Hewlett Packard
CS Compatible Replacement for HP LaserJet M4345X Toner Cartridge Black
- Page Yield:
- 20,000 Pages
- Availability:
- In Stock
- Shipping:
- Free Shipping
- Page Yield:
- 20,000 Pages
- Availability:
- In Stock
- Shipping:
- Free Shipping
- Compatible Printers
- LaserJet 4345
- LaserJet 4345mfp
- LaserJet 4345x mfp
- LaserJet 4345xm MFP
- LaserJet 4345xs MFP
- LaserJet M4345 MFP
- LaserJet M4345x MFP
- LaserJet M4345xm MFP
- LaserJet M4345xs MFPi>
- HP Q5945A
- LaserJet 4345X
- LaserJet 4345XM
- LaserJet 4345XMFP
- LaserJet 4345XMMFP
- LaserJet 4345XS
- LaserJet 4345XSMFP
- LaserJet M4345
- LaserJet M4345MFP
- LaserJet M4345X
- LaserJet M4345XM
- LaserJet M4345XMFP
- LaserJet M4345XMMFP
- LaserJet M4345XS
- LaserJet M4345XSMFP
- Specifications
- SKU:
- HP-M4345X
- Printer Brand:
- Hewlett Packard
- OEM Number:
- Q5945A
- Ink Color:
- Black
- Page Yield:
- 20,000 Pages
- Printer Type:
- Laser Cartridge
- Condition:
- New Compatible
- Description
- Yields up to 20000 pages
- Manufactured specifically for HP printers compatible HP toner cartridges offer fast hassle-free printing
- HP LaserJet M4345X Toner Cartridge Black deliver consistent yields and provide high-quality results
- Streamline your printing needs with the time-saving reliability of compatible HP LaserJet toner cartridges
- And saving time saves money the true value is compatible HP LaserJet toner cartridge technology
- Packaging: Each
- Compatible with: HP LaserJet 4345 4345x 4345xm 4345xs M4345 M4345xm M4345xs etc.
- Cartridge yield type: Standard
- Print technology: Laser
- Page yield footnote: Approximate average yield based on ISO/IEC 19752 actual yield varies considerably based on content of printed pages and other factors
- Consistent quality no problems the HP toner cartridge just works so well that the technology has earned HP #1 rated reliability
- Fewer interruptions keep your workgroups productive save time and lower your overall printing costs
- HP LaserJet toner cartridge includes the toner and imaging drum in one supply
- To minimize interruptions HP smart technology sends alerts when supplies are low
- Simply choose your preferred reseller and place your order through HP suresupply
- Designed to work with the printer to optimize print quality and reliability with every print
- Toner cartridges deliver consistent yields and provide high-quality results
- Operating temperature range: 10 - 32.5 deg C storage temperature range: -20 - 40 deg C storage humidity range: 10 - 90% RH
- Includes: Toner cartridge Recycling guide
- Warranty: Warranted to be free from defects in materials and workmanship
- Reviews

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Compatible HP LaserJet M4345X Toner Cartridge Black produce superior quality and consistency for a wide array of printing needs
HP LaserJet M4345X Toner Cartridge Black is designed to deliver the best image quality and reliable printing. Toner cartridge is compatible with HP LaserJet 4345 4345x 4345xm 4345xs M4345 M4345xm M4345xs etc. and yields up to 20000 pages.
Features:-
M4345X
Frequently Asked Questions
Does the M4345X take the same cartridge as the base M4345?
The same one. Every model in this family runs on the Q5945A black cartridge — the 45A — and this listing is a single unit at $56.53 rated for 20,000 pages. The X adds machine features, not a new supply.
What does the X configuration change about toner habits?
Mostly volume and duplexing. The LaserJet M4345X is typically bought for heavier, two-sided work, and each imaged side counts against the cartridge. Paper savings are real; toner is spent per side regardless.
How can a networked X be checked before a deadline run?
Through its web interface: the supplies page shows the cartridge percentage without a trip to the machine. Checking before a long two-sided run is worthwhile, because a mid-run swap leaves the job's second half visibly different from its first.
Is there a way to make a fading cartridge finish a job evenly?
Rocking the cartridge redistributes what toner remains and often restores even density for a while. It buys pages, not a second life — treat it as the signal to order, with the replacement fitted once the current job is safely out.
Do copies and faxes count against the same percentage?
Yes. The gauge reflects everything the machine has imaged: prints from the network, copies from the glass and faxes off the line. Scanning alone leaves the number untouched.
What terms come with this cartridge?
A 1-year warranty and 1-year free returns, detailed on our shipping & returns page. Orders ship from warehouses in IL, PA, GA, and CA, and support is staffed Monday–Friday, 9 AM–5 PM CST.
About This LaserJet M4345X Cartridge
The X is the configuration offices choose when a department machine has to do everything at volume. Its listing stays deliberately plain: the standard Q5945A black cartridge in our HP compatible range, one unit, one code.
That plainness is useful in a mixed fleet. Whether the machine by the door is a base model or this fully optioned X, the storeroom holds a single cartridge line — and this is that line's listing under the X's name.

