HP LaserJet Enterprise 600 Service Manual - Page 405

Table 3-36 Image defect examples (continued) Problem Image example Solution Specks Dropouts Lines AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Specks might appear on a page after a jam has been cleared. 1. Print a few more pages to see if the problem corrects itself. 2. Clean the inside of the product and run a cleaning page to clean the fuser. 3. Try using a different type of paper. 4. Clean the cassette pickup roller. If the roller is dirty and can not be cleaned, replace the roller. 5. Check the print cartridge for leaks. If the print cartridge is leaking, replace it. 6. Clean the product paper path several times. 1. Make sure that the environmental specifications for the product are being met. 2. Open the following menus: ◦ Administration ◦ General Settings ◦ Print Quality ◦ Adjust Paper Types ● Scroll to the desired paper type, and then press the OK button. ◦ Print Mode ● Scroll to the print mode, and then press the OK button. 3. Try using a smoother paper that you know will work in the product. 4. Try using the Print/Stop Test in the Troubleshooting menu to determine if a image-formation component is malfunctioning. Replace the failed component. 5. If the error persists, replace the transfer roller. 6. The fuser pressure roller might not be within nip width specifications. If the error persists, replace fuser. 1. Print a few more pages to see if the problem corrects itself. 2. Clean the inside of the product and run a cleaning page to clean the fuser. 3. Replace the print cartridge. 4. Replace the print cartridge. ENWW Solve image-quality problems 381