Light Prints in All ColorsThe overall image density is too light in all colors. If the image is light in only one color, see"Light Print in Only One Color".Initial Actions to Perform Perform Initial Actions from Print Quality Troubleshooting Practices Verify the media used is supported by this printer. Verify the media settings are correct at the Control Panel. Print the PS Test and Demo pages to see if it is an application problem. Run the color calibration routineAreas of the Printer that Apply to Light Prints Imaging Unit LED Head Transfer Unit HVPS Engine Control BoardTroubleshooting Steps Resolution1. Verify all packaging material has been removed form the toner cartridges Yes – Go to Step 2No - Remove packing material2. Remove the Imaging Units and the Transfer Unit and check for tonercontamination on the high voltage contacts. Are the contacts contaminated?Yes – Clean the contactsNo - Go to Step 33. Are the LED Heads dirty? Clean the heads with a clean, lint-free cloth. Did thiscorrect the problem?Yes – CompleteNo - Go to Step 44. Are the wiring harnesses on the LED Heads undamaged, properly routed andseated?Yes – Repair / Replace HarnessesNo - Go to Step 55. Inspect the high-voltage wiring harness. Reseat the wiring Harness. Did thiscorrect the problem?Yes – CompleteNo - Replace in the followingorder: Transfer Unit / LVPS /Imaging Unit Sensor Board / HVPS/ Engine Control PCB
