System setup2173. Useful Setting Menus13MaintenanceSome menus may not appear in the display depending on options ormodels. If so, it is not applicable to your machine (see "Menu overview" onpage 34).To change the menu options:• Press (Menu) > System Setup > Maintenance on the control panel.Item DescriptionCLR Empty Msg. When toner cartridge is empty, this option appears. Youcan clear the empty message.Supplies Life Shows the supply life indicators (see "Monitoring thesupplies life" on page 89.)Image Mgr.Allows you to adjust the color setting such as contrastlevel, color registration, color density, etc.• Custom Color: adjusts contrast, color by color.- Default: optimizes colors automatically.- Print Density: allows you to manually adjust thecolor contrast for each cartridge. It isrecommended to use the Default setting for bestcolor quality.• Tone Adjust.: The machine calibrates the tonerdensity of machine for the best possible color printquality.Serial NumberShows the machine’s serial number. When you call forservice or register as a user on the Samsung website, youcan find this.TonerLow Alert Customizes the level to alert toner low or toner empty(see "Setting the toner low alert" on page 90).Item Description