HP Ink System Failure — Codes 0xc19a0003 / 0xc19a0013 / 0xc19a0043 and What Actually Clears Them
By Ryan Green · Updated August 2026 · Independent guide · PrinterCare USA LLC (not affiliated with any printer manufacturer)
Which code do you have?
- 0xc19a0003 — general ink system failure; most often printhead, sometimes a cartridge chip.
- 0xc19a0013 / 0xc19a0020 — printhead not responding after a servicing cycle. Frequently clears with a hard reset.
- 0xc19a0043 — ink system failure during initialization, common on OfficeJet 6900/6970/6978 after sitting unused.
- 0xc18a0206 / 0xc18a0306 — appear on ENVY 5000/7000 and Photosmart; treated the same way.
Reset 1 — power reset with the cartridges in
- Leave the printer on. Pull the power cord out of the back of the printer (not the wall).
- Wait a full 60 seconds. This lets the logic board and the printhead controller discharge.
- Plug the cord back into the printer, then turn it on. Wait through the whole startup, which can take two minutes and may run a servicing cycle.
Reset 2 — semi-full reset (OfficeJet Pro and ENVY models with a touch screen)
This resets the printer's error state without wiping network settings on most models.
- On the Home screen, tap the Back arrow four times quickly to open the Support menu (on some models: tap the top-left corner, then the top-right corner, then top-left again).
- Choose Resets Menu → Semi-Full Reset. The printer restarts.
- Run Tools → Printer Maintenance → Clean Printhead once, then print a Print Quality report.
Reseat the printhead (OfficeJet Pro 8000/9000 series only)
These printers use a removable printhead under the cartridges. Ink system failures often come from a printhead that isn't fully latched, or from dried ink on its electrical contacts.
- With the printer on, open the cartridge access door and wait for the carriage to move to the centre.
- Remove all cartridges. Lift the grey printhead latch, then lift the printhead out.
- Wipe the gold contacts on the back of the printhead and inside the carriage with a lint-free cloth barely dampened with distilled water. Let them dry completely.
- Reinsert the printhead, press down firmly, close the latch until it clicks. Reinstall the cartridges, close the door.
If the printer then shows "Printhead missing or failed", see the printhead guide — that's the next stage of the same fault.
Rule out the cartridges
If the error appeared right after a cartridge change: remove that cartridge, close the door, and see whether the error changes to "missing cartridge" (normal — the ink system itself is fine) or stays as Ink System Failure (the printhead). Refilled and non-HP cartridges with damaged chips can also trigger 0xc19a0003; putting a genuine HP cartridge in that slot is a fair test.
When it's the printhead
Signs: the error returns within a print or two after every reset; the print quality report shows whole colour bands missing; the printer has been unused for weeks so ink has dried in the nozzles. On OfficeJet Pro 8000/9000, HP sells the printhead as a part and replacement takes five minutes. On ENVY, Photosmart and OfficeJet 6000 series the printhead is built into the carriage and is not sold separately; if two resets and a cleaning cycle don't clear it, the practical options are a warranty claim (HP inkjets carry a one-year limited warranty) or replacing the printer.
Still stuck? A technician can fix it remotely today.
Independent remote support — you watch every step, and you pay the flat $49 only after your printer is working. $0 if we can't fix it.
Frequently asked questions
Is Ink System Failure the same as a dead printhead?
Not always. On OfficeJet Pro 8600/8610/8620 and 6970/6978 the code is usually the printhead, but on ENVY and Photosmart models a hard reset clears it about as often as not. Try the resets first; they cost nothing.
Will new cartridges fix it?
Only if the code appeared right after installing a cartridge, which points to a bad chip or seating. Otherwise cartridges aren't the fault and you'll spend money for nothing.
My printer is out of warranty — is a replacement printhead worth it?
On OfficeJet Pro 8000/9000 series the printhead is a user-replaceable part; on ENVY/Photosmart it isn't, and the printhead is integrated. For integrated models a new printer usually costs about what the repair would.
The error clears and comes back a week later.
That pattern is a printhead on its way out. Keep the printer on (so it does automatic servicing), print a few pages every couple of days, and plan for a printhead or printer replacement.