Epson DM-M820 Manuel D'utilisation page 19

When signals that the
DM-M820 cannot display are
received, the message shown
on the right appears.
Troubleshooting
The power is not on
❏ Is the power switch pressed?
❏ Is the power of the IM-800 (or PC) on?
❏ Is the DC plug connected to the IM-800 or AC Adapter
OI-MR01?
❏ If an AC Adapter is used, is the Power LED of the AC Adapter
on? If the LED is not on, is the AC cable plugged in and is the
AC power on?
The screen is blank
❏ Is the Power LED flashing? (When it is flashing, no video
signals have been received.)
❏ Is the power of the IM-800 (or PC) on?
❏ Is the IM-800 (or PC) in the suspend mode? Or is the screen in an
economy electric power mode? Enter a character with the
keyboard of the IM-800 (or PC) to see if the screen will wake up.
❏ Is the Display connector connected?
The touch panel is not recognized (With a Touch Panel model)
❏ Is the touch panel driver installed in the IM-800 (or PC) ?
❏ Are the touch panel settings of the IM-800 (or PC) correct?
(Touch Panel Drivers or Serial Ports)
❏ Is the serial port connector connected?
DM-M820 User's Manual 13
English