Lexmark C520 Service Manual - Page 41

5022-xxx User status and attendance messages (continued) Error code 87 Fuser missing Action • Install the fuser. Replace the fuser if the problem persists. • If the problem continues, turn the printer off and remove the rear cover. Check the JFUSER1 connector for proper connection to the system card, the cable for pinch points, and the cable or the connector for any other damage. If the connector is damaged on system card, replace the system card. See "System card removal" on page 4-79. If the fuser cable is damaged, replace the cable. • Check for the following continuity between the DC autoconnect and FUSER1. pin 6 pin 1 pin 10 pin 8 13579 Pin 2 4 6 8 10 configuration DC autoconnect JFUSER1 DC autoconnect Pin 3 Pin 4 Pin 6 Pin 7 Pin 8 Pin 9 Pin 10 JFUSER1 Pin 3 Pin 4 Pin 6 Pin 7 Pin 8 Pin 9 Pin 10 • If continuity is not present, replace the fuser cable. If the problem persists after replacing cable, replace the system card. See "System card removal" on page 4-79. 88 Cartridge low • Replace the specified toner cartridge. • Press until Continue appears, and then press to clear the message and continue printing. • If the message does not clear, replace the smart chip card. See "Smart chip card removal-models C52x only" on page 4-78. • If the problem persists, replace the system card. See "System card removal" on page 4-79. 88 Replace cartridge • Replace the specified toner cartridge. • Press until Continue appears, and then press to clear the message and continue printing. • If the message does not clear, replace the smart chip card. See "Smart chip card removal-models C52x only" on page 4-78. • If the problem persists, replace the system card. See "System card removal" on page 4-79. 2-26 Service Manual