Table 7-30. Toner Smear (continued) Possible Cause Recommended Action 4. Fusing Assembly is defective. The print will smear if the Fusing Assembly is not heated sufficiently to bond the toner image to the paper. Replace the Fusing Assembly. See “Fusing Assembly” on page 198 for instructions. Try changing fuser modes depending on the type of media used. 5. DC Controller is defective. The DC Controller regulates fusing roller temperature. If a new Fusing Assembly does not resolve the problem, replace the DC Controller PCA. See “PCA, DC Controller” on page 207 for instructions. Table 7-31. Background Scatter Possible Cause Recommended Action Random Background Scatter 1.
Paper does not meet specifications. The moisture content, conductivity or surface finish may not work correctly with the electrophotographic process. Try a different media or paper lot (see HP LaserJet Printer Family Paper Specifications Guide). 2. Inside of printer is dirty (toner may have leaked out of the toner cartridge). Clean inside of printer (see “Cleaning the Printer and Accessories” on page 82). Install a new toner cartridge if leaking. 3. Printing on envelope seams. Printing on an envelope seam can cause a background scatter problem. Move the text to an area without seams. If not printing on seams, try a higher print density setting (see item 6, below). 4.
Toner cartridge is defective. Install a new toner cartridge. 476 Chapter 7 Troubleshooting C4085-91087