Vertical lines

Gray background

A single sheet of paper may be defective. Try reprinting the job. The moisture content of the paper is uneven or the paper has moist spots on its surface. Try a different brand of paper. See "Paper Specifications" on page 200.

The paper lot is bad. The manufacturing process can cause some areas to reject toner. Try a different kind or brand of paper.

The toner cartridge may be defective. Vertical repetitive defects on the next page.

If these steps do not correct the problems, contact a service representative.

If black vertical streaks appear on the page, the drum inside the toner cartridge has probably been scratched. Install a new toner cartridge. See "Installing the Toner Cartridge" on page 23.

If the amount of background shading becomes unacceptable:

Change to lighter weight pages. See "Paper Specifications" on page 200.

Check the printer's environment; very dry (low humidity) or high humidity (higher than 80% RH) conditions can increase the amount of background shading.

Remove the old toner cartridge and install a new one. See "Installing the Toner Cartridge" on page 23.

Toner smear

Vertical repetitive defects

Background scatter

Clean the inside of the multi-function printer. See page 153. Check the paper type and quality. See "Paper Specifications" on page 200.

Remove the toner cartridge and install a new one. See "Installing the Toner Cartridge" on page 23.

If marks repeatedly appear on the printed side of the page at even intervals:

The toner cartridge may be damaged. If a repetitive mark occurs on the page, print a cleaning sheet several times to clean the cartridge; see "Cleaning the Drum" on page 159. After the printout, if you still have the same problems, install a new toner cartridge. See "Installing the Toner Cartridge" on page 23.

Parts of the multi-function printer may have toner on them. If the defects occur on the back of the page, the problem will likely correct itself after a few more pages.

The fusing assembly may be damaged. Contact a service representative.

Background scatter results from bits of toner distributed on the printed

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Dell 1600n manual Vertical lines Gray background, Toner smear Vertical repetitive defects Background scatter