PictBridge uses communication
between the digital camera and printer from when they are connected until it is
safe to disconnect; the connection status can be shown on the digital-camera LCD
display. The information specified below can be displayed.
Print error (e.g., no media, media jam, no ink)
Message indicating that it is safe to disconnect the cable
These convenient functions
must be supported by both the digital camera and printer, and are not necessarily
available on all devices.