Canon S300 User Manual page 97

The paper roller starts rotating ten times as it cleans.
Repeat this three times.
3
Load a sheet of A4 or Letter sized plain paper in the printer.
4
Hold the RESUME/CANCEL button down and release as the POWER
lamp flashes three times to feed the sheet.
Repeat this three times.
If the printer still does not feed the envelopes through even after the
cleaning, repeat Step 4 again.
Printer Driver Settings
• Media Type: Envelope
• Page Size: Select either DL Env. or #10 Env. according to the envelope size you
are using
• Orientation: Landscape
Handling of Printed Output
Remove each envelope as it is printed.
Printable Area
Printing Area
Printing Media
Envelopes 97