How can I adjust useful settings on the readyMax 2?

The readyMax 2 offers various settings that allow you to adapt the device to your needs. These include display settings, printer settings, and automatic screen timeout.

In this guide, we show you the most important settings and how to adjust them step by step.

Adjust display settings (font size & brightness)

We recommend these settings if you want to improve readability or adjust the brightness to your environment.

  1. Swipe up from the bottom of the device and select the three dots at the bottom left.
  2. Select Settings.
  3. Tap on Display.
  4. Tap on Display size and text.
  5. Adjust the font size and display size as needed.
  6. Go back to the Display menu.
  7. Adjust the screen brightness under Brightness.

Adjust printer settings

We recommend these settings if you want to improve receipt readability or adapt printing to your needs.

  1. Swipe up from the bottom of the device and select the three dots at the bottom left.
  2. Select Settings.
  3. Tap on SunmiPrinter.
  4. Tap on Sunmi Inner Printer.
  5. Open Print style settings.
  6. Select the desired options:
    • Double height
    • Double width
    • Bold

Set automatic screen timeout

We recommend this setting if you want to save energy or adapt the screen timeout to your daily workflow.

  1. Swipe up from the bottom of the device and select the three dots at the bottom left.
  2. Select Settings.
  3. Tap on Display.
  4. Tap on Screen timeout.
  5. Select the desired time after which the screen turns off automatically.


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