Canon printer is very easy to use and operate and also gives out the best quality output always, but still if your printer is printing light that means you need to adjust your printer’s toner density for that select print from the file menu in the printer preferences select canon printer to click on adjust toner density further click on ok, for more info talk to the technician at canon printer support number UK. More info visit here: http://www.printerhelpnumbers.co.uk/canon-printer-support-uk.php