Patent ID: 7370958

Claim:
A multi-purpose digital printer comprising: a main body with a predetermined height and width; a head unit including a cartridge moving horizontally according to the direction of the main body, and a head at the one side of the cartridge injecting ink to print on a printing material supplied from the rear of the main body; a transfer means including a front and a rear transfer rollers coupled with a transfer motor in the front and the rear of the main body respectively, and a track laying and adhesive transfer belt connecting the front and the rear transfer rollers making the printing material movement stable; a rear transfer means including a rear bobbin axis installing a bobbin wired by the printing material in the rear of the main body, and multiple rear rollers at a predetermined position adjacent to the rear bobbin axis stably transferring the printing material in the forward direction; a front transfer means at the front of the main body, winding the printing material past the transfer belt by the rear transfer means to a front bobbin axis; a washing means eliminating the residues of the injected ink of the transfer belt and adhered foreign substances by rotation of a roller brush driven by a motor of the main body; a belt heater at a predetermined position on the bottom of the main body eliminating moisture and maintaining the sticky state of the transfer belt passing through the washing means; and a press means on the top of the rear transfer roller, to press the printing material passing though the transfer belt in a predetermined pressure by using a roller, wherein the press means includes: an operation link rotating in a predetermined angle by eccentric hinges installed on both sides of the main body; a handle operating the one end of the operation link; multiple fixing holes at the other operation link; multiple adjusting holes corresponding to the multiple fixing holes at the other operation link; a stopper passing through the adjusting hole of the main body joins the adjusting hole with the corresponding fixing hole; and a roller rotatable at the two operation links.