09/03
2-165
DC 3535/2240/1632, WC M24
8-180
Status Indicator RAPs
Initial issue
8-180 Registration Sensor On Duplex
The Registration Sensor does not detect paper after a duplex feed.
Initial Actions
• Check condition and specification of the paper supply.
• Check for obstructions in the paper feed path.
• Clean the Registration Roll and check for wear.
• Clean the Exit Roll, Transport Roll, Wait Roll and check for wear.
Procedure
Open the Left Cover Assembly (PL 2.9). Enter dC330 [008-104] and press Start. Block and
unblock the Registration Sensor (PL 2.6). The display changes state.
YN
Press Stop. Check the circuit of the Registration Sensor (Figure 1). Refer to the OF 99-1
RAP for troubleshooting procedure.
Press Stop. Close the Left Cover Assembly and remove the Left Upper Cover (PL 2.7). Enter
dC330 [008-056] and press Start. The Duplex Transport Roll (PL 12.1) rotates.
YN
The Duplex Motor (PL 12.2) energizes.
YN
Press Stop. Check the circuit of the Duplex Motor (Figure 2). Check the wires from
the Duplex PWB to the Duplex Motor for an open circuit. If the wires are good,
replace the Duplex Motor (PL 12.2). If the problem continues, replace the Duplex
PWB (PL 12.2).
Press Stop. Check the Duplex Motor and its associated pulleys and belts (PL 12.2) for
damage, contamination or misalignment.
Press Stop. Enter dC330 [008-043] and press Start. The Inverter Reverse Clutch (PL 11.2)
energizes.
YN
Press Stop. Check the circuit of the Inverter Reverse Clutch (Figure 3). Refer to the OF
99-4 RAP for troubleshooting procedure.
Press Stop.
• Check that the Duplex Chute (PL 2.8) is properly seated and not damaged.
• Ensure that the connectors shown in the circuit diagrams (Figure 1, Figure 2, Figure 3)
are securely connected and that the wires are not damaged.
• If the problem persists, replace the Duplex PWB (PL 12.2).
Figure 1 8-180 RAP Circuit Diagram - Registration Sensor