Epson ES-300C User Manual - TWAIN - Page 15

Removing the Cover, Checking the Jumper Setting

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Removing the Cover Follow these steps to remove your computer's cover: 1. Turn off the computer and any peripheral devices. 2. Disconnect the computer's power cable from the electrical outlet and from the back panel. Also disconnect any cables that are connected to the computer, including the keyboard cable. 3. Remove the cover. (If you need instructions, see your computer manual.) 4. Before you touch any of the components, touch an unpainted metal surface inside the computer's case to ground yourself and avoid an electric shock. Q Warning Be sure to ground yourself to an unpainted metal surface in the computer every time you remove the cover. If you are not properly grounded, you could generate an electric shock which could damage a component. If you are installing an Adaptec SCSI adapter card, skip the section on checking jumper setting. Checking the Jumper Setting One of the jumpers on your Epson bidirectional parallel adapter card identifies the port address for your bidirectional parallel port. Follow these steps to unpack the option card and check the jumper setting: 1. Unpack the option card. When you handle it, be careful not to touch any of the components on the circuit board or the gold-edged connector. Installing the interface Card 1-3

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Removing the Cover
Follow these steps to remove your computer s cover:
1.
Turn off the computer and any peripheral devices.
2.
Disconnect the computer s power cable from the electrical
outlet and from the back panel. Also disconnect any cables
that are connected to the computer, including the keyboard
cable.
3.
Remove the cover. (If you need instructions, see your
computer manual.)
4.
Before you touch any of the components, touch an unpainted
metal surface inside the computer s case to ground yourself
and avoid an electric shock.
Q
Warning
Be
sure
to ground
yourself to an unpainted metal surface
in
the computer every time you remove the cover. If you are
not
properly grounded, you could generate an electric shock which
could damage a
component.
If you are installing an Adaptec SCSI adapter card, skip the
section on checking jumper setting.
Checking the Jumper Setting
One of the jumpers on your Epson bidirectional parallel
adapter card identifies the port address for your bidirectional
parallel port. Follow these steps to unpack the option card and
check the jumper setting:
1.
Unpack the option card. When you handle it, be careful not to
touch any of the components on the circuit board or the
gold-edged connector.
Installing the interface Card
1-3