Paper Feed Motor Assembly - Xerox DOCUPRINT N17 Service Manual

12.6.3 Paper Feed Motor Assembly

1. Disconnect the AC power and remove the Rear Access Cover.
2. Disconnect P/J1 from the Controller PWB. Make the measurements
listed in Table 1. All measurements are correct.
Y: Go to step 3.
N: Replace the Paper Feed Motor Assembly (12.2.4).
From
P1 Pin 1
P1 Pin 1
P1 Pin 2
P1 Pin 2
3. Reconnect P/J1 and reconnect AC power. Measure the voltage
between pins 1 and 5 on P/J7 on the Controller PWB. Initiate a test
print. The voltage pulses from 5.0 VDC to approximately 0.0 VDC when
the printer initiates a paper feed signal.
Y: Go to step 4.
N: The problem appears to be in the printer.
4. Initiate a test print and measure the voltages listed in Table 2 during a paper feed cycle. The
voltages are correct.
Y: Go to step 5.
N: Replace the Controller PWB (12.2.3).
5. Check the paper feed assembly for binding, loose or defective components, or defective feed
rolls. If the assembly is OK, replace the Paper Feed Motor (12.2.4).
High Capacity Feeder Option
Table 12.6.3.1 Paper Feed Motor
To
P1 Pin 4
P1 Pin 6
P1 Pin 3
P1 Pin 5
Table 12.6.3.2 Paper Feed Motor
From
P/J1 Pin 1 P/J1 Pin 4
P/J1 Pin 1 P/J1 Pin 6
P/J1 Pin 2 P/J1 Pin 3
P/J1 Pin 2 P/J1 Pin 5
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Reading
32 +/- 3 ohms
32 +/- 3 ohms
32 +/- 3 ohms
32 +/- 3 ohms
To Reading
11 +/- 2.0 VDC
11 +/- 2.0 VDC
11 +/- 2.0 VDC
11 +/- 2.0 VDC
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J6
J5
J2
J4
J1
J3
J8
J7
J9
Denotes Pin #1
RAP_01