HP LaserJet 3052 Service Manual - Page 246
Vertical lines appear on the printed Cause, Solution, The printed has a gray background.
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Vertical lines appear on the printed page. Cause Solution The priority input tray is not in place. Adjust the priority input tray. The photosensitive drum inside the print cartridge is scratched. Replace the print cartridge. The fuser is damaged or has an obstruction. Replace the fuser. See Fuser on page 192. The printed page has a gray background. Cause The priority input tray is not in place. The print density setting is too high. The media basis-weight is too high. The humidity level is too low. The print cartridge needs to be replaced. Solution Adjust the priority input tray. Decrease the amount of background shading by using HP ToolboxFX. Change the media to a lower basis-weight. Very low humidity can increase the amount of background shading. Move the product to a different location, or decrease the background shading by using HP ToolboxFX. If this happens during copying, set the light/dark setting to a light value. Replace the print cartridge. 226 Chapter 6 Troubleshooting ENWW
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