Xerox DocuColor 12/DCCS50 Service Manual page 104

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/J804-14 and GND on the Tray PWB.
Y N
Check the fuse on the Tray PWB. Fuse is OK.
Y N
Replace fuse (PL 9.3).
+24 VDC is measured between P/J23-3 and GND on the IOT LVPS.
Y N
Go to the +24 VDC Power (IOT LVPS)
Go to Flag 4 on BSD 7.8 and check the harness and connectors. If the harness and
connectors are OK, replace the Tray 4 Feed/Lift Motor (PL 2.6).
+24 VDC is measured between P/J804-15 and GND on the Tray PWB.
Y N
Check the fuse on the Tray PWB. Fuse is OK.
Y N
Replace fuse (PL 9.3).
+24 VDC is measured between P/J23-3 and GND on the IOT LVPS.
Y N
Go to the +24 VDC Power (IOT LVPS)
Go to Flag 3 on BSD 7.8 and check the harness and connectors. If the harness and
connectors are OK, replace the Tray 4 Feed/Lift Motor
Go to Flag 3 and Flag 4 on BSD 7.7 and check the wires and connectors. If the wires and
connectors are OK, replace the Tray 3 Feed/Lift Motor
place the Tray PWB (PL 9.2).
Enter dC330 008-234 Tray 4 No Paper Sensor. Press Start. Manually actuate the Tray 4 No
Paper Sensor. The display changed from H to L.
Y N
+0 VDC is measured at P/J415A-10 on the IOT Drive PWB.
Y N
+5 VDC is measured at P/J129-2 on the Tray 4 No Paper Sensor.
Y N
Go to Flag 1 and Flag 2 on BSD 7.8 and check the harness and connectors. If
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 4 No Paper
Sensor.
Y N
+5 VDC is measured between P/J21-1 and P/J21-5 on the IOT LVPS.
A B C
Status Indicator RAPs
CAUTION
RAP.
RAP.
(PL 2.2).
(PL 2.6). If the problem continue
A B C
Y N
Go to the +5 VDC Power (IOT LVPS)
+5 VDC is measured between P/J804-6 on the Tray PWB and P/J21-5 on
the IOT LVPS.
Y N
Replace the Tray 1 Stack Height Sensor
Go to Flag 1 on BSD 7.8 and check wires for an open circuit. If the wires are
OK, replace the Tray PWB
Replace the Tray 4 No Paper Sensor
Go to Flag 2 on BSD 7.8 and check the harness and connectors. If the harness and con-
nectors are OK, replace the IOT Drive PWB
Check/replace the following parts in the order listed until the problem is resolved. Replace any
parts that are worn, broken, binding, or missing.
• Tray 4 Paper Feed Assembly
• Tray 4 Assembly (PL 2.3)
• Wiring Harness
1/05
2-68
manuals4you.com manuals4you.com
RAP.
(PL 2.2).
(PL 9.3).
(PL 8.1).
(PL 9.2).
(PL 2.4)
DocuColor 12/DCCS50
Reissue