{"product_id":"for-snapmaker-u1-extruder-unit","title":"for Snapmaker U1 Extruder Unit","description":"\u003cp\u003eAdopts hardened steel gear drive to increase extrusion force and prevent slipping.\u003c\/p\u003e\n\u003cp\u003eIncludes filament runout detection components to monitor printing status in real-time and reduce the risk of model printing failure.\u003c\/p\u003e\n\u003cp\u003ePre-assembled extrusion unit for easy replacement.\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eSnapmaker U1\u003c\/p\u003e\n\u003ch3\u003eU1 extruder unit replacement guide\u003c\/h3\u003e\n\u003cp\u003eThe extruder unit is located inside the toolhead. To access the extruder unit for replacement, the top cover and PCB must be removed.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1\/u1_extruder_unit.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eTerminology\u003c\/h3\u003e\n\u003cp\u003eDifferent from our official term, some people may use the following terms to describe this component:\u003c\/p\u003e\n\u003cp\u003eExtruder assembly\u003c\/p\u003e\n\u003ch3\u003eDifficulty and Time Estimate\u003c\/h3\u003e\n\u003cp\u003eDifficulty：★★★☆☆ (Easy)\u003c\/p\u003e\n\u003cp\u003eEstimated Time：20 minutes\u003c\/p\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cp\u003eWhen the extruder unit is damaged.\u003c\/p\u003e\n\u003ch3\u003eTools and Parts Required\u003c\/h3\u003e\n\u003cp\u003eH1.5 hex key\u003c\/p\u003e\n\u003cp\u003eH2.0 hex key\u003c\/p\u003e\n\u003cp\u003eNew extruder unit\u003c\/p\u003e\n\u003ch3\u003eProcedure\u003c\/h3\u003e\n\u003ch3\u003eStep 1. Remove the toolhead\u003c\/h3\u003e\n\u003cp\u003e1.1 Unload filament\u003c\/p\u003e\n\u003cp\u003eTap the specified area on the touchscreen (Highlighted in red in the image below).\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1\/u1_unload_filament1.png\" alt=\"Image #1\"\u003e\u003c\/p\u003e\n\u003cp\u003eTap \"Unload Mode\".\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1\/u1_unload_filament2.png\" alt=\"Image #2\"\u003e\u003c\/p\u003e\n\u003cp\u003eSelect the target toolhead (e.g., No.2) and tap \"Unload\".\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1\/u1_unload_filament5.jpg\" alt=\"Image #3\"\u003e\u003c\/p\u003e\n\u003cp\u003eWait for the system to automatically complete the filament unloading.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1\/u1_unload_filament6.jpg\" alt=\"Image #4\"\u003e\u003c\/p\u003e\n\u003ch3\u003e1.2 Detach the toolhead from the docking bracket\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-08-06_111755_843.png?v=1785986775\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eFor head No.1: Slide to the right until the locating pin is fully visible.\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-08-06_112723_679.png?v=1785986863\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eFor heads No.2\/3\/4: Slide the toolhead to the left until the locating pin is fully visible.\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-08-06_112821_370.png?v=1785986951\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e1.3 Remove filament and guide tube\u003c\/h3\u003e\n\u003cp\u003eRemove the three cable clips.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1\/u1_clip_position.jpg\" alt=\"Image #8\"\u003e\u003c\/p\u003e\n\u003cp\u003ePress the quick-release fitting.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1\/u1_toolhead_press-quick-connector.png\" alt=\"Image #9\"\u003e\u003c\/p\u003e\n\u003cp\u003eRemove the filament and the filament tube.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1\/u1_toolhead_pull-out-filament-with-its-tube.png\" alt=\"Image #10\"\u003e\u003c\/p\u003e\n\u003ch3\u003e1.4 Disconnect USB and remove the toolhead\u003c\/h3\u003e\n\u003cp\u003eUse the H2.0 hex key to remove the two mounting screws.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1\/u1_usb-cable_screws.png\" alt=\"Image #11\"\u003e\u003c\/p\u003e\n\u003cp\u003eUnplug the USB cable and then carefully remove the toolhead.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1\/u1_usb-cable_pull-out.png\" alt=\"Image #12\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 2. Remove the PCB\u003c\/h3\u003e\n\u003ch3\u003e2.1 Remove top cover and back cover\u003c\/h3\u003e\n\u003cp\u003eUse the H2.0 hex key to remove the three screws securing the top cover of the toolhead, then remove the top cover.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1_assets\/new\/%E7%A7%BB%E9%99%A4%E6%89%93%E5%8D%B0%E5%A4%B4%E4%B8%8A%E7%9B%96%E6%9D%BF.png\" alt=\"Image #13\"\u003e\u003c\/p\u003e\n\u003cp\u003eRemove the back cover of the toolhead.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1_assets\/new\/%E5%8F%96%E4%B8%8B%E6%89%93%E5%8D%B0%E5%A4%B4%E5%90%8E%E7%9B%96%E6%9D%BF.jpg\"\u003e\u003c\/p\u003e\n\u003ch3\u003e2.2 Disconnect the cables and remove the PCB\u003c\/h3\u003e\n\u003cp\u003eDisconnect the cables from the PCB.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1_assets\/new\/pcb%E6%8E%A5%E7%BA%BF2.png\" alt=\"Image #15\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.snapmaker.com\/u1_assets\/new\/pcb%E6%8E%A5%E7%BA%BF1.png\" alt=\"Image #16\"\u003e\u003c\/p\u003e\n\u003cp\u003eWhen installing the toolhead PCB, please refer to the wiring diagram below.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-08-06_115433_430.png?v=1785988491\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eUse the H1.5 hex key to remove the M2×6 screw, and the H2.0 hex key to remove the ST2.6×6 screw, and then remove the PCB.\u003c\/p\u003e","brand":"Snapmaker","offers":[{"title":"Snapmaker U1","offer_id":54309964546361,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/p3d.mx\/products\/for-snapmaker-u1-extruder-unit","provider":"P3D","version":"1.0","type":"link"}