Lexmark C91 Series, Service Manual

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2-32
Service Manual
5055-xxx
998 - Tray Elevator Motor Error
Step Questions/actions Yes No
1 Are the connectors CN4 at
the tray elevator motor and
connector PJ4 on the
finisher control board
properly connected? Go to step 2. Properly connect
the connectors.
2 Make sure that the finisher
set switch is activated.
Power the printer off.
Measure for approximately
+24 V dc (±10%) between
pins 1 and 2 of connector
CN4 at the tray elevator
motor. Power the printer on
and observe the voltage
meter during the first 12
seconds of power up. Is
+24 V dc present while the
printer is powering up? Replace the tray
elevator motor. Go to step 3.
3 Disconnect CN4 at the tray
elevator motor. Disconnect
PJ4 on the finisher control
board. Measure for
continuity between CN4 pin
1 and PJ4 pin 7. Measure
for continuity between CN4
pin 2 and PJ4 pin 8. Is there
continuity in both locations? Go to step 4. Replace the
cable.
4 Measure for +24 V dc
(±10%) between pins 1 and
2 on connector PJ6. Is +24
V dc present? Replace the
finisher control
board. Replace the
finisher power
supply.