Datamax-O'Neil A-Class Mark II Operator’s Manual - Manual (Page 26)

16 A-Class Mark II
 To copy firmware stored on a module to the printer:
1. Press the TEST button then select User Defined Label.
2. Select the module ID and the firmware file.
 To print files stored on a module:
1. Press the TEST button and then select User Defined Label.
2. Select the module ID then the file to print.

To print directly from stored files at power-up, see User Label mode in Section
4.2.4.
 To print a previous label format that is stored in memory:
1. Press the MENU button then select Printer Options.
2. Select Modules and then Print File.
2.4 Connecting an Applicator
Setup the GPIO Port using the information in Appendix D and then connect the applicator cable to
port(s) on the Applicator Interface Card.
Failure to properly configure the GPIO Port(s) may result in damage to the printer
and / or the applicator.

If upgrading, a PE to A-Class GPIO conversion cable is available; see Appendix C.