If you notice that your printer’s LCD is dimming or not illuminating, there might be something wrong with the LEDs of your printer. This article will guide you through a complete process in which you can easily verify whether the LEDs are still able to function properly or have become faulty/damaged.
DO NOT look directly at the UV light to prevent eye discomfort.
1. Visual check the LED array
Always disconnect the power source before disassembling any electrical equipment. If it is necessary to handle equipment that is still plugged in, ensure your hands are dry and consider wearing insulation gloves, protective clothing, and shoes with insulated soles if possible.
A visual check of the LED array can help identify any faulty LEDs. Here are the steps:
- Turn on the printer and run Vat cleaning function
- Place a few A4 papers on the LCD screen to make it easier to notice any faulty LEDs. The following images are some examples of burnt LEDs.
- Check the LED array for any flickering or LEDs not illuminating
DO NOT look directly at the UV light to prevent eye discomfort.
2. Reconnect the LED terminal block
Power down and remove the front case
- Turn off the printer and unplug it
- Use an Allen Wrench (Size 2) to loosen the 12 screws and open the front case
- Disconnect the USB cable and touch panel cable from the mainboard
- Remove the front case
Remove the rear case and the UV cover
- Use an Allen Wrench (Size 2) to loosen the number 1~8 screws and use an Allen Wrench (Size 5) to loosen the number 9 & 10 screws
- Remove the rear case and UV cover
Identify and reseat the LED cables
- Locate the LED cable connecting to the mainboard
- Use a slotted screwdriver to reseat the LED cables
- Locate the the LED cable connecting to the the SSR board
- Use a slotted screwdriver to reseat the LED cables
Reassemble the printer
- Reconnect the USB cable and the Touch panel cable
- Tighten all the screws
Verify the LED’s functionality
- Plug in the power cord and turn on the printer
- Conduct VAT cleaning and verify if the LED works correctly
Wear the UV 400 safety goggles before activating the LED.
Contact Support
By following these steps, you can easily check the LEDs on your device and determine whether they need to be repaired or replaced. If you find any issues, feel free to reach out to Phrozen Support or your Authorized Reseller for further assistance. When contacting Phrozen Support, kindly share a few photos and videos illustrating the issues with the LED. This will greatly facilitate the troubleshooting process.
Comments
0 comments
Please sign in to leave a comment.