Instructions: 1. For the first printing, it must be leveled (the distance between the nozzle and the hot bed is generally A4 paper thickness). 2. Tear off the adhesive on the base of the magnetic sticker and on the hot bed platform, pay attention to be flat and do not leave air . 3. Adsorb the PEI side or the PEO side spring steel plate on the magnetic base.(PEO have a film ,please tear off the film before use ) 4. Start printing, the temperature of the hot bed can be set to 60°C-70°C according to the actual situation (do not exceed 70°C). 5. when the temperature drops to room temperature, the printing and bend it gently to achieve easy demoulding. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Size: 309mm Comopatible with : For V400, Super Racer type: A Without magnetic base Material: steel colour: As shown Package Contents: 1 x Build Plate Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.