Intermec EasyCoder PC4 User Manual page 70

Appendix D — Firmware Upgrading
Press the Feed key and keep it pressed and at the same time switch
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on the power to the printer (also see "Test Mode" on page 29). A test
label will be printed. Check the version number on the test label to
verify that the upgrading has been successful.
Tap the Feed key once to leave the Dump Mode and return to normal
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operation.
You can use the same memory cartridge to upgrade several printers by
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moving the cartridge from printer to printer and repeat this procedure
for each printer. Be careful not to change the position of the memory
cartridge switch until all printers have been upgraded.
The cartridge can be used as a normal memory expansion cartridge
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after the upgrading is completed. Move the switch back to normal
position, insert the cartridge in a printer, and switch on the printer.
The memory cartridge will then be formatted automatically.
58 EasyCoder PC4 User's Guide