Fix HP Deskjet 3420 Won’t Print
The HP Deskjet 3420 Troubleshooting issue might be due to ink cartridge problem, outdated firmware, or hardware malfunction.
- Ensure that you load enough papers into the paper tray.
- Do not load inappropriate papers or overload the tray.
- Avoid using non-HP ink cartridges and use only genuine cartridges.
- Make sure to get the latest version of the driver for the printer.
- Check whether the printer firmware is up to date.
- Replace the ink cartridges and clean the printheads regularly.
- Ensure that the print settings are apt for your current print job.
- Service the printer in an authorized service center.