We always attach great importance to our customers. Please feel free to contact us If you find any defects on the product.The integrated encoder enables parameter setting and printing documents, preferably!The ramp is plug and play, but requires a supported firmware for the change.Supports Chinese fonts, change the firmware for Marin display Chinese menu.The motherboard features the SD card, the file on the SD card in the room and the corresponding file can be printed on the LCD.About MKS-GEN Mainboard:1, Assemble 2560 and ramps1.4 on a board to solve the problem of complex interface and easy failure of the Ramps1.4 interface.2. Replaceable motor drive, support 4988 drive and 8825 drive, TMC2100 drive, s109 drive3, Reserved external drive signal, can be connected to the external drive to drive 57, 86 motors.4, The use of open source firmware Marlin, configuration and ramps1.4 exactly the same, can directly replace Ramps1.4.5, Can be directly connected to the 2004LCD display and 12864LCD display, can support TFT28, TFT32 touch screen.6. Retain the Servos, AUX-1, and AUX-2 interfaces on Ramps1.4, providing three 5V outputs and three 12V output interfaces.About TFT32 Display:Compatible with Marlin/Smoothieware/Repetier firmwareAppearance size: 110mmX65mmHole size: 102mmX57mmColor touch screen: 3.2 inch touch screenMicroprocessor: 32-bit STM32 processorUpdate method: SD file updateSupport SD card, U diskSupport file format: GcodeScalable application: WIFI module, after the shutdown module,Cut-off inspection switch, power-off continuous, external card slotPackage Included:1 x MKS-GEN L motherboard1 x TFT32 display5 x A4988 red drive5 x Heat sink1 x USB cable1 x FC flat cable