Patent ID: 8864279

Claim:
A printing device comprising: a printer section configured to perform printing on a recording medium with developer; a plurality of first mount sections on which a plurality of kinds of first cartridges is configured to be mounted respectively, each of the plurality of kinds of first cartridges having a memory element for storing cartridge information; a communicating section configured to communicate with the memory element for each of the plurality of kinds of first cartridges via the plurality of first mount sections, the communicating section having a plurality of first terminals and a plurality of second terminals; a plurality of first signal lines connecting the plurality of first terminals with the plurality of first mount sections; and a plurality of second signal lines connecting the plurality of second terminals with the plurality of first mount sections, wherein the plurality of first mount sections forms a plurality of groups, each of the plurality of groups having two or more first mount sections, the two or more first mount sections in each group being connected in common with one of the first terminals via a corresponding first signal line; wherein the two or more first mount sections in one group are connected with respective ones of the plurality of second terminals via respective second signal lines, and each of the second terminals is connected with one of the two or more first mount sections in one group and with one of the two or more first mount sections in another group via a corresponding second signal line; and wherein each of the first terminals is connected with the two or more first mount sections in a specific group, but is not connected with the two or more first mount sections in a group other than the specific group.