DDW RONIN 3D PRINTER (HICTOP 3DP-12)

thingiverse

This text appears to be a troubleshooting guide for the HICTOP 3D printer. It covers various problems that users may encounter and provides step-by-step solutions to fix them. Here are some of the issues covered: 1. **Metal cover separation**: The metal cover can separate from the plastic nuts, causing the LCD screen to move. Solution: Remove the LCD screen and put it aside. 2. **SD card reader issue**: From April 2017, HICTOP's main board has a built-in SD card reader, making the one on the LCD obsolete. Solution: Buy an Amazon MKS Base V1.6 3D Printer Controller Board to replace it. 3. **LCD not working**: The LCD may not work when plugged into the main board. Solution: Flip the EXP2 and EXP1 plugs upside down and force plug in accordingly. 4. **Loud fan noise**: The converter's fan can make a loud noise. Solution: Replace the fan with a new one from eBay or Amazon. 5. **Uneven bed**: If the bed is uneven when printing ABS, it may be due to a cool proximity sensor. Solution: Do Auto Home and preheat ABS before probing the bed. 6. **ABS bubbling**: ABS filament can bubble when extruding. Solution: Bake the filament in an oven or dehydrate it using a dehydrator. 7. **PLA clogging**: PLA can clog at the throat even with new nozzles and throats. Solution: Check the heat sink cooling fan, increase the extruder spring tension, blow cool air through the printer, print at a lower temperature, or use better-quality filament. 8. **Proximity sensor issue**: The proximity sensor wires may break inside. Solution: Buy a new proximity sensor. 9. **Heat drops randomly**: The heat can drop randomly, causing the printer to stop. Solution: Check the heat sensor wires and replace them if broken. 10. **Random over extrusion**: There may be random over extrusion on some layers at the same spots every print. Solution: Try different filaments or printing using a USB cable. The guide also mentions that some Chinese MKS Base V1.4 or V1.5 main boards have EXP2 and EXP1 upside down, which can cause issues with the LCD not working. It's essential to check this before attempting any other solutions. Overall, this troubleshooting guide provides step-by-step solutions to various problems users may encounter when using their HICTOP 3D printer.