Canon PowerShot G2 (PC1015) Reference Manual page 160

The following messages may appear when the camera is connected to the Direct
Print compatible Bubble Jet Printer.
Check the error number displayed on the control panel of Bubble Jet Printer and refer
to the Bubble Jet Printer Quick Start Guide.
Printer in use:
Printer warming up:
No printhead:
Printer cover open:
Media type error:
Paper level error:
Low ink level:
Waste tank full:
Printer error:
12
Printing with the Direct Print Compatible Bubble Jet Printer (Optional)
The printer is printing the data from the memory card
inserted in the computer or printer. The printer
automatically starts printing the images from the
camera after completing the current printing.
Printer is warming up. When it is ready, the printer
starts printing automatically.
No print head is installed in the printer.
Close the printer cover securely.
A paper incompatible with the Print Style has been
selected. Set a paper compatible with the Print Style
you chose.
Adjust the paper selection lever to the proper position.
The ink tank needs to be replaced soon. Prepare a
new ink tank. If you select [Continue] in the error
screen, you can restart printing.
You can restart printing by pressing the RESUME/
CANCEL button on Bubble Jet Printer. Please request
replacement of the waste tank to the shop where you
purchased the printer or your nearest Canon customer
support center listed in the Bubble Jet Quick Start
Guide.
Turn off the printer, then turn it on again. If the error
persists, please consult your nearest Canon customer
support center listed in the Bubble Jet Quick Start
Guide.