User's Guide
Page 155
... it may take time for the display to the display characteristics and not a malfunction. The screen is due to appear. This is frozen. Reset the Reader by pressing the RESET button. The Reader authorization/ deauthorization is not possible with eBook stores if "Device Lock" of them. Then, slide the POWER switch to "On...
... it may take time for the display to the display characteristics and not a malfunction. The screen is due to appear. This is frozen. Reset the Reader by pressing the RESET button. The Reader authorization/ deauthorization is not possible with eBook stores if "Device Lock" of them. Then, slide the POWER switch to "On...