Lexmark C520 Series Service Manual page 91

Step Questions / actions
4 Check for the following continuity between
DC auto-connect and FUSER1. Is continuity
present?
DC auto-connect
pin 9
pin 10
5 Check for continuity between the following
pins of the AC auto-connect and the pins of
the connector that connects to the LVPS. Is
continuity present?
LVPS connector
pin 1
pin 2
pin 3
6 Reinstall fuser. Go to
page 4-13. Does error clear?
7 Replace fuser. Go to
page 4-13. Does error clear?
JFUSER1
pin 9
pin 10
AC auto-connect
pin 5
pin 4
pin 1
"Fuser removal" on
"Fuser removal" on
Yes
Go to step 5.
Go to step 6.
Problem solved.
Problem solved.
5022-xxx
No
Replace DC fuser cable.
Replace AC fuser cable.
Go to step 7.
Replace system card. Go to
"System card removal" on
page 4-47.
2-33
Diagnostic information