Before Printing
- Sign up for a time slot. Join the 3DPrint mail alias.
Setting Up
- Turn on the power switch on the back right side of the printer.
- PLA Filament reels are in the cabinet to your left (please use your own, or one marked Community or Robot Class).
- Use the correct sized holder for the reel you picked.
- Load the reel so the filament goes under the reel and up the tube.
- Avoid letting the filament cross under itself as this can cause tangles during printing.
- Push the whole printer back so the reel lightly touches the wall. This keeps the reel from falling off and also avoids tangles.
- On the control pad, choose Utilities -> Change Filament -> Load.
- THE PRINT HEAD IS HOT (230 degrees C, 446 degrees F): DO NOT TOUCH IT.
- Clip off the end of the filament using scissors.
- Press and hold the lever on the print head while feeding the filament into the hole.
- Release the lever and feel the filament being pulled into the hole.
- If the mechanism doesn’t pull the filament, or you hear grinding & thumping, it may be clogged. Seek help to fix this issue.
- Watch to see a nice stream of melted filament coming out of the print head.
- You can use the spatula to clear tangles on the end of the print head.
- One the control panel, press M a few times to finish the loading process.
- Inspect the blue tape to make sure it is smooth in an area large enough for your object.
- If needed, remove the glass print bed and re-surface it with fresh blue tape.
Printing
- At the computer, open MakerWare.
- Add the model file(s) you want to print.
- For beginners, we recommend printing one object at a time to minimize the loss if a print fails part way.
- Position the model so that it will land on a smooth area of blue tape.
- The middle is safer than the edges in case the plate is not 100% level.
- Press the "Make" button.
- Choose a print quality. Low Resolution is Fast and High Resolution is Slow.
- Decide if you want a Raft or Supports and check the appropriate boxes.
- Please do not adjust the temperature setting.
- Check the "Preview before printing" box.
- Press "Make It".
- In the Preview window, slide the slider to ensure that it will print as you expect.
- Note the estimated print time in the Preview window.
- If everything is good, press "Make It!"
- You must monitor your print. We have had at least one case of the printer causing smoke. Please avoid this.
- You can watch it in person, or watch via the web cam.
Cleaning Up
- When the print is done, use the spatula to remove your object from the plate.
- On the control pad, choose Utilities -> Change Filament -> Unload.
- The print head will heat up again and the motor will back the filament out.
- Press and hold the lever and gently pull the filament out.
- Try your best to not leave a gob of half-melted filament inside the print head - that will jam it for the next person.
- Roll the filament back onto the reel.
- Put the end of the filament in one of the holes, or tape it down to prev to prevent tangling.
- Put the filament back into the cabinet.
- Turn off the printer.
- Sweep up any debris and tidy up for the next person.
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