Patent Document ID: 4788575
Application ID: 07007753

Base Claim:
1. A copying machine comprising: a copying machine body having a glass plate on which a document to be copied is placed; document feeding means for automatically forwarding said document to said glass plate; document turnover means for turning over from one side to another side a document discharged from said document feeding means and sending said document back to said document feeding means; copy side designating means selectively designating a two-sided copy mode by which both sides of said document are copied; an attachment detecting means for detecting whether said document turnover means is attached to said copying machine body in a state ready to be used; prohibiting means for inhibiting the use of said document feeding means when said two-sided copy mode is designated by said copy side designating means and said document turnover means is detected by said detecting means as not ready to be used.

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Claim 2:
2. The copying machine as claimed in claim 1, wherein said prohibiting means is a display means.