2-6 Preparation for UsageLoading EnvelopesUp to 20 envelopes may be loaded in the MP tray.Acceptable envelope sizes are as follows.1 Open the MP tray.2 Adjust the paper width guides to the width of the envelope.3 For landscape form envelopes, close the flap. Insert the envelope allthe way along the width guides, keeping the printing side face-upand the flap closed.For portrait form envelopes, open the flap. Insert the envelope all theway along the width guides, keeping the printing side face-up andthe flap positioned opposite to the entrance.Acceptable Envelope SizeMonarch 3 7/8 × 7 1/2"Comm. #10 4 1/8 × 9 1/2"Envelope DL 110 × 220 mmEnvelope C5 162 × 229 mmExecutive 7 1/4 × 10 1/2"Comm. #9 3 7/8 × 8 7/8"Comm. #6-3/4 3 5/8 × 6 1/2"ISO B5 176 × 250 mmEnvelope C4 229 × 324 mmOufuku Hagaki 148 × 200 mmYoukei 2 162 × 114 mmYoukei 4 234 × 105 mmIMPORTANT How envelopes are loaded (orientation and facing)will differ depending on the type of envelope. Be sure to load themcorrectly, otherwise they may be printed in the wrong direction oron the wrong face.Note When you load envelopes in the MP tray, select theenvelope type by referring to Specifying the Media Type for theMP Tray on page 2-13.