MA grandMA3 Guide Rapide page 24

Disconnect power supply before cleaning;
Clean the surface using dry cloth only;
Clean the wrist rest using a damp cloth only;
Do not use liquid cleanser or compressed air;
Do not use solvent;
Check if the ventilation holes are blocked;
Depending on the environment, we recommend to professionally clean the device once a year.
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Intended Use
Safety
Support
Transport
Limitations
Quick Start
Maintenance
Disposal
Technical Data
Pixel Faults
Declaration of Conformity