{"product_id":"buffer-external-ams-for-bambu-h3c","title":"Buffer External AMS for Bambu - H3C","description":"\u003cp\u003eThe Buffer for External AMS is an optional filament buffer that is not included as standard. It is used when you need to connect an external AMS, providing filament buffering and tension management for a stable filament feed.\u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003e- External AMS buffer *1\u003c\/p\u003e\n\u003cp\u003e- Buffer cable *1\u003c\/p\u003e\n\u003cp\u003e- ST3x24 screw *1 \u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eH3C\u003c\/p\u003e\n\u003ch3\u003eFilament Buffer 6pin Connector Board Replacement Guide for the H3C\u003c\/h3\u003e\n\u003ch3\u003eAMS 3H 6pin Connector Board\u003c\/h3\u003e\n\u003cp\u003eThe interface board that connects to the AMS 3H and provides low-voltage power to the AMS 3H.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/public-cdn.bblmw.com\/wiki\/new\/h3c\/maintenance\/replace-filament-buffer\/en\/11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_bc0d4a7169.jpg\" alt=\"11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_bc0d4a7169.jpg\"\u003e\u003c\/p\u003e\n\u003ch3\u003eApplicable Printer Model\u003c\/h3\u003e\n\u003cp\u003eBambu Lab H3C\u003c\/p\u003e\n\u003ch3\u003eSafety Tips\u003c\/h3\u003e\n\u003cp\u003eBefore performing any maintenance on the printer and its electronic components (including the Toolhead Cable), turn off the printer and disconnect the power supply to prevent accidental Screen touches or short circuits, which could cause additional electronic damage and safety hazards.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/public-cdn.bblmw.com\/wiki\/new\/h3c\/maintenance\/replace-filament-buffer\/en\/07_ap_board_replacement_guide_for_the_h3c_01457bbe50.jpg\" alt=\"07_ap_board_replacement_guide_for_the_h3c_01457bbe50.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003eWhen performing maintenance or troubleshooting on your printer, please first check the temperature of the hotend and heatbed. Avoid operating at high temperatures. If operating at high temperatures is unavoidable, wear insulated gloves to ensure safe and effective maintenance.\u003c\/p\u003e\n\u003ch3\u003eFilament Buffer\u003c\/h3\u003e\n\u003cp\u003eThe filament buffer is not standard equipment. If you need to connect an external AMS, you can purchase a compatible filament buffer for H3C.\u003c\/p\u003e\n\u003ch3\u003eTools and Materials\u003c\/h3\u003e\n\u003cp\u003eH2.0 allen key\u003c\/p\u003e\n\u003cp\u003eH1.5 Allen Key\u003c\/p\u003e\n\u003ch3\u003eRemove the 6pin Connector Board\u003c\/h3\u003e\n\u003ch3\u003eStep 1. Remove Screws\u003c\/h3\u003e\n\u003cp\u003eUse the H2.0 Allen key to remove the 2 screws.\u003c\/p\u003e\n\u003cp\u003e\u003cimg\u003e\u003cimg src=\"https:\/\/public-cdn.bblmw.com\/wiki\/new\/h3c\/maintenance\/replace-filament-buffer\/en\/11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_a38bfe5197.jpg\" alt=\"11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_a38bfe5197.jpg\"\u003e\u003cimg\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 2. Remove the 6 PIN Connector Board\u003c\/h3\u003e\n\u003cp\u003eLoosen the metal plate to expose the connector. Press the locking tab to unlock, disconnect the connector, and remove the 6 PIN connector board.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/public-cdn.bblmw.com\/wiki\/new\/h3c\/maintenance\/replace-filament-buffer\/en\/11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_0c2b4f2f08.jpg\" alt=\"11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_0c2b4f2f08.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003eIf the replacement includes the 6pin connector board's cable, you will need to remove the printer's Rear Panel first. Disconnect the cable from the connector labeled '4' on the MC board and loosen it from the locking tab.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/public-cdn.bblmw.com\/wiki\/new\/h3c\/maintenance\/replace-filament-buffer\/en\/11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_3980693aef.jpg\" alt=\"11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_3980693aef.jpg\"\u003e\u003c\/p\u003e\n\u003ch3\u003eInstall the 6pin Connector Board\u003c\/h3\u003e\n\u003ch3\u003eStep 1. Install the Connector Board\u003c\/h3\u003e\n\u003cp\u003eConnect the cable to the 6pin connector board, align the mounting notch, and attach the metal plate to the Rear Panel.\u003c\/p\u003e\n\u003cp\u003e\u003cimg\u003e\u003cimg src=\"https:\/\/public-cdn.bblmw.com\/wiki\/new\/h3c\/maintenance\/replace-filament-buffer\/en\/11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_ff7ee8fc55.jpg\" alt=\"11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_ff7ee8fc55.jpg\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 2. Secure with Screws\u003c\/h3\u003e\n\u003cp\u003eUse the H2.0 Allen key to insert and tighten the 2 screws.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/public-cdn.bblmw.com\/wiki\/new\/h3c\/maintenance\/replace-filament-buffer\/en\/11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_a38bfe5197.jpg\" alt=\"11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_a38bfe5197.jpg\"\u003e\u003c\/p\u003e\n\u003ch3\u003eRemove the Filament Buffer\u003c\/h3\u003e\n\u003ch3\u003eStep 1. Disconnect the Cables and PTFE Tubes\u003c\/h3\u003e\n\u003cp\u003eIf your goal is not to replace the filament buffer, but only to remove the Rear Panel, you can skip this step.\u003c\/p\u003e\n\u003cp\u003ePress the locking tab on the 6PIN cable to disconnect it. Press the Pneumatic Connector to remove all tubing connected to the filament buffer. For the upper tubing, you need to push the slider upwards first to expose the Pneumatic Connector.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-11-06_171115_786.png?v=1793957216\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 2. Remove the Filament Buffer\u003c\/h3\u003e\n\u003cp\u003eUse the H2.0 Allen key to remove the 2 screws.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/public-cdn.bblmw.com\/wiki\/new\/h3c\/maintenance\/replace-filament-buffer\/en\/11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_43b3fc8db0.png\" alt=\"11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_43b3fc8db0.png\"\u003e\u003c\/p\u003e\n\u003cp\u003ePress the locking tab to unlock, disconnect the connector, and remove the filament buffer.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/public-cdn.bblmw.com\/wiki\/new\/h3c\/maintenance\/replace-filament-buffer\/en\/11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_fbf2be07a2.png\" alt=\"11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_fbf2be07a2.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eInstall the Filament Buffer\u003c\/h3\u003e\n\u003ch3\u003eStep 1. Install the Filament Buffer\u003c\/h3\u003e\n\u003cp\u003eConnect the cable to the filament buffer connector, align the mounting notch, and install the filament buffer onto the Rear Panel.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-11-06_173409_553.png?v=1793957674\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eSecure the filament buffer with 2 screws.\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/public-cdn.bblmw.com\/wiki\/new\/h3c\/maintenance\/replace-filament-buffer\/en\/11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_43b3fc8db0.png\" alt=\"11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_43b3fc8db0.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 2. Connect the Cables and PTFE Tubes\u003c\/h3\u003e\n\u003cp\u003eConnect the AMS 6 Pin cable and reconnect the upper and lower tubing.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/public-cdn.bblmw.com\/wiki\/new\/h3c\/maintenance\/replace-filament-buffer\/en\/11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_4ca1c4fb4e.png\" alt=\"11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_4ca1c4fb4e.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eVerify Functionality\u003c\/h3\u003e\n\u003cp\u003eConnect to the AMS 3H via the 6 Pin cable, plug in the printer power, and start the printer. Confirm that the AMS 3H is responding to power correctly.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/public-cdn.bblmw.com\/wiki\/new\/h3c\/maintenance\/replace-filament-buffer\/en\/11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_3364fa1484.jpg\" alt=\"11_filament_buffer_6pin_connector_board_replacement_guide_for_the_h3c_3364fa1484.jpg\"\u003e\u003c\/p\u003e","brand":"Bambu Lab","offers":[{"title":"Default Title","offer_id":67976785690937,"sku":null,"price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/Filament_Buffer.jpg?v=1793958895","url":"https:\/\/p3d.mx\/es\/products\/buffer-external-ams-for-bambu-h3c","provider":"P3D","version":"1.0","type":"link"}