Please close the front door of the printer

Customer may meet following error showing on your printers,

-Pause during data transmission and report error: “Please close the front door of the printer”
-The connection is disconnected while the calculation is in progress during the transfer of the data file to the UP300, and the prompt pops up continually after the calculation is completed
-Pause while printing the model, the platform drops and reports an error: “Please close the front door of the printer”

1. The front door is not closed properly

• Check if the front door is closed normally

2. Disconnect during transferring data file to UP 300

• Ensure that the connection between the PC and UP 300 is stable and the front door remains closed when the file is transferred

3. Front door round magnet damaged/magnetism is weak

• Check if the round magnet of the front door near the bottom of the right board is broken or damaged, and replace if yes

4. Door inspection cable is damaged

• Open the front door and remove the door inspection cable block