Paper 13 EnvelopesData cannot be printed inside the 10 mm-border around the envelope.Adjust the location for printing according to your needs..Paper that Cannot Be UsedTo prevent malfunctions such as paper jams or printer malfunctions, do not usepaper indicated below.IMPORTANT• Paper that tends to cause paper jams.- Paper that is too thick or thin.- Paper that is shaped irregularly.- Paper that is damp or wet.- Paper that is torn.- Paper that is rough or extremely smooth.- Paper with perforations.- Paper that is curled or paper with creases.- Paper with special coating on its surface (coated paper for ink jet printers, etc.).- Labels sheets in which the base peels easily.- Paper that has been printed or copied on one side by a copier or a different laser printer(the non-printed side is also disabled).- Paper that has fins.- Paper that is wrinkled.- Paper that is folded at corners.• Paper in which the quality changes at high temperature.- Paper printed with ink that is capable of melting, burning, dissolving, or generatingpoisonous gas from the heat of the fixing unit (approx. 320 °F(160 °C)).- Heat-sensitive paper.- Paper with a processed surface that is used for color printing.- Paper with special coating on its surface (coated paper for ink jet printers, etc.).- Paper with adhesive on its surface.10 mm 10 mm10 mm10 mm105 mm235 mm(Sample: Youkei No.4 envelope)