Faded print, faded areas, or faded vertical streaks

The message TRANSFER KIT LOW ORDER KIT appears on the printer control panel. Print out a configuration page to verify the remaining life of the transfer belt. Replace the transfer belt if necessary.

The moisture content of your paper is uneven or too low. Use paper from a different source or from an unopened ream of paper.

Some areas of the paper reject toner. Use paper from a different source or from an unopened ream of paper.

Your paper is excessively rough. Use a smoother, xerographic paper.

The letterhead you are using is printed on rough paper. Use a smoother, xerographic paper. If this solves your problem, consult with the printer of your letterhead to verify that the paper used meets the specifications for this printer (see page 67).

Media does not meet the specifications for this printer (see page 67).

The printer is operating in excessively humid or dry conditions. Verify that the printing environment is within humidity specifications (see page 235).

If a TONER LOW or TONER OUT message is displayed on the printer control panel, replace the appropriate toner cartridge. If the problem persists, call for service.

Excess toner may have been deposited on the transfer belt. Use a lint-free cloth to clean any excess toner from the transfer belt surface.

The cap on the ITB lift mechanism might be missing.

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HP 4550DN, 4550N, 4550HDN manual Faded print, faded areas, or faded vertical streaks