In case your Canon All-in One printer is making mechanical noise then there is nothing to worry about as such noise occur when your printer performs internal maintenance check. The printer run maintenance check when:
• You turn on the printer.
• Replace the print head.
• Reset the print head.
• Install a new ink cartridge.
• Open or close the printer access door.
• Or finish processing a print job.
In case at other occasion you hear strange sounds then please contact us at Canon Printer Toll Free Number UK for assistance.