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RS-232C/RS-422 Serial Interface Option ii
How This Guide is Organized
Chapter 1 - Installing the Serial Interface
This chapter explains the procedure for installing the RS-232C/RS-422 Serial Interface option
in OKI B6100 Laser Printers.
Chapter 2 - Using the RS232-C/RS422 Serial Interface
This chapter lists the Serial Interface setup features and available selections via the control
panel menus. The Serial Interface connector pinouts are listed. Troubleshooting error mes-
sages appearing on the printer’s control panel are also discussed.
Chapter 3 - Troubleshooting
This chapter discusses troubleshooting error messages appearing on the printer’s control
panel. Sources of help, information and technical support are also discussed.
Features of the RS-232C/RS-422 Serial Interface
The RS-232C/RS-422 Serial Interface for your printer provides the following:
• RS-232C or RS-422 support
• Baud rate support from 1200 bps to 115200 bps
• DB-25 female connector
• Quick and easy installation requiring no tools
• Control panel menus enable fast and easy configuration and troubleshooting.
Printer Requirements
Before installing the RS-232C/RS-422 Serial Interface option, you will need to make sure of the follow-
ing two requirements:
• Make sure that your printer has a free network port access slot.
• Make sure that your printer’s “Product Version” is V2.03a or later. If you are unsure of your
printer’s version of code, print a Configuration Summary as described in the user’s guide that came
with your printer. If your printer has an earlier version of code contact your point of purchase.