Lexmark CS310 Service Manual page 89

Actions
Step 5
Check the following values at JFUSES1:
Pin 1: +24 V dc (door closed)
Pin 2: +24 V dc (doors closed)
Pin 3: +24 V dc (doors closed)
Pin 4: +24 V dc (doors closed)
Pin 5: Between 0.6 and 3.28 V dc
Pin 6: Ground
Pin 8: Ground
Pin 10: Between ‑3 and +3.3 V dc
Pin 11: Ground (no wire)
Are the values correct?
Step 6
Replace the fuser. See "Fuser assembly removal" on page
Does the error clear?
Yes
Go to step 6.
The problem is solved. Replace the controller
267.
Diagnostic information
89
5027
No
Replace the controller
board. See "Controller
board removal" on
page 291.
board. See "Controller
board removal" on
page 291.