A system and method for tool-lessly attaching a rack slide assembly to a rack. The browser software component may interpret data sent to any peripheral port on the computer, including serial ports, Universal Serial Bus ports, and Ethernet ports. An image forming apparatus further includes a first mechanism that causes the first unit and the second unit to move toward or away from each other, a moving member that moves the first mechanism, and a second mechanism that causes the second unit and the third unit to move toward or away from each other in conjunction with a movement of the first mechanism. An image-forming method using the thermal transfer recording medium, and an image-bearing body formed from the thermal transfer recording medium are also disclosed.