Xerox DocuColor 12/DCCS50, Service Manual

Page: 1150 / 1617

1/05
8d-8 DocuColor 12/DCCS50
11-109 SCT Exit Sensor On Jam Short RAP
Reissue
Finisher/Sorter
11-109 SCT Exit Sensor On Jam Short 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 trail edge of the same paper.
NOTE: “Short” indicates that the trail edge of the paper has passed through the Machine Exit
Sensor.
Initial Actions
Refer to BSD12.5, BSD12.7, BSD12.10 and BSD12.17 for the following procedure.
Check for the following:
•
Obstructions in the Mailbox paper path
• Bent or out of position paper chutes/guides in the Mailbox paper path
• Ensure that there is sufficient nip force at the Mailbox Transport Roll and the SCT Exit
Roll.
• Ensure that connectors P/J1040 on the Mailbox PWB and P/J1076 on the SCT Exit Sen-
sor 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 of the
Mailbox Drive Motor
Y
N
Go to Flag 3 on BSD12.5. 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
Go to Flag 1 and Flag 2 on BSD12.5. Check the wire for an
open circuit. If the wire is good, replace the Mailbox PWB ( PL
18.11 ).
Press Start. Less than +1 VDC is measured between P/J1021 -3
and 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 Roll 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 SCT Gate is in the Up position.
Y
N
Enter dC330 012-061 Tamper Motor Top Front. Press Start. The SCT Gate Sole-
noid energized.
Y
N
+24 VDC is measured between
P/J1042 -15 and P/J1042 -13 on the Mail-
box PWB.
Y
N
+24 VDC is Measured between
P/J1042 -15 Mailbox PWB and GND
Y N
+24 VDC is measured between
P/J1042 -13 on the Mailbox PWB
and GND.
Y
N
Go to the +24 VDC Wirenet and troubleshoot the wire between
P/J1042 -13 on the Mailbox 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 -13 and GND
Y N
Replace the Finisher PWB ( PL 18.4 )
Go to Flag 5 on BSD12.7. Check the wires for an open circuit. If the wires
are good, replace the SCT Gate Solenoid ( PL 18.11 ).
Go to Flag 5 on BSD12.7. Check the wires for an open circuit. If the wires are
good, ensure that the SCT gate is connected to the SCT Gate Solenoid and
that it moves freely. If the problem continues replace the SCT Gate (
PL 18.11 )
and the SCT Gate Solenoid ( PL 18.11 ).
Ensure that the SCT gate is connected to the SCT Gate Solenoid and that it moves
freely. If the problem continues replace the SCT Gate (
PL 18.11 ) and the SCT Gate
Solenoid ( PL 18.11 ).
The Finisher Gate is in the Down position
A
A
A B
B
C
C
D
D
E
E
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