LEADTOOLS ePrint C DLL OEM-specific functions are:
L_EpnInstallOEMPrinter
L_EpnUninstallOEMPrinter
L_EpnLockOEMPrinter
L_EpnUnlockOEMPrinter
L_EpnIsOEMPrinterLocked
L_EpnOEMActivate