According to an aspect of the invention and there is provided a recording material having an ink, ink absorbing particles that absorb the ink, and a curable liquid that cures the substantial surface of the ink absorbing particles. Transistors of the follower circuits are alternately made ON in accordance with a clock signal inputted from a signal input portion for switching to connect the capacitor for stepping up and restricting a current in cooperation with resistors or the like. The first viewing member is configured to enable a viewing of the fluid in the aperture and is adjustable with respect to the housing so that a thickness of the aperture is variable. The first plug includes a first electrical data connector configured for insertion into a receptacle of the host computing device.