Xerox DocuColor 12/DCCS50, Service Manual

Page: 1147 / 1617

1/05
8d-5 DocuColor 12/DCCS50
11-107 SCT Exit Sensor On Jam Long RAP
Finisher/Sorter
Reissue
11-107 SCT Exit Sensor On Jam Long RAP
The SCT Exit Sensor did not detect the lead edge of the paper within the specified time after
the Decurler Exit Sensor detected the lead edge of the same paper.
NOTE: “Long” indicates that the trail edge of the paper has not passed through the Machine
Exit Sensor.
Initial Actions
Refer to BSD12.1, BSD12.5, BSD12.10 and BSD12.17 for the following procedure.
Check for the following:
•
Obstructions in the Mailbox/Sorter paper path
• Bent or out of position paper chutes/guides in the Mailbox/Sorter paper path
• Ensure that there is sufficient nip force at the Mailbox/Sorter Entrance Roll and the SCT
Exit Roll.
• Ensure that connectors P/J1040 on the Finisher PWB, P/J1076 , and P/J1078 on the
SCT Exit Sensor are seated correctly and there are no obvious crimped or broken wires.
Procedure
The lead edge of the paper is at or past the SCT Exit Sensor.
Y
N
The paper entered the Vertical Transport.
Y
N
Enter dC330 012-005 Mailbox Drive Motor. Press Start . The Mailbox Transport
Roll is rotating.
Y
N
The Mailbox Drive Belt is moving.
Y N
The Mailbox Drive Motor is rotating.
Y
N
+24 VDC is measured between
P/J1021 -1 and P/J1021 -2,4 of
the Mailbox Drive Motor.
Y
N
There is +24 VDC from pin 1 to pin 4 of
P/J1025 on the Mail-
box PWB.
Y
N
Go to Flag 6 on BSD 12.5. Check for an open circuit. If the
wires are OK, go to Flag 1 through Flag 5 on BSD 12.1.
Check the interlock circuit for an open wire or a malfunc-
tioning interlock switch. If the circuit is OK, replace the Fin-
isher PWB (
PL 18.4
).
Go to Flag 3 on BSD 12.5. Check the wires for an open circuit. If
the wires are good, replace the Mailbox PWB ( PL 18.11 ).
Press Stop . +5 VDC is measured between P/J1021 -3 and GND.
Y N
There is +5 VDC from pin 3 to pin 4 of
P/J1025 on the Mail-
box PWB.
Y N
Go to Flag 7 on BSD 12.5. Check for an open circuit. If the
wires are OK, replace the Finisher PWB ( PL 18.4 ).
Go to Flag 1 and Flag 2 on BSD12.5. Check for an open circuit.
If the wires are good, replace the Mailbox PWB ( PL 18.11 ).
Press Start. There is less than +1 VDC from P/J1021 -3 to GND.
Y N
Replace the Mailbox PWB ( PL 18.11 ).
Replace the Mailbox Drive Motor ( PL 18.10 ).
Ensure that the Mailbox Drive Motor Pulley is fastened to the motor shaft.
• Check the Drive Belt Tension Pulley for proper tension
• Check the Drive Belt for Damage
• Check that the gear pulleys are properly fastened to the drive rolls
Check the following parts for wear, glazing, or slipping.
•
Mailbox Entrance Roll ( PL 18.10 )
• Pinch Rollers ( PL 18.12 )
• SCT Exit Roll ( PL 18.10 )
• Drive Belt ( PL 18.10 )
Check the Drive Belt Tension Roll for proper tension.
The Mailbox Gate is in the Up position
Y
N
Enter dC330 012-081 Mailbox Gate Solenoid Closed. Press Start. The Mailbox
Gate Solenoid energized.
Y
N
+24 VDC is measured between
P/J1042 -15 and P/J1042 -13 on the Fin-
isher PWB.
Y
N
+24 VDC is measured between
P/J1042 -15 on the Finisher PWB and
GND.
Y
N
+24 VDC is measured between
P/J1042 -13 on the Finisher PWB
and GND.
Y
N
Go to the +24 VDC Wirenet and troubleshoot the wire between
P/J1042
-13 on the Finisher PWB and P/J45 -6 on the Distribu-
tion PWB.
Replace the Finisher PWB ( PL 18.4 )
Less than +1 VDC is measured between P/J1042 -15 on the Finisher
PWB and GND
Y
N
Replace the Finisher PWB ( PL 18.4 )
A
A
A B
B
C
C
D
D
E
E
F
F
G H I J