The serial number for your PIXMA printer will be 9 characters long and consists of 4 letters followed by 5 numbers e.g. XXXX00000. This will be printed on a sticker and can be found either on the back or inside the printer, some of the possible locations are highlighted below -
On the back of your printer -
Inside your printer -
Please be aware that over time ink can spill onto the white sticker inside the machine which can prevent the serial number from being visible, this can be wiped off with a dry cloth.
You can also find your serial number printed on a white sticker on the side of the box that your PIXMA printer came in. The location of the serial number on this sticker is highlighted in the image below -
Generally, the serial number is located on a sticker on the back of your product although in some models the serial number is located inside the printer. Please refer to the example images below -
SELPHY Compact Photo Printers
The serial number is located at the bottom of the printer as indicated in the image below -