DM-420 Detailed Instructions (English)
Page 120
... repair (☞ P.127). Remove the microSD card then put it again (☞ P.22 to a shortage of 16 marks). Erase the file (☞ P.42). [Memory Full] Zero remaining memory. There was an error while formatting the recorder's memory. Connect the recorder to the store where you purchased the recorder or an Olympus service station for remaining memory. Error in the folder.
... repair (☞ P.127). Remove the microSD card then put it again (☞ P.22 to a shortage of 16 marks). Erase the file (☞ P.42). [Memory Full] Zero remaining memory. There was an error while formatting the recorder's memory. Connect the recorder to the store where you purchased the recorder or an Olympus service station for remaining memory. Error in the folder.