7-281 Tray 1 Lift Motor Failure Rap - Xerox DocuColor 12/DCCS50 Service Manual

7-281 Tray 1 Lift Motor Failure RAP

The Tray 1 Stack Height Sensor failed to change state within the specified time after Tray 1
Feed/Lift Motor was energized.
Initial Actions
• Refer to BSD 7.5 and BSD 7.10 for the following procedure.
• Ensure there is paper loaded in the Tray 1.
• Ensure connector P/J414A on the IOT Drive PWB is properly seated
• Check for crimped or broken wires to connectors on the IOT Drive PWB
• Pull out Paper Tray 1.
• Open the Lower Left Door (PL 2.8).
• Remove the Screw and open the Tray 1 Feed Assembly
Procedure
Cheat the L/H Cover INTLK Switch. Remove the Tray 1 Feed Assembly without disconnecting
P/J791. Enter dC330 008-221 Tray 1 Level Sensor. Press Start. Manually actuate the Tray 1
Stack Height Sensor. The display changed from H to L.
Y N
+0 VDC is measured at P/J414A-10 on the IOT Drive PWB.
Y N
+5 VDC is measured at P/J130-2 on the Tray 1 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 1 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/J414A-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 7.5 and check wires for an open circuit. If the wires are
OK, replace the IOT Drive PWB
Check that the mechanical flag on the Tray 1 Stack Height Sensor is not bent. If the
sensor flag is OK, replace the Tray 1 Stack Height Sensor
Go to Flag 6 on BSD 7.5 and check the wires for an open or short circuit. If the wires are
OK, replace the IOT Drive PWB (PL
Push the Tray in. Enter dC330 008-007 Tray 1 Feed/Lift Motor (Lift) Tray1 Feed/Lift Motor.
Press Start and Stop several times.
Reissue
DocuColor 12/DCCS50
(PL 9.2).
(PL
(PL 2.2).
on BSD 7.5 and check the harness and connectors. If
RAP.
(PL 9.2).
(PL 9.2).
(PL 2.5).
9.2).
Enter dC330 008-008 Tray 1 Feed/Lift Motor (Feed) Tray1 Feed/Lift Motor. Press Start and
Stop several times. The Feed/Lift Motor energizes and deenergizes.
Y N
+24 VDC is measured between P/J414A-14 on the IOT Drive PWB and GND.
Y N
Check the fuse on the Tray PWB. Fuse is OK.
Y N
Replace fuse
+24 VDC is measured between P/J23-3 on the IOT LVPS and GND.
9.2). Y N
Go to the
Replace the IOT Drive PWB
+24 VDC is measured between P/J414A-A15 on the IOT Drive PWB and GND.
Y N
Check the fuse on the Tray PWB. Fuse is OK.
Y N
Replace fuse
+24 VDC is measured between P/J23-3 on the IOT LVPS and GND.
Y N
Go to the
Go to Flag 3
connectors are OK, replace the Tray 1 Feed/Lift Motor
Go to Flag 3 and
the wires are OK replace the IOT Drive PWB
the Tray 1 Feed/Lift Motor
Enter dC330 008-231 Tray 1 No Paper Sensor. Press Start. Manually actuate the Tray 1 No
Paper Sensor. The display changed from H to L.
Y N
+0 VDC is measured at P/J414A-7 on the IOT Drive PWB.
Y N
+5 VDC is measured at P/J129-2 on the Tray 1 No Paper Sensor.
Y N
Go to Flag 1
the harness and connectors are OK, replace the IOT Drive PWB.
+5VDC is measured between P/J129-1 and P/J129-3 on the Tray 1 No Paper
Sensor.
Y N
+5 VDC is measured between P/J21-1 and P/J21-5 on the IOT LVPS.
Y N
Go to the
Go to Flag 2
OK, replace the IOT Drive PWB
A B C
1/05
2-63
(PL 9.3).
+5 VDC Power (IOT LVPS) RAP
(PL 9.2).
(PL 9.3).
+24 VDC Power (IOT LVPS) RAP.
on BSD 7.5 and check the harness and connectors. If the harness and
Flag 4 on BSD 7.5 and check the wires for an open or a short circuit. If
(PL 9.2). If the problem continues, replace
(PL 2.6).
and Flag 2 on BSD 7.5 and check the harness and connectors. If
+5 VDC Power (IOT LVPS) RAP.
on BSD 7.5 and check wires for an open circuit. If the wires are
(PL 9.2)
(PL 2.2).
Status Indicator RAPs