Xerox DocuColor 12/DCCS50, Service Manual

Page: 1149 / 1617

1/05
8d-7 DocuColor 12/DCCS50
11-108 SCT Exit Sensor Off Jam RAP
Finisher/Sorter
Reissue
11-108 SCT Exit Sensor Off Jam RAP
The SCT Exit Sensor did not deactuate within the specified time after the SCT Exit Sensor
actuated.
Initial Actions
Refer to BSD12.5 and BSD12.7 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 trail edge of the paper is past the SCT Exit Sensor
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 Mail-
box 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 wires for an open
circuit. If the wires are 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.
Check the SCT Exit Sensor Actuator for binding as it moves in and out of the sensor. The
actuator is binding.
Y
N
Check for obvious damage, missing and/or broken Drive Motor gear assemblies and drive
belts that would cause the copy to be slow to actuate the SCT Exit Sensor.
Replace the SCT Exit Sensor ( PL 18.13 ).
A
A
B
B