If you heat up the nozzle first, inserting the filament will be easier and will help prevent clogs. Incorrect Extruder Temperature Remember, you must never replace your nozzle while your hotend is cold. If you try to remove the nozzle while it is cold, you may damage the part. For this reason, you will need to heat up your hotend to remove the nozzle. Installation is quite involved as you’re making major changes to the printer’s frame, but excellent in-depth guides and pictures are provided to guide you along the way.

If the nozzle is heavily clogged, you may need alcohol or another solvent to break down the ink and debris. It will also cover the effect of nozzle size on various printing parameters, the pros, and cons of larger and smaller nozzle sizes, and the best material for your printer nozzle. How To Choose Ender 3 (Pro/V2) Nozzle Size Finally, another possible reason your Ender 3’s hotend might keep getting clogged could simply be due to insufficient cooling for the hotend assembly during a print job. But when it comes to Printing with different types of printers, using a large nozzle size ender 3 will create much stronger parts.You’ll have to print out a special mount, and as a DIY project, there are instructions and files to guide you through the upgrades. This may require you to calibrate your printer, but it is worth it if it prevents clogs. Filament Quality Issues Just ensure not to get too aggressive, as you don’t want to damage sensitive components inside the hotend assembly.

Using this method is a great way of removing most of the dirt and dust that may have gotten inside of the nozzle, which you might have not been able to remove using the needle method. If your nozzle is still clogged after trying these methods, or if you find any damage, it’s best to replace it entirely rather than try to fix it yourself. Now, I would recommend doing a couple cold pulls before unscrewing the nozzle to remove as much material as possible first. Once you remove the nozzle you have two options; remove the gunk mechanically or using solvents. Clean the nozzle using solvents (ABS, PLA) Aim the compressed air at both sides of where your hotend meets the build plate while also depressing both buttons on your control panel simultaneously, which will retract both Z-axis lead screws slightly so that air can flow more freely through your hotend assembly. This is because larger nozzles enable the extrusion of more filament material per unit of time. Resolution

How to Stop & Fix Nozzle from Leaking & Oozing

It’s generally recommended to clean the nozzle every 5-10 prints, when you notice a decrease in quality, or when you change filaments. An extension kit allows you to expand the printable surface on the Ender 3 suitable for more ambitious and larger projects without having to buy a larger printer.