Electrophotography – Diagnostics – Consumable
Patent
1996-12-26
1998-11-10
Smith, Matthew S.
Electrophotography
Diagnostics
Consumable
399 24, 399 25, G03G 1500
Patent
active
058358188
ABSTRACT:
A life informing device for a charge body includes a body to be charged, and a charging member for charging the charge body. The charging member is adapted to receive an oscillating voltage and to be in contact with the charge body during the charging operation. Also provided is an informing device for visually or acoustically informing the user whether the charge body reaches the end of the life time thereof, based on an accumulated time of the application time during which the oscillating voltage is applied.
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Hibi Takashi
Hoshika Norihisa
Ishii Yasuyuki
Ogata Hiroaki
Shoji Takeo
CANON Kasbushiki Kaisha
Smith Matthew S.
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