•Bidirectional communications is NOT disabled in your Lexmark printer software.
aFrom the printer's Control Program, click the Options Tab.
For help opening the Control Program, see “Opening the Control Program” on page 8.
bMake sure Disable Bidirectional Communi- cations is not checked.
If you checked all of the items above, and still experience bidirectional communications problems, continue with “Solving bidirectional communications problems”.
Solving bidirectional communications problems
Bidirectional communications problems have two primary causes:
•You are using the wrong parallel cable.
•Your computer system is not configured for bidirectional communications.
Replacing the parallel cable
You must use an IEEE
Computer configuration problems
If you have the correct parallel cable and bidirectional communications problems persist, you may have a computer configuration problem. The three configuration problems usually preventing or disrupting bidirectional communications are:
•Your computer does not support bidirectional communications.
Troubleshooting
Troubleshooting 45
