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How to import certificates for proxy servers

By default, Lexmark printers use a default set of certificates to validate trusted certificates when communicating with Printix Cloud. However, you can override the configuration of a Printix Go Lexmark printer to use a different set of certificates.

The printer must have the latest version of Printix Go installed. Otherwise, the option to select a certificate is not available.

  1. Open the printer's web page and log in as administrator.
  2. In the left-hand menu, select Apps.
  3. Select Print (Tungsten Printix Go).

    The screen is scrolled to the appropriate location.

  4. Select Configure.
  5. Select Choose File next to Certificate, then select a .PEM file for the proxy.
  6. Select Apply.

    You can select View Current Value to verify the selected certificate.

Configure a proxy server

  1. Open the printer's web page and log in as administrator.
  2. In the left-hand menu, select Network/Ports under Settings.
  3. Scroll down and expand HTTP/FTP Settings.
  4. In HTTP Proxy IP Address, enter the proxy hostname.
  5. In HTTP Default IP Port, enter the port number.
  6. Select Save.
  7. In the left-hand menu, select Apps.
  8. Scroll down and expand App Framework Configuration.
  9. Select Use printer's proxy settings.
  10. Under Proxy Credentials, enter the Proxy Username and the Proxy Password (if they exist).
  11. Select Save.