Service Checks; 90X.xx Error; 925.01-Fan Error Service Check - Lexmark X543 Service Manual

Service checks

90x.xx error

Step Questions / actions
1 Turn the printer off, and remove the rear shield.
See "Rear shield removal" on page
Check the cable connections.
Are all the cable connections secure?
925.01—Fan error service check
Step Questions / actions
1 Turn off the printer, and remove the rear shield.
See "Rear shield removal" on page
Unplug the fan cable at JFAN1 and turn the
printer on. Check the following connectors:
Pin
Are the measured values correct?
4-7.
4-7.
JFAN1
Voltage
1 +3.3 V dc
2 Ground
3 +24 V dc
Yes
Replace the controller
board. See "Controller
board removal" on
page 4-18.
Yes
Replace the top cover
(which includes the fan).
See "Top cover assembly
removal" on page 4-9.
7525-xxx
No
Securely make all the
connections. POR the
printer.
No
Replace the controller
board. See "Controller
board removal" on
page 4-18.
2-31
Diagnostic information