Printronix P8000 Series Cartridge Ribbon Printer - Manual (Page 265)

Installing a Microsoft Loopback Adapter
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4. Copy the file to the printer by entering these commands at the command
prompt:
copy /b FILENAME.prg lpt1: <Enter>
where FILENAME.prg is the target firmware
or
FILENAME –pb <Enter>
where FILENAME.exe is the target firmware.
IMPORTANT DO NOT interrupt the downloading process once it has started.
Interrupting a download will leave the flash memory on the controller
PCBA incompletely loaded, and the printer may not boot up.
5. The process is complete when the new software has successfully loaded
into flash memory and the printer has reset itself.
6. To unmap LPT1 from USB, enter the following in the command prompt:
NET USE LPT1 /DELETE <Enter>
Installing a Microsoft Loopback Adapter
Use this section if USB is required for the download when the laptop or PC is
not network connected. If your laptop or PC is already network connected, go
to “Sending Firmware via USB” on page 264.
1. For Windows XP:
a. Go to the “Start” menu
b. Select “Control Panel”
c. Open the “Add Hardware Wizard”
For Windows 7:
a. Go to the “Start” menu
b. Select “Control Panel”
c. Open the “Device Manager”