11/8/2023 0 Comments Elegoo curaLoading filament takes a few more taps on the screen than previous Neptunes, but the mechanics are the same. The Neptune 4 is a direct drive printer with its extruder and hotend all in one spot. ![]() The printer will use this data before every print and you won’t need to relevel unless you move the printer, or the wheels fall off. IMPORTANT: press the save icon in the upper right corner before leaving the leveling menu to save this data into the config file. Use the paper again and repeat the first step. Return to the leveling screen and double-check the z height as it may have moved. The bed will heat up, and the probe will bob over 36 points on the bed. This will perfect your manual leveling efforts. Return to the leveling screen and press Auto Leveling. You’ll need to do this several times as adjusting one corner will throw another corner off balance. Place the paper under the nozzle and adjust the knob until it just scrapes the paper. Tap the corner icons to move the nozzle to each corner. Now press Auxiliary to enter manual leveling mode. Slide a piece of ordinary paper under the nozzle and tap the arrows until the nozzle just scrapes the paper. It’s not labeled, but it’s the number flanked by up and down arrows. To start leveling, you’ll press the Level Icon on the main menu then find the Z height adjustment in the center of the screen. ![]() I would highly advise stopping by your local hardware store for some lock nuts to keep your knobs in place. I saw the adjustment wheels shake loose and fall off the machine during an afternoon of speed testing. This system is not only more complex, but inferior. The Neptune 4 has returned to pairing manual leveling with an inductive auto level probe – a backwards move as the Neptune 3 and 3 Pro use a hard mounted bed. All the electrical connections are labeled – or extremely obvious where they need to go. The touch screen holder screws into the side and plugs in with a curly RJ11 cord, making it look like an old landline phone. The upper frame is attached to the base with bolts that come up through the bottom. The Neptune 4 comes mostly assembled, only needing a few bolts to put the machine together. It seems that Elegoo decided the best way to run Klipper is to not see it at all. I’ve reviewed several printers running Klipper and the best ones have adopted KlipperScreen, which gives you more features. It looks very much like the Neptune 3 Pro, a printer with traditional Marlin firmware, not Klipper. What’s more intriguing than the screen is what’s on it. Personally, I never take the touchpad off, but if you’ve got a problem with glare I can see it coming in handy. The large removable touchpad with a magnetic base is the same, as is that curly landline style cord. In case you’re not familiar with the Neptune 3 Pro, this one shares the same dual Z axis with a synchronizing belt at the top. It’s also fairly loud, but I’ve yet to find a high speed printer that wasn’t loud. If you don’t need to print at supersonic speeds, you can switch off the bonus fan. It’s pointed right below the nozzle and does a good job of cooling the just printed layer extremely fast. The giant cooling fan on the gantry is made up of four 4020 ball bearing fans. ![]() The hotend also boasts a copper-titanium all-metal throat for more efficient heating. The dual-gear direct drive is lighter weight with a bigger gear: a 5.2 to 1 ratio rather than 3 to 1. There are few improvements over the third iteration – the fans now spin on ball bearings and leveling can tap 121 points. The gray aluminum with white detailing and “Create the Future” motto is still fairly distinctive from any other brand on the market. ![]() The Neptune 4 looks exactly like the Neptune 3…with the addition of a huge cooling fan bolted to the back of the X gantry.
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