Canon BJ-200ex - Manual (Page 102)

4. Press the POWER button to turn the printer back on. The
POWER, ON LINE, and HQ (or HS or SMOOTHING) lights
come on and the print head moves to the home position. The
printer is now ready for printing.
If you are printing high density graphics when a paper jam
occurs, feed at least two sheets of paper through the printer
to clean the rollers.
If the platen is soiled, wipe it clean with a dry cloth.