Xerox DocuColor 12/DCCS50, Service Manual

Page: 41 / 1617

1/05
2-5 DocuColor 12/DCCS50
1-300 Front Door Interlock Open RAP, 1-304 L/H
Status Indicator RAPs
Reissue
1-300 Front Door Interlock Open RAP
The Control Logic has detected that the Front Door Cover is open.
Initial Actions
• Refer to BSD 1.4 in the following procedure
• Visually inspect the Front Door Interlock Switch ( PL 9.1 ) and the Drawer Accessory ( PL
2.18 ) for damage, misalignment, dirt or any other visible mechanical or electrical cause
for malfunction.
Procedure
PO/PO the Machine Fault Code 1-300 is still declared.
Y N
Inspect and reseat connectors P/J712 , P/J14 , P/J419B , P/J724 , and P/J11A .
Open the Front Door. +5 VDC is measured at P/J712 -3.
Y N
Perform the following:
•
Observe the operation of the Drawer Interlock Switch while opening and closing the
drawer.
• Check the Drawer Interlock Switch for damage or misalignment.
• Go to Flag 1 and Flag 7 on BSD 1.4, and check the wires between P/J712 -3 and P/
J724 -2 for an open circuit.
• Replace the Drawer Interlock Switch ( PL 2.18 ).
Cheat the Front Door Interlock Switch. +5 VDC is measured at P/J712 -4
Y N
+5VDC is measured at
P/J19 -4 on the AC Driver PWB.
Y N
Replace the AC Driver PWB ( PL 9.3 ).
Go to Flag 1 and Flag 7 on BSD 1.4, and check the wiring between P/J14 -1 on the AC
Driver PWB and P/J19 -4 on the AC Driver PWB ( PL 9.2 ) for an open or a short. If the
problem continues,
•
Replace the Front Door Interlock Switch ( PL 9.1 ).
• Replace the Drawer Interlock Switch ( PL 2.18 ).
Perform the following:
•
Go to the Interlock Relay Failure RAP .
• Replace the AC Driver PWB ( PL 9.3 ).
1-304 L/H Cover Interlock Open RAP
This RAP should be used to repair the Left Hand Cover Interlock circuit.
Initial Actions
• Refer to BSD 1.4 in the following procedure:
• Visually inspect the L/H Cover Interlock Switch ( PL 2.8 ) for damage, misalignment, dirt or
any other visible mechanical or electrical cause for malfunction. Make sure the Left Lower
Cover actuates the switch when it closes.
Procedure
PO/PO the machine. Fault Code 1-304 is still declared.
Y N
Reseat connectors P/J800 and P/J805 .
Perform the following:
•
Close the L/H Cover Interlock Switch. Go to Flag 4 and Flag 5 on BSD 1.4, and check for
continuity through the switch while it is closed.
• Open the L/H Cover Interlock Switch, and go to Flag 5 on BSD 1.4.
+24 VDC is measured at P/J805 -1.
Y N
Go to the +24 VDC Power (IOT LVPS) RAP .
Close the L/H Cover Interlock Switch, and go to Flag 5 on BSD 1.4. +24 VDC is measured at
P/J805 -2 on the Tray PWB.
Y N
Perform the following:
•
Go to Flag 4
and Flag 5 on BSD 1.4. Check for an open circuit between P/J805 -1
and P/J805 -2 on the Tray PWB.
• Replace the L/H Cover Interlock Switch ( PL 2.8 ).
Perform the following:
•
Go to BSD 1.4, and check for an open/short circuit at P/J801B -4.
• Replace the Tray PWB ( PL 9.3 ).