Lexmark C510 Service Manual - Page 139

5021-0XX 921,922,923,924,925-Fuser assembly service check Step Questions / actions Yes No 1 Check for proper input line Go to step 2. voltage. Is line voltage correct? Provide proper line voltage. 2 Remove and reinstall fuser Problem solved. Go to step 3. assembly. See "Fuser assembly removal" on page 4-9. Does error clear? 3 Check fuser connector for Problem solved. Go to step 4. damage. Replace if necessary. Does error clear? 4 Turn printer off and check Go to step 5. cable that connects engine controller board connector FUCN to fuser for proper connection, continuity, and pin shorts. Is cable okay? Properly connect cable or replace if damaged. If error clears, problem solved, otherwise go to step 5. 5 Replace fuser assembly. Problem solved. Replace LVPS. See "Fuser assembly See "Low removal" on page 4-9. voltage power Does error clear? supply (LVPS) with cage Note: Fuser is a customer removal" on ordered supply. page 4-60. If error does not clear, replace engine controller board. See "Engine controller board removal" on page 4-55. Diagnostic information 2-61