Paper: Evaluations of toner supply capabilities for some typical two-component developing systems
Abstract:Two-component developing system has an advantage in durability for high speed and heavy-duty use in an electrophotographic laser printer. For achieving high speed and heavy duty printing, the most important factor is toner supply capability from developing rolls to a photo-conductor surface.
In this study, the capability with print speed for each method on the two-component developing system employing magnet rolls composed of rotating sleeves with stationary core including a donor rolls system is examined. For the examinations, some assumptions for factors, which affects to the toner supply capability, and toner mass on the photo-conductor are made.
As a result, we found typical speed ranges and their characteristics for the toner supply capability in the two-component developing systems. 700 mm/s print speed can be achieved by the examined methods. The print speed exceeding 1500 mm/s can be achieved by a method of two-roll use of the rotating sleeve with stationary core magnet rolls of 50 mm diameters with different rotation direction.
Document Type: Research Article
Publication date: January 1, 2007
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.
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