/*****************************************************************************/
               UB-E04 Network Firmware Update Tool Ver.5.12

                                                                     7/21/2026
               Copyright (C) Seiko Epson Corporation 2026. All rights reserved.
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1. Trademarks
-------------
  Microsoft(R), Windows(R), and Windows Vista(R) are registered trademarks or
  trademarks of Microsoft Corporation in the United States and/or
  other countries.


2. General
----------
  This tool is a program for updating the firmware of a UB-E04.
  You can update the firmware of a UB-E04 connected via a Wired or Wireless
  network with an easy operation.

  Firmware data   : UB-E04 Version 5.12
  Program Name    : UB-E04_Network_Firmware_Updater_Ver.5.12.exe
  Program Version : 2.1.0.0
  Program Build   : 7/21/2026


3. Operating Environment
------------------------
  1) OS: 
    Windows 11 (32bit / 64bit)
    Windows 10 (32bit / 64bit)
    Windows 8.1 (32bit / 64bit)
    Windows 8 (32bit / 64bit)

  2) Supported Interfaces (hereinafter referred to I/F):
    Updating via the following I/F is supported.
     - Ethernet I/F
     - Wireless LAN I/F

    * Ethernet I/F and Wireless LAN I/F cannot be used at the same time.

  3) Supported Wireless LAN environment:
    A radio wave condition good enough to communicate normally with the UB-E04
    (hereinafter referred to Device),
    a device to be updated on the local network, and network settings for the
    device that meet the following.
    Moreover, EpsonNet Config(Web) should be able to be displayed.

    IP address setting   Manual / Automatic
    Communication Mode   Ad-Hoc
                         Infrastructure : Recommended

    * Device outside the local network cannot be searched.
      (For example, if a router is located between the access point and the PC.)
    * If you select "Automatic" in the IP address setting,
      the IP address may change.
      (For example, such as when the power OFF / ON or reset the device)
      If the IP address has been changed during the update,
      it will result in an error.


3. How To Use
-------------
  1) Connect PC and "the printer equipped with a device to be updated" via an
    available wired or wireless network.
    Set roll paper, and turn on the printer to make it ready for printing.

  2) Double-click the icon of this tool to start it up.
    The device is automatically found.

    * To search for a device again, press the F5 button or select
      [View] - [Refresh] from the main menu.

    * If there is more than one network adapter in the PC,
      the device may not be searched.
      [Adapter] from the menu - Select the [Adapter Selection],
      please select the network adapter that connects the device.

    * When [  -- NONE --  ] is displayed for the IP address,
      the PC is not connected to the network for which communication with the
      device is possible, or more than one device with the same IP address is
      connected to the same network.

  3) Select the I/F connected to the device to be updated.

    * When you connect a device via Ethernet I/F, select [UB-E04(Wired)].
      When you connect a device via wireless LAN I/F, select [UB-E04(Wireless)].
      Only one of I/F can be selected.

  4) Checkmark the device to be updated.
    Click the [Update UB-E04 to Ver.5.12].
    
    * A checkmark is automatically put for device of [less than Ver.5.12].
    * To see detailed information of the device, select the device, and click 
      the [web browser...].
    * Updates will be done one by one.

  5) [Updating was successful.]
    It waits until a message is displayed.
  
    Ethernet I/F:
     * The update will take about 3 minutes and 30 seconds.
    Wireless LAN I/F:
     * The update will take about 4 minutes.
     * "Firmware data sending" (10%) displayed, there is no update of about
       one minute [%].
     * When to start the update of the device running on the SimpleAP mode,
       it may become the error in "Checking update".


4. Cautions and Limitations
---------------------------
  *1 Please set for PC not to enter the following conditions before executing
     the update.
      - Screen saver (Monitor)
      - System Standby
      - System hibernates

  *2 During updating, Do not turn off the printer and do not disconnect any
     cables.
     The device may be damaged.

  *3 The printer needs to be in a printable state.
     Set the roll paper, and turn on the printer.

  *4 When communication is cut off while updating via wireless LAN I/F,
     the device may be damaged.
     Confirm that the radio wave condition is good.

  *5 Do not use this tool simultaneously from multiple PCs connected to the
     network.

  *6 Update cannot be executed when more than one device with the same
     IP address is connected to the same network.

  *7 Device outside the local network cannot be updated.

  *8 PC needs to be connected to the network with which communication with
     device is possible.
     Please check the PC's network settings such as IP address, subnet mask.

  *9 EpsonNet Config(Web) for device may not be displayed depending on the
     setting of the web browser or proxy.
     In this case, there is a possibility of not being able to run the update
     process.
