
Photos show the compatible cartridge. Images marked OEM show the genuine HP product for reference.
Compatible HP 38A Black Toner Cartridge (12,000 pages)
Replaces HP 38A (Q1338A, Q5942A) · SKU TS-HP38A
12,000 pages, about 0.4¢ per page
Buying for the office? The price drops with quantity.
- 2 or more$47.49 eachsave 5%
- 4 or more$44.99 eachsave 10%
- 10 or more$42.49 eachsave 15%
Applied automatically in the cart. Mix and match does not apply; the break is per cartridge.
- Free shipping on every order
- Lifetime satisfaction guarantee
- 90-day returns, including opened cartridges that are defective
- Printer damage protection on every cartridge we sell
This compatible 38A prints about 12,000 pages at roughly 0.4¢ a page and replaces the genuine HP 38A. It fits the HP LaserJet 4200dtn, HP LaserJet 4200n and HP LaserJet 4200tn and 10 other HP models.
Will this fit my printer?
Fits 13 printer models. Pick yours to see everything else it takes.
- HP LaserJet 4200dtnUses 38A, 42X
- HP LaserJet 4200nUses 38A, 42X
- HP LaserJet 4200tnUses 38A, 42X
- HP LaserJet 4240nUses 38A
- HP LaserJet 4250Uses 42X, 38A
- HP LaserJet 4250dtnUses 42X, 38A
- HP LaserJet 4250nUses 38A, 42X
- HP LaserJet 4250tnUses 38A, 42X
- HP LaserJet 4250tnslUses 38A
- HP LaserJet 4350dtnUses 38A
- HP LaserJet 4350dtnslUses 38A
- HP LaserJet 4350nUses 38A
- HP LaserJet 4350tnUses 38A
Find your cartridge
or pick your printer
Specifications
| Replaces OEM number | HP 38A |
|---|---|
| Also written as | 42A, Q1338A, Q5942A |
| Color | Black |
| Rated yield | 12,000 pages (Approx. yield per ISO/IEC 19752 / 19798 at 5% coverage (letter/A4)) |
| Yield class | Standard yield |
| Cost per page | 0.4¢ at our price |
| Chip | Not published by HP |
| Build | Confirmed with the supplier before launch |
| Facts checked | 2026-09-22 by Dan Whitaker, Print Technician |
Specs from acmtech.com.
Genuine 38A vs ours
| Genuine HP 38A | TonerInkWorld 38A | |
|---|---|---|
| Price | $139.50 | $49.99 |
| Rated yield | 12,000 pages | 12,000 pages |
| Cost per page | 1.2¢ | 0.4¢ |
| Printer warranty | Unaffected | Unaffected under the Magnuson-Moss Warranty Act |
| Returns | Varies by seller | 90 days, opened defective cartridges included |
Genuine price from SupplyLink USA genuine listing, checked Sep 22, 2026. Source. Prices move, so we re-check monthly.
How to install it
- Open the cartridge door on the front of the printer.
- Pull the old cartridge straight out.
- Take the new cartridge out of its bag and rock it gently five or six times end to end.
- Pull the sealing tab straight out to remove the tape.
- Line the cartridge up with the guides inside the printer and push it in until it seats.
- Close the door and print a test page.
If something goes wrong
The printer does not recognize the cartridge
Power the printer down, reseat the cartridge, and make sure the contacts and chip are clean. If the message stays, check whether a firmware update changed how the printer reads third-party chips.
Full guidePages come out blank or very light
Nine times out of ten the sealing tape is still in place or the cartridge needs rocking to spread the toner. Pull the cartridge, check the tape, rock it gently, and reinstall.
Full guideStreaks or a repeating mark down the page
Streaks usually come from the drum, not the toner. Clean the corona wire if your printer has one, and check the drum count before replacing the cartridge again.
Full guideQuestions about the 38A
How many pages does a 38A print?
About 12,000 pages. The rating follows Approx. yield per ISO/IEC 19752 / 19798 at 5% coverage (letter/A4). That is a rated average, so heavy graphics use toner faster than plain text.
38A or 38X: which one fits my printer?
Both fit the same printers. The 38A is the standard-yield cartridge and the 38X is the high-yield one, so the difference is how often you swap it, not whether it works.
Does a compatible cartridge void my printer warranty?
No. Under the Magnuson-Moss Warranty Act a manufacturer cannot void your warranty just because you used a third-party cartridge. If a cartridge of ours damages your printer, our printer damage protection covers the repair.
What if it does not work in my printer?
Send it back. Returns are open for 90 days and that includes opened cartridges that are defective. Shipping is free both ways.
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