FLASHFORGE 3D PRINTER Adventurer 4 Series User Manual page 27

Q26 . Wi-Fi connection failure?
1. Please check if there are any special characters in the Wi-Fi hotspot name, if there
are any, please modify them and try again;
2. Check your password for special characters, and if so, try again after you have
modified it.
Make sure the password is entered correctly.
Note
Q27 . Firmware update
Please do not disconnect the network during download or update to prevent update
failure.
Q28 . Turn on the printer with white screen and no firmware
1. If you hear the power-on sound, change the screen or the wiring;
2. If you cannot hear the power-on sound, please contact the supplier.
Daily Maintenance Instructions:
When the printer is not used for a long time, apply grease on the guide rail, do it
regularly every other month. Put filaments in the drying box to prevent moisture.
If it is used frequently, it is recommended to replace HEPA filter cotton once every 2
weeks.
Replace as follows:
1.Open the front door of printer, and
find the air filter device indicated in
the picture.
2.Open the air filter cover, put in a new
cotton filter, and close the filter cover.
26