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College Students / Parents
  • Instant Online Verification
  • Dated Student ID from the current semester or school year
  • Course Schedule
  • Registration Receipt for this semester
  • Letter of Enrollment on school letterhead.
K-12 Student / Parents
  • Report Card
  • Dated Student ID from the current semester or school year
  • Registration Receipt
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Teachers, Faculty, or Staff
  • Link to your faculty web page
  • Current Faculty ID
  • Letter of Employment on school letterhead
  • Pay Stub (cross out confidential information)
Home School
  • Membership in Home School Association
  • Receipt for Home School Curriculum
  • Letter of intent to home school from a state agency
School Districts, Colleges, Universities
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Non-Profit Organizations
  • Copy of IRS 501(c)3 form
  • IRS letter stating that you are a 501(c)3
Hewlett-Packard (HP)
Product ID: 726317 | Mfg Part #: 51640A
Retail $46.56 $39.99

Ships in 1-2 Business Days


The HP 40 Black Inkjet Print Cartridge is ideal for business or home users who want professional-quality copies and printouts. The HP 40 is a 300 dpi black ink cartridge that delivers the highest possible print quality using pigmented ink to produce crisp, sharp characters on most bond/copier papers, and is made to work with HP color inks. The print cartridge contains genuine HP ink that provides quality and reliability every time you print. Yield: 1,122 pages, based on 5% average coverage.

Manufacturer : Hewlett-Packard
Manufacturer Part Number : 51640A
Manufacturer Website Address : www.hp.com
Product Model : No. 40
Product Name : No. 40 Black Ink Cartridge
Marketing Information : The HP 40 Black Inkjet Print Cartridge is ideal for business or home users who want professional-quality copies and printouts. The HP 40 is a 300 dpi black ink cartridge that delivers the highest possible print quality using pigmented ink to produce crisp, sharp characters on most bond/copier papers, and is made to work with HP color inks. The print cartridge contains genuine HP ink that provides quality and reliability every time you print. Yield: 1,122 pages, based on 5% average coverage.
Product Type : Ink Cartridge
Print Technology : Inkjet
Print Color : Black
Duty Cycle : 1122 Pages
Compatibility : * HP Deskjet 1200C and 1200C/PS printers, and HP Copyjet and Copyjet M copier-printers

Recycled : No
Recycled Content : 0%
Post-consumer-waste% : 0%
Country of Origin : Ireland
Standard Warranty : 6 Month Limited