HP M5025 Service Manual - Page 509

Light print (entire page) 1. The print cartridge is not installed correctly. Remove the print cartridge and then reinstall it. The cartridge door should close completely when the cartridge is fully seated. 2. EconoMode is on. EconoMode saves toner by reducing the dot density. The effect might appear to be a print-quality problem. Turn EconoMode off. 3. Open the Administration menu at the device control panel. Open the Print Quality menu and increase the Toner Density setting. See Print Quality menu on page 64. 4. The media does not meet specifications. The moisture content, conductivity, or surface finish might not work correctly with the electrophotographic process. Try using a different type of media. 5. The print cartridge might be almost empty. Replace the print cartridge. 6. The transfer roller is defective or is not installed correctly. If the transfer roller loses conductivity, it cannot pull toner from the drum effectively. Verify that the transfer roller is installed correctly. If the transfer roller is damaged, replace it. 7. The high-voltage connector contacts are dirty or damaged. The high-voltage connector contacts protrude into the print cartridge cavity. Clean the springs if they are dirty. Replace the springs if they are damaged or missing. To expose the contacts, release the protective cover (see Interlocks and linkages on page 555. 8. The laser/scanner shutter door is not opening correctly. Remove and reseat the print cartridge. Verify that the laser/scanner shutter door can open correctly. If necessary, replace the laser/scanner assembly. See Laser/scanner on page 340. 9. The high-voltage power supply is defective. Replace the high-voltage power supply is defective. See High-voltage power supply on page 347. ENWW Solving image-quality problems 479