88 Duplex (double-sided) printingD UPLEX (DOUBLE- SIDED) PRINTINGIf your printer has a duplex unit installed you can print on bothsides of the paper, to save paper, weight, bulk and cost.> Only paper can be used for duplex printing, nottransparencies or other media.> Use paper stock of 75–120 g/m². If you experienceexcessive curling with 75–90 g/m² paper, use 105 g/m².> Use standard sized paper stock only, e.g. A4, A3, Letter,etc.> Load the paper print side up. Ream wrappers are usuallymarked with an arrow, indicating which is the print side.> Paper can be fed from standard paper trays, including thehigh capacity feeder if you have one, but not from themultipurpose tray.> Do not set the paper weight to Ultra Heavy.> Do not enable the White Page Skip function.
