1/05
2-86
DocuColor 12/DCCS50
8-114 Tray 3 Prefeed Sensor On Jam RAP
Reissue
Status Indicator RAPs
8-114 Tray 3 Prefeed Sensor On Jam RAP
The Tray 3 Prefeed Sensor did not detect paper within the specified time after the prefeed
started.
Initial Actions
• Ensure that the No Paper Sensor is properly installed in the Paper Tray Feed Head.
• Refer to BSD 7.7, BSD 8.3, and BSD 8.10 for the following procedure.
• Check for any obstructions in the paper path.
• Pull out Paper Tray 3
• Open the Lower Left Door (PL
2.
8).
• Open the Tray 3 Feeder (PL 2.
4).
Procedure
Cheat the L/H Cover Interlock Switch. Enter dC330 008-114 Tray 3 Pre feed Sensor and
press Start. Block the Tray 3 Prefeed Sensor with a sheet of paper. The display changes
from H
to L.
YN
The display indicates a constant H.
YN
Go to Fl
ag 1 on BS
D 8.3 and check the harness for a short circuit. If the harness is
good, replace the Tray 3 Prefeed Sensor (PL 2.5).
Connect the meter from P/J41
5A-11 on the IOT Drive PWB to machine frame. Block the
Tray 3 Prefeed Sensor with a sheet of paper. The voltage at P/J415A-11 g
oes from +5
VDC when the sensor is not blocked, to less than +1.0 VDC when the sensor is
blocked.
YN
There is +5 VDC between P
/J803B-
5 and P/J803B-3 on the Tray PWB.
YN
Go to F
lag 2 on BSD 8.3 and check the harness for a short circuit. If the har-
ness is
good, replace the Tray PWB (PL 9.3).
Go to Flag 1 and Fla
g 2 on BSD 8.3 and check the harness for an open circuit. If the
harness is OK, replace the Tray 3 Prefeed Sensor (PL 2.5). If the problem continues,
replace the Tray PWB (PL 9.3).
Replace the Tray PWB (PL 9.3).
Enter dC330 008-018 Tray 3 Feed/Lift Motor (Feed). Press Star
t and Stop several times.
The Tray 3 Feed/Lift Motor energizes and deenergizes.
YN
Go to the 7-
283 T
ray 3 Lift Motor Failure RAP
Enter dC330 008-016
Tray 3 Nudger Roll Solenoid. Press Start and Stop several times.
The Tray 3 Nudger Solenoid energizes.
YN
Press the St
op but
ton. There is +24 VDC at P/J803B-1 on the Tray PWB.
YN
Replace the Tray PWB (PL 9.3).
Th
ere is +24 VDC at P/J803B-2 on
the Tray PWB.
YN
Go to F
lag 7 on BSD 7.7 and check the harness for an open circuit. If the harness is
good, replac
e the Tray 3 Nudger Solenoid (PL 2.5).
Press Start. Th
e voltage at P/J803B-2 goes to approximately 0 VDC.
YN
Press Start. There is +5 VDC at P
/J801B-10 o
f the Tray PWB.
YN
Go to F
lag 8 on BSD 7.7 and check the harness for an open or short circuit. If
th
e harness is good, replace the IOT Drive PWB (PL 9.2).
Replace the Tray PWB (PL 9.3).
Replace the Tray 3 Nudger Solenoid (PL 2.5).
Enter dC330 008-019 Tray 3 Take Away Feed Clutch. Pre
ss Start and Stop several times.
The Tray 3 Takeaway Feed Clutch energizes.
YN
Press the St
op but
ton. There is +24 VDC at P/J802B-12 on the Tray PWB.
YN
Replace the Tray PWB (PL 9.3).
There is +24 VDC at P/
J802B-11 o
n the Tray PWB.
YN
Go to Fl
ag 5 on BSD 8.
3 and check the harness for an open circuit. If the harness is
good, replace the Tray 3 Takeaway Feed Clutch (PL 2.7A).
Press the Start but
ton. The voltage at P/J802B-11 goes to approximately 0 VDC.
YN
There is +5 VDC at P/
J801B-7 on
the Tray PWB.
YN
Go to F
lag 6 on BSD 8.3 and check the harness for an open circuit. If the har-
ness is
good, replace the IOT Drive PWB.
Replace the Tray PWB (PL 9.3).
Replace the Tray 3 Takeaway Feed Clutch (PL 2.7A).
Check/
replace the Tray 3 Feeder Assembly (PL 2.4). Replace any component
s that are worn,
broken, binding, or slipping.
A
A
B
B
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