
ii
Contents
1. FUNDAMENTAL OF THE SYSTEM................................1
1.1 Overview..........................................................................................................1
2. ELECTRONICS ..............................................6
2.1 Summary of Board Connectors ......................................................................6
3. MECHANISM ................................................9
3.1 Replacing the Printer Top Cover (with Keys Control Board).........................9
3.2 Replacing the Linerless Platen Roller (Option)............................................10
3.3 Replacing the Platen Roller ..........................................................................11
3.4Replacing the Keys Control Board ...............................................................12
3.5 Replacing the Main Board Assembly............................................................13
3.6 Replacing the Print Mechanism....................................................................14
4. TROUBLESHOOTING ........................................15
4.1 Common Problems........................................................................................15
5. Maintenance ...............................................16
Revise History................................................17