Lexmark C782 Service Manual - Page 143

5061 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 Actions 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. Residual image • If only one color has a residual image repeated every 95 mm, replace the print cartridge. • If all colors have a residual image 147 mm from the top of the page, replace the fuser assembly. Note: Do the following steps before you replace the fuser assembly: 1. Check Media Type setting on the operator panel. If the setting is for light paper, select the correct setting for the current media type. 2. If the problem continues, set the fuser temperature selection to High. 3. If the problem continues, check the page count. If the page count is greater than 200K copies and the fuser has not been replaced, advise the customer to install a new fuser CRU or a maintenance kit. • If only one color has a residual image problem, go to "Horizontal lines or streaks" on page 2-98. • If all colors have a residual image problem, go to "Residual image" on page 2-101. Uneven printing • If all colors have uneven print, replace the ITU assembly. • The uneven print may appear as spots or streaks that are different on each page. The most likely cause for this type of problem is damage to the ITU belt in the ITU assembly. Replace the "ITU assembly removal" on page 4-49. • If only one color is missing or printing uneven, go to step 1. Step 1 2 Actions and questions Print cartridge-Make sure the cartridge is seated properly and that all packing material has been removed from the cartridge. Has all packing material been removed? Is the cartridge seated correctly? Cartridge check-the cartridge may be out of toner or have another toner problem. Try a new toner cartridge. Does a new toner cartridge fix the problem? Yes Problem resolved Problem resolved No Go to step 2 Contact your next level of support. Diagnostic information 2-101