Electrophotography – Image formation – Transfer
Reexamination Certificate
2006-07-11
2006-07-11
Lee, Susan (Department: 2852)
Electrophotography
Image formation
Transfer
C347S116000
Reexamination Certificate
active
07076195
ABSTRACT:
A belt unit includes a belt member, scale marks, a scale mark detector, a reference mark, and a reference mark detector. The belt member makes an endless movement while being stretched by stretching members. The scale mark detector detects the scale marks, and the reference mark is provided at a predetermined position on the surface of the belt member. The reference mark detector detects whether the reference mark is present at the predetermined position.
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Lee Susan
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Ricoh Company Limited
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