Mac OS 8.6-9.2.2 Operation • 109b. Select which Binding you prefer. Normally, the first option isthe default.3. Click Print to print or Save Settings to save and close the printerdialog box.CollatingCollating can be carried out with or without a hard disk drive installed.However, installing an HDD will achieve greater performance.If the software application being used has a collate print option, it isrecommended to use only one collate option to prevent any conflictsin printing, i.e. collate from the software application or collate from theprinter driver.The following instructions explain how to select collating using aprinter driver.1. To access, first select your desired OKI printer.NOTEDuplex printing can only be carried out on standard papersizes and paper weights between 20 and 28 lb. (75 and 105g/m ² ).The optional duplex unit must be installed in the printer andenabled before duplex printing can be carried out.Paper must be loaded into the paper tray with the print sidefacing upwards. The multi purpose tray cannot be used forduplex printing.