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10. Close the cartridge cover. 
11. Close the printer cover and press the   ink button for one second. The printer 
moves the print head and begins charging the ink delivery system.
The green   power light flashes and the printer makes noise. Charging takes 
about one minute. When it’s finished, the   power light stops flashing and 
stays on.
Note: Never turn off the printer while the   power light is flashing, unless the 
printer hasn’t moved or made noise for more than 5 minutes.
 
Replacing a Cartridge When Print Quality Declines
Even if the   ink out light isn’t flashing or on, you may need to replace an ink 
cartridge if it’s been installed in your printer for more than six months and print 
quality declines. 
Follow these steps to replace old ink cartridges:
1. Print a nozzle check pattern to determine which cartridges need to be replaced:
Windows: Right-click the   printer icon on the Windows taskbar, and then 
click 
Nozzle Check.
Macintosh OS X: Open your Applications folder and double-click the EPSON 
Printer Utility
 icon. Select C84 Series in the printer list and click OK. Then 
click Nozzle Check.
Macintosh 8.6 to 9.x: Open your application’s File menu and choose Print. Click 
the   Utility button, then click the 
Nozzle Check button.