HOTCOLOR 30XL Replacement Ink Cartridge for Kodak 30 Series 6 Black 4 Color Ink Cartridge - 10 Pack Kodak 30B 30C 1.30 XL Series Kodak work for: ESP Office 2150, 2170 ; ESP Series C100, C300, Cxxx ; ESP Office Series 2100 AiO ; Hero 3.1, Hero 5.1 ;ESP C110, C310, C315 Printer 2. Content: 10 Pack - 6 Black ; 4 Color Compatible for Kodak 30XL/B 30XL/C Ink Cartridges 3.Page Yield: Kodak 30XLB - 670 pages; 30XLC - 500 pages (at 5% page cover)| Shelf Life: 12 Months 4. Type: Work as Kodak 30B/XL 30C/XL 30B 30C Ink Cartridge ; Remanufactured Compatible Ink Cartridge by HOTCOLOR (ISO 9001 certified facility);Not made by Kodak. 5. Guarantee: 120 days quality warranty.If there is any problem,DO NOT hesitate to contact us. 30XLB Black Ink Cartridge (670 Yield) -- 6 Pack 30XLC Color Ink Cartridge (500 Yield) -- 4 Pack ESP Office 2150, 2170 ; ESP Series C100, C300, Cxxx ; ESP Office Series 2100 AiO ; Hero 3.1, Hero 5.1 ; ESP C110, C310, C315 Printer 1.Take cartridge out of the printer and close the door/cover 2. Turn the printer off and un-plug it from the wall for 30 seconds 3. Gently wipe the gold connection points found on the side of the cartridge; you may use a soft, lint free cloth or cotton swab and alcohol 4. Power the printer back on and allow it to fully warm up 5. Re-install the cartridge and make sure it &#039;clicks&#039; or &#039;snaps&#039; into place 6.Then the ink level will still read and the cartridge will print as normal even though it read as expired. 7.If the troubleshooting does not help, via email we will assist you further.