HP LaserJet 5000 Service Manual - Page 272

Table 7-9. Black Lines (perpendicular path) Possible Cause Action Defective Toner Cartridge. Inspect the Toner Cartridge for a scratched photosensitive drum or toner leaking through worn seals. Replace as necessary. Fusing Assembly is contaminated or damaged. Inspect the Fusing Assembly for toner build-up or scratches on the fuser rollers. Try cleaning with alcohol. Replace the Fusing Assembly if damaged. Static Eliminator teeth are contaminated or defective. Clean using the blue cleaning tool or compressed air. Replace assembly if damaged. Table 7-10. Black Page Possible Cause Action Defective Toner Cartridge. Replace the Toner Cartridge. Light is leaking into Ensure all covers are in place. the printer. High voltage contact Inspect and clean the high voltage contacts. If springs are dirty or damaged, replace the High Voltage Power Supply defective. The high PCA. voltage contacts are mounted on the High Voltage Power Supply PCA and protrude into the toner cartridge cavity. EN Troubleshooting the Printing System 7-51