| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus in which a plurality of paper feeding units can be discriminated with a small number of signals. <P>SOLUTION: In the apparatus, paper feeding unit selection signals received by a 2nd communication means 20 are reshuffled by a conversion means 21, processed by logical operation and paper feeding unit selection signal converted by the converting means 21 is fed to a lower paper feeding unit with a 3rd communication means 22. <P>COPYRIGHT: (C)2003,JPO |
