Maintenance

like all equipment, the l1 needs regular maintenance to remain in good working condition use the following recommendations to keep your printer running smoothly information is organized by the frequency of the maintenance tasks weekly monthly quarterly annually as needed for maintenance of third party accessories (oxygen supply, chiller, etc ) consult the manufacturer manuals and documents docid 2skhklz4pfbvk8eykk9wl weekly l1 printer clean display remove the platform or make sure the print queue is empty to avoid starting a print accidentally during cleaning gently clean the front display buttons with ipa and a shop towel to remove resin residue do not use ipa wipes, which have a high water content do not use acetone inspect spill window the light engine projects light through the spill window onto the cassette window to cure resin if the spill window is not clean, it may affect part quality remove the platform remove the cassette inspect the light engine spill window inside the projection volume for any smudges, resin, dust or debris that will affect print performance if dirty, contact mailto\ support\@carbon3d com do not attempt to clean inspect schunks clean schunks are important to ensure the proper seating of the platform and cassette remove the platform remove the cassette inspect the 4 schunks on the underside of the build arm and the 4 schunks on the deck for any resin or debris that will affect schunk functionality if dirty, first place a clean tray on the deck to keep any debris from falling onto the light engine spill window apply ipa to a lint free towel and clean the mating surface of each schunk do not apply ipa directly to the schunk if there is cured resin on schunk, or you cannot get the schunk fully clean, contact carbon support mailto\ support\@carbon3d com inspect heater glass ⚠️ burn hazard the heater may be hot allow to cool before servicing remove the platform remove the cassette inspect heater glass for any resin or particulate that will affect print performance if dirty, contact carbon support do not attempt to clean cassette clean underside of window a haze of dust can build up on the bottom of the window over time and must be removed remove cassette from printer leave cassette on the cassette cart note cassette must be clean shine a light up from the bottom of the cassette and look down from the top of the cassette to search for contamination contamination looks like clouding or haze on the underside of the cassette window take a presaturated ipa/di water wipe and fold in half twice wipe gently across the underside of the cassette window from one side to another in a single pass refold to expose a new, clean surface of the wipe repeat side to side wipe, refolding each time until entire window surface has been cleaned repeat the wiping process with a presaturated acetone wipe after cleaning the underside of the cassette window, inspect for any remaining haze note the three images below show the underside of the window as it goes through the cleaning process clean cassette schunks remove the cassette from the printer leave on the cassette cart inspect the 4 schunks on the underside of the cassette for any resin or debris if dirty, apply ipa to a lint free towel and clean the mating surface of each schunk do not apply ipa directly to the schunk general lab clean working surfaces use ipa and/or acetone to clean benchtops if used, change bench coverings clean floor to remove debris and resin spills/smears/drips check inventory of lab supplies make sure there are enough consumable supplies available if not, order more these are examples of important supplies ipa acetone gloves shop towels wipes monthly l1 printer clean the door clean the inside and outside of the door, following instructions from maintenance docid 0ywe7ymsiydn imldvtpn if resin needs to be removed from the door, follow guidance maintenance docid 0ywe7ymsiydn imldvtpn general lab clean and/or replace any soiled ppe items check lab coats, glasses, and any other reusable personal protective items for contamination wash or replace soiled items quarterly l1 printer inspect fan filters find the intake fan ports located on the back of the l1 printer pull the black plastic fan filter cover off with your hands if necessary, you may use a flat edged tool to aid in removal, taking care not to scratch the paint inspect the filter if it is discolored, change the filter discard the dirty filter in the regular waste bin insert new filter there is no designated front or back side, so either orientation is sufficient gently snap the fan filter cover back in place annually chiller change coolant typically the coolant should be changed once per year coolant will need to be added in the event of a low fluid alarm consult the manual for more information manuals and documents docid 2skhklz4pfbvk8eykk9wl manuals and documents docid 2skhklz4pfbvk8eykk9wl as needed l1 printer restart after a power surge or outage check power connections l1 printer compressed air oxygen concentrator (if used) chiller check that power is restored in your facility ensure chiller is running check yellow led on oxygen concentrator if led is lit, follow manuals and documents docid 2skhklz4pfbvk8eykk9wl press the silver reset button silver reset button on back of l1 printer to regain power cassette clean guide slots clean the guide slots on the l1 cassette as needed to remove shiny resin spots use an acetone wipe or and acetone dampened lint free towel or wipe place the cassette on the top of the l1 cassette hotel docid\ ftdxah nqrn4hozppb1ws or a workbench to access the guide slots when not using the l1 cassette cart, two people two people are required to move the cassette