HP M3027 Service Manual - Page 264

Dropouts 1. Make sure that the environmental specifications for the device are being met. (See Operating environment on page 22.) 2. If the paper is rough, and the toner easily rubs off, open the Print Quality menu at the device control panel. Open the Fuser Modes submenu and then select the paper type that you are using. Change the setting to HIGH 1 or HIGH 2, which helps the toner fuse more completely onto the paper. See the user guide. 3. Try using a smoother paper. 4. The print cartridge might be defective. Replace the print cartridge. 5. Fuser rollers might be dirty. Run a cleaning page (several pages might be required if the fuser is very dirty). If the image defect persists, replace the fuser (see Fuser on page 139. 6. The transfer roller might be damaged, dirty, or worn. Try cleaning the transfer roller by using a dry, lint-free cloth. If the image defect persists, replace the transfer roller. 7. The power supply might be defective. Replace the power supply (see High-voltage power supply (HVPS) on page 149. Lines AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc 1. Print a few more pages to see if the problem corrects itself. 2. Clean the inside of the device and run a cleaning page to clean the fuser. (See Clean the device on page 40.) 3. Replace the print cartridge. 252 Chapter 6 Troubleshooting ENWW