The HP LaserJet Enterprise MFP M631dn uses black toner in two sizes. The high yield HP 37X (CF237X) prints about 25,000 pages, and the standard HP 37A (CF237A) prints about 11,000 pages. Both are compatible toner cartridges. The same supplies also fit the HP LaserJet Enterprise M608dn, M609dn, and LaserJet Enterprise flow MFP M632z. Same-day shipping on most orders.
Reg Price $92.99
$64.99
0.6¢ per page
Reg Price $98.99
$69.99
0.3¢ per page (best value: lowest cost per page in this color)

