HP LaserJet 5000 Service Manual - Page 275

Table 7-11. Blank Page (continued) Possible Cause Action Empty or defective Toner Cartridge. 1. If unsure, weigh the cartridge: • Full weight = 1880 grams (66.3 oz) • Empty weight = 1450 grams (51.5 oz) Note: Some toner may reside in the waste toner cavity, affecting the weight of the cartridge. 2. Perform the Half Self-Test Functional Check (page 7-74) or try a known good toner cartridge. Replace the Toner Cartridge if necessary. Laser/Scanner door not opening properly. 1. Remove and reseat the Toner Cartridge. 2. Check the Laser/Scanner shutter door for proper operation. If defective, replace the Laser/Scanner Assembly. Toner Cartridge Guide Make sure the Guide is installed properly above the damaged, improperly Toner Cartridge. positioned, or missing. No Transfer Roller voltage. Without Transfer Roller voltage, toner cannot be attracted from the surface of the drum to the paper. Perform the Half Self-Test Functional Check (page 7-74) to check all other electrophotographic processes. Replace the Transfer Roller if necessary. High voltage Check the springs for functionality. Clean if dirty, connector springs are replace if defective or missing. dirty or defective. The high voltage connectors are mounted on the High Voltage Power Supply PCA and protrude into the Toner Cartridge cavity. High Voltage Power Replace High Voltage Power Supply PCA. Supply is defective. 7-54 Troubleshooting EN