Communication Methods (Unidirectional and Bidirectional Printing)
There are two printer communication methods: unidirectional printing and bidirectional printing.
How to Determine the Communication Method
You can check whether the printer is connected by bidirectional printing or unidirectional printing in the [Printer Information] dialog box.
For details about the [Printer Information] dialog box, refer to the online help. For details on how to view the online help, see "
Referring to the Readme File and Online Help."
Communication Methods (Unidirectional and Bidirectional Printing)
Bidirectional Printing
Communication is possible in both directions between the computer and the printer.
Unidirectional Printing
Data can be sent only from the computer to the printer.
The following functions that require bidirectional communication are not available (for details, refer to the Online Help):
Acquiring information regarding options installed in the printer etc.
NOTE
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To use the options set in the printer you are using, you must set the options at the computer. For details about setting the options, see " Unidirectional Printing."
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Using the Printmonitor
Verifying the Job Accounting ID and password
Overlay printing
Checking the proof print ON/OFF setting
Selecting custom paper types registered in the printer
Selecting color profiles registered in the printer