{"product_id":"ams-2-pro-filament-funnel-cleaning-for-bambu","title":"Bambu AMS 2 Pro Filament Funnel","description":"\u003ch3\u003eAMS 2 Pro Filament Funnel Cleaning\u003c\/h3\u003e\n\u003cp\u003eAMS 2 Pro Filament Funnel cleaning instruction and sensor troubleshooting\u003c\/p\u003e\n\u003ch3\u003eWhen to clean\u003c\/h3\u003e\n\u003cp\u003eClean the funnel when the AMS 2 Pro (AMS) feeder's filament detection sensor fails.\u003c\/p\u003e\n\u003ch3\u003eFault phenomena\u003c\/h3\u003e\n\u003ch3\u003eFaulty filament detection sensor\u003c\/h3\u003e\n\u003cp\u003eEach feeder of AMS has a filament detection sensor. When you insert a small segment of filament into the feeder, the feeder will automatically pull the filament in after the detection sensor detects it. In daily use, you may encounter the following abnormal situations:\u003c\/p\u003e\n\u003cp\u003e1.When you insert the filament, the feeder's filament detection sensor can not detect it;\u003c\/p\u003e\n\u003cp\u003e2.When you insert the filament, the feeder's sensor detects it, but the motor still does not respond, the gears will not turn to pull the filament in;\u003c\/p\u003e\n\u003cp\u003e3.When no filament is inserted, the feeder's sensor always detects that there is a filament inside;\u003c\/p\u003e\n\u003cp\u003eYou can tell if the issue is with the feeder unit by referring to the \u003cem\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"is-internal-link is-valid-page\" href=\"https:\/\/wiki.bambulab.com\/en\/ams-2-pro\/troubleshooting\/led-status\"\u003eAMS 2 Pro LED Status Troubleshooting\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cimg alt=\"传感器.jpg\" src=\"https:\/\/wiki.bambulab.com\/ams-2-pro\/maintenance\/replace-the-feed-funnel-assy\/%E4%BC%A0%E6%84%9F%E5%99%A8.jpg\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eFilament detection sensor parts\u003c\/h3\u003e\n\u003cp\u003eThis problem is usually caused by residual debris or broken filament at the sensor position, you can try to insert a segment of filament into the feeder and poke it several times. Then judge whether the sensor returns to normal state according to the LED status.\u003c\/p\u003e\n\u003cp\u003eIf the sensor remains abnormal, you can follow the following instructions to disassemble the feeding funnel and further troubleshooting and funnel cleaning.\u003c\/p\u003e\n\u003ch3\u003e* Faulty feeder's motor\u003c\/h3\u003e\n\u003cp\u003eIf the feeder's sensor is normal, but the motor still does not respond after inserting the filament, it means that the feeder's motor is abnormal. Please refer to Troubleshooting- Step 4 to re-plug the motor cable.\u003c\/p\u003e\n\u003ch3\u003eWhen to use\u003c\/h3\u003e\n\u003cp\u003eThe funnel-shaped feeding inlet is seriously worn, which has affected the loading and unloading filaments, or it has been confirmed by the after-sales team that the circuit board on it is faulty.\u003c\/p\u003e\n\u003ch3\u003eTools and materials needed\u003c\/h3\u003e\n\u003cp\u003e1. H2.0\/H1.5 hex key\u003c\/p\u003e\n\u003cp\u003e2. Tweezers\u003c\/p\u003e\n\u003cp\u003e3. Pliers\u003c\/p\u003e\n\u003cp\u003e4. A length of filament\u003c\/p\u003e\n\u003ch3\u003eSafety warning and Machine state before starting operation\u003c\/h3\u003e\n\u003cp\u003eTurn the power OFF to the printer and disconnect the AMS 2 Pro connection with the printer.\u003c\/p\u003e\n\u003ch3\u003eRemove the AMS feeder funnel unit\u003cbr\u003e¶Step 1 - Remove the first stage feeder from the AMS 2 Pro\u003c\/h3\u003e\n\u003cp\u003ePlease refer to steps 1~7 of Replace AMS 2 Pro Feeder Unit to remove the AMS 2 Pro first stage feeder, and then disconnect the PFTE tube.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/ams-2-pro\/maintenance\/replace-the-feed-funnel-assy\/%E5%B1%95%E7%A4%BA.jpg\" alt=\"展示.jpg\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 2 - Remove screws\u003c\/h3\u003e\n\u003cp\u003eRemove 4 screws with the H1.5 hex key.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-01-12_164243_259.png?v=1768207420\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 3 - Detach the bottom base and the upper cover\u003c\/h3\u003e\n\u003cp\u003eDetach the upper cover from the bottom base, remove the springs, and disconnect the cable from the circuit board.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/ams-2-pro\/maintenance\/replace-the-feed-funnel-assy\/%E5%88%86%E7%A6%BB_(1).jpg\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 4 - Knock out the shaft\u003c\/h3\u003e\n\u003cp\u003eKnock out the feed funnel assy shaft with the H1.5 hex key and pliers, pay attention to the place where the shaft comes out, and leave a place for avoidance.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/ams-2-pro\/maintenance\/replace-the-feed-funnel-assy\/%E4%B8%8B%E6%95%B21.jpg\" alt=\"下敲1.jpg\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 5 - Remove the shaft, and take off the AMS 2 Pro feeder funnel unit\u003c\/h3\u003e\n\u003cp\u003eRemove the shaft with pliers, and then take off the AMS 2 Pro feeder funnel unit.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-01-12_172042_553.png?v=1768209662\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eTroubleshooting\u003c\/h3\u003e\n\u003ch3\u003e¶Step 1 - Detach the circuit board\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/ams-2-pro\/maintenance\/replace-the-feed-funnel-assy\/%E6%9D%BF%E8%9E%BA%E4%B8%9D.png\" alt=\"板螺丝.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 2 - Check the sensor magnet\u003c\/h3\u003e\n\u003cp\u003eTake out the sensor magnet and spring and inspect the magnet, as shown below.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-01-12_172455_855.png?v=1768209917\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 3 - Clean the feeder funnel\u003c\/h3\u003e\n\u003cp\u003eRepeatedly insert a length of filament into the feeder to clear any blockage in the channel and the hole.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/ams-2-pro\/maintenance\/replace-the-feed-funnel-assy\/%E7%A2%8E%E5%B1%91.png\" alt=\"碎屑.png\"\u003e\u003c\/p\u003e\n\u003cp\u003eIf the sensor remains abnormal, it indicates that it is faulty and you need to replace the feeding funnel unit.\u003c\/p\u003e\n\u003ch3\u003eStep 4 - Check the motor\u003c\/h3\u003e\n\u003cp\u003eRe-plug the motor cable. If the motor remains not working, then the whole feeder needs to be replaced.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/ams-2-pro\/maintenance\/replace-the-feed-funnel-assy\/%E7%94%B5%E6%9C%BA%E8%BF%9E%E6%8E%A5%E7%BA%BF.png\" alt=\"电机连接线.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 5 - Put back the magnet and install the circuit board\u003c\/h3\u003e\n\u003cp\u003ePlace the magnet back with round head down into the hole, followed by the spring. Then, install the circuit board.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-01-12_172941_292.png?v=1768210205\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eInstall the AMS feeder funnel unit\u003c\/h3\u003e\n\u003ch3\u003eStep 1 - Install the AMS 2 Pro feeder funnel unit and the shaft\u003c\/h3\u003e\n\u003cp\u003eInstall the AMS 2 Pro feeder funnel unit and the shaft, the shaft can be knocked into place with pliers.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-01-12_173139_458.png?v=1768210315\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 2 - Install the spring, and connect the cable\u003c\/h3\u003e\n\u003cp\u003eInstall the spring to the feed funnel assy and connect the cable to the connector on the circuit board.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-01-12_173356_783.png?v=1768210459\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 3 - Assemble the upper cover and the bottom base\u003c\/h3\u003e\n\u003cp\u003eAdjust the position of the gear sets, and mount the upper cover and the bottom base. During the process, use tweezers to adjust the position of the spring and install its other end to the boss on the base.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-01-12_173743_134.png?v=1768210711\"\u003e\u003c\/p\u003e\n\u003ch3\u003e4.Step 4 - Check the gear sets position\u003c\/h3\u003e\n\u003cp\u003eAfter mounting in place, double-check the position of the gear sets(should be as shown in the pictures below), if the positions are not correct, please adjust the positions of the gear sets and remount the upper cover.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/ams-2-pro\/maintenance\/replace-the-feed-funnel-assy\/%E7%A1%AE%E8%AE%A4%E4%BD%8D%E7%BD%AE.jpg\" alt=\"确认位置.jpg\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 5 - Lock Screws\u003c\/h3\u003e\n\u003cp\u003eLock in 4 screws to fix them, just lock the screws in place, and do not tighten them vigorously to prevent slipping.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-01-13_100132_995.png?v=1768269721\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 6 - Install the first stage feeder to AMS 2 Pro\u003c\/h3\u003e\n\u003cp\u003ePlease refer to steps 8~14 of  Replace AMS 2 Pro Feeder Unit to connect the PTFE tube and install the first stage feeder to the AMS 2 Pro, and then assemble the AMS 2 Pro.\u003c\/p\u003e\n\u003ch3\u003eHow to verify completion\/success\u003c\/h3\u003e\n\u003ch3\u003ePre-loading\u003c\/h3\u003e\n\u003cp\u003eWhen the AMS 2 Pro is idle, insert the filament into the feeder, AMS can perform automatically pre-loading (the feeder sends the filament to the AMS filament hub and then pulls it back).\u003c\/p\u003e\n\u003ch3\u003eReading RFID\u003c\/h3\u003e\n\u003cp\u003eSet the Reading RFID function in the screen \"Settings\" - \"AMS Options\".\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/manual\/ams2pro\/en1\/image.png\"\u003e\u003c\/p\u003e\n\u003cp\u003eAfter configuration, the AMS 2 Pro can automatically read RFID after inserting the filament, or allow manual RFID reading by selecting the corresponding slot and clicking \"Re-Read.\" Additionally, after restarting the AMS, it can automatically read the RFID information of the inserted filament.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/manual\/ams2pro\/en1\/image-2.png\"\u003e\u003c\/p\u003e\n\u003cp\u003eIf above functions are working, the replacement is complete and successful. Otherwise, check the connections of the cables and filament tubes, if no error is found and still malfunctions, contact the service team for solution advice.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bambu Lab","offers":[{"title":"1pcs","offer_id":51694175224121,"sku":"PR00638","price":19.0,"currency_code":"USD","in_stock":true},{"title":"2pcs","offer_id":51694175256889,"sku":"PR00638*2","price":35.0,"currency_code":"USD","in_stock":true},{"title":"4pcs","offer_id":51694175289657,"sku":"PR00638*4","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/Filament_Funnel_Cleaning_for_Bambu.png?v=1768381687","url":"https:\/\/p3d.mx\/es\/products\/ams-2-pro-filament-funnel-cleaning-for-bambu","provider":"P3D","version":"1.0","type":"link"}