HP LaserJet MFP M433 User Guide - Page 144

Condition Background scatter Example A Toner particles are around bold characters or pictures Misformed characters Suggested solutions Background scatter results from bits of toner randomly distributed on the printed page. ● The paper may be too damp. Try printing with a different batch of paper. Do not open packages of paper until necessary so that the paper does not absorb too much moisture. ● If background scatter covers the entire surface area of a printed page, adjust the print resolution through your software application or in Printing Preferences. Ensure the correct paper type is selected. For example: If Thicker Paper is selected, but Plain Paper actually used, an overcharging can occur causing this copy quality problem. ● If you are using a new toner cartridge, redistribute the toner first. The toner might not adhere properly to this type of paper. ● Change the printer option and try again. Go to Printing Preferences, click the Paper tab, and set the paper type to Recycled. ● Ensure the correct paper type is selected. For example: If Thicker Paper is selected, but Plain Paper actually used, an overcharging can occur causing this copy quality problem. ● If characters are improperly formed and producing hollow images, the paper stock may be too slick. Try different paper. Page skew Curl or wave AAAAAaaaaaBBBBBbbbbbCCCCCc ● Ensure that the paper is loaded properly. ● Check the paper type and quality. ● Ensure that the guides are not too tight or too loose against the paper stack. ● Ensure that the paper is loaded properly. ● Check the paper type and quality. Both high temperature and humidity can cause paper curl. ● Turn the stack of paper over in the tray. Also try rotating the paper 180° in the tray. 136 Chapter 11 Troubleshooting ENWW