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HP 45A Black Original LaserJet Toner Cartridge

Free shipping, delivered next business day | Save 20% on toner when purchased with a printer. Limit 1

Product #Q5945A
Back Features

When productivity counts, you need low-maintenance cartridges that keep your printers working hard. Fewer, reliable supplies reduces interruptions. And saving time saves money. The true value is original HP LaserJet toner cartridge technology.

Return & exchange information

We have extended our return policy for the holidays. All purchases made between 11/1/15 – 12/25/15 will have until January 15th, 2016 to return.

Back Specs

Product specifications

Color(s) of print cartridges


Print technology


Page yield (black and white)

18,000 pages

Page yield footnote

Approximate average yield based on ISO/IEC 19752. Actual yield varies considerably based on content of printed pages and other factors. For details see http://www.hp.com/go/learnaboutsupplies.

Operating temperature range

50 to 90.5°F

Storage temperature range

-4 to 104°F

Operating humidity range

20 to 80% RH

Storage humidity

10 to 90% RH

Package dimensions (W x D x H)

15.39 x 9.37 x 12.99 in

Package weight

7.5 lb


This HP product is warranted to be free from defects in materials and workmanship.

What's in the box

Toner cartridge; Recycling guide

Return & exchange information

We have extended our return policy for the holidays. All purchases made between 11/1/15 – 12/25/15 will have until January 15th, 2016 to return.

Back Special offers
  • Free shipping, delivered next business day
  • Save 20% on toner when purchased with a printer. Limit 1
Back Reviews

Prices, specifications, availability and terms of offers may change without notice. Price protection, price matching or price guarantees do not apply to Intra-day, Daily Deals or limited-time promotions. Quantity limits may apply to orders, including orders for discounted and promotional items. Despite our best efforts, a small number of items may contain pricing, typography, or photography errors. Correct prices and promotions are validated at the time your order is placed. These terms apply only to products sold by HP.com; reseller offers may vary. Items sold by the HP.com are not for immediate resale. Orders that do not comply with HP.com terms, conditions, and limitations may be cancelled.

HP’s MSRP is subject to discount. HP’s MSRP price is shown as either a stand-alone price or as a strike-through price with a discounted or promotional price also listed. Discounted or promotional pricing is indicated by the presence of an additional higher MSRP strike-through price.

In-home warranty is available only on select customizable HP desktop PCs. Need for in-home service is determined by HP support representative. Customer may be required to run system self-test programs or correct reported faults by following advice given over phone. On-site services provided only if issue can't be corrected remotely. Service not available holidays and weekends.

HP will transfer your name and address information, IP address, products ordered and associated costs and other personal information related to processing your application to Bill Me Later®. Bill Me Later will use that data under its privacy policy.

Ultrabook, Celeron, Celeron Inside, Core Inside, Intel, Intel Logo, Intel Atom, Intel Atom Inside, Intel Core, Intel Inside, Intel Inside Logo, Intel vPro, Itanium, Itanium Inside, Pentium, Pentium Inside, vPro Inside, Xeon, and Xeon Inside are trademarks of Intel Corporation in the U.S. and/or other countries.

Microsoft Windows 10: Not all features are available in all editions or versions of Windows 10. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows 10 functionality. Windows 10 is automatically updated, which is always enabled. ISP fees may apply and additional requirements may apply over time for updates. See http://www.microsoft.com.

  1. [1] Program features and availability may vary by country. For more information, visit http://www.hp.com/learn/suresupply. Order consolidation available on printers with HP Easy Printer Care Software installed.
  2. [2] Program availability varies. HP printing supplies return and recycling is currently available in more than 40 countries, territories and regions in Asia, Europe and North and South America through the HP Planet Partners program.
  3. [3] Declared yield value in accordance with ISO/IEC 19752.