Lexmark C510 Service Manual - Page 136
-HVPS connection service check, Replace HVPS.
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5021-0XX 918-HVPS connection service check Step Questions / actions Yes No 1 Turn printer off and remove Go to step 2. engine controller board shield. See "Engine controller board removal" on page 4-55 for steps to remove shield. Is cable properly connected to engine controller board HVCN connector? Properly connect cable. Retest printer. If error clears, problem solved, otherwise go to step 2. 2 Turn printer off and remove Replace HVPS. Replace cable. items to expose HVPS. See "High Retest printer. If See "High voltage power voltage power error clears, supply (HVPS) removal" supply (HVPS) problem solved, on page 4-59 for steps. removal" on otherwise turn Check for continuity and page 4-59. printer off and pin shorts of cable that Retest printer. If replace engine connects engine controller error clears, controller board. board HVCN and HVPS problem solved, See "Engine CN1. Is cable okay? otherwise turn controller printer off and board removal" replace engine on page 4-55. controller board. See "Engine controller board removal" on page 4-55. 2-58 Service Manual