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Rectangular black plastic HP 45 ink cartridge with label, single pack

HP

HP 51645A 45 Black Ink Cartridge Single Pack 930 Pages

SKU CH-WJRR-KB94A MPN 51645A

Genuine HP 45 black pigment-ink cartridge prints up to 930 pages for Officejet, Deskjet and compatible series

  • Cartridge QuantitySingle Pack
  • Cartridge ColorBlack
  • Replacement ModelHP
  • Compatible ProductsHP All-in-One Printers: Officejet G Series, Officejet K Seri
  • Ink Drop Size33 pl
  • Ink TypePigment-based
  • Pigment-based ink produces extra-sharp black text for professional documents
  • Approximate yield of 930 pages supports everyday office printing
  • Compatible with Deskjet 855, 1000, 1100, 1600 and Officejet G, R, T series printers
  • Simple installation and replacement keeps maintenance low and printing trouble-free
  • Genuine HP cartridge reliability helps avoid reprints and wasted supplies

HP 45 Black Pigment Ink Cartridge

The HP 51645A is a genuine HP 45 black ink cartridge supplied as a single pack. It uses patented pigment-based ink formulated for sharp black text and professional results. The cartridge is designed for easy installation and reliable performance in compatible HP inkjet printers. Approximate page yield is 930 pages.

Suits owners of listed HP Deskjet

This cartridge fits HP Deskjet 855, 1000, 1100 and 1600 series plus Officejet 1100, G50, G80, R40, R60, R80, T40 and T60 series printers. It also supports Officejet Pro 1150C, 1170C and 1175C series and Officejet G, K, R and T series devices. Buyers with printers outside these listed families should look for the correct cartridge for their model.

930-page approximate yield at 33 pl drop size

The cartridge delivers an approximate yield of 930 pages using a 33 pl ink drop size. Pigment-based ink provides water-resistant, fade-resistant prints suitable for archival documents. Operating temperature range is 5 to 95 degrees Fahrenheit and storage range is -40 to 140 degrees Fahrenheit. This yield figure is the key specification for planning print volume.

Highlights

  • Pigment-based ink produces extra-sharp black text for professional documents
  • Approximate yield of 930 pages supports everyday office printing
  • Compatible with Deskjet 855, 1000, 1100, 1600 and Officejet G, R, T series printers
  • Simple installation and replacement keeps maintenance low and printing trouble-free
  • Genuine HP cartridge reliability helps avoid reprints and wasted supplies

Specifications

BrandHP
ModelHP 45 (51645A)
Part Number51645A
Cartridge QuantitySingle Pack
Cartridge ColorBlack
Replacement ModelHP
Compatible ProductsHP All-in-One Printers: Officejet G Series, Officejet K Series, Officejet Pro 1150C Series, Officejet Pro 1170C Series, Officejet Pro 1175C Series, Officejet R Series, Officejet T Series
HP Copy Machines: Color Copier 110, Color Copier 120, Color Copier 140, Color Copier 145, Color Copier 150, Color Copier 155, Color Copier 160, Color Copier 170, Color Copier 180, Color Copier 190, Color Copier 210 Series, Color Copier 260, Color Copier 270, Color Copier 280, Color Copier 290
HP Fax Machines: Fax 1220 Series
HP Inkjet Printers: Deskjet 1000C Series, Deskjet 1100C, Deskjet 1120C Serie
Ink Drop Size33 pl
Ink TypePigment-based
Approximate Page Yield930 Pages
Operating Temperature5 to 95 degrees Fahrenheit
Storage Temperature-40 to 140 degrees Fahrenheit
FeaturesOutstanding print quality
Patented, pigment-based HP ink for extra sharp black text and professional results, every time.
Reliable HP cartridges - a critical component of the total imaging system - ensure consistent results.
Easy to use and maintain
Simple to install and easy to replace for low maintenance, trouble-free printing.
Free, convenient return and recycling in over 30 countries.
HP reliability delivers value
The HP 45 was 9 times more reliable,on average, than the leading remanufactured brands tested.
Precisely designed and engineered to save time and increase productivity.
Shipping weight0.15 kg
Package size159 × 117 × 27 mm

Questions about this item

Should I choose the single pack or a multi-pack for the HP 45 black cartridge?

The listing shows a single pack containing one 51645A black cartridge rated for approximately 930 pages.

What does the 930-page yield mean for everyday printing on my Deskjet 855?

The 930-page figure is an approximate yield measured under standard test conditions; actual pages will vary with content density and print settings.

Does the HP 45 cartridge use a standard ink interface that limits print quality?

The cartridge uses HP's patented pigment-based ink with a 33 pl drop size, designed specifically for the listed Deskjet and Officejet models.

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