You will need one of the following documents:
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
  • Letter of Enrollment on school letterhead
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
  • Your Purchase Order
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: 1299881 | Mfg Part #: C9466A
Retail $325.50 $310.99

Ships in 1-2 Business Days

This ink cartridge delivers outstanding photo-image quality, water resistance, and exceptional fade resistance.

Manufacturer : Hewlett-Packard
Manufacturer Part Number : C9466A
Manufacturer Website Address :
Product Model : No. 91
Product Name : No. 91 Pigment Light Gray Ink Cartridge For Designjet Z6100 Series Printers
Product Type : Ink Cartridge
Print Technology : Inkjet
Print Color : Light Gray
Compatibility : * HP Designjet Z6100 Printer * HP Designjet Z6100PS Printer
Recycled : No
Recycled Content : 0%
Post-consumer-waste% : 0%
Country of Origin : Singapore