Ricoh M126 Service Manual page 425

The serial parameters in the COM port must match the serial parameters you set in the printer.
a
Open the Device Manager.
1
Click , or click Start and then click Run.
2
In the Start Search or Run box, type devmgmt.msc.
3
Press Enter, or click OK.
The Device Manager opens.
b
Click + to expand the list of available ports.
c
Select the communications port where you attached the serial cable to your computer (example: COM1).
d
Click Properties.
e
On the Port Settings tab, set the serial parameters to the same serial parameters in the printer.
Look for the printer settings under the serial heading on the Menu Settings page you printed earlier.
f
Click OK, and then close all the windows.
g
Print a test page to verify printer installation. When a test page prints successfully, printer setup is complete.
Additional printer setup
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