EPSON AcuLaser C9200N Revision D
ADJUSTMENT      Firmware Update 329
Confidential
UPDATE METHOD 5
 Required Tool
 Computer
 USB cable
 Epson Firmware Updater
 Control Panel Special Operation
Not required
Install the printer driver before using Epson Firmware 
Updater.
Step Explanation Program Screen
1 After turning the power off for both the 
printer and computer, connect them with 
a USB cable.
Before connecting the USB 
cable, make sure to disconnect 
other interface cables from the 
product.
---
2 Turn the power on for both the printer and 
computer.
---
3 Activate Epson Firmware Updater and 
click [Next].
4 Check the Attention and click [Next].
5 Agree to the Software licence agreement 
and click [Next].
6 Select the Firmware data (EFU format) 
and click [Next].
7 Check that printer is not in the following 
status and click [Next].
• Printing
• Copying 
• Warming up
Step Explanation Program Screen