JPS6268159U - - Google Patents

Info

Publication number
JPS6268159U
JPS6268159U JP15924485U JP15924485U JPS6268159U JP S6268159 U JPS6268159 U JP S6268159U JP 15924485 U JP15924485 U JP 15924485U JP 15924485 U JP15924485 U JP 15924485U JP S6268159 U JPS6268159 U JP S6268159U
Authority
JP
Japan
Prior art keywords
charger
abnormality
detection means
value
sampling
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
JP15924485U
Other languages
English (en)
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 filed Critical
Priority to JP15924485U priority Critical patent/JPS6268159U/ja
Publication of JPS6268159U publication Critical patent/JPS6268159U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示すブロツク図、
第2図は実施例における異常検出処理を示すフロ
ーチヤート、第3図は帯電器の金属線が切断した
ときの帯電電流の変化を示す図である。 1…感光ドラム、2…帯電電源、3…帯電器、
7…抵抗、9…AD変換器、10…演算回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 コロナ放電によつて感光体を帯電させて感光性
    を与える帯電器を備えた複写機において、 前記帯電器の帯電電流を検出する検出手段と、
    この検出手段の出力信号を所定周期でサンプリン
    グし、前回のサンプリング値と今回のサンプリン
    グ値との差が所定値以上か否かを比較することに
    より、帯電器の異常を検出する演算手段とを備え
    た帯電器の異常検出回路。
JP15924485U 1985-10-17 1985-10-17 Pending JPS6268159U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15924485U JPS6268159U (ja) 1985-10-17 1985-10-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15924485U JPS6268159U (ja) 1985-10-17 1985-10-17

Publications (1)

Publication Number Publication Date
JPS6268159U true JPS6268159U (ja) 1987-04-28

Family

ID=31083494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15924485U Pending JPS6268159U (ja) 1985-10-17 1985-10-17

Country Status (1)

Country Link
JP (1) JPS6268159U (ja)

Similar Documents

Publication Publication Date Title
JPS55153970A (en) Developer replenishing time detector
JPS63137527U (ja)
JPS61128661U (ja)
JPH01157363U (ja)
JPS63100928U (ja)
JPS62197150U (ja)
JPS6261131U (ja)
JPS5766445A (en) Controlling method for extent of charging of electrophotographic copying machine
JPS6221740U (ja)
JPS62170951U (ja)
JPS5840761U (ja) 電子写真複写機用高圧電源の警報装置
JPS6287357U (ja)
JPS6368011U (ja)
JPS62108857U (ja)
JPH01162766U (ja)
JPS6188441U (ja)
JPS63135352U (ja)
JPS61148072U (ja)
JPS5971358U (ja) 複写機のコロナ帯電器
JPS6156582U (ja)
JPH03106846U (ja)
JPS61141947U (ja)
JPH02136275U (ja)
JPS6438651U (ja)
JPS6214378U (ja)