Be sure to check for the following before every print:
- Make sure the print bed is free of any/all objects
- Make sure nothing is blocking the extruder head from moving freely around the build area.
- Make sure no objects are below the print bed that could prevent it from freely moving up and down.
- Make sure there are no broken pieces of filament within the extruder.
- Make sure all cords are neatly tucked away to avoid unnecessary accidents while the printer is in operation.
- Make sure all of your software is up to date (on screen prompts will let you know when updates are available, but only if you are connected to a Wi-Fi network).
And to ensure the best 3D printing experience now and in the future, use the following Robo C2 maintenance tips regularly (every 6-12 months, depending on use):
For every print I start, I also check and/or do the following:
1. Push down in all four corners of the print bed to verify that none of the magnets have slipped from their original locations (better option = glue them in so that they don't move around)
2. Use the LCD menu interface to preheat the hotend for every job
3. Use the OctoPrint interface to extrude 8mm of filament to prime the hotend (having commented out the GCODE in OctoPrint which would otherwise have printed a priming line at 210 degrees C)
4. One last check to make sure that the filament spool isn't cross-threaded and to verify that there's enough filament for the job
5. Use the OctoPrint interface to start the job, then clip off any excess filament from the extruder just before the print starts
6. Watch while the first layer prints and abort early if there's any problem (since it's easier to cleanup and restart then to come back hours later to a mess)
It's also good to put the printer on an uninterrupted power supply (UPS) so that you don't lose a printout in case of power-related problems of short duration.
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