Nozzle check on Epson printer can be done by the nozzle check utility printer software or by using printer control panel ensure that A4or letter paper is there in the tray using the software click utility click nozzle check button follow the further instruction appearing on screen for any further assistance contact Epson printer Customer care number UK if there is any technical query you can visit our website http://www.printerhelpnumbers.co.uk/epson-printer-customer-care-uk.php