Lexmark C520 Service Manual - Page 46

Step Questions / actions 4 Check for the following continuity between DC autoconnect and JFUSER1. Yes Go to step 5. pin 6 pin 1 pin 10 pin 8 13579 Pin 2 4 6 8 10 configuration DC autoconnect JFUSER1 DC autoconnect Pin 9 Pin 10 JFUSER1 Pin 9 Pin 10 Is continuity present? 5 Check for continuity between the following pins of the AC autoconnect and the pins of the connector that connects to the LVPS. Go to step 6. pin 5 AC autoconnect LVPS connector Pin 1 Pin 2 Pin 3 pin 1 pin 1 pin 3 LVPS connector AC autoconnect Pin 5 Pin 4 Pin 1 Is continuity present? 6 Reinstall the fuser. See "Fuser removal" on page 4-60. Does the error clear? 7 Replace the fuser. See "Fuser removal" on page 4-60. Does the error clear? Problem solved. Problem solved. 5022-xxx No Replace the DC fuser cable. Replace the AC fuser cable. Go to step 7. Replace the system card. See "System card removal" on page 4-79. Diagnostic information 2-31