HP LaserJet Pro MFP M125nw

The printed page contains misformed characters.

Cause	Solution
The paper might not meet HP specifications.	Use a different paper, such as high-quality paper that is intended for laser printers.
If characters are incorrectly formed so that they produce a wavy effect, the laser/scanner might need service.	Replace the laser/scanner.

The printed page is curled or wavy.

Cause	Solution
The product is not set to print on the type of paper on which you want to print.	In the print driver, select the Paper/Quality tab and set Paper Type to match the type of paper on which you are printing. Print speed might be slower if you are using heavy paper. If the problem persists, select a paper type that uses a lower fuser temperature, such as transparencies or light paper.
The paper might have been in the input tray too long.	Turn over the stack of paper in the tray. Also, try rotating the paper 180° in the input tray.
The paper might not meet HP specifications.	Use a different paper, such as high-quality paper that is intended for laser printers.
Both high temperature and humidity can cause paper curl.	Check the product environment.
The fuser temperature might be curling the paper.	Select a paper type that uses a lower fuser temperature, such as transparencies or light paper. At the product control panel, turn on the Less paper curl setting in the Service menu.

Text or graphics are skewed on the printed page.

Cause	Solution
The paper might be loaded incorrectly or the input tray might be too full.	Verify that the paper is loaded correctly and that the paper guides are not too tight or too loose against the stack.
The paper might not meet HP specifications.	Use a different paper, such as high-quality paper that is intended for laser printers.

The printed page contains wrinkles or creases

Cause	Solution
The paper might be loaded incorrectly or the input tray might be too full.	Turn over the stack of paper in the input tray, or try rotating the paper 180° in the input tray. Verify that the paper is loaded correctly and that the paper guides are not too tight or too loose against the stack.
There might be a jam in the paper path.	Clear any jams in the product.
The paper might not meet HP specifications.	Use a different paper, such as high-quality paper that is intended for laser printers.
Air pockets inside envelopes can cause them to wrinkle.	Remove the envelope, flatten it, and try printing again.