Table 7-29. Black Lines (parallel or perpendicular to path) Possible Cause Recommended Action 3. Fusing Assembly is contaminated or damaged. Inspect the Fusing Assembly for toner build-up or scratches on the fuser rollers. Replace the Fusing Assembly if damaged. See “Fusing Assembly” on page 198 for instructions. 4. Static Eliminator Strip teeth are contaminated or defective. Clean using compressed air. Be careful not to spray the Transfer Roller. 5. Repetitive defect. If the lines are repeated at a consistent interval down the page, this is a repetitive defect. See the Repetitive Image Defect Ruler (figure 7-14 on page 484). Table 7-30. Toner Smear Possible Cause Recommended Action 1.
Paper does not meet specifications. The moisture content, conductivity, or surface finish of the media being printed may not work correctly with the electrophotographic process. Try a different paper lot or other media (see HP LaserJet Printer Family Paper Specifications Guide). 2. Fusing Rollers are dirty. Toner build-up can cause the print on a page to smear. Remove and inspect the Fusing Assembly for excessive toner build- up. 3. The Static Eliminator Strip is dirty or is not grounded, allowing a static charge to remain on the page. Clean the Anti-Static Brush using compressed air. C4085-91087 Image Quality 475