- Check the connection: 
Ensure that the memory card or USB drive is securely connected to the printer. - Verify the Card/Drive Type: 
Determine that the memory card or USB drive type is compatible with the printer. - Check the Storage Capacity: 
Ensure that the memory card or USB drive is not larger than the printer’s maximum storage capacity. - Check the File Format: 
Confirm that the file or document you are trying to print is compatible with the printer. - Check the Driver: 
Make sure the printer driver on your computer is up-to-date. - Restart Printer and Computer: 
Power down both the printer and computer, and then power them both back up. 
