User's Guide
Page 183
... Feeder (MPF) 1 First print the even pages (rear sides). The orange LED lights and the message appears on curled paper, straighten the paper and then insert it into the feeder. Manual Duplex Printing (Windows Printer Driver Only) NOTE: When printing on the LCD when the even pages finish ...in the order page 1 (rear of page 2), page 3 (rear of page 4), then page 5 (rear of page 6, page 4, then page 2. NOTE: The XPS printer driver does not support manual duplex printing. When you start manual duplex printing, the instruction window appears. Note that Insert Output into the MPF.
... Feeder (MPF) 1 First print the even pages (rear sides). The orange LED lights and the message appears on curled paper, straighten the paper and then insert it into the feeder. Manual Duplex Printing (Windows Printer Driver Only) NOTE: When printing on the LCD when the even pages finish ...in the order page 1 (rear of page 2), page 3 (rear of page 4), then page 5 (rear of page 6, page 4, then page 2. NOTE: The XPS printer driver does not support manual duplex printing. When you start manual duplex printing, the instruction window appears. Note that Insert Output into the MPF.