A system (200; 300) to intermittently assemble identification documents, an identification document comprising a substrate with a first surface and a second surface, the first and second surfaces being laminated, said system comprising: a first inkjet printer (202; 302) operable to print first information on a first surface of a substrate sheet, said first inkjet printer including a print tray (202a; 302a) or input to receive the substrate sheet; a conveyor (203, 204a; 303,305') to convey the once printed substrate sheet from the first ink jet printer to be positioned to receive printed information on a second surface of the substrate sheet; the first ink jet printer or a second ink jet printer arranged to receive the once printed substrate sheet from the conveyor, wherein the conveyor is arranged to convey the once printed substrate sheet, said sheet being conveyer in such a manner so as to position a second surface of the substrate sheet to receive second information from the said first or second ink jet printer, the said first or second ink jet printer being operable to print the second information on the second surface of the substrate sheet; a laminator operable to receive the twice printed substrate sheet and to provide a first laminate (2 1 2a) in contact with the first surface of the twice printed substrate sheet and a second laminate in contact with the second surface of the twice printed substrate sheet, the laminator operable to laminate the first laminate to the first surface of the twice printed substrate sheet and to laminate the second laminate to the second surface of the twice printed substrate sheet; the laminated twice printed substrate sheet forming the identification document. a first inkjet printer (202; 302) operable to print first information on a first surface of a substrate sheet, said first inkjet printer including a print tray (202a; 302a) or input to receive the substrate sheet; a conveyor (203, 204a; 303,305') to convey the once printed substrate sheet from the first ink jet printer to be positioned to receive printed information on a second surface of the substrate sheet; the first ink jet printer or a second ink jet printer arranged to receive the once printed substrate sheet from the conveyor, wherein the conveyor is arranged to convey the once printed substrate sheet, said sheet being conveyer in such a manner so as to position a second surface of the substrate sheet to receive second information from the said first or second ink jet printer, the said first or second ink jet printer being operable to print the second information on the second surface of the substrate sheet; a laminator operable to receive the twice printed substrate sheet and to provide a first laminate (2 1 2a) in contact with the first surface of the twice printed substrate sheet and a second laminate in contact with the second surface of the twice printed substrate sheet, the laminator operable to laminate the first laminate to the first surface of the twice printed substrate sheet and to laminate the second laminate to the second surface of the twice printed substrate sheet; the laminated twice printed substrate sheet forming the identification document.