I put new print head on Epson 11880, nozzle check test has only 2 colors from new original epson cartridges. Later I tried add new cartridge for all color but problem is same,only two color is visible. I put rank id print head,reset print head counter,all cartridge and maintenace 
s are new and visible on display and status sheet.what can I do to activate all catridge for new print head?
