09/03
2-290
DC 3535/2240/1632, WC M24
12-911
Initial issue
Status Indicator RAPs
12-911 Stacker Lower Safety Warning
The Height Alignment was not successful during Stacker Tray lowering while stacking.
Initial Actions
Check the Stack Height Sensor Actuator for disengagement, bending, obstruction and break-
age (Figure 1).
Procedure
Remove paper from Stacker Tray. The problem continues.
YN
Return to Service Call Procedures.
Enter dC330 [012-201] and press Start. Actuate the Stack Height Sensor (PL 17.6). The dis-
play changes.
YN
Press Stop. Check the circuit of the Stack Height Sensor (Figure 2). Refer to the OF 99-2
RAP for troubleshooting procedure.
Press Stop.
• Ensure that the connectors shown in the circuit diagram (Figure 2) are securely con-
nected and that the wires are not damaged.
• Replace the Stack Height Sensor (PL 17.6).
• If the problem persists, replace the Finisher PWB (PL 17.13) (Figure 3).
Figure 1 Component Location
Figure 2 12-911 RAP Circuit Diagram - Stack Height Sensor
Figure 3 Finisher PWB
Stack
Height
Sensor
Stacker
Motor
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