Reuse waste ink tank
1) Remove Maintenance tank.
2) Use a small flathead screwdriver, pry top off the Maintenance tank.
3) Remove top from the Maintenance tank and throw away the old ink-soaked pads.
4) Fold several paper towels or some cotton balls to fit in the bottom of the tank
filling the tank about 1/2 way (shown below). Then fold a paper towel on top of others. Note: Maintenance tank will only be reset when it gets full. Since you keep resetting and using the same maintenance tank, you need to modify this tank as shown following.
Refer to : http://www.inkrepublic.com/knowledgebas ... ll-faq.asp