Lexmark C520 Service Manual - Page 52

5022-xxx 147.xx, 149.xx-Motor (500-sheet/550-sheet option tray 2 motor) error service check Step Questions / actions Yes 1 Turn the printer off, and remove the rear cover. Check the connector JOPT1 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? 2 Replace the 500-sheet assembly or the 550-sheet assembly. Does the error clear? Replace the option cable. Problem solved. No Go to step 2. Replace the system card. See "System card removal" on page 4-79. 148.xx-MPF motor error service check Step Questions / actions Yes No 1 Turn the printer off, and remove the rear cover. Check the connector JTRAY2 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? 2 Measure the resistance across fuse F2 on the system card. Replace the paper pick mechanism. See "Paper pick mechanism assembly removal" on page 4-68. Replace the system card. See "System card removal" on page 4-79. Go to step 2. Go to step 3. Is the fuse blown? 3 Replace the paper pick mechanism. See Problem solved. "Paper pick mechanism assembly removal" on page 4-68. Does the error clear? Replace the system card. See "System card removal" on page 4-79. Diagnostic information 2-37