JPS5762077A - Electrostatic latent-image developing method using high-resistence magnetic toner - Google Patents

Electrostatic latent-image developing method using high-resistence magnetic toner

Info

Publication number
JPS5762077A
JPS5762077A JP13788980A JP13788980A JPS5762077A JP S5762077 A JPS5762077 A JP S5762077A JP 13788980 A JP13788980 A JP 13788980A JP 13788980 A JP13788980 A JP 13788980A JP S5762077 A JPS5762077 A JP S5762077A
Authority
JP
Japan
Prior art keywords
developing
magnetic toner
electrostatic latent
alternating
sleeve
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
JP13788980A
Other languages
Japanese (ja)
Inventor
Toshio Yamamoto
Shizuo Yuge
Nobuo Kito
Susumu Sakakibara
Takuma Ishikawa
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP13788980A priority Critical patent/JPS5762077A/en
Publication of JPS5762077A publication Critical patent/JPS5762077A/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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0907—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush with bias voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Developing For Electrophotography (AREA)

Abstract

PURPOSE:To achieve high-density development with stable picture quality, by forming a magnetic brush on a developing sleeve surface with a developer made of high- resistance magnetic toner and by applying it with an alternating developing bias. CONSTITUTION:In a 10<4>V/cm electric field, >=10<13>cm high-resistance magnetic toner is used to form a magnetic brush, which moves in the peripheral direction of a developing sleeve 7, on the external peripheral surface of the sleeve, and the nap of the brush is restricted by a restricting plate 9 to rub against the surface of a photosensitive drum 1, thereby developing an electrostatic latent image. During the development, an alternating developing bias is applied from a power source 10 through the developing sleeve 7 while the voltage value of the alternating developing bias is so set that the peak value of the electric field between the photosensitive drum 1 and developing sleeve 7 is greater than 4.2V/mum and less than 6.2V/mum.
JP13788980A 1980-10-01 1980-10-01 Electrostatic latent-image developing method using high-resistence magnetic toner Pending JPS5762077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13788980A JPS5762077A (en) 1980-10-01 1980-10-01 Electrostatic latent-image developing method using high-resistence magnetic toner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13788980A JPS5762077A (en) 1980-10-01 1980-10-01 Electrostatic latent-image developing method using high-resistence magnetic toner

Publications (1)

Publication Number Publication Date
JPS5762077A true JPS5762077A (en) 1982-04-14

Family

ID=15209040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13788980A Pending JPS5762077A (en) 1980-10-01 1980-10-01 Electrostatic latent-image developing method using high-resistence magnetic toner

Country Status (1)

Country Link
JP (1) JPS5762077A (en)

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