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Lexmark MS711

Lexmark MS711

Troubleshooting a 126.01 service LVPS error

Issue description

The printer posts a 126.01 Service LVPS (Low voltage power supply) error.


  1. Make sure that printer is plugged directly into the wall outlet. Do not use a power strip, surge protectors or an uninterruptible power supply.

  2. Make sure that printer has been turned on in an ambient temperature for about 30 minutes.

  3. Update the printer’s firmware with the latest version. Follow steps outline in Downloading the latest Lexmark printer firmware to know how to check, download and update the printer firmware.


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