Lexmark C520 Service Manual - Page 44
Questions / actions, DC autoconnect, JFUSER1, LVPS connector, AC autoconnect
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Step Questions / actions 6 Check for the following continuity between the DC autoconnect and FUSER1. Yes Go to step 7. 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? 7 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 8. pin 5 AC autoconnect pin 1 pin 1 pin 3 LVPS connector LVPS connector Pin 1 Pin 2 Pin 3 AC autoconnect Pin 5 Pin 4 Pin 1 Is continuity present? 8 Replace the fuser. See "Fuser removal" on page 4-60. Does the error clear? Problem solved. 5022-xxx No Replace the DC fuser cable. Replace the AC fuser cable. Replace the system card. See "System card removal" on page 4-79. Diagnostic information 2-29