Service Checks; 90X.xx Error; 925.01-Fan Error Service Check - Lexmark C540n Service Manual

5025-2xx, 4xx

Service checks

90x.xx error

Step Questions / actions
1 Turn the printer off, and remove the rear
shield. See "Top cover assembly removal"
on page 4-13. Check the cable connections.
Are all the cable connections secure?
925.01—Fan error service check
Step Questions / actions
1 Turn the printer off, and remove the rear
shield. See "Top cover assembly removal"
on page 4-13. Check the fan cable at JFAN1
for the following values:
Pin
Are the measured values correct?
2-22
Service Manual
JFAN1
Value
1 +3.3 V dc
2 Ground
3 0 (fan off)
Yes
Replace the controller
board. See "Controller
board removal" on
page 4-20.
Yes
Replace the top cover
(which includes the fan).
See "Top cover assembly
removal" on page 4-13.
No
Securely make all the
connections. POR the
printer.
No
Replace the controller
board. See "Controller
board removal" on
page 4-20.