9-12TroubleshootingCustomer Support (U.S.A.)If you cannot solve the problem after having referred to theinformation in this chapter, contact Canon Customer CareCenter at 1-800-OK-CANON Monday through Friday betweenthe hours of 8:00 A.M. to 8:00 P.M. EST. On-line support is alsoavailable 24 hours a day at the websitehttp://www.canontechsupport.com.Please have the following information ready when youcontact Canon:• Product name (imageCLASS MF4570dn/MF4450)• Serial number (a character string which consists of threealphabets and a 5-digit number and is indicated on therating label located on the rear side of the machine)MF4570dn MF4450Rating label Rating label• Place of purchase• Nature of problem• Steps you have taken to solve the problem and the resultsIMPORTANTIf you attempt to repair the machine by yourselfIt may void the limited warranty.Customer Support (Canada)Canon Canada Inc., offers a full range of customer technicalsupport options*:* Support program specifics are subject to change without notice.• For step-by-step troubleshooting, e-mail technical support,the latest driver or document downloads, and answers tofrequently asked questions, visit http://www.canon.ca/• Free live technical support 9 A.M. to 8 P.M. EST Mondaythrough Friday (excluding holidays) for products still underwarranty 1-800-OK-CANON• For the location of the authorized service facility nearestyou, visit http://www.canon.ca/ or 1-800-OK-CANON• If the problem cannot be corrected by using one of theabove technical support options, repair options areavailable at the time of your call to the live technicalsupport number above or via the website athttp://www.canon.ca/* Support program specifics are subject to change without notice.Please have the following information ready when youcontact Canon:• Product name (imageCLASS MF4570dn/MF4450)• Serial number (a character string which consists of threealphabets and a 5-digit number and is indicated on therating label located on the rear side of the machine)MF4570dn MF4450Rating label Rating label• Place of purchase• Nature of problem• Steps you have taken to solve the problem and the resultsIMPORTANTIf you attempt to repair the machine by yourselfIt may void the limited warranty.If You Cannot Solve a ProblemWARNINGIf the machine makes strange noises or emits smoke orodd odorTurn OFF the power switch immediately, disconnect thepower cord, and contact Canon Customer Care Center.Do not attempt to disassemble or repair the machineyourself.WARNINGIf the machine makes strange noises or emits smoke orodd odorTurn OFF the power switch immediately, disconnect thepower cord, and contact Canon Customer Care Center.Do not attempt to disassemble or repair the machineyourself.
