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HP 42A vs. HP 42X

When picking up the HP 42 printer cartridge, you will be able to pick between two variants. So, what are the main differences between the HP 42A and HP 42X?

You can find out in this comparison guide for the HP 42 Black Original LaserJet Toner Cartridges.

Quick Summary

When compared to the HP 42A Black Original LaserJet Toner Cartridge, the HP 42X High Yield Black Original LaserJet Toner Cartridge is capable of printing approximately twice as many pages before needing to be replaced.

So, while the HP 42X is more expensive, you won’t have to replace it as often as the HP 42A. Thus, you will get better value out of the X high yield X version of the cartridge.

The two HP 42 cartridges have the same recommended operating temperature range, recommended storage temperature range, same recommended operating humidity range as well as the same recommended storage humidity range.

You can purchase either of the two versions, if you are interested, on Amazon with the following links:

HP 42A vs. HP 42X Comparison Chart

You can take a look at Seeking Tech’s comparison table for the HP 42 Black Original LaserJet Toner Cartridges below.

 HP 42A Black Original LaserJet Toner Cartridge (Q5942A)HP 42X High Yield Black Original LaserJet Toner Cartridge (Q5942X)
What's in the BoxHP 42A Black Original LaserJet Toner Cartridge

Recycling Guide
HP 42X High Yield Black Original LaserJet Toner Cartridge

Recycling Guide
Package Dimensions15.39 in x 7.80 in x 12.99 in15.39 in x 7.80 in x 12.99 in
Package WeightAround 6.17 lbs.Around 7.05 lbs.
Compatible PrintersHP LaserJet 4240n Q7785A#ABA

HP LaserJet 4350dtn Q5409A#ABA
HP LaserJet 4240n Q7785A#ABA

HP LaserJet 4350dtn Q5409A#ABA
Print TechnologyLaserLaser
Page Yield for Black and White PagesAround 10,000 pagesAround 20,000 pages
Operating Temperature Range50°F to 90.5°F50°F to 90.5°F
Storage Temperature Range-4°F to 104°F-4°F to 104°F
Operating Humidity Range10% to 80% RH10% to 80% RH
Storage Humidity Range10% to 90% RH10% to 90% RH
Recycled Content in Cartridge13%13%
PricingCheck price on Amazon.Check price on Amazon.

What’s in the Box

Along with the actual toner cartridge, the retail boxes for both products also come with a recycling guide.

You can find a breakdown of the contents included in the packages below:

HP 42A:

  • HP 42A Black Original LaserJet Toner Cartridge
  • Recycling Guide

HP 42X:

  • HP 42X High Yield Black Original LaserJet Toner Cartridge
  • Recycling Guide

Package Dimensions

The retail packages for both versions are the same in terms of physical size.

You can find the measurements, which is displayed as Width x Depth x Height, below:

  • 15.39 in x 7.80 in x 12.99 in

Package Weight

The package for the HP 42X is a little bit heavier when compared to the HP 42A.

You can find the approximate weight for both retail boxes below:

  • HP 42A Black Original LaserJet Toner Cartridge: Around 6.17 lbs.
  • HP 42X High Yield Black Original LaserJet Toner Cartridge: Around 7.05 lbs.

Compatible Printers

The HP 42A Black Original LaserJet Toner Cartridge and HP 42X High Yield Black Original LaserJet Toner Cartridge are compatible with the following printers:

  • HP LaserJet 4240n Q7785A#ABA
  • HP LaserJet 4350dtn Q5409A#ABA

Print Technology

The A and X versions of the HP 42 use laser as the printing technology.

Page Yield for Black and White Pages

The capacity of the HP 42 is measured as page yield, or the number of pages a fully filled cartridge is capable of printing out before it needs to be replaced.

According to internal tests done by HP, the HP 42X High Yield Black Original LaserJet Toner Cartridge is able to print around 10,000 more pages than the HP 42A Black Original LaserJet Toner Cartridge.

In terms of percentages, the X version of the HP 42 has a 100% yield advantage than the A version.

The tests were done with the ISO/IEC 19752 methodology.

You can take a look at the page yield specifications for both variants of the toner cartridges below:

  • HP 42A Black Original LaserJet Toner Cartridge: Around 10,000 pages
  • HP 42X High Yield Black Original LaserJet Toner Cartridge: Around 20,000 pages

Operating Temperature Range

The A and X variants of the HP 42 cartridge are identical when it comes to the recommended temperature range during operation as both need to be within 50°F to 90.5°F.

Storage Temperature Range

The two toner cartridges in this versus showdown also have the same temperature range for non-operation as you can store them within -4°F to 104°F.

Operating Humidity Range

The HP 42A and HP 42X lack Original LaserJet Toner Cartridges have the same recommended humidity range of 10% to 80% RH.

Storage Humidity Range

For non-operation, you can store both versions of the HP42 within a humidity range of 10% to 90% RH.

Recycled Content in Cartridge

The HP 42A Black Original LaserJet Toner Cartridge and HP 42X High Yield Black Original LaserJet Toner Cartridge are both built with 13% of recycled content.