Curl or wave

1Turn over the stack of paper in the tray. Also, try rotating the paper 180°.

2Make sure that paper type and quality meet HP specifications (see “Paper specifications” on page 188).

3Make sure that the environmental specifications for the printer are being met (see “Printer specifications” on page 200).

4Try printing to a different output bin.

5If media is lightweight and smooth, try using a low fuser mode to reduce the heat in the fusing process. At the printer control panel, use CONFIGURE FUSER MODE MENU on the Paper Handling Menu to do this (see “Paper Handling Menu” on page 210).

Wrinkles or creases

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

2Make sure that the environmental specifications for the printer are being met (see “General specifications” on page 202).

3Turn over the stack of paper in the tray. Also, try rotating the paper 180°.

4Make sure that paper is loaded correctly, all adjustments have been made, and the paper is under the corner tabs (see “Loading tray 1” on page 46 and “Loading trays 2, 3, and 4” on page 47).

5Make sure that paper type and quality meet HP specifications (see “Paper specifications” on page 188).

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

Vertical white lines

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

2Make sure that paper type and quality meet HP specifications (see “Paper specifications” on page 188).

3Replace the toner cartridge.

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