Lexmark C520 Service Manual - Page 45

5022-xxx 120.03-Fuser error service check Step Questions / actions Yes 1 Check the input voltage switch on the back of the low voltage power supply (LVPS). Is the voltage level (115/230) properly set? Go to step 2. 2 Turn the printer off, and remove the rear cover. Check the connector JFUSER1 for proper connection to the system card, the cable for pinch points, and the cable or connector for any other damage. Is the cable damaged? Replace the fuser cable. 3 Check the connector JLVPS1 for proper connection to the system card, the cable for pinch points, and the cable or connector for any other damage. Is the cable damaged? Replace the LVPS. See "Low voltage power supply (LVPS) removal" on page 4-65. 4 Replace the fuser. See "Fuser removal" on page 4-60. Does the error clear? Problem solved. No Set the switch for proper the country voltage. Go to step 3. Go to step 4. Replace the system card. See "System card removal" on page 4-79. 120.04-120.07-Fuser error service check Step Questions / actions Yes 1 Check the input voltage switch on the back of the low voltage power supply (LVPS). Is the voltage level (115/230) properly set? 2 Turn the printer off, and remove the rear cover. Check the connector JFUSER1 for proper connection to the system card, the cable for pinch points, and the cable or connector for any other damage. Is the cable damaged? 3 Remove the fuser. See "Fuser removal" on page 4-60. Check the AC and DC autoconnects on both the fuser and the printer for damage. Are the connectors damaged? Go to step 2. Replace the fuser cable. Go to step 4. No Set the switch for the proper country voltage. Go to step 3. Replace the appropriate cable. 2-30 Service Manual