Installation Instructions

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Question8:
The touch screen displays the file name garbled.
The file name should only contain English letters, underscore and
space. File name contains special characters could not be recognized
by the printer. In order to let the printer better recognize the Gcode
file in the memory card, you need to back up all the files in the
memory card to the computer, and keep the memory card only for
the Gcode file, please save all the Gcode files in root directory of the
memory card.
Question9: Warranty Periods
For LONGER official stores and LONGER designated distributors,
RAY5 has an One-year International Limited Manufacturer warranty
from the date of purchase of RAY5.
Please note the following warranty terms. One-year International
Limited Manufacturer Warranty means that LONGER will provide
the following free warranty services:
• Diagnostics and Evaluation;