发明名称 |
Electrostatic printing apparatus with heated adjustable pressure toner fixing rolls |
摘要 |
An electrostatic printing apparatus capable of printing both normal sheets of paper and composites such as envelopes. In accordance with a mode in which normal sheets are printed and with the other mode in which envelopes are printed, transfer current applied to a transfer charger, fixing pressure applied to between a pair of fixing rollers, and heat generation of the heat source(s) in the fixing roller(s) can be changed respectively to those suitable for the sort of a transfer member. This change can be performed manually, or controlled automatically based on a signal issued from a member sorting sensor disposed in a paper supply portion.
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申请公布号 |
US4753543(A) |
申请公布日期 |
1988.06.28 |
申请号 |
US19860870706 |
申请日期 |
1986.06.04 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
MOCHIMARU, HIDEAKI;IDENAWA, HIROYUKI;MAKITA, NOBUHIRO;TANAKA, YOSHIAKI;MIYAMOTO, MASAYOSHI;KANDA, HAJIME |
分类号 |
G03G15/00;G03G15/20;(IPC1-7):B41J3/02 |
主分类号 |
G03G15/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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