Lexmark C782 Service Manual - Page 137

5061 Missing colors-Complete or partially missing color planes • If a color or colors are missing, or a color is partially missing, go to "If cyan, magenta, and yellow is missing, go to "Black and white only-cyan, magenta, and yellow are missing" on page 2-96." on page 2-95. • If cyan, magenta, and yellow is missing, go to "Black and white only-cyan, magenta, and yellow are missing" on page 2-96. Step Actions and questions 1 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? 2 Inspect each of the transfer roll bellcranks. Were any of the bellcranks broken? 3 Perform the partial print test. See "Partial Print Test" on page 3-4. Is the image well-developed on the PC drum but the same plane is missing or faded on the ITU belt? 4 Turn off the printer. Check the cable connections between the transfer HVPS board and the system board. Does the issue persist? 5 Check continuity on the cable between the respective rear bellcrank and the lead on the transfer HVPS board. Is there continuity? 6 Change or switch failing cartridge. Does the issue persist? Yes Go to step 2 Replace the broken bell cranks. Go to step 4 Go to step 5 Replace in the following order: 1. Transfer HPVS board. See "Transfer HVPS board removal" on page 4-91. 2. Cartridge contact assembly. See "Cartridge contact assembly removal" on page 4-35. 3. System board. See "System board removal" on page 4-89. Go to step 7 No Remove packaging and seat cartridge. Go to step 3 Go to step 6 Problem resolved Replace the FRUs in the following order: 1. Cable 2. FTR spring. Replace the cartridge. Diagnostic information 2-95