C3400n Userís Guide142IndexNumerics2-sided printing............................ 46AAccess, user access to printer........112Accountingprinter usage ..........................112Adjusting colorcolor swatch samples...............130creating custom colors .............133darkness ................................133hue .......................................133in software applications............133lightness ................................133of your monitor.......................133RGB numbers for applications ...132saturation ..............................133vividness ...............................133Advanced featuresenabling or disabling................. 34BBelthow to replace ......................... 89Black printingglossy or matte........................ 31CCassette Traypaper metrics .......................... 17Changing display language............. 74Color adjustingcolor swatches .................130, 131darkness ................................133hue .......................................133in software applications............133lightness ................................133of your monitor.......................133saturation ..............................133vividness ...............................133Color correction utility ..................115Color matchingchoosing image source ..............57general advice ..........................54general settings ........................31how to access...........................57printing color swatch .................59Color samples (swatches) ............. 130Color swatch utility ...................... 130Color swatchesprint sample........................... 131read-me file for swatch utility .. 131,133Costs, tracking ............................ 112Custom colors, creating.........130, 133DDarkness, adjustment for color...... 133Display language ...........................74EEnvelopesloading ....................................24recommended types ..................16FFuserhow to replace..........................86HHue, adjustment for color ............. 133IImage drumhow to replace..........................82Image drumslife remaining ...........................73LLabelsrecommended types ..................16Languagechanging display and reports lan-guage ...................................70LED display ..................................13LED head .....................................94