User's Manual

iv QL 420 User’s Guide
Standard Control Panel ................................................ 39
Optional LCD Control Panel ......................................... 39
Troubleshooting Topics .....................................................
Troubleshooting Tests ................................................... 41
Printing a Configuration Label ....................................... 41
Sample Configuration Label .......................................... 42
Communications Diagnostics ........................................ 44
Calling the Help Desk .................................................... 44
Specifications .......................................45
Printing Specifications .................................................. 45
Memory/Communications Specifications...................... 45
Label Specifications ...................................................... 46
Font/Bar Code Specifications ....................................... 46
Physical/Environmental/Electrical Specifications ......... 47
Communications Port ................................................... 48
Accessories................................................................... 49
Appendix A...........................................51
Interface Cables
Appendix B ...........................................55
Media Supplies
Appendix C ..........................................55
Maintenance Supplies
Product Support
Appendix D ...........................................56
Product Support
Index .................................................... 57
Patent Information ............................... 59