Product Specifications
| SKU | 51640A |
|---|---|
| OEM Part Number | 51640A |
| UPC / GTIN | 810000266418 |
| Cartridge Type | Ink Cartridge |
| Compatible Brand | HP |
| Color | Black |
| Condition | New |
| Warranty | 100% Satisfaction Guarantee |
Compatible Printers
This ink cartridge is compatible with the following HP printers:
- COPYJET
- COPYJET COLOR
- COPYJET M
- DESIGNJET 650
- DESIGNJET 230
- DESIGNJET 250
- DESIGNJET 250C
- DESIGNJET 330
- DESIGNJET 350C
- DESIGNJET 430
- DESIGNJET 450
- DESIGNJET 450C
- DESIGNJET 450CA
- DESIGNJET 455C
- DESIGNJET 488CA
- DESIGNJET 550
- DESIGNJET 650C PS
- DESKJET 1200C
- DESKJET 1200C-PS
Product Description
The HP HP 40 remanufactured black ink cartridge from Castle Ink is a direct replacement for the OEM HP HP 40, built for HP LaserJet, OfficeJet, DeskJet or DesignJet office printers. It’s an economical way to keep your printer in service without paying full OEM prices, while still meeting the print-quality standards your team expects.
The HP 40 delivers dense, dark black for sharp text, line work and reliable bar-code scanning. Castle Ink uses pigment-grade carbon black where the OEM specifies pigment ink so output looks crisp at first print and stays consistent through the life of the cartridge. Every HP 40 is assembled with a sealed ink reservoir, OEM-spec print-head interface, and color-balanced ink, then individually tested before shipping. Castle Ink backs every HP 40 with a 100% satisfaction guarantee: if you aren’t happy with quality or yield, we replace or refund it.
Compatible HP Printers
- HP DESKJET 1200C
- HP DESKJET 1200C-PS
- HP COPYJET
- HP COPYJET COLOR
- HP COPYJET M
- HP DESIGNJET 230
- HP DESIGNJET 250C
- HP DESIGNJET 250
- HP DESIGNJET 330
- HP DESIGNJET 350C
- HP DESIGNJET 430
- HP DESIGNJET 450C
- HP DESIGNJET 450CA
- HP DESIGNJET 450
- HP DESIGNJET 455C
- HP DESIGNJET 488CA
- HP DESIGNJET 550
- HP DESIGNJET 650
- HP DESIGNJET 650C PS
Product Specifications
- SKU: HP 40
- OEM Reference: HP HP 40
- Color: Black
- Cartridge Type: Remanufactured (non-OEM)
- Format: Inkjet Ink
- Brand Compatibility: HP
- Warranty: Castle Ink 100% satisfaction guarantee
- Shipping: Free U.S. shipping; same-day dispatch on orders before 2pm ET
Frequently Asked Questions
Will the HP 40 void my HP printer warranty? No. Under the U.S. Magnuson-Moss Warranty Act, your printer manufacturer cannot void your warranty solely because you installed a compatible (non-OEM) cartridge.
How does print quality compare to the genuine HP HP 40? The HP 40 is engineered to match the OEM cartridge’s ink chemistry, density and head-firing characteristics so day-to-day output should look essentially identical. If you ever see a difference, our satisfaction guarantee covers a free replacement or refund.
How fast will my order ship? Orders placed before 2pm ET ship the same business day from our U.S. warehouse with free standard shipping. Expedited options are available at checkout.
- See all HP Ink Cartridges