To provide a packing box for printer which accommodate/store a printer body, and auxiliary device, and by which an auxiliary device is accommodated/stored without enclosing the auxiliary device, without using a specially provided storing box for exclusive use used to accommodate/store the auxiliary device in the packing when the auxiliary device is not used.

In a packing box 106 used for distributing a printer stored therein, a partition member 105 disposed in the box 106 and separating the printer body and other enclosed items has at least a means capable of accommodating or storing the enclosed items or capable of being formed into a box separate from the packing box or a means added to the printer in order to aid the conveying function of the printer.