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Xerox DocuPrint N17 Service Manual
12-35
High Capacity Feeder Option
12.6.6 Tray Empty Sensor
1. Disconnect the AC power and remove the Rear Access Cover.
2. Disconnect P/J4 from the Controller PWB. Reconnect the AC power.
Measure the voltages listed in Table 1 at J4 on the Controller PWB. All
voltages are correct.
Y:
Go to step 3.
N:
Replace the Controller PWB (12.2.3).
3. Disconnect the AC power. Reconnect P/J4 and reconnect AC power.
Measure the voltages listed in Table 2. All voltages are correct.
Y:
Go to step 4.
N:
Check the wiring between the Tray Empty Sensor and P4. If OK, replace
the Sensor (12.2.4).
4. Replace the Controller PWB (12.2.3).
Table 12.6.6.1 Tray Empty Sensor
From
To
Reading
J4 Pin 1
J4 Pin 2
5.0 VDC
J4 Pin 1
J4 Pin 3
0.0 VDC
J4 Pin 2
J4 Pin 3
5.0 VDC
Table 12.6.6.2 Tray Empty Sensor
From
To
Sensor
Actuated
Readings
Sensor
Deactuated
Readings
J4 Pin 1
J4 Pin 2
0.1 VDC
5.0 VDC
J4 Pin 3
J4 Pin 1
1.0 VDC
3.8 VDC
J4 Pin 3
J4 Pin 2
1.2 VDC
1.2 VDC
J6
J5
J4
J3
J8
J9
J2
J1
J7
Denotes Pin #1
RAP_01
3
1
P4
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