Xerox WorkCentre 5790 Series Service Manual page 166

05H DADH Document Present Sensor Failure RAP (40-90
ppm)
Initial Actions
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to GP 14. Disconnect the power cord. Electricity can cause
death or injury. Moving parts can cause injury.
• Make sure that the correct RAP is used. To identify the correct RAP to use, go to the
DADH Document Present Sensor Failure Entry RAP.
• Remove all documents from the DADH.
• Clean the DADH document present sensor and the area around the sensor,
19.
• The DADH document present sensor can fail to detect the last document in a document
set if static electricity is on the input tray. If necessary, clean the input tray with the anti-
static fluid, refer to ADJ 5.4.
Procedure
Enter dC330 code 05-310 to check the DADH document present sensor, Q05-310,
The display changes.
Y N
Go to Flag 1. Check Q05-310.
References:
• GP 11 How to Check a Sensor.
• P/J184, DADH PWB.
• 01E +5V Distribution RAP.
• 01B 0V Distribution RAP, refer to the 5V return.
Install new components as necessary:
• DADH document present sensor,
• DADH PWB, PL 5.10 Item 5.
Make sure that the area around the sensor is clean. If the problem continues, install new com-
ponents as necessary:
• DADH document present sensor, PL 5.35 Item
• DADH PWB, PL 5.10 Item 5.
Status Indicator RAPs
05H
WARNING
PL 5.35 Item 19.
19.
05B
PL 5.35 Item
Figure 1.
May 2013
2-134
Figure 1 Component location
Figure 2 Circuit diagram
Xerox® WorkCentre® 5790 Family
DADH document
present sensor
Q05-310