6/02
2-211
DC1632/2240
12-254
Status Indicator RAPs
Prelaunch Training/Review
12-254 Stacker Tray
ï The Stack Height Sensor did not detect that the tray went down within 500ms after the
Stacker Tray lowered at initialization.
ï The Stack Height Sensor did not detect that the tray went up within 5sec after the Stacker
Tray lifted up.
Procedure
Check the Stack Height Sensor Actuator for disengagement, bending, and breakage.
Enter dC330 [012-201] and press Start. Manually turn the Stack Height Sensor Actuator to turn
the Stack Height Sensor on/off. The display changes.
YN
Check the Stack Height Sensor using the Generic Transmissive Sensor RAP.
Enter dC330 [012-050] (up) or [12-051] (down) and press Start. The Stacker Tray moves.
YN
Stacker Motor energized.
YN
With [12-050] (up) running. +24VDC is measured between the Finisher PWB p/j
(+) and Finisher PWB Chassis (-).
YN
Replace the Finisher PWB (PL 17.13).
With [12-050] (up) running. +24 VDC is measured between the Stacker Motor p/j
(+) and Finisher PWB Chassis (-).
YN
Check the wire between the Finisher PWB p/j and the Stacker Motor p/j for an
open circuit or poor contact.
With [12-050] (up) running +24 VDC is measured between the Stacker Motor p/j
(+) and Finisher PWB Chassis (-).
YN
Replace the Stacker Motor (PL 17.11).
Check the wire between the Finisher PWB p/j and the Stacker Motor p/j for an open
circuit or poor contact.
If no problems are found, replace the Stacker Motor (PL 17.11).
If the problem continues, replace the Finisher PWB (PL 17.13).
Check the following:
ï The Stacker Motor Gear for wear and damage
ï The Stacker Tray for dragging and improper installation
ï The Stacker Elevator Belt/rack/gear for wear and damage
Remove the other mechanical causes of the Stacker Tray not operating.
Replace the Finisher PWB (PL 17.13).
Figure 1 Component Location
Figure 2 Stack Height Sensor
Figure 3 Stacker Motor CD
Stack
Height
Sensor
Stacker
Motor
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