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Monique Chan PhDSep 13, 2025
What to do if my ViewSonic PJ452 Projector says 'Reminder Filter Maintenance is Essential'?
- RRebecca GutierrezSep 14, 2025
If your ViewSonic Projector shows a reminder about the filter, it means that it has been a while since the last filter check. To resolve this, immediately turn the power OFF. Then, clean or change the air filter. After cleaning or changing the filter, remember to reset the filter timer.
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