{"product_id":"mc-board-for-bambu-h2-series","title":"MC Board for Bambu - H2 Series","description":"\u003cp\u003eThe MC Board, installed in the printer's electronics section, governs precise movements and control over the printer's operation.\u003c\/p\u003e\n\u003ch3\u003e In the Box\u003c\/h3\u003e\n\u003cp\u003e- MC Board*1\u003c\/p\u003e\n\u003cp\u003e- BT2-5 Screw*6\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eH2 Series\u003c\/p\u003e\n\u003ch3\u003eReplace H2D\/H2C MC board\u003c\/h3\u003e\n\u003cp\u003eThis article introduces how to replace H2D and H2C MC board\u003c\/p\u003e\n\u003cp\u003eNote: This page uses the H2D machine as an example. The replacement steps are exactly the same for the H2C.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/20260707141208_1618_22.png?v=1783405136\"\u003e\u003c\/p\u003e\n\u003ch3\u003eThe spare parts for the MC board include the following:\u003c\/h3\u003e\n\u003cp\u003eMC board * 1\u003c\/p\u003e\n\u003cp\u003eScrewsBT2x5 *6 - for securing the MC board *6\u003c\/p\u003e\n\u003ch3\u003eWhen to replace\u003c\/h3\u003e\n\u003cp\u003eUnder normal power supply conditions, the MC board's indicator light does not flash;\u003c\/p\u003e\n\u003cp\u003eThe connector is damaged, showing obvious component failure;\u003c\/p\u003e\n\u003cp\u003eThe Bambu Lab customer support confirmed through the log files that it is an issue related to the MC board.\u003c\/p\u003e\n\u003ch3\u003eTools and materials needed\u003c\/h3\u003e\n\u003cp\u003e1.New MC board\u003c\/p\u003e\n\u003cp\u003e2.H2.0 Allen key\u003c\/p\u003e\n\u003cp\u003e3.H1.5 Allen key]\u003c\/p\u003e\n\u003ch3\u003eSafety Warning\u003cbr\u003eIMPORTANT!\u003c\/h3\u003e\n\u003cp\u003eIt's crucial to power off the printer before conducting any maintenance work, including work on the printer's electronics and tool head wires. Performing tasks with the printer on can result in a short circuit, leading to electronic damage and safety hazards.\u003c\/p\u003e\n\u003cp\u003eDuring maintenance or troubleshooting, you may need to disassemble parts, including the hotend. This exposes wires and electrical components that could short circuit if they contact each other, other metal, or electronic components while the printer is still on. This can result in damage to the printer's electronics and additional issues.\u003c\/p\u003e\n\u003cp\u003eTherefore, it's crucial to turn off the printer and disconnect it from the power source before conducting any maintenance. This prevents short circuits or damage to the printer's electronics, ensuring safe and effective maintenance.\u003c\/p\u003e\n\u003ch3\u003eRemove the MC board\u003c\/h3\u003e\n\u003cp\u003eStep 1: Remove the rear panel\u003c\/p\u003e\n\u003cp\u003eStep 2: Remove the purge chute\u003c\/p\u003e\n\u003cp\u003eStep 3: Remove the MC board\u003c\/p\u003e\n\u003cp\u003e1.Remove the bundle of cables from the cable clip to provide space for the subsequent plug removal.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-07-07_142848_662.png?v=1783405757\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e2.Disconnect all connectors on the front of the MC board. Please note that some plugs use a locking mechanism, and you must unlock the latch before pulling them out. For specific plugs that require unlocking, refer to the component correspondence table in the installation steps.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-07-07_143101_284.png?v=1783405902\"\u003e\u003c\/p\u003e\n\u003cp\u003eAdditionally, to prevent the plugs from loosening during transportation, the three stepper motor plugs beneath the heatsink are reinforced with electronic silicone. To remove these three plugs, you first need to use a sharp tool, such as tweezers, to make a cut in the silicone around the plug before pulling it out.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-mc-board\/image-4.png\" alt=\"image-4.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e3.Use an H1.5 Allen key to remove the 6 fixing screws and take the MC board out of the lining. Please note that there is also a power input plug for the MC board on the back; do not pull it forcefully.\u003c\/p\u003e\n\u003cp\u003e4.Disconnect the power plug from the back of the MC board.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-5.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-mc-board\/image-5.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-6.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-mc-board\/image-6.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eInstall the MC board\u003c\/h3\u003e\n\u003ch3\u003eStep 1: Install the MC Board\u003c\/h3\u003e\n\u003cp\u003e1.Insert the power plug into the back of the MC board.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-07-07_144024_906.png?v=1783406454\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e2.Align the new MC board with the small holes in the lining, then use an H1.5 Allen key to tighten the five screws.\u003c\/p\u003e\n\u003cp\u003ePlease ensure that before tightening the screws, you check that there are no plugs being pressed against the MC board from above, below, or on the sides to avoid the need for rework.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-07-07_143648_397.png?v=1783406237\"\u003e\u003c\/p\u003e\n\u003cp\u003e3.Refer to the diagram below to sequentially reconnect the cables to the MC board and organize the cables.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-07-07_145445_162.png?v=1783407321\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-07-07_145607_181.png?v=1783407425\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e4.Recheck the above table again to see if there are any missing plugs. If there are any omissions, please make sure to insert them back.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-07-07_145820_193.png?v=1783407525\"\u003e\u003c\/p\u003e\n\u003cp\u003eNote: The non-laser version (without a built-in air pump) H2D has 5 available sockets, while the laser version (with a built-in air pump) has 4 available sockets.\u003c\/p\u003e\n\u003cp\u003eNon-laser version H2D as an example：\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-34.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-mc-board\/image-34.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e For H2C, it is required to replug the cable of Vortek communication into No.8 socket.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-mc-board\/h2c_mc.jpg\" alt=\"h2c_mc.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Z motor is mounted on the base, while the A and B motors are located on the XY plane. If you are unsure about the plugs for the A, B, and Z motors, you can gently pull on the cables to see which motor's cable moves. For example, if you pull a certain plug and the cable connected to the A motor moves, it indicates that this motor is the A motor. The identification method for the B and Z motors is similar.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-mc-board\/image-16.png\" alt=\"image-16.png\"\u003e\u003c\/p\u003e\n\u003cp\u003eFriendly Reminder: This is just a recommended wiring method, as it provides a more aesthetically pleasing appearance. If you prefer not to wire it this way after replacing the MC board, just ensure that the plug connections are stable, and functionality will not be affected.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/ScreenShot_2026-07-07_150342_347.png?v=1783407841\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eStep 2: Install the Purge Chute\u003c\/p\u003e\n\u003cp\u003eStep 3: Install the Rear Panel\u003c\/p\u003e\n\u003cp\u003eStep 4: High-temperature Bed Leveling\u003c\/p\u003e\n\u003cp\u003eAfter replacing the MC board, to prevent any abnormal printer operation, it is necessary to perform a high-temperature bed leveling. Please tap on the screen \"Settings\" \u0026gt; \"Calibration\" \u0026gt; \"Print Calibration\", check \"High-temperature Bed Leveling\", and start the calibration process.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"calibration.jpg\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-mc-board\/calibration.jpg\"\u003e\u003c\/p\u003e\n\u003ch3\u003eTo verify completion\/success\u003c\/h3\u003e\n\u003cp\u003eCheck the indicator lights on the control board\u003cbr\u003eNormal State: The MC board indicator light stays on (top left), flashes slowly (bottom left), and flashes rapidly (right).\u003c\/p\u003e\n\u003cp\u003eBefore tightening all screws, you may temporarily install or leave the cover off (be cautious of electrical safety and operate with the power disconnected). Then power on to check whether the indicator lights are functioning normally. If the lights are normal, fasten the screws to avoid rework.\u003c\/p\u003e\n\u003ch3\u003eConnect the power cable and verify.\u003c\/h3\u003e\n\u003cp\u003eConnect the printer power, turn on the printer, and operate from the screen to run the device self-test process. If the self-test passes, it indicates that the operation was successful.\u003c\/p\u003e\n\u003cp\u003eIf not, please check all connections again and try again.\u003c\/p\u003e","brand":"Bambu Lab","offers":[{"title":"H2D\/H2C","offer_id":53735820591417,"sku":null,"price":94.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/MC_Board_for_Bambu_-_H2_Series.jpg?v=1783410061","url":"https:\/\/p3d.mx\/products\/mc-board-for-bambu-h2-series","provider":"P3D","version":"1.0","type":"link"}