10.8 < Machine status and advanced setup>Optional ServiceWhen you want to add the optional features for this machine, you have toinstall the optional kit and then set the machine to enable and activatethose features. Follow the next steps to enable those features.1 Press Machine Setup on the control panel.2 Press Admin Setting. When the login message pops up, then enterpassword and press OK.3 Press the Setup tab > Optional Service.Option DescriptionCopy Enables or disables the Copy menu from themain screen.Analog Fax After installing the fax kit, select this optionEnable to use this machine as a fax machine.Scan to Email Enables or disables the Scan to Email menufrom the scan screen.Scan to PC Set Enable to activate the scanning andsending it via network.Scan to SMB Enables or disables the Scan to SMB optionfrom the scan screen.Scan to FTP Enables or disables the Scan to FTP optionfrom the scan screen.On DemandImage OverwriteYou can set the machine to delete previous jobinformation on HDD as you store new jobinformation. Set this option to Enable, go to theGeneral tab > On Demand Overwrite, pressStart in the display to start the overwriting job.Immediate ImageOverwriteIf you select Enable, the machine renews theHDD memory when you save new job on it.Adjusting the color contrastThis menu allows you to adjust the color setting.1 Press Machine Setup on the control panel.2 Press Admin Setting. When the login message pops up, then enterpassword and press OK.3 Press the Setup tab > Color.Option DescriptionToner DensityCalibrationThis item allows you to calibrate toner density for thebest possible color print quality.Custom Color This item allows you to adjust contrast, color bycolor.CMYK: Allows you to adjust the contrast of the tonerin each toner cartridge.• Default: Optimizes colors automatically.• Manual Adjust: Allows you to manuallyadjust the color contrast for each cartridge.Note: You should use the Default setting for bestcolor quality.