Xerox DocuColor 2240, Service Manual

Page: 195 / 1489

09/03
2-162
DC 3535/2240/1632, WC M24
8-164
Initial issue Status Indicator RAPs
8-164 POB Sensor
The POB Sensor did not detect paper after the Registration Clutch Energized.
Initial Actions
• Check condition and specification of the paper supply.
• Check for paper on the IBT.
• Check for obstructions in the paper feed path.
• Clean the POB Sensor.
• Check the 2nd BTR transmission gears for wear.
• Clean the Registration Roll and check for damage or wear.
Procedure
Open the Left Cover Assembly ( PL 2.9 ). Enter dC330 [009-201] and press Start . Block and
unblock the POB Sensor ( PL 2.9 ). The display changes state.
Y N
Press Stop . Check the circuit of the POB Sensor ( Figure 1 ). Refer to the OF 99-1 RAP for
troubleshooting procedure.
Press Stop . Enter dC330 [008-037] and press Start . The Registration Clutch ( PL 2.6 ) ener-
gizes.
Y
N
Press Stop . Check the circuit of the Registration Clutch ( Figure 2 ). Refer to the OF 99-4
RAP for troubleshooting procedure.
Close the Left Cover Assembly and press Stop . In sequence, enter the following: dC330 [009-
052] then dC330 [009-051] and press Start . The 2nd BTR contacts and retracts.
Y N
Press Stop . Go to the 9-342 RAP for a contact failure or go to the 9-343 RAP for a retract
failure.
Press Stop .
• Ensure that the connectors shown in the circuit diagrams ( Figure 1 , Figure 2 ) are securely
connected and that the wires are not damaged.
• Replace the POB Sensor ( PL 2.9 ).
• If the problem persists, replace the ESS PWB ( PL 13.1 ).
Figure 1 8-164 RAP Circuit Diagram - POB Sensor
Figure 2 8-164 RAP Circuit Diagram - Registration Clutch