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Bidirectional communications
problems
42
Troubleshooting
Note: This section does not apply to Windows NT 4.0
users.
These events indicate bidirectional communications
problems:
•
A message displays on your computer screen
indicating your printer cannot establish
bidirectional communications with your computer.
•
Print cartridge ink level indicators on the Status or
Cartridges Tabs of the printer's Control Program
are grayed out.
•
Job progress information and printer paper feeding
error messages (such as Paper Out) do not display
on your computer screen.
Before proceeding, verify:
•
The printer is able to send and receive data:
a
Unplug the printer power cord from the
electrical outlet.
b
Make sure the parallel cable is securely
attached to both the computer and the
printer.
c
Plug the printer power cord into a properly
grounded electrical outlet.
•
If you have a switch box or other device connected
to the computer's parallel port, make sure it
supports bidirectional communication. You may
need to disconnect your printer from the switch
box or other device and connect the printer directly
to your computer.
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