C9600 User’s Guide> 31the face-up paper stacker. This ensures that the paper path throughthe printer is almost straight.The multi-purpose tray can feed paper widths as small as 76.2mmand lengths up to 1200mm. For banner printing, recommendedsizes are A4 wide, 900mm and 1200mm long and weight 128g/m².Since paper of width less than 100mm does not autofeed, you haveto press the ONLINE button to cause it to feed.Use the multi purpose tray for printing on envelopes andtransparencies. Up to 100 sheets of transparencies or 25 envelopescan be loaded at one time, subject to a maximum stacking depth of25mm.Paper or transparencies should be loaded print side up and top edgeinto the printer. Do not use the duplex (two-sided printing) functionfor transparencies.FACE-DOWN STACKERThe face-down stacker on the top of the printer can hold up to 500sheets of 80g/m² standard paper, and can handle paper stocksfrom 64 – 216g/m². Pages printed in reading order (page 1 first)will be sorted in reading order (last page on top, facing down).FACE-UP STACKERThe face-up stacker should be opened and the tray extension pulledout when required for use. (With the face-up stacker either open orclosed, the driver setting of Face Down will successfully direct printsto the Face-Down stacker.)The face-up stacker can hold up to 250 sheets of 80g/m² standardpaper and can handle stocks up to 268g/m².Always use this stacker and the multi-purpose feeder for paperstocks heavier than 216g/m².DUPLEX UNIT (IF INSTALLED)This unit provides automatic two-sided printing on plain paper fedfrom Trays 1 – 5 or the MP Tray. Applicable paper sizes are A6, A5,B5, B5LEF, Executive, A4, A4LEF, Letter, LetterLEF, Legal 13 in,Legal 13.5 in, Legal 14 in, B4, Tabloid, Tabloid Extra, A3, A3 Wide,A3 Nobi, Custom size (100 – 328mm wide, 148 – 457.2mm long),using paper stocks in the range 64 – 120g/m².