Lexmark C540 Service Manual page 67

Step Questions / actions
5 Check the following values at JFUSES1:
Pin
5
6
8
10
11
Are the values approximately correct?
6
Replace the fuser. See
removal" on page
Does the error clear?
JFUSES1
Value
+3.3 V dc
Ground
Ground
+2.7 V dc
Ground
"Fuser assembly
4-26.
Yes
Go to step 6.
Problem resolved.
5025-2xx, 4xx
No
Replace the controller
board. See "Controller
board removal" on
page 4-19.
Replace the controller
board. See "Controller
board removal" on
page 4-19.
2-33
Diagnostic information