2-28 Service Manual
5056-XXX
997 - Finisher Tractor Motor Error
998 - Tray Elevator Motor Error
Step Questions/actions Yes No
1 Are there obstructions or foreign objects in the
accumulator or face down paper path?
Remove the
objects or
obstructions.
Go to step 2.
2
Are the connectors CN3 at the tractor motor and PJ4
on the finisher control board securely connected?
Go to step 3. Securely connect
the connectors.
3
Make sure the finisher set switch is activated. Measure
+24 V dc between pin 1 of tractor motor connector CN3
and frame ground. Is +24 V dc (±10%)?
Go to step 4. Go to step 5.
4
Replace the tractor motor assembly. Did this resolve
the problem?
Problem solved. Replace the
finisher control
board.
5
Disconnect CN3 and PJ4 on the finisher control board
and perform a continuity check on all positions. Is there
continuity on all positions?
Go to step 6. Replace the
cable.
6
Check for +24 V dc between pins 1 and 2 of PJ3 on the
finisher control board. Is +24 V dc present?
Replace the
finisher control
board.
Replace the
power supply.
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.
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