Error type: Memory error code: M_****.
When there is a Memory error code like M_*** series, it is mostly the issue of USB hardware issue.
USB has to be <16 Gb and in FAT32
the error code can be mixed because of several issues that happen together. For example: M11820=M1000+1000+800+20
define ERROR _MEM_LINE_TOO_LONG 0x400
define ERROR _USB_READ_TIMES 0x800
define ERROR _DISK_NO_MOUNTED 0x1000
define ERROR _EEPROM_CHECK_SUM 0x2000
define ERROR _SPI_FLASH_WRITE 0x4000
define ERROR _USB_WRITE 0x8000
define ERROR _USB_READ 0x10000
define ERROR _MEM_NO_FILE 0x20000
define ERROR _SPI_FLASH_READ 0x40000
define ERROR _NO_FLASH_FONT 0x80000
define ERROR _DISK_MOUNTED_FAIL 0x100000 //———U disk connection issue
define ERROR _DISK_FILE_ERROR 0x200000 //————U disk file issue——-
define ERROR _DISK_FILE_WRITE 0x400000 //————-Writing issue——-
Troubleshooting:
1. We suggest you use a high-quality USB to make sure it is stable enough. Please feel free to send us the picture if not list below, it will help us complete the knowledge base.
2. Re-plug the USB and restart the printer to see if be solved.
3. Check if the USB extend wire get loose, or the USB interface on the board get loosed.
M_400:

M_800:
USB timeout error, re-insert the USB stick

M_1000
cannot find memory

M_2000
parameter error, this error may be caused by the wrong parameter file ( firmware), please update the right one.

M_3000
parameters error

M_8000
read and write errors of USB, update firmware, or change for a new USB

M_10000
feedback errors

M_11800
timeout errors when reading memory

M_11820

M_100000

M_100010

M_111000

M_200000

M_211000
