ML690/ML691 User’s Guide
Chapter 5: Maintenance .............................................................. 70
Replacing the Ribbon Cartridge
........................................................70
Ribbon Cartridge Handling ....................................................70
If ribbon should contact the eyes: ..........................................73
If ribbon should contact the skin ............................................73
For more information .............................................................73
Clearing Paper Jams ...........................................................................74
Continuous Feed Paper Jams ..................................................74
Cut Sheet Paper Jams ..............................................................75
Cleaning the Printer ............................................................................77
Printer Exterior ..........................................................................77
Printer Interior ...........................................................................77
Testing the Printer ...............................................................................78
Font Sample Test .....................................................................78
Rolling ASCII Test ....................................................................79
Hexadecimal Dump Mode ........................................................80
Chapter 6: Troubleshooting
....................................................... 81
General Information ............................................................................81
Responding to Alarm Conditions
......................................................82
Problems / Solutions
............................................................................83
Appendix A: Parts & Accessories
.............................................. 89
Purchasing Parts & Accessories
.......................................................89
Consumables
.......................................................................................90
Accessories
.........................................................................................90
Appendix B: Printer Control Codes
........................................... 91
IBM Proprinter Commands
.................................................................91
Epson FX Commands .........................................................................94
Appendix C: Specifications
........................................................ 96
Print Method .............................................................................96
Printhead ..................................................................................96
Interfaces ..................................................................................96
Receive Buffer Size ..................................................................96
Printhead Life .........................................................................96
Reliability ..................................................................................96
Ribbon Life .............................................................................96
Emulations (co-resident) ...........................................................96
Physical Specifications .............................................................96
ML690 ....................................................................................96
ML691 ....................................................................................96
Print Speed ...............................................................................97
Characters per Line (cpl) ..........................................................97
Graphics Resolution .................................................................97
Resident Fonts ..........................................................................97
Bar Codes .................................................................................98
Paper Thickness: Tractor Feed ................................................98
Environmental Requirements ...................................................98
Temperature ..........................................................................98
Humidity .................................................................................98
Electrical Requirements ............................................................98
Paper Specifications .................................................................99