16 Before Printing Loading EnvelopesEnvelopes must be fed from the Auto Sheet Feeder. Use either European DL or US Comm. Env.#10-sized envelope.1 Retract the Paper Support.2 Load the envelope against the Cover Guide(the right side of the Paper Support).Load with the front face UP and the rear flapsDOWN on the left.A maximum of 10 envelopes can be loaded atonce.3 Pinch the Paper Guide and slide it against theleft side of the envelope.4 Press the Paper Feed Switch so that the Auto Sheet Feeder lamp lights up.5 Set the Paper Thickness Lever to the right.6 In the printer driver, select Envelope in Media Type, and then select DL Env. orComm. Env. #10 in Page Size.For details on printer driver settings, see “Printing with Windows” on page 22 or “Printing withMacintosh” on page 23.Importantz You need to print from the computer to print on envelopes.z Do not use envelopes with embossed or treated surfaces, a double flap, pressure seals, orsticker flaps.z Select either DL Env. or Comm. Env. #10 in the printer driver according to the envelope sizeyou are using. If you do not, the address will be printed in the wrong direction.ImportantEnvelopes may not be fed properly if the Paper Support is extended.ImportantMake sure that the Cover Guide is set upright. *143*1 Printing orientation*2 Make sure the flaps are folded.1 *2 25