HP DeskJet 4100 Series Troubleshooting

Quick steps

1. Update device firmware from a wired or stable link
2. Run nozzle check / configuration page to baseline
3. Check pickup/separation rollers and paper guides
4. Add printer by IP (IPP or RAW 9100) if discovery fails
5. Print a test page to confirm

Notes

Print a verification page after fixes. If firmware fails over Wi‑Fi, use USB and keep power stable.