Xerox DocuColor 12/DCCS50, Service Manual

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1/05
2-190 DocuColor 12/DCCS50
11-115 Mail Box Vertical Sensor / Bin 1 Sensor On
Reissue
Status Indicator RAPs
11-115 Mail Box Vertical Sensor / Bin 1 Sensor On Jam
RAP
The Mail Box Vertical 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 BSD11.2, BSD11.5 and BSD11.8 for the following procedure.
Check for the following:
•
Obstructions in the Mail Box paper path
• Bent or out of position paper chutes/guides in the Mail Box paper path
• Ensure that the Mail Box front Door is closed properly, in order to provide proper nip pres-
sure to the Vertical Transport Rolls.
• Ensure that connectors P/J551 on the Mail Box Control PWB, and P/J818 , and P/J819
on the Mail Box Vertical 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 Mail Box Vertical Sensor
Y
N
Enter dC330 011-005 Mailbox Drive Motor. Press Start . The Mail Box Transport Roll
is rotating.
Y
N
The Mailbox drive Belt is moving.
Y N
The Mail Box Drive Motor is rotating
Y
N
+24 VDC is measured between
P/J572 -1 and P/J572 -2 of the Mail
Box Drive Motor
Y
N
Go to Flag 1 on BSD11.2. Check the wires for an open circuit. If the
wires are good, replace the Mail Box Control PWB ( PL 13.10 ).
Press Stop . +5 VDC is measured between P/J572 -3 and GND.
Y N
Go to Flag 3 on BSD 11.2. Check the wire for an open circuit. If the
wire is good, replace the Mail Box Control PWB ( PL 13.10 ).
Press Start. Less than +1 VDC is measured between P/J572 -3 and
GND.
Y
N
Replace the Mail Box Control PWB ( PL 13.10
)
Replace the Mail Box Drive Motor ( PL 13.10 ).
Ensure that the Mail Box 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.
•
Entrance Roll ( PL 13.9 )
• Pinch Rollers ( PL 13.9 )
• Exit Roll ( PL 13.9 )
• Drive Belt ( PL 13.10 )
Check the Drive Belt Tension Roll for proper tension.
Enter dC330 011-115 Mailbox Vertical Sensor. Manually block the Mail Box Vertical Sensor
with a sheet of paper. The display changes from L to H to L as the paper moves in and out
of the sensor.
Y
N
The display is always H
Y
N
Go to Flag 1
on BSD 11.5. Check the harness for a short circuit to ground. If the har-
ness is good, replace the Mail Box Vertical Sensor ( PL 13.9 ).
The Vertical LED is on.
Y
N
+5 VDC is measured between
P/J561 -3 and P/J561 -5
Y N
CR1 on the Mail Box Control PWB is on.
Y
N
Go to the +5 VDC wirenet and troubleshoot the wires between P/J569
-1
and P/J44 -6 on the Distribution PWB.
Replace the Mail Box Control PWB ( PL 13.10 ).
Go to Flag 2 and Flag 3 on BSD11.5. Check the harness for an open circuit. If the
harness is good, replace the Vertical LED ( PL 13.5 ).
Go to Flag 1 on BSD 11.5. Check the wire for an open circuit. If the wire is good, replace
the Mail Box Vertical Sensor ( PL 13.9 ).
With paper at the sensor, more than +4.3 VDC is measured between P/ P/J551 -4 and
GND.
Y
N
Replace the Mail Box Vertical Sensor ( PL 13.9 ).
Check the following parts for wear, glazing, or slipping.
•
Entrance Roll ( PL 13.9 )
• Pinch Rollers ( PL 13.9 )
• Exit Roll ( PL 13.9 )
• Drive Belt ( PL 13.10 )
Check the Drive Belt Tension Roll for proper tension.
A
A
B
B
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