oyj Imatros mokslinių tyrimų centras, Imatra, Suomija
d Åbo Akademi universitetas, Turku, Suomija

Tiksliai sprendžiant Puasono lygtį, dvimačiu atveju apskaičiuotas elektrostatinio lauko stiprio pasiskirstymas lazerinio spausdintuvo tonerinio vaizdo perkėlimo srityje, popierių apibūdinant dielektrinio storio artiniu. Ištirta elektrinio lauko stiprio vektoriaus sando, lygiagretaus popieriaus paviršiui, padėtis ir jo vertės bei popieriaus paviršiui statmenas sandas įvairiems popieriaus bei tonerio parametrų rinkiniams. Išanalizuotos Pašeno išlydžio tonerinio vaizdo perkėlimo srityje sąlygos.


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