Xerox 6250N Service Manual - Page 191

Print-Quality Troubleshooting Light Prints Initial Actions: ■ Verify the printer is not in Draft mode. ■ Verify the media used is supported by this printer. "Media and Tray Specifications" on page 1-14. lists correct media types, sizes, and weights for each tray. ■ Verify the media settings are correct at the front panel. ■ Run the color calibration routine prior to using this troubleshooting procedure. Troubleshooting Procedure S6200-283 Step 1 2 3 4 5 6 7 8 Check Yes Check the Imaging Unit, Fuser Assembly and Transfer Roller for correct installation, damage or contamination, and life remaining. Replace or reinstall the affected component. Does the image quality improve if the Complete. Imaging Unit is replaced? Does the image quality improve if the Complete Transfer Roller is replaced? Check the Front 1A Harness for continuity. P/J5030 Transfer roller. P/J5020 Transfer roller Go to Step 5. Does the image quality improve if the Complete Laser Unit is replaced? Does the image quality improve if the Complete SUB-HVPS is replaced? Check the FRONT 1A Harness for continuity. Go to Step 8. Does the image quality improve if the Complete Fuser is replaced, PL 8.1.1 No Go to Step 2. Go to Step 3. Go to Step 4. Replace the defective harness. Go to Step 6. Go to Step 7. Replace the Front 1A , Harness Assembly PL 13.1.7. Replace the Engine Control Board, page 8-107. 5-10 Phaser 6250 Color Laser Printer Service Manual