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Confidential
8.1
Installing Firmware (Main Firmware)
8.1.1 Checking firmware version
Check whether the firmwares installed on the TT and LT are the latest version. If they are the
latest version, there is no need to install the firmware. If they are not, be sure to install the
firmware to the machine as described in “8.1.2 Installing firmware”.
<How to check firmware version>
(1) Press the [2], and then the [5] key in the initial state of maintenance mode. "MAIN:Ver*.**
(#)" is displayed on the LCD.
(2) Pressing the [▲] or [Mono Start] key changes the display to the next item.
(3) When you press the [X] key, this operation is finished and the machine returns to the
initial state of maintenance mode.
Memo:
• You can also check the sub firmware and main firmware versions by implementing
"Print maintenance information (function code: 77)" (refer to “1.3.25 Print
maintenance information (function code: 77)” in Chapter 5).
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