Epson DM-M820, Техническое справочное руководство

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8-10 Troubleshooting Rev. I
• The CD-ROM drive tray can be opened by inserting the designated tool in the
EJECT
hole.
2. If using DOS for the system, use the specified driver. (To install the driver, refer to
“Installing the CD-ROM driver“ in Chapter 4.)
3. Confirm whether replacing the CD-ROM solves the problem.
Network Faults
Unable to Connect to Network
❏
Follow the procedures below.
1. Check the network cable connections.
2. Confirm that network settings like protocol, IP address, communication speed, and so
on have been selected correctly.
3. Confirm that the correct network driver has been selected. (If the network driver is not
installed on the system, install the network driver.)
4. The
Onboard LAN Device
setting in the
Integrated Peripherals
menu in the
BIOS setup utility must be set to
Enabled
.
❏
If the network is still not able to connect, the cause may be a faulty connection or a problem
with an individual unit or the connector itself. Follow the procedures below.
1. Confirm whether replacing the main circuit board solves the problem.
Unable to Switch Transmission Speed
❏
Follow the procedures below.
1. Confirm that network settings like protocol, IP address, communication speed, and so
on are specified correctly.
2. Confirm that the correct network driver has been selected. (If the network driver is not
installed the system, install the network driver.)
❏
If the transmission speed still cannot be switched, the cause may be a faulty connection or a
problem with an individual unit and the connector itself. Follow the procedures below.
1. Confirm whether replacing the main circuit board solves the problem.