HP LaserJet 5000 Service Manual - Page 287

Table 7-23. Light Print, Dark Print, or Fade (continued) Possible Cause Action Poor contact to the Engine Controller Board. 1. Clean the contacts if they are dirty. If the problem remains after cleaning, or if parts are damaged or deformed, replace them. 2. Replace the Engine Controller Board if necessary. Defective Laser Scanner. Replace the Laser Scanner. Defective High Replace the High Voltage Power Supply PCA. Voltage Power Supply. See also "Faded Print/Bubbles" on page 7-61. Table 7-24. Loose Toner Possible Cause Action Dirt in the printer. 1. Print a few more pages to see if the problem corrects itself. 2. Clean the inside of the printer (page 4-2) or use the printer's cleaning page (page 4-4). Toner Cartridge is defective. Replace the Toner Cartridge. Paper might be too Check the paper (or other print media) type and smooth. quality. Wrong Fuser setting From the Paper Handling Menu on the Control for paper type. Panel, change the Fuser Mode setting or choose another paper type from the printer driver. Defective Fuser. Replace the Fuser. 7-66 Troubleshooting EN