HP 90X Black High Yield Toner Cartridge, Prints Up to 24,000 Pages (CE390X), Pack of 2

1) HP 90X toner cartridges work with: HP LaserJet Enterprise printers and MFPs: M4555f, M4555fskm, M4555h, M602n, M602dn, M602m, M602x. 
2) Cartridge Yield (approx.): 24,000 pages each. 
3) Color: Black. 
4) What's in the box: 2 new Original HP 90X Black High Yield Toner Cartridges (CE390X). 

[features] 
Yield Type 1: High Yield; 

Supply Type: Toner; 

Cartridge Yield Type: High Yield; 

MICR Toner: No; 

Number of Black Cartridges: 2; 

Ink or Toner Cartridge Type: Original; 

Page Yield Per Cartridge (Up to): 24,000; 

[color type] 
Yield Type 1 Color: Black; 

Ink or Toner Color: Black; 

[yield per cartridge] 
Number of Color Cartridges: 0; 

Yield per Cartridge (Black): 24,000; 

[additional details] 
Series or Collection: LaserJet; 

Total Number of Cartridges: 2; 

Manufacturer Part Number: black (CE390X); 

Cartridge Brand and Family: HP 90X; 

True Color: Black; 

Family Model #: 90X; 

Cartridge Model #: CE390X; 

Pack Qty: 2; 

Ink or Toner Pack Size: 2/Pack.