User's Manual

QL 420 User’s Guide v
Troubleshooting Tests ................................................... 40
Printing a Configuration Label ....................................... 40
Sample Configuration Label .......................................... 41
Communications Diagnostics ........................................ 43
Calling the Help Desk .................................................... 43
Specifications .......................................44
Printing Specifications .................................................. 44
Memory/Communications Specifications...................... 44
Label Specifications ...................................................... 45
Font/Bar Code Specifications ....................................... 45
Physical/Environmental/Electrical Specifications ......... 46
Communications Port ................................................... 47
Accessories................................................................... 48
Appendix A...........................................51
Interface Cables
Appendix B ...........................................55
Media Supplies
Appendix C ..........................................55
Maintenance Supplies
Appendix D ...........................................56
Product Support
Index .................................................... 57
Patent Information ............................... 59