Dell 2130cn Service Manual page 619

Chapter 3 Removal and Replacement Procedures (RRPs)
17) After NVM Load is complete, press the [CANCEL] key several times until "IOT Diag" is displayed.
18) Press the " " key several times until "Complete" is displayed.
19) Press the " " key twice. "Ready to Print" is displayed.
20) Turn off the power to exit.
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