For Enable and disable color printing in network printer you must need IP address of Network Printer . and your System where you want to access network printer should be in network .
Follow these steps………....
1. Access network printer through IP address of Network printer. Put IP address 172.17.3.60 in address bar in Internet explorer, then Click on Enter .
2. Now click on Log in on the Network printer window ,then Put User Name and password , then OK
3. Click on Setting , then Click on Restrict Color in Left pane , then Select Enable Color radio button on the Right Pane to Enable Color Printing.
4. Finally Scroll down window then Click on OK.