Canon BJ-10sx - Manual (Page 46)

5. Press the LF/FF button. The printer positions the sheet of paper.
6. Press the ON LINE button. The printer starts to print the font list.
Stopping the font list
To stop printing the font list, press the ON LINE button.
To eject the sheet of paper, press ON LINE to set the printer off-line,
and then press LF/FF .
Pausing the font list
To pause the printing of the font list, press the PITCH button.
To resume, press PITCH again.
When the font list is paused, you can press the ON LINE to set the
printer on-line.
Sample
In BJ-10e mode, the font list looks like this: