5.Make sure that the type and quality of the media you are using meet HP specifications. (See Paper specifications.)

6.If envelopes are creasing, try storing envelopes so that they lie flat.

If the above actions do not improve wrinkles or creases, change your fuser mode from NORMAL to LOW1.

1.On the control panel, press Menu.

2.Use to highlight CONFIGURE DEVICE, and then press .

3.Use to highlight PRINT QUALITY, and then press .

4.Use to highlight FUSER MODES, and then press .

5.Use to highlight LOW1, and then press .

Vertical white lines

1.Print a few more pages to see if the problem corrects itself.

2.Make sure that the type and quality of the media you are using meet HP specifications. (See Paper specifications.)

3.Replace the print cartridge.

Tire tracks

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This defect typically occurs when the print cartridge has far exceeded its rated life. For example, if you are printing a very large quantity of pages with very little toner coverage.

1.Replace the print cartridge.

2.Reduce the number of pages that you print with very low toner coverage.

ENWW

Troubleshooting print-quality problems 161