Epson C823781 Quick Reference Guide

EPSON

Date: 06/16/2003 Originator: DS
PSB #: PSB.2003.06.001 Authorization:
Reference: TE03-040 Total Pages: 1
Product(s): EpsonNet Print Servers C823622/22A, C823632/32A, C823642/42A, C823781
Subject: New firmware file format

This bulletin was created to inform you of the new file format for the EpsonNet Print Server
firmware and WebAssist updates. The new file format combines both the firmware update
and WebAssist update into a single file with a .efu extension. WinAssist v4.1aE is required to
update the EpsonNet Print Servers with the update files in the new format.

EpsonNet WinAssist 4.1a or later supports these new firmware update files.

Model Filename Size Version
C823622/22A
C823632/42
Ver.2.xx
C823632A/42A
Ver.3.xx
C823781

Product Support Bulletin

NW1S233E.EFU 364,440 Firmware Ver.02.33 / WebAssist Rev. 2.1aE
NW20233E.EFU 364,439 Firmware Ver.02.33 / WebAssist Rev. 2.1aE

NW2S335E.EFU 545,916 Firmware Ver.03.35 / WebAssist Rev. 2.1aE
IPS1174E.EFU 824,204 Firmware Ver.01.74 / WebAssist Rev. 4.0bE

To update firmware:

1. In WinAssist v4.1aE, highlight the printer(s) to which are connected the EpsonNet Print
Servers requiring the update.

2. Select the “Tool" menu item.

3. Select "Firmware Update" utility from the “Tool” menu.

4. Select the appropriate .efu file by browsing to the location on the hard drive where the
file is stored.

5. Follow the onscreen instructions to complete the firmware update.

Page 1 of 1