IBM 3 User Manual page 368

4. Connect the external power supply.
5. Power on (|) the printer. Ensure forms (currently selected paper source) are
6. Press and hold the TEST button until the NETWORK indicator starts to flash,
7. For additional installing information, see the User's Guide that was shipped
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4247 Model 003 User's Guide
The NETWORK indicator will flash during power-on and self-test. When the
indicator stops flashing and remains unlit, the Network Print Server is ready
for use.
loaded in the printer.
then release the button to print a test page. The test page shows the software
revision and the basic setup of your Network Print Server.
with your Network Print Server.