HP 8000dn Service Manual - Page 430

Table 7-21. White Stripes Parallel to Path (continued) Possible Cause Recommended Action 3. Foreign objects in beam path. Any foreign objects will block the light from developing an image on the Photosensitive drum. Remove the toner cartridge, and check for damage. Replace the toner cartridge if it is damaged. Remove the printer cover, and inspect the path from the Laser/Scanner to the toner cartridge drum, looking for foreign objects in the beam path. Table 7-22. Partial Blank Page Possible Cause Recommended Action 1. Page is too complex. The printer cannot Set Page Protect to on or auto. create the image fast enough to keep pace with the print engine. 2. Not enough memory. The page is too complex for standard printer memory. Add printer memory. See "Memory and Personality Upgrade" on page 147 for instructions. As an alternative, simplify the print job. 3. Printing on legal-size paper from Tray 4 Review software selection. Make sure that when software is specifying letter size printing is on selected size. (this will also cause paper jams). Table 7-23. Compressed Print Possible Cause Recommended Action 1. Toner cartridge bushings are too tight. Replace the toner cartridge. This may occur on refilled toner cartridges. 2. Gear is broken or worn. Inspect and replace the worn gear or assembly. 406 Chapter 7 Troubleshooting EN