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Figure 3 Circuit diagram
WorkCentre 5687 Family
05-330B, 05-331B DADH Feed Sensor Failure RAP (45-87
ppm)
Initial Actions
•
Make sure that the correct RAP is used. To identify the correct RAP to use, go to the 05-
330, 05-331 DADH Feed Sensor Failure Entry RAP.
•
Remove all documents from the DADH.
•
Make sure that the customer is not using damaged documents. If the DADH damages the
documents, go to the 05F Damaged Documents RAP.
•
Figure 1. Check that the feed roll assembly is installed correctly, go to REP 5.14.
•
Figure 1. Make sure that the feed rolls are clean and rotate freely, refer to ADJ 5.4. If nec-
essary, install a new feed roll assembly, PL 5.15 Item 1 or feed roll assembly cover, PL
5.15 Item 21.
•
Figure 2. Check the operation of the feed yoke. Make sure that the feed yoke shaft is
under the clip. Make sure that the feed yoke spring is connected to the feed assembly and
to the feed yoke.
•
Figure 2. Make sure that the feed gates are locked in the down position.
•
Clean the DADH feed sensor and the area around the sensor, PL 5.15 Item 2.
Procedure
Switch off the electricity to the machine, GP 14. Disconnect the power cord from the
customer supply while performing tasks that do not need electricity. Electricity can
cause death or injury. Moving parts can cause injury.
Open the DADH top cover. Remove the DADH rear cover, PL 5.10 Item 1. Hold the top cover
interlock switch closed. Enter dC330 code 05-330 to check the DADH feed sensor, Q05-330.
Activate Q05-330. The display changes.
Y
N
Go to Flag 1. Check Q05-330.
References:
•
GP 11 How to Check a Sensor.
•
P/J184 DADH PWB.
•
01E +5V Distribution RAP.
•
The 5V return in the 01B 0V Distribution RAP.
Install new components as necessary:
•
DADH feed sensor, PL 5.15 Item 2.
•
DADH PWB, PL 5.10 Item 5.
Enter dC330 code 05-020 to run the DADH feed motor, MOT05-020. MOT05-020 runs.
Y
N
Go to the 05D DADH Motor Failure RAP.
While MOT 05-020 runs, stack the code 05-025 to energize the DADH feed clutch, CL05-025.
NOTE: The feed clutch disengages after 30 seconds. The feed motor stops after 3 minutes.
CL05-025 energizes, the nudger rolls and the feed rolls rotate.
August 2007
2-115
WARNING
Status Indicator RAPs
05-330A, 05-331A, 05-330B, 05-331B
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