Single Component Non-Magnetic Development System for High-Speed Desktop Printer
Abstract:In general, two-component development system has been widely used for high-speed printing machines because of its high reliability, durability, and color printing ability. Recently, the printing speed of desktop printer has been increasing and price has been dramatically decreasing in response to the market needs. However, two-component development system has a limit in reducing its cost when it is applied to desktop printer.
Otherwise single component non-magnetic development system has been proposed as an alternative for desktop laser printer because of its low cost, small size, and color printing ability. In particular, there has been considerable attention on non-contact type single component developing method due to its high image resolution.
There are several problems such as image quality, reliability, durability, and toner contamination in the machine as printing speed of development system increases. These problems have been improved remarkably by optimizing properties of developing roller, formulation of toner, and thin-layer-forming mechanism of metering blade.
However, one of the unsolved problems in non-contact type development system is the contamination in the machine by scattered toner particles that come from the airflow between photoconductive drum and developing roller.
In this research, we investigated and analyzed the noncontact type single component non-magnetic development system for high-speed machine. We experimentally studied the effect of toner layer, toner charge and developing gap. We also calculated the airflow in the developing apparatus by numerical simulation.
Document Type: Research Article
Publication date: January 1, 2004
For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.
Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.
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