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HP 78A 2-pack Black Original LaserJet Toner Cartridges

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HP 78A LaserJet Toner Cartridge Dual Pack, black. Average cartridge yields 2100 standard pages[2]
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Stretch your printing budget. Original HP LaserJet dual packs offer a better value than individual cartridges. Print more pages for a lower price with catridges packaged for high-volume printing. Save on shipping—get two cartridges in one order.

Print more affordably—Original HP LaserJet dual packs offer a better value than individual cartridges.

Produce more pages for a lower price with two cartridges packaged for high-volume printing.

Save on shipping and handling with only one product to order.

Print with confidence—Original HP LaserJet toner cartridges are designed together with HP printers and MFPs to offer outstanding performance. Make an impact with professional-quality black-and-white documents. Rely on HP for free and easy recycling.

Make a professional impression with crisp black-and-white documents.

Count on consistent results—page after page and cartridge after cartridge.

Get free and easy recycling—cartridges returned through HP Planet Partners are recycled responsibly.[1]

Stay productive and worry less about supplies. Reduce shopping trips with two cartridges packaged together instead of individual cartridges. Decrease downtime—keep an extra cartridge on hand. Intuitive design makes replacing cartridges easy.

Decrease shopping trips by choosing Original HP LaserJet dual packs instead of individual cartridges.

Original HP 78A Toner Cartridge Your business productivity and office environment matter. HP toner cartridges are designed to be easy to use, dependable, secure, and part of a closed-loop economy. Original HP 78A Toner Cartridge Your business productivity and office environment matter. HP toner cartridges are designed to be easy to use, dependable, secure, and part of a closed-loop economy. Legendary Performance Get precision output, page after page1 Sustainability in Mind All HP toner cartridges contain recycled content2 Security To help protect your printer and your data3 Committed to Office Air Quality To help maintain office air quality for the comfort of your employees Count on Original HP Toner Cartridges Reliable Printing Performance Designed to work the first time, every time1 Avoid wasting money and time. Over 40% of non-HP toner cartridges tested were dead on arrival or failed prematurely1. Designed for Security You can Trust HP is vigilant about recognizing and mitigating security risks in the supply chain to help reduce the risk of malicious code4 entering the printer cartridge chip. Make Sustainability Count HP works to enable a sustainable future by putting circular economy principles into action. Designed to Comply with IAQ Original HP toner cartridges can help you be confident your HP printing system5 will perform within eco-label emission guidelines. Did You Know? Indoor Air Quality Businesses should be concerned about indoor air quality. Original HP toner cartridges are designed and tested to help protect your customers and employees from exposure to elevated levels of volatile organic compounds (VOCs)5. Security Why take a chance with imitation cartridge chips that can be reprogrammed? HP chips are tamper-resistant3. By using only Original HP cartridges in your HP device, you can help protect the integrity of your data3. Quality Get professional-quality documents from first page to last, and avoid costly reprints with reliable, easy-to-replace cartridges1. Businesses are 3 times as likely to require a service call due to the use of non-HP toner cartridges5. Sustainability All HP toner cartridges contain recycled content2. Designed with the environment in mind, original HP cartridges have been engineered to use recycled content while meeting HP’s high quality standards. 4 Easy Ways to Spot a Fake Toner Cartridge Mobile Authentication Scan the QR code with your smartphone to validate as authentic HP. Security Seal Label You should see this when you tilt the security seal: 1. The “HP” and “tick mark” move in opposite directions when the box is tilted front to back. 2. The “HP” and “tick mark” move in the same directions when the box is tilted right to left. Online Visit hp.com/go/ok and enter the serial number from the label. Tamper Evident Label* Check the label for these 3 signs that show evidence of tampering: 1. The lines in the pattern do not match. 2. The label is colored rather than transparent. 3. The text on the label changes to show “seal is void”. *Only for Selected countries and products Nov 2018 SpencerLab Monochrome Reliability study, commissioned by HP, compared Original HP cartridges with seven brands of non-HP cartridges for HP LaserJet Pro 400 M401 and Pro P1102 printers, HP 80A and 88A cartridges. See www.spencerlab.com/reports/HPReliability-APJ-2018NB.pdf. 100% of Original HP toner cartridges contain between 5-45% post-consumer or post-industrial recycled content. Does not include toner bottles. See hp.com/go/recycledcontent. HP Office-class printing systems include Enterprise-class devices with FutureSmart firmware 4.5 or above, Pro-class devices, and their respective Original HP toner, PageWide, and ink cartridges. Does not include HP integrated printhead ink cartridges. See https://h20195.www2.hp.com/v2/GetDocument.aspx?docname=4AA6-8438ENW and hp.com/go/SuppliesSecurityClaims Digital supply-chain tracking, hardware, and packaging security features vary locally by SKU. An HP printing system consists of HP printer, HP paper and Original HP supply. Blue Angel DE-UZ 205 emissions criteria or earlier versions applicable when printing system launched. Aug 2018 Market Strategies International study commissioned by HP. Results based on 343 surveys from HP ServiceOne Partners who have at least 6 months of experience servicing HP monochrome and/or Color LaserJet printers with HP Original cartridges and non-HP toner cartridges installed in the past 12 months. Study was conducted in 6 countries: CN, IN, ID, KR, TH, AU. See marketstrategies.com/hp/APJ-Technician2018.pdf Approximate average yield based on ISO/IEC 19752. Actual yield varies considerably based on content of printed pages and other factors. For details see https://www.hp.com/go/learnaboutsupplies.
Hardware compatibility
HP LaserJet Pro M1536, M1537, M1538, M1539, P1566, P1606







Cartridges and Printheads

Page yield (black and white)

Per cartridge: 2,100 pages

Cartridges Capacity

Standard Capacity Cartridges



Cartridge color




Color(s) of printing supplies


Supply type


Product Names

Sub-brand name


Product sub type


Printing Media

Shelf life

Not applicable



2 years warranty from date of purchase (proof of purchase)


This HP product is warranted to be free from defects in materials and workmanship. This warranty does not apply to products that (a) have been refilled, refurbished, remanufactured or tampered with in any way, (b) experience problems resulting from misuse, improper storage, or operation outside of the published environmental specifications for the printer product or (c) exhibit wear from ordinary use. To obtain warranty service, please return the product to place of purchase (with a written description of the problem and print samples) or contact HP customer support. At HP’s option, HP will either replace products that prove to be defective or refund your purchase price. TO THE EXTENT ALLOWED BY LOCAL LAW, THE ABOVE WARRANT Y IS EXCLUSIVE AND NO OTHER WARRANTY OR CONDITION, WHETHER WRITTEN OR ORAL, IS EXPRESSED OR IMPLIED AND HP SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, AND FITNESS FOR A PARTICULAR PURPOSE. TO THE EXTENT ALLOWED BY LOCAL LAW, IN NO EVENT WILL HP OR ITS SUPPLIERS BE LIABLE FOR DIRECT, SPECIAL, INCIDENTAL, CONSEQUENTIAL (INCLUDING LOST PROFIT OR DATA), OR OTHER DAMAGE, WHETHER BASED IN CONTRACT, TORT, OR OTHERWISE. THE WARRANTY TERMS CONTAINED IN THIS STATEMENT, EXCEPT TO THE EXTENT LAWFULLY PERMITTED, DO NOT EXCLUDE, RESTRICT OR MODIFY AND ARE IN ADDITION TO THE MANDATORY STATUTORY RIGHTS APPLICABLE TO THE SALE OF THIS PRODUCT TO YOU.


Operating temperature range

10 to 32.5°C

Recycled material content


Storage temperature range

-20 to 40°C

Operating humidity range

20 to 80% RH

Non-Operating Humidity Range

10 to 90% RH


Hardware compatibility

HP LaserJet Pro M1536, M1537, M1538, M1539, P1566, P1606


Country of origin

Made in Japan


Dimensions without stand (W x D x H)

375 x 226 x 125 mm

Package dimensions (W x D x H)

375 x 226 x 125 mm

Printer Specifications

Print technology



Package weight

~1.58 kg


~1.16 kg





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  • [1]Program availability varies. Original HP cartridge return and recycling is currently available in more than 50 countries, territories, and regions in Asia, Europe, and North and South America through the HP Planet Partners program. For more information, visit http://www.hp.com/recycle.
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