HI if someone can help me .My printer would not work on my computer.I had a lexmark on my Acer.Can.t deleate the lexmark so I can install a cannon printer.Every time I try to install the cannon the program trys to install the lexmark with the cannon program.And for some reason the acer won,t deleate the lexmark. HELP please sighed a modeler without modelswall1wall1wall1