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Seven black ink cartridges in a row, rectangular with gold contacts and green circuit boards

LD Products

LD Products HP 45 51645A Ink Cartridge Black 7-Pack

SKU CH-J0B6-81393

A seven-pack of dye-based black ink cartridges yielding about 1100 pages each, compatible with numerous HP DeskJet, OfficeJet and PhotoSmart printers

  • Cartridges includedBlack-7
  • Ink or toner colorBlack
  • Ink or cartridge typeDye-based
  • Estimated page yield1100 Pages
  • Replaces brandHP
  • Replacement forHP

Cartridge Quantity Black-7

  • Approximately 1100 pages per cartridge for high-volume printing
  • Seven black cartridges included to reduce replacement frequency
  • Dye-based ink formulation produces sharp text and graphics
  • Compatible with HP PhotoSmart, DeskJet, OfficeJet and DesignJet models
  • One-year quality satisfaction guarantee backs every cartridge

Seven-cartridge black set for legacy HP printers

This seven-pack of LD Products remanufactured cartridges replaces the HP 45 (51645A) black ink cartridge. It is built for owners of older DeskJet, OfficeJet, PhotoSmart, DesignJet and Color Copier models that still use the 51645A form factor. Each unit is filled with dye-based ink and rated for approximately 1100 pages.

Dye-based ink limits on plain and photo paper

Dye-based ink absorbs into standard office paper, so text stays sharp but heavy coverage can cockle thin sheets. On glossy or coated photo media the ink takes longer to dry and can smudge if handled immediately. The formulation is not water-resistant, so prints exposed to moisture will run.

Snap-in installation with chip recognition risk

Cartridges insert directly into the print-carriage slot and click into place without tools. The most common issue is the printer rejecting the remanufactured chip and reporting an empty or incompatible cartridge; reseating or cleaning the contact strip usually clears the error. Firmware updates on some legacy models may also block third-party chips permanently.

How it compares

Measured against everything we stock in Compatible Ink Cartridges, at today’s prices. Recalculated every night.

Price $103.99
Pricier than about 90% of the 2,577 comparable items (median $28.99).

Specifications

Product
Brand nameLD Products
Ink or toner colorBlack
Performance
Estimated page yield1100 Pages
Compatibility
Replaces brandHP
Replacement forHP
For use withFor use in the the following printers: 952C, 960, 960Cse, 970, 970C, 970Cse, 970Cxi, 990C, 990Cse, 995, 995C, OfficeJet 1170, G55, G55xi, G85, G95, K60, K80xi, Pro 1150, Pro 1150C, Pro 1150Cse, Pro 1170, Pro 1170C, Pro 1170Cse, Pro 1175, Pro 1175C, Pro 1175Cse, R40, R80, T45, T46, T65xi, PhotoSmart 1100, 1100xi, 1115, 1215vm, 1218xi, 1315, P1000, P1000xi, P1100, P1100 Series, P2100, P2100x
In the box
Cartridges includedBlack-7
More details
Ink or cartridge typeDye-based

Other versions of this model

1 more in the same range

Questions about this item

Should I buy the 7-pack or a smaller pack for my HP 45 printer?

The 7-pack supplies seven black cartridges at once, reducing reorder frequency for high-volume printing on compatible HP 45 models.

What does the 1100-page yield mean for everyday printing?

Each cartridge yields approximately 1100 pages at standard coverage, so actual output varies with document density and print settings.

Does the HP 45 interface limit print quality or speed?

The cartridge fits the original HP 45 slot used in listed DeskJet, OfficeJet, PhotoSmart and DesignJet models, with no interface bottleneck.

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