Pro 7900 and 9900 Field Repair Guide 10/6/10
INK CARTRIDGE ERROR: REPLACE INK CARTRIDGE Printer Component, Software Item, LCD Display, Printer Button Page 229.
4. Inspect the released ink.
This image shows the approximate amount of ink that
should be released from the Cartridge. This particular
Cartridge did not contain air bubbles in the ink.
This Cartridge did contain air bubbles in the
ink. The small amount of air in the ink is enough
to cause the error.