QA

Question: How To Clear Stuck Filament On The Robo 3D Printer

If there is material coming out of the nozzle, go ahead and turn down the extruder to 145C with the filament still in the nozzle. Manually pull the filament out of the nozzle, which will take with it most of the debris that is stuck in the nozzle.

How do you get filament unstuck?

(You may have to heat up the hot end first.) Next, make sure that the hot end is at the extrusion temperature of your plastic and then push down on the plastic while pushing the wire into the nozzle. This will often dislodge the blockage. If the blockage is small, it’ll then pass through the nozzle.

How do you unclog a 3d?

At 90°C, pull on the filament until it yanks out of the nozzle. This should leave the shape of the inside of your nozzle on the end of the filament. You should be able to see the particle in it. Again, heat up the nozzle to 250°C and push the filament through until it comes out clean and easy.

How do you clear a 3D printer nozzle?

First, clean the nozzle using a damp cloth or an alcohol wipe while the nozzle is hot. This may cause some steam but will indeed remove any material clinging to the nozzle. If this doesn’t work, you can also use a wire brush, small blade, or needle to remove any remaining debris from the nozzle.

What causes filament to clog?

If the temperature of your hot end is too low, your print material will not melt correctly. This can cause the material to begin to adhere to the inside surface of the nozzle. Eventually, the extrusion motor can’t feed the filament into the head and before you know it your 3D printer nozzle is clogged.

How do you dissolve PLA?

PLA can be dissolved by solvents such as acetone, ethyl acetate, methyl ethyl ketone, tetrahydrofuran and caustic soda (sodium hydroxide). This allows cleaning of 3D printer nozzles, smoothing PLA prints and dissolving PLA support structures.

Why does PETG clog?

RE: Prusament PETG clogging mid print They are small/tiny parts could by your filament is already to warm before entering the heatblock as the distance between extruder and heat block is rather long. Ratio between moves and extrusion I guess is rather high and the filament before and within nozzle is too much melted.

How do you clean PETG nozzles?

How to clean up a PLA / PETG blob from a failed 3D print Step 1) Heat up the extruder. Bring the hot end up to temperature, this will melt the plastic solidified against the hot end and make it much easier to remove. Step 2) Use pliers to remove the blob. Step 3) Use a brass brush to get the last bits.

How do I know if my printer nozzle is clogged?

Manually push the material out of the nozzle, once it has fully heated up. The material should slowly protrude out of the nozzle. If it doesn’t, this means your nozzle is clogged.

How can you tell if a nozzle is partially blocked?

Partial clogs usually reveal themselves mid-print, even after you were able to load or unload the filament. Early signs of the nozzle starting to clog are: The filament is not extruded out of the nozzle consistently. Printed lines look much thinner and sometimes not sticking to the build plate.

How do you fix filament jam?

Try and keep the filament as straight as possible. Natural or clear coloured filament works best so you can see the residue when you pull it out. If your hot end is too clogged to get anything out of the hot end, take a thin wire and a pair of plyers and stick it into the tip of the nozzle to clear the blockage.

Does wet filament cause clogs?

Extruder / HotEnd jam: The humidity of water concentrated in the filament when heated in the HotEnd evaporates, causing gaps inside the filament, turning it into a paste that clogs the barrel (Heat Break) or the nozzle. This problem is very common when using nylon filaments with high humidity percentages (> 20 %).

Does rubbing alcohol dissolve PLA?

In general, isopropyl alcohol can’t dissolve PLA.

Will nail polish remover dissolve PLA?

Does Nail Polish Remover Melt Pla? PLA will not dissolve very well with acetone, and you will not get the desired results.

Does chloroform dissolve PLA?

PLA is soluble in chloroform at room temperature. Before you start your experiment please pre dry your PLA in vacuum oven at 80C overnight to remove unnecessary moisture.

Can you cold pull with PETG?

Cold pulls are particularly important if you are switching from a high-temperature filament (e.g. PETG) to a lower-temp filament (e.g. PLA). Filament residue that will melt out at higher temps remains solid, cooks and eventually carbonizes in the hotend and nozzle.

How do I stop PETG blobbing?

What Are The Main Causes of PETG Blobbing? Clean The Nozzle. Before changing any parameters or materials, you should first check out the nozzle. Calibrate Feed Rate. Find The Best Retraction Settings. Adjust Temperature. Use Good Quality Filaments. Dry The Filament.

How do you make a PETG stick to bed?

Increase the nozzle or bed temperature For the first try, set your nozzle temperature around 250o C. It is highly recommended to use a heated bed and put the bed temperature around 75o C or higher. The main idea here is to put the hot filament on a hot surface to create stronger bonds with the hot surface.

Does acetone remove PETG?

It dissolves freshly printed PETG (and glue parts together) as well as the residues on the print nozzle. Side notes: Acetone is wellknown for being absolutely useless for dissolving PETG and I can confirm this from my own experience. All you can expect is to roughen the surface a little bit.

Can you clean PETG with acetone?

Although traditional acetone smoothing doesn’t work well with PETG, there are a number of other chemicals that are capable of dissolving and smoothing the filament. Ethyl acetate is one of the most common chemical alternatives to acetone, however, it doesn’t react effectively with all varieties of PETG.