Ricoh Aficio GX e3300N User Manual page 676

5.2.
Bidirectional-Disabled
This section explains how to update the bidirectional-disabled printer driver.
To update the firmware when bidirectional communication is disabled, see 3. "Update Cautions",
and then check the following:
• You must be able to view the printer's control panel.
The procedure requires you to check the printer's status on the control panel.
Make sure you are able to view the printer's control panel when updating the firmware.
• Check the current firmware version and the firmware version you want to install.
Take care to install only firmware versions that are later than the version that is already
installed.
[How to check the current firmware version]
1. Press the [Menu] key on the printer's control panel.
2. Select [List/Test Print].
3. Execute [Config. Page].
4. The System Summary is printed.
5. Check the version number under "System Version".
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