Troubleshooting

HP Printer Streaks and Lines — Print Quality Fix

2026-09-29•Printer Support Team

Streaks and lines on an HP printer usually mean dirty rollers, a low or failing cartridge, or a worn drum/fuser — not a bad WiFi driver. Match the pattern to the printer type before replacing parts.

Inkjet streaks (DeskJet, Envy, OfficeJet)

Run printhead cleaning from the printer panel or HP Smart, then print a nozzle check
If one color is missing or banded, reseat that cartridge. See cartridge not recognized if the printer rejects it
Wipe the carriage contacts with a lint-free cloth. Do not scrape the printhead nozzles
Blank or washed-out pages after cleaning: blank pages fix

LaserJet streaks

Vertical black line: often toner seal, drum scratch, or transfer roller dirt. Replace or reseat the cartridge; inspect the drum for gouges
Repeating marks every few inches: measure the gap — it often matches the drum or fuser circumference (hardware wear)
Light gray background: humidity, wrong paper type, or a near-empty cartridge

Clear trays and rollers if paper dust is heavy. Persistent jams that smear toner: jam clear.

Still streaking?

Describe the line pattern and model. Call (888) 423-7757 — available 24/7.

What should I do if my printer keeps jamming paper?

If your printer keeps jamming, first turn off and unplug the printer. Gently remove any stuck paper (pull in the direction of paper flow, never force it). Check for torn pieces of paper, clean the paper path with a lint-free cloth, ensure you're using the correct paper type and size, don't overload the paper tray, and make sure the paper guides are properly adjusted. If jams persist, there may be a mechanical issue requiring professional repair.