HP LaserJet 5000 Service Manual - Page 282

Table 7-18. Dropouts (continued) Possible Cause Action Paper does not meet Try a different paper lot (see HP LaserJet Printer specifications. The Family Paper Specifications Guide). paper moisture content, conductivity, or surface finish may not work correctly with the electrophotographic process. DC Controller Replace the DC Controller. defective (low primary voltage). High Voltage Power Replace the High Voltage Power Supply PCA. Supply PCA defective. Transfer Roller defective. Replace the Transfer Roller. See also "Blank Spots" on page 7-55. Table 7-19. Faded Print/Bubbles Possible Cause Action No drum ground path. Check the contacts for functionality. If dirty, clean using alcohol; if damaged, replace the High Voltage Power Supply PCA. Toner supply is low. Shake the cartridge gently to redistribute the toner, or replace the cartridge. Print Density is set incorrectly. Change to a darker setting and retry printing. EN Troubleshooting the Printing System 7-61