Service Checks; 90X.xx Error; 925.01-Fan Error Service Check - Olivetti d-Color MF920 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 4-7. 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 4-7. Unplug the fan cable at JFAN1 and
turn the printer on. Check the following
connectors:
Are the measured values correct?
Y112730-2
JFAN1
Pin 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.
No
Securely make all the
connections. POR the
printer.
No
Replace the controller
board. See "Controller
board removal" on
page 4-18.
Diagnostic information
2-31