ML620/ML621 User’s Guide Chapter 1: Introduction ................................................................. 5Printer Features .....................................................................................5Oki Data on the Internet ...........................................................5Parts Identification: Front View ...........................................................6Parts Identification: Rear View.............................................................7Parts Identification: Inside View .........................................................7The Control Panel..................................................................................8Print Mode Key Functions.........................................................12Chapter 2: Paper Handling ......................................................... 14Loading Continuous Forms Paper ....................................................15Rear Feed .................................................................................16Front Feed ................................................................................19Bottom Feed (optional pull tractor) ...........................................21Tearing Off Continuous Forms Paper .......................................22Aligning the Tear-Off Perforations ............................................22Removing Continuous Forms Paper.........................................22Loading Cut Sheet Paper ...................................................................23Cut Sheet Paper, Top and Front Feed .....................................23Ejecting Cut Sheet Paper .........................................................25Notes on Different Types of Paper ...........................................25Top of Form (TOF) ...............................................................................26Top of Form (TOF) and Forms Tear-Off ...................................26Determining if Forms Tear-Off is Off or On...............................27To print the Menu: ..................................................................27To use the TEAR key: ............................................................27Setting Top of Form (TOF): ......................................................28Temporarily Changing the Top of Form Position ......................29Resetting Top of Form to the Factory Default...........................29Forms Tear-Off Feature ......................................................................30Potential Problems with Software Packages ............................30Changing the Forms Tear-Off Setting.......................................31Manual Forms Tear Off.............................................................31Paper Park............................................................................................32Setting the Paper Thickness Lever....................................................32Paper Type Table ..................................................................33Chapter 3: Print Settings ............................................................ 34Print Quality .........................................................................................35Draft: Utility—the default ........................................................35HSD: High Speed Draft ..........................................................35SSD: Super Speed Draft ........................................................35NLQ: Near Letter Quality .......................................................35Character Pitch ....................................................................................36Print Speed ..........................................................................................37Printer Reset ........................................................................................37Emulations ...........................................................................................38Changing Emulations................................................................38Chapter 4: Menu Mode ................................................................ 39Menu Mode Keys ......................................................................39Menu Mode Keys and Functions ..............................................40Entering and Exiting Menu Mode..............................................41Resetting the Menu to the Factory Defaults .............................41Printing the Menu Settings........................................................42Printing the Current Menu Settings ........................................42Printing All Menu Settings ......................................................42Changing the Menu Settings ....................................................42Menu Settings Table .................................................................43