Chapter 3 Removal and Replacement Procedures Revision B
Epson AcuLaser C2900N 3 - 223 Confidential
5) Attach the DUCT FAN to the printer
together with the FRAME ESS.
6) Secure the FRAME ESS to the printer
with the five screws (silver, 6mm).
Note: When the PWBA MCU is replaced with a new one, perform the following steps.
(After completing all the steps .)
7) Plug in the power cord to the printer.
8) Execute diagnostic operation of NVM Load, and write the data into PWBA MCU.
9) Turn off the power.
10) Perform the diagnostic operation of NVM Load, and write the data into the MCU.
11) Turn on the power while pressing the "▲" key and "▼" key on the control panel.
12) Enter the password, press the "▼"key twice, and press the "[OK] key once. The diagnostic screen
comes up.
13) Press the "▼" key several times until "IOT Diag" is displayed. Press the [OK] key once.
14) Press the "▼" key several times until "NVM Settings" is displayed. Press the [OK] key once.
15) Press the "▼" key several times until "LoadNVM from ESS" is displayed. Press the [OK] key once.
16) Press the [OK] key once, and NVM Load is performed.
17) After NVM Load is complete, press the [STOP] key several times until "IOT Diag" is displayed.
18) Press the "▼" key several times until "Complete" is displayed.
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