Product description
This 2-in-1 replacement repair kit fits A1 and A1 Mini 3D printers, including filament sensor hall board and 4-in-1 AMS lite filament hub. It effectively fixes filament detection failure, false clog alerts, multi-color switching faults and other common printing errors. Easy DIY installation restores stable filament feeding and accurate sensing performance.
User-Friendly Plug-In Replacement
The accessory set includes two anti-slip fixing buckles for stable installation. Paired with detailed official installation videos, even printing beginners can finish part replacement in minutes. It supports unattended automatic multi-color printing to cut manual operation costs.
4-In-One Smooth Filament Conduction
Equipped with built-in polished PTFE adapters, the hub merges four independent filament tubes into one unified feeding channel. The slick inner wall reduces filament friction, avoiding wire scratching, jamming and backflow during automatic cross-color switching.
OEM Original Matching Fit
Made to OEM factory specifications, this 5-way filament hub is perfectly compatible with A1 and A1 Mini printers. It fits all stock AMS Lite internal structures without drilling, cutting or firmware updates. No compatibility errors or feeding recognition failures will occur after direct replacement.
Introduction to A1 Series Feed Hall Sensor Board Base
For the A1 series printers, the feed Hall sensor board base is a fixing base mounted above the tool head extruder to hold the feed Hall sensor board. It also serves as the base for the A1 series five-way assembly. Under normal operating conditions, the feed Hall sensor board base is durable and not prone to damage. However, collisions of the tool head or improper disassembly and assembly of the AMS lite five-way assembly may crack the base or break its retaining clips. To ensure normal material feeding of the printer, the base should be replaced promptly once such damage occurs.
Only compatible with A1/ A1 Mini 3d printing project, not for X1/X1-Carbon/X1C/X1E/P1P/P1S
This feed Hall sensor board detects filament inside the extruder to avoid printing failures, enhance efficiency and identify filament breaks.
It monitors filament feeding and retraction for AMS lite multi-filament switching, and detects jams to send alerts to the printer.
Built with FPC flexible cable and 1.2-1.5mm thick FR4 reinforced board. Easy to install by disassembling tool head parts and replacing directly.
Engineered for round-the-clock unattended printing, this five-way filament hub features wear-resistant internal structural shaping that resists deformation after thousands of color-switch cycles. It works with all mainstream 1.75mm standard filaments including PLA, PETG and TPU, without causing tube extrusion or filament blockage caused by material softening. Different from generic aftermarket parts, it reserves the original AMS Lite feeding sensing gap, ensuring the printer accurately detects filament residue and feeding status throughout long print jobs.
- This comprehensive kit combines two essential components: the Filament Sensor (Hall Board) and the AMS Lite Filament Hub. Together they restore reliable filament detection and smooth multi‑material feeding. Replace both parts at once to eliminate intermittent errors and ensure long‑term printing stability.
- The AMS Lite Filament Hub merges four filament paths into one stable output, while the Hall sensor detects feeding resistance. This kit replaces both key parts of the detection module, ensuring your printer accurately monitors filament flow and switches materials flawlessly for multi鈥慶olor prints.
- FRUSTRATING PRINTING ISSUES：1,Filament not detected during loading/unloading 2,Frequent print aborts with filament errors 3,Persistent clog warnings even when no clog exists 4,Filament breakage inside the hub 5,Multi‑color printing failures (AMS Lite switching problems) 6,Visible cracks or damage on the hub housing.
- KIT INCLUDES EVERYTHING NEEDED FOR A FULL REPAIR:1x Filament Sensor Hall Board (with pre‑attached FPC cable) 1x AMS Lite Filament Hub (4‑in‑1 hub assembly)All components pre‑tested to meet or exceed original quality standards for reliability.
- Replacing both parts is straightforward with basic tools (H1.5 & H2.0 hex wrenches). Follow the official wiki guides. After installation, simply insert filament – the printer screen shows a green dot when detected, confirming successful repair. (Always power off printer before starting.)
