Detailed Product Description
1. Easy to refill inks.
2. Ink volume of 50/80ml each.
3. No need to buy new cartridges any more.
Refillable cartridges for Ricoh printer ：
1.GC21:GX7000,GX5050N,GX5000,GX3050SFN,GX3050N,GX3000SFN,GX3000SF,GX3000S,GX3000,GX2500,GX2050N
2.GC31: GX e2600,e3300,e3300N,e3350N,e5050N,e5500,e5550N,e7700
