Specification Sheet

4. Data Reading
4.1 Storage card or card reader does not work
4.1.1 Check the storage card and card reader separately by the replacement method.
If the card reader is die, you can apply for new one.
4.1.2 Try to format the storage card. If it cannot be formatted, apply for replacement.
4.2 No response after inserting the storage card, or the file
could not be found
4.2.1 Format the storage card.
4.2.2 Reloading the storage Card
4.2.3 Refresh the storage card.
4.2.4 Wipe the metal contacts with an eraser.
4.2.5 If the computer can read the storage card normally, apply for replacement of
the motherboard. For specific replacement methods, contact the after-sales
personnel.
4.3 USB data cable does not work
4.3.1 Retry after reinstalling the motherboard driver
4.3.2 Replacing the normal working computer and retrying
4.3.3 Replace the USB cable to confirm that both the computer and the printer are
working properly.
4.3.4 Apply for replacement of USB cable
5. Printer Host (only professional after-sales
personnel)
5.1 motherboard has a problem
5.1.1 ask the after-sales maintenance personnel to fix it.
5.2 Display screen is black , white, or blurred
5.2.1 Check the display cable.
5.2.2 Check if the cable shielding tape is normal.
5.2.3 Remove high frequency interference sources.
5.2.4 Apply for one new LCD display.