发明名称 Image forming apparatus, image formation control method, and computer program product
摘要 Correction patterns are formed on a conveyor belt that conveys a transfer paper. The correction patterns are include positional-deviation correction patterns arranged at both sides of the conveyer belt and density correction patterns (patches) formed in the central region of the conveyer belt in the main scanning direction.
申请公布号 US7952774(B2) 申请公布日期 2011.05.31
申请号 US20070889004 申请日期 2007.08.08
申请人 RICOH COMPANY, LIMITED 发明人 IKEDA HIROAKI
分类号 G03F3/08 主分类号 G03F3/08
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