Harness, Dickey & Pierce, P.L.C.
Apparatus and device unit for use in the apparatus
An apparatus includes a plurality of installation parts, to each of which a device unit is detachably installed to be used, and a restriction device configured to restrict the device unit having been installed in an unused state to and uninstalled from any one of the plurality of installation parts from being installed to any other installation part of the plurality of installation parts.
Ricoh Company Ltd.
G Y G G B G G
G03G Y10T G03G G03G B41J G03G G03G
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Hiroshi
Yoshizawa