A dirty printhead

A printer error state such as flashing or blinking lights on the front of the printer

Labels text is being printed over multiple labels

Labels are misaligned

In the Jolt web app, go to settings and select printers.
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Select the printer you're using. Match the serial number in Jolt with the serial number shown on your printer (last four digits).
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Select the printer from the printer menu and you will see the option to recover sensor calibration.
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The status, pause, data, supplies, and network lights will turn amber (this means it is going through a soft reset).

Next, you will see the status light turn amber.
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