JPS57172382A - Discharging method for recording material - Google Patents

Discharging method for recording material

Info

Publication number
JPS57172382A
JPS57172382A JP5752981A JP5752981A JPS57172382A JP S57172382 A JPS57172382 A JP S57172382A JP 5752981 A JP5752981 A JP 5752981A JP 5752981 A JP5752981 A JP 5752981A JP S57172382 A JPS57172382 A JP S57172382A
Authority
JP
Japan
Prior art keywords
recording material
bias
potential
bias roller
belt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP5752981A
Other languages
Japanese (ja)
Inventor
Hidekazu Akutsu
Takashi Ezaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP5752981A priority Critical patent/JPS57172382A/en
Publication of JPS57172382A publication Critical patent/JPS57172382A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/32—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head
    • G03G15/321—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by charge transfer onto the recording material in accordance with the image

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)

Abstract

PURPOSE:To lower the potential of the surface of a recording material effectively, by bringing a bias applying member into contact with the surface of the recording material and obtaining a discharge space by this bias applying member and the ruggedness of the surface of the recording material. CONSTITUTION:In this invention, minute rugged parts are provided on all of the surface of a recording material belt 1. Consequently, when a bias roller 20 is brought into contact with the surface this recording material, minute spaces are formed between the bias roller and the surface of the recording material and become gaps for discharge. The polarity of a voltage applied to the bias roller 20 is opposite to that of the voltage applied to a stylus electrode 9, and the voltage applied to the bias roller 20 is so set that the sum of absolute values of the potential of a dot charged part on the belt 1 and the bias potential exceeds the voltage for discharge start between the bias roller 20 and the belt 1. Thus, the potential of the surface of the recording material is lowered efficiently.
JP5752981A 1981-04-16 1981-04-16 Discharging method for recording material Pending JPS57172382A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5752981A JPS57172382A (en) 1981-04-16 1981-04-16 Discharging method for recording material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5752981A JPS57172382A (en) 1981-04-16 1981-04-16 Discharging method for recording material

Publications (1)

Publication Number Publication Date
JPS57172382A true JPS57172382A (en) 1982-10-23

Family

ID=13058264

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5752981A Pending JPS57172382A (en) 1981-04-16 1981-04-16 Discharging method for recording material

Country Status (1)

Country Link
JP (1) JPS57172382A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63148411A (en) * 1986-12-12 1988-06-21 Hitachi Ltd Magnetic recording medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63148411A (en) * 1986-12-12 1988-06-21 Hitachi Ltd Magnetic recording medium

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