EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Adjustment Installing Firmware 444
5.7  Installing Firmware
Firmware for the printer is written to the Flash ROM on the Main Board. Use 
the following procedure to write the firmware to the Flash ROM when the Main 
Board is replaced or the firmware needs to be updated.
 Tool required
Firmware Update Tool
 Supported OS:Windows 98, Me, 2000, XP
 Port: USB
Procedure
1. Turn off both the printer and the computer, and connect the printer to 
the computer with a USB cable.
2. Turn the computer power on and then turn the printer on.
3. Start the Firmware Update Tool.
4. Select the port (Choose a port) and the firmware data (Choose a FW 
data file) (UPG format).
5. Click [Send] to transmit the firmware data.
6. The “Complete” message is displayed in a pop-up window when the 
data transmission is finished, then click [OK].
7. Upon completion of the update, the printer automatically reboots.
Figure 5-106. Firmware Update Tool Screen
Figure 5-107. Firmware Update Tool Screen
C A U T I O N
Turning on the printer immediately after uploading firmware 
to a new Main Board with no parameters in place will start 
initial ink charging. When initial charging is not needed, be 
sure to execute "5.3.15 Initial Ink charge flag ON/OFF" 
(p.408)