
3
QL Plus Series User Guide
Preventive Maintenance ........................................................... 51
Extending Battery Life ................................................................... 51
General Cleaning Instructions ....................................................... 52
QL 220 Plus Cleaning ...............................................................................52
QL 320 Plus Cleaning ...............................................................................54
QL 420 Plus Cleaning ...............................................................................56
Troubleshooting ......................................................................... 58
Keypad Control Panel..................................................................... 58
LCD Control Panel Indicators ........................................................59
Troubleshooting Topics ................................................................. 60
Troubleshooting Tests ...................................................................62
Printing a Configuration Label ....................................................................62
Communications Diagnostics .....................................................................62
Contacting Technical Support .....................................................................63
Specifications .............................................................................67
Printing Specifications ...............................................................................67
Memory and Communications Specifications ...........................................67
Label Specifications ....................................................................................68
Font and Bar Code Specifications ..............................................................69
Communications Ports ................................................................................70
Physical, Environmental and Electrical Specifications ..............................71
QL Plus Series Accessories .......................................................................75
Appendix A Interface Cables .......................................................... 76
RS232 Cables ...............................................................................................76
USB Cable ....................................................................................................76
More Interface Cables .................................................................................77
Appendix B Media Supplies ...........................................................78
Appendix C
Maintenance Supplies ................................................. 78
Appendix D
Product Support ......................................................... 79
Appendix E ................................................................................. 81
Battery Disposal ..........................................................................................81
Product Disposal .........................................................................................81
Appendix F Using zebra.com ......................................................... 82
Index ............................................................................................84
Patent Numbers .........................................................................86