1/05
2-54
DocuColor 12/DCCS50
6-277 IISS - DADF Communications Fault RAP, 6-300
Reissue
Status Indicator RAPs
6-277 IISS - DADF Communications Fault RAP
The Pre IPS PWB detected a communication fault between the DADF Control PWB and the
Pre IPS PWB.
Initial Actions
• Refer to BSD 3.3 in the following procedure.
• Ensure that P/J551 on t
he DADF Control PWB is firmly seated.
• Ensure that J543B on the comm
unication line is firmly seated.
Procedure
PO/PO the machine. The Fault Code is still declared.
YN
Inspect the PRE IPS PWB the MEM SYS PWB, the POST IPS PWB for loose connec-
tions or any obvious electrical/mechanical
cause f
or malfunction.
+5VDC is measured between P/J550-5 and
P/J550-6 on the DADF Control PWB.
YN
Go to the +5VDC Power (IOT LVPS) RAP.
Go to Flag 1 on BSD 3.
3 and check the wiring for an open circuit. If the wiring is OK, then
replace the DADF Control PWB (PL 12.3). If the problem continues, replace the following:
• Pre IPS PWB (PL
3.
5)
• MEM SYS PWB (PL 3.
5)
• Post IPS PWB (PL 3.
5)
6-300 Platen Cover Open RAP
A fault code for Platen Cover Open appears even when the Platen Cover is physically closed.
Initial Actions
• Refer to BSD 6.2 and BSD 6.7 in the following procedure.
• Check that the Platen Cover closes properly.
Procedure
Close the Platen Cover. Enter dC330 006-300 Platen Interlock Switch (IISS). Press Start.
The Display is H.
YN
Manually actuate the Platen Open Switch. The display changes.
YN
Disconnect P
/J5
30. +5VDC is measured between P/J515-3 and GND on the
Pre IPS PWB.
YN
Replace the Pre IPS PWB (PL 3.5)
Reconnect P
/J
530. Open the Platen Cover. The voltage at P/J515-3 goes to less
than +1 VDC.
YN
Go to F
lag 4, Fl
ag 5, and Flag 6 on BSD 6.2 and check the wires for an open
circuit. If the wires are good, replace the Platen Open Switch (PL 3.2).
Check the Platen Open Switch for intermittent operation. If the switch is good,
replace the Pre I
PS PWB (PL 3.5). If the problem continues, replace the Platen
Open Switch (PL 3.2).
Check the Platen Open Switch for alignment and /or damage. If the Fault continues,
replace
th
e Platen Open Switch (PL 3.2).
Open the Platen Cover The display is L
YN
Check the Platen Open Switch for alignment and /or damage. If the Fault continues,
replace
th
e Platen Open Switch (PL 3.2).
Check the Platen Open Switch for alignment and /or damage. Go to Flag 4
, Flag 5, on BSD 6.2
and check the wires for an open or short circuit. If the wires are OK, replace the Platen Open
Switch (PL 3.2).
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