Oki 2426 Series User Manual page 672

Fees
In the drop-down box, select a fee definition to be used. Some fee
settings are available with defaults.
To custom define settings for the printer, click Define fees ... and
then click Add in the Defined Fees window.
The following window appears:
JA_DefineFees.bmp
Executive Series 2426 Printer Family User's Guide
Print Job Accounting Utility • 672