HP 8000dn Service Manual - Page 420

Image Quality Tables Table 7-8. Blank (White) Page Possible Cause Recommended Action OCCASIONAL BLANK PAGES: 1. Software Configuration. Make sure that the application software is not sending incorrect page length requests, or extra page eject commands. 2. Network Configuration. Some sharing devices on networks may generate a blank page as a separator. Check with the network administrator. 3. Multiple Feeds. The printer may be feeding two or more pages at once because the paper is difficult to separate. Remove the paper from the tray and fan the paper edges to separate the pages (see the HP LaserJet Printer Family Paper Specifications Guide). ALL PAGES BLANK: 1. Sealing tape left in toner cartridge. Remove the sealing tape. Table 7-9. Black Pages Possible Cause Recommended Action 1. Defective toner cartridge. Replace the toner cartridge. 2. Light is leaking into the printer. Make sure that all covers are in place. 3. High voltage contact springs are dirty or Inspect and clean the high voltage defective. The high voltage contacts are contacts. If damaged, replace the High mounted on the High Voltage Power Voltage Power Supply PCA. See "Power Supply PCA and protrude into the toner Supply, High Voltage (HVPS)" on cartridge cavity. page 205 for instructions. 396 Chapter 7 Troubleshooting EN