Canon MX450 series Online Manual page 73

You can change the device name of the machine, passkey, and so on from the Bluetooth
settings screen.
Setting Bluetooth Printing
Note
Communication is possible in a range of up to about 33 ft. / 10 m depending on the conditions
below. Printing speed may vary depending on the following conditions:
Presence of obstacles between the communication equipment, and radio conditions.
Presence of magnetic fields, static electricity, or electromagnetic interference.
Receiver sensitivity and antenna performance of the communication equipment.
Video files cannot be printed.
Depending on your mobile phone, data saved on a memory card may not be printed.
About transmittable data
Due to security settings on the mobile phone, downloaded content or photos downloaded
from a URL attached to an E-mail cannot be printed.
Depending on the size of a photo, it may take a while for this machine to start printing after
starting wireless communication.
Printed quality and orientation (portrait or landscape) are determined automatically
according to the shot photo size.
Depending on the photo size shot on the mobile phone, the edges of the image may be cut
off when performing borderless printing; the margin size may change when printing with
borders.
If the photo file is over 1.8 MB in size, it may not be possible to send the file.