Stylus Pro 4880 Field Repair Guide 1/17/08
Set Ink Cartridges Printer Component, Software Item, LCD Display, Printer Button  Page 129.
Set Ink Cartridges
Note: The Set Ink Cartridge error indicates that the Printer does not detected one or more Ink 
Cartridges.
The error is usually generated when: 
•The Ink Cartridge Release Sensor is defective.
•The Ink Bay CSIC Contacts are defective.
•The Ink Cartridge CSIC Chip is defective.
•The Cables to, or the Main Board is defective (least likely).