Xerox DocuColor 12/DCCS50, Service Manual

Page: 1155 / 1617

1/05
8d-13 DocuColor 12/DCCS50
11-116 Mailbox Vertical Sensor / Bin 1 Sensor Off
Finisher/Sorter
Reissue
• Check that the gear pulleys are properly fastened to the drive rolls
• Check the bin entrance area for obstructions.
• Ensure that the Mailbox front Door is closed properly, in order to provide proper nip
pressure to the Vertical Transport Rolls.
• Check the Drive Belt Tension Roll for proper tension.
Check the following parts for wear, glazing, or slipping.
•
Pinch Rollers ( PL 18.12 )
• Pinch Rolls ( PL 18.12 )
• Drive Belt ( PL 18.10 )
• Check the bin entrance area for obstructions.
• Ensure that the Mailbox front Door is closed properly, in order to provide proper nip pres-
sure to the Vertical Transport Rolls.
• Check the Mailbox Vertical Sensor for intermittent operation. Replace the Mailbox Vertical
Sensor (
PL 18.13 ) if the problem is not resolved.
11-142 Mailbox Entrance Sensor On Jam Long RAP
The Mailbox Entrance 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.
Initial Actions
Refer to BSD12.5, BSD12.7 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 the Mailbox front Door is closed properly, in order to provide proper nip pres-
sure to the Vertical Transport Rolls.
• Ensure that connectors P/J1004 on the Mailbox PWB, P/J1022 double plug, P/J1023
and P/J1024 , on the Mailbox Vertical Sensor is seated correctly and there are no obvious
crimped or broken wires.
Procedure
The lead edge of the paper is at or past the Mailbox Entrance Sensor.
Y
N
The paper entered the Vertical Transport.
Y
N
The Mailbox Gate is in the down or Bin Tray position.
Y
N
Enter dC330 012-082 Mailbox Gate Solenoid Open. Press Start. The Mailbox
Gate Solenoid energized.
Y
N
+24 VDC is measured between
P/J1024 -15 and P/J1024 -17 on the
Finisher PWB.
Y
N
+24 VDC is measured between
P/J1024 -15 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 Distribution PWB
Replace the Finisher PWB ( PL 18.4 )
Less than +1 VDC is measured between P/J1024 -17 and GND
Y N
Replace the Finisher PWB ( PL 18.4 )
Go to Flag 2 and Flag 3 on BSD12.7. Check the wires for an open
circuit. If the wires are good, replace the Mailbox Gate Solenoid ( PL
18.11 ).
A B
A B C D E