Perform every month
Note: The monthly maintenance actions, listed below, may be performed by a trained projectionist who is familiar with potential hazards associated with the product.
| No. | Maintenance action | Remarks |
| 1 | Check the surface of the lens output side for dust (it is not needed to remove the lens from the projector). Only clean if necessary. | Clean the lens output side in case dust is clearly visible upon the surface. |
| 2 | If the optional dust filter is installed, check the filter on the front air inlet of the projector. | Clean a dirty dust filter. Replace a damaged filter immediately. See procedure “Replacing the dust filter”. |