Thanks for writing in!
The following (black) ink works in your printer:
(The first four P/N's fall under the "Lexmark Return Program" which is kind of like a core-exchange)
801K, low-yield (1000 pages) (80C10K0),
http://www.armyproperty.com/nsn/7510-01-650-9325801SK, standard-yield (80C1SK0)
801HK, high-yield (80C1HK0)
801XK, extra-high yield (8000 pages) (80C1XK0),
http://www.armyproperty.com/nsn/7510-01-652-6118There's also the 800X1 (80C0X10) which is just a single-use, expendable (non-returnable) cartridge.
Blue (cyan) ink:
Return Program:
Low-yield (1000 pages) (80C10C0),
http://www.armyproperty.com/nsn/7510-01-650-9328801SC, standard-yield (80C1SC0)
Single-Usage, Expendable:
800X2 (80C0X20)
Magenta ink:
Return Program:
Low-yield (1000 pages) (80C1SM0),
http://www.armyproperty.com/nsn/7510-01-650-9326801SM, standard-yield (80C1SM0),
www.armyproperty.com/nsn/7510-01-650-9326Single-Usage, Expendable:
800X3 (80C0X30)
Yellow ink:
Return Program:
Low-yield (1000 pages) (80C10Y0),
http://www.armyproperty.com/nsn/7510-01-650-9324801SY, standard-yield (80C1SY0)
Single-Usage, Expendable:
800X4 (80C0X40)
The printer itself (Lexmark CX510DE) is here:
http://www.armyproperty/com/nsn/7025-01-622-9697