Lexmark C750 Service Manual - Page 178

5060-00x Poor color alignment Step 1 Action and questions Print cartridge - Make sure that the print cartridges are properly inserted and are seated properly in their respective V blocks. Are the cartridges seated correctly? 2 Front cover and cartridge contact block - Check the front cover and the cartridge contact block to make sure that all the springs and cartridge hold downs are present and correctly installed. Are all springs and cartridge hold downs present and correctly installed? 3 ITU - Make sure that the ITU legs are properly seated onto the rail at the right side of the printer. This is visible by removing the yellow print cartridge. Is the ITU seated correctly? Go to step 4 Reinstall the ITU. If the problem continues, replace the "ITU assembly" on page 4-46 Go to step 3 Replace any missing or damaged springs or hold downs Yes Go to step 2 No Install the cartridge(s) correctly 4 Alignment - Enter the Diagnostics Menu. Perform the alignment for the color required. See "ALIGNMENT" on page 3-15. Negative ghosting or faded image The print has a negative ghost on the page or the image is faded, particular with text. This problem may happen with any color and can be mistaken as toner smudges on the page. Step 1 Action and questions Check the bellcranks of the color that is having the problem. Is a bellcrank broken or missing? 2 Check each of the springs that attach to the bellcranks to make sure they are attached and not broken or missing. Are the springs for the color having the problem missing or unattached? Yes Replace the broken or missing bellcrank. Repair or replace the spring as necessary. No Got to step 2 Look for any signs of missing or damaged parts in the area of the color having the problem, including the ITU. 2-144 Service Manual