Why is my printhead not working?

Why is my printhead not working?

HP printheads clog periodically as small amounts of ink or dust dry up and collect in the nozzle. Faint, streaky or spotty prints are all common signs of a clog but a simple cleaning can usually get your HP ink cartridges working again. Printheads clog due to infrequent cartridge use.

Do HP printheads expire?

HP plotter printheads usually have an expiration date printed on the head. Typically this date is either one year, one-and-a-half years or two years from the manufactured date, depending on your plotter model. If the printhead is used past this date, HP does not guarantee the print quality.

How do I know if my printhead is damaged?

Place the print head in a saucer full of isopropyl alcohol and let it soak overnight. If the printout is still spotty, has lines or doesn’t print at all, then the head is bad.

How do I fix error OxC19a0003 on HP printer?

First, you can try a device reset, as follows:

1. Turn the printer on, if it is not already on.
2. Wait until the printer is idle and silent before you continue.
3. With the printer turned on, disconnect the power cord from the rear of the printer.
4. Unplug the power cord from the wall outlet.
5. Wait at least 60 seconds.

How do I replace a failed printhead?

Replace the printhead that has failed. If the error message continues to appear, highlight the ink system menu (icon of ink drops) and press Enter. Select replace printheads and press Enter.

How do I change the printhead on my HP printer?

If the error message continues to appear, highlight the ink system menu (icon of ink drops) and press Enter. Select replace printheads and press Enter. When the printhead carriage becomes accessible, unplug the power cable from the printer.

Why is the printhead on my printer not working?

The printhead is normal. The icon of an empty, flashing box indicates that the printhead is missing, and the correct one must be inserted. The flashing cross icon means that the printhead is faulty or is of the wrong model type; Try reseating the printhead to resolve the problem.

Where do I find the warranty on my HP Designjet 500/800?

The Warranty Ends date is printed on the printhead packaging and on the printhead itself in the locations shown in the picture. On a Windows XP, 7, 8, or 10 PC with a USB connection to the printer, download a zip file with your firmware. Open the zip file and run the HP DesignJet 500/800 Firmware Upgrade Tool A.05.01.