6 Microline 490/491 User’s GuideChapter 4: Menu Mode ............................................ 26Menu Mode Keys ....................................................................... 26Entering and Exiting Menu Mode ............................................. 27Resetting the Menu to the Factory Defaults .............................. 27Printing the Menu Settings ......................................................... 27Changing the Menu Settings ...................................................... 28Menu Settings Table ................................................................... 29Explanations of Menu Items ...................................................... 35Chapter 5: Maintenance........................................... 41Replacing the Ribbon Cartridge ................................................... 41Loading Paper ............................................................................... 43Rear Feed ................................................................................... 43Top Feed (Single Sheets) ........................................................... 52Clearing Paper Jams ..................................................................... 54Rear-Feed Paper Jams ................................................................ 54Rear-Feed, Repeating Paper Jams .............................................. 55Single-Sheet Paper Jams ............................................................ 57Cleaning the Housing ................................................................... 58Chapter 6: Troubleshooting ..................................... 59General Information ..................................................................... 59Problems / Solutions ..................................................................... 60Appendix A: Parts & Accessories ............................ 65Purchasing Parts & Accessories ................................................... 65Replacement Parts ........................................................................ 66Accessories ................................................................................... 67Appendix B: Printer Control Codes ....................... 68Epson LQ Commands .................................................................. 68IBM Proprinter X24e / XL24e and IBM X24e AGM / XL24eAGM Commands ......................................................................... 72Appendix C: Specifications ...................................... 75Appendix D: Installation .......................................... 81Location ........................................................................................ 81Unpack .......................................................................................... 81Install the Ribbon Cartridge ....................................................... 84Power Connection ........................................................................ 85Computer Connections ................................................................. 85Parallel (LPT): IEEE 1284 ......................................................... 85USB: Specification 1.1 Compliant ............................................. 86Loading Paper ............................................................................... 86Testing the Printer ......................................................................... 87Font Sample Test ........................................................................ 87Rolling ASCII Test ..................................................................... 88Hexadecimal Dump Mode ......................................................... 89Emulations .................................................................................... 89Printer Drivers .............................................................................. 89Loading the OKI Driver ............................................................. 90Using a Compatible Driver ........................................................ 90Index .......................................................................... 91