An optical data storage tape includes more than one segment, with each segment divided into multiple zones, which include multiple data tracks. The ink jet printer also includes a guide rail to guide the print head, a transport roller to feed the recording medium, and a cover to prevent the tube member from contacting the roller. The cipher electrically coupled to the storage device and the external memory to receive the key includes an encrypter and a decrypter. Lower ends of the leg portions are coupled to the upper radiator support.