This is the Gasket and two screws for the Maintenance Station on your Ricoh Ri3000, Ri6000 and will work on the newer Anajet mPower MP5i and MP10i. You need the two screws because they are sealing screws with a rubber o-ring. You need one of these Sets per print head on your capping station
Gasket - Anajet Part 150981-002
Gasket - Ricoh Part J0974129
Screw - Anajet Part 150889-001
Screw - Ricoh Part J0974115
You might have the "old" gaskets which are larger. This means you might need to buy the newer retainer also. So if your gaskets look bigger, like the ones on the left, get newer retainer also