Title:
画像形成装置
Document Type and Number:
Japanese Patent JP4920369
Kind Code:
B2
Abstract:
A CPU ( 91 ) of an image forming apparatus of the present invention includes a beam detecting part ( 911 ) that detects each of laser beams scanning by a predetermined number (e.g., four) of polygon mirrors ( 332 ) at a preset position (where a beam sensor ( 335 ) is disposed), a reference phase setting part ( 912 ) that sets a reference phase that is a phase to be a reference of the predeterminednumber of rotation phases of the polygon mirrors ( 332 ) based on a result of detection by the beam detecting part ( 911 ), and a phase control part ( 913 ) that controls polygon motor ( 330 ) so that predetermined number of rotation phases of the polygon mirrors ( 332 ) match the reference phase.
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Inventors:
Tomoyuki Kitao
Application Number:
JP2006294120A
Publication Date:
April 18, 2012
Filing Date:
October 30, 2006
Export Citation:
Assignee:
Kyocera Mita Co., Ltd.
International Classes:
B41J2/44; G02B26/12; G03G13/04; G03G15/01; G03G21/14; H04N1/113; H04N1/23
Domestic Patent References:
| JP9233281A | ||||
| JP2005144853A |
Attorney, Agent or Firm:
Shizuo Sano