Corotron for transfer

Abstract

Abstract PURPOSE:To prevent specified ions from remaining nearby a photosensitive body by connecting a means which applies a plus and a minus voltage selectively to a discharge wire, and applying a voltage of the opposite polarity from toner during transfer operation and a voltage of the same polarity with the toner when transfer operation is not performed. CONSTITUTION:A high voltage power source 24 which generates a high plus voltage and a high voltage power source 25 which generates a high minus voltage are connected to the discharge wire 22 of a corotron 7 for transfer in parallel. Then when the transfer operation is performed, voltage of the opposite polarity from the toner, i.e. minus voltage is applied to the transfer corotron 7, but a selection switch 26 is changed over to its minus side right after the transfer operation to apply the plus voltage for several seconds. Therefore, when continuous recording is carried out, the minus and plus voltages are applied alternately. Consequently, H2OnH<+> ions generated during the transfer operation are neutralized by CO2 ions generated when the transfer is not performed, thereby preventing constant ions from remaining at the periphery of the photosensitive body 2.

Inventors

• 👤 Masayuki Tanaka
• 👤 雅幸 田中
• 👤 Kazuyuki Goto
• 👤 一幸 後藤
• 👤 Masaru Takeuchi
• 👤 勝 武内
• 👤 Takeo Fukatsu
• 👤 深津　猛夫
• 👤 Hisao Haku
• 👤 白玖　久雄
• 👤 Yukinori Kuwano
• 👤 桑野　幸徳
• 👤 Koji Minami
• 👤 浩二 南
• 👤 Toshihiko Yamaoki
• 👤 山置　俊彦
• 👤 Masayuki Iwamoto
• 👤 岩本　正幸
• 👤 Junji Maeda
• 👤 淳次 前田

Bibliographic Details