7-283 Tray 3 Lift Motor Failure Rap - Xerox DocuColor 12/DCCS50 Service Manual

7-283 Tray 3 Lift Motor Failure RAP

The Tray 3 Stack Height Sensor (PL 2.5) failed to change state within the specified time after
Tray 3 Feed/Lift Motor was energized.
Initial Actions
• Refer to BSD 7.7 and BSD 7.10 for the following procedure.
• Ensure there is paper loaded in the Tray 3.
• Ensure connector P/J803 on the Tray PWB is properly seated
• Check for crimped or broken wires to connectors on the IOT Drive PWB
• Pull out Paper Tray 3.
• Open the Lower Left Door (PL 2.8).
• Remove the Screw and open the Tray 3 Feed Assembly
Procedure
Cheat the L/H Cover INTLK Switch. Remove the Tray 3 Feed Assembly without disconnecting
P/J793. Enter dC330 008-223 Tray 3 Level Sensor. Press Start. Manually actuate the Tray 3
Stack Height Sensor. The display changed from H to L.
Y N
+0 VDC is measured at P/J415A-12 on the IOT Drive PWB.
Y N
+5 VDC is measured at P/J130-2 on the Tray 3 Stack Height Sensor.
Y N
Go to Flag 5 and Flag 6
the harness and connectors are OK, replace the IOT Drive PWB.
+5 VDC is measured between P/J130-1 and P/J130-3 on the Tray 3 Stack
Height Sensor.
Y N
+5 VDC is measured between P/J21-1 and P/J21-5 on the IOT LVPS.
Y N
Go to the +5 VDC Power (IOT LVPS)
+5 VDC is measured between P/J803B-11 on the Tray PWB and P/J21-5
on the IOT LVPS.
Y N
Replace the IOT Drive PWB
Go to Flag 5 on BSD 7.7 and check wires for an open circuit. If the wires are
OK, replace the Tray PWB
Replace the Tray 3 Stack Height Sensor
Go to Flag 6 on BSD 7.7 and check wires for an open circuit. If the wires are OK, replace
the IOT Drive PWB (PL 9.2).
Enter dC330 008-017 Tray 3 Feed/Lift Motor (Lift), 008-018 Tray 3 Feed/Lift Motor (Feed)]
Tray 3 Feed/Lift Motor. Press Start and Stop several times.
Status Indicator RAPs
(PL 9.2).
(PL
(PL 2.4).
on BSD 7.7 and check the harness and connectors. If
RAP.
(PL 9.2).
(PL 9.3).
(PL 2.5).
Do not operate the component control more than twice before resetting paper position. To
lower the paper from the feed position, pull out respective tray. If the tray is overdriven, it will be
hard to pull out and may cause component damage.
The Feed/Lift Motor energizes and deenergizes.
Y N
+24 VDC is measured between P/J803B-14 and GND on the Tray PWB.
Y N
Check the fuse on the Tray PWB. Fuse is OK.
Y N
9.2).
Replace fuse
+24 VDC is measured between P/J23-3 and GND on the IOT LVPS.
Y N
Go to the
Go to Flag 4
connectors are OK, replace the Tray 3 Feed/Lift Motor
+24 VDC is measured between P/J803B-15 and GND on the Tray PWB.
Y N
Check the fuse on the Tray PWB. Fuse is OK.
Y N
Replace fuse
+24 VDC is measured between P/J23-3 and GND on the IOT LVPS.
Y N
Go to the
Go to Flag 3
nectors are OK, replace the Tray 3 Feed/Lift Motor
Go to Flag 3 and
connectors are OK, replace the Tray 3 Feed/Lift Motor
place the Tray PWB
Enter dC330 008-233 Tray 3 No Paper Sensor. Press Start. Manually actuate the Tray 3 No
Paper Sensor. The display changed from H to L.
Y N
+0 VDC is measured at P/J803B-7 on the IOT Drive PWB and GND.
Y N
+5 VDC is measured at P/J129-2 on the Tray 3 No Paper Sensor.
Y N
Go to Flag 1
the harness and connectors are OK, replace the IOT Drive PWB.
+5 VDC is measured between P/J129-1 and P/J129-3 on the Tray 3 No Paper
Sensor.
Y N
+5 VDC is measured between P/J21-1 and P/J21-5 on the IOT LVPS.
A B C
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CAUTION
(PL 9.3).
+24 VDC Power (IOT LVPS) RAP.
on BSD 7.7 and check the harness and connectors. If the harness and
(PL 9.3).
+24 VDC Power (IOT LVPS) RAP.
on BSD 7.7 and check the wires and connectors. If the wires and con-
(PL
Flag 4 on BSD 7.7 and check the wires and connectors. If the wires and
(PL
(PL 9.2).
and Flag 2 on BSD 7.7 and check the harness and connectors. If
(PL 2.6).
2.6).
2.6). If the problem continue
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DocuColor 12/DCCS50