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                  1. Support
                  2. Original Prusa SL1
                  3. Printer features
                  4. Pouring resin and starting print
                   

                  Contents

                  • Pouring resin into the tank
                  • Running out of resin / Adding resin mid-print

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                  Pouring resin and starting print

                  Relevant for

                  SL1
                  SL1S SPEED
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                  Pouring resin into the tank

                  Before you start printing, always make sure the FEP film on the bottom is clear (transparent), clean, and has no holes, dents, or deep scratches. Check the tilt platform with the display and make sure it is completely clean and there is no debris anywhere.

                  Wear gloves when handling resins!

                  Place the tank on the tilt platform. There is a small groove running around the tilt bed that will help you to position the tank properly. You may hear a little “click” as it falls into place. Use the two resin tank screws to secure it to the tilt bed. Tighten screws simultaneously and with the same amount of force, otherwise, the tank may end up in an uneven position.

                  Tighten both screws simultaneously and with the same amount of force. Pour the recommended amount of resin - there is a max level mark in the tank.

                  Once the tank is secure, pour the resin in it. Notice that there is a max level mark in the tank that will help you measure the optimal volume. The SL1 features a built-in resin level sensor, so in case there’s too little or too much resin, the printer will pause and display an on-screen info message. Please follow the on-screen instructions to fix the issue.

                  Do not overfill the tank!

                  Any time you are asked to refill the resin to the max, it always means adding it up to the 100% mark, not to the edge of the tank!

                  Running out of resin / Adding resin mid-print

                  The SL1 features a built-in resin level sensor, which measures the amount of resin in the tank before every print. Some models might be too large and require more than the maximum amount of 200 ml resin in the tank. The printer can recognize when the resin starts running low and pauses the print. An on-screen message is displayed, asking you to fill resin back to the max level mark. Once you refill the resin, you can press the on-screen Continue button to resume the print.

                  Keep in mind that in certain cases (especially if the print has been paused for a long time), the new layer may not adhere perfectly to the rest of the object - or not adhere at all.
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                  1 comment

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                  John
                  •
                  Question. Does the printer sense it getting low, or does it calculate "this will need more resin at 83% of the print any thus will pause"?
                  Meaning, if I add a bit of resin during printing and thus it's not going to actually run out, will it actually stop the print or not?
                  (Says the guy who learned the hard way that a print that pauses too long won't resume and succeed)
                  Reply
                  Marina Curzi - Official Prusa CS
                  •

                  If you fill the resin tank in the middle of the print, the resin sensor will measure the resin level again and will not stop at the time it has said initially.

                  Reply

                  Topics

                  • About your printer
                    • Printer features
                      • Pouring resin and starting print
                      • Internet connection (SL1/SL1S)
                      • Resin Calibration (SL1/SL1S)
                      • Printer statistics and system information (SL1/SL1S)
                      • One-click print
                      • Brightness adjustment (SL1)
                      • Top-bar Notifications (SL1/SL1S)
                      • Menu structure (SL1/SL1S)
                      • Creating a resin calibration object (SL1/SL1S)
                      • Resin Tank Cleaning (SL1/SL1S)
                      • Custom print profiles (SL1/SL1S)
                    • Printer description
                    • General Information