¶ 1. Phenomenon Description
The screen displays :"key: 2294, unknown exception".
¶ 2. Cause Analysis
Response timeout
¶ 3. Troubleshooting and Solution
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Power off the printer and re-startup.
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After finishing first step, if the screen still displays "key: 2294, unknown exception", you need to optimize printer's vibration firstly and then click the function of auto-leveling.
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If the problem is still not solved after the above two steps, please export the log and contact cs@crealiry.com.