Printer Interface Cable - Xerox DOCUPRINT N17 Service Manual

12.6.7 Printer Interface Cable

1. Disconnect the AC power and remove the Rear Access Cover.
2. Reconnect the AC power. Measure the voltage from P/J7 pin 4 to pin 5.
The voltage is 5.0 +/- 0.25 VDC.
Y: Go to step 3.
N: The printer is not supplying 5.0 VDC to the High Capacity
Feeder. Troubleshoot the printer.
3. With the paper tray in the feed position, measure the voltage from P/J7
pin 3 to pin 5. The voltage is correct for the setting of the Paper Length
Guide (Table 1).
Y: Go to step 4.
N: Perform procedure (12.6.4) Paper Size Switches.
Paper Length Guide set to:
From
P/J7 Pin 3 P/J7 Pin 5
4. Measure the voltage from P/J7 pin 2 to pin 5. The voltage is 5.0 +/- 0.3 VDC with
the feeder in a no paper condition and 0.0 VDC with paper in the feed position.
Y: Go to step 5.
N: Perform procedure (12.6.6) Tray Empty Sensor.
5. Measure the voltage from P/J7 pin 1 to pin 5. Initiate a test print. The voltage
pulses from 5.0 +/- 0.3 VDC to 0.0 VDC during a paper feed cycle.
Y: Go to step 6.
N: The problem appears to be in the printer. Troubleshoot the printer.
6. All signals between the printer and the feeder are correct. Return to Initial Actions and continue.
High Capacity Feeder Option
Table 12.6.7.1 Paper Size Voltage
Letter
To
3.5 VDC 2.1 VDC
www.printcopy.info
A4 Folio Legal
2.5 VDC 3.3 VDC
6/98
12-36 Xerox DocuPrint N17 Service Manual
J6
J5
J2
J4
J1
J3
J8
J7
J9
Denotes Pin #1
RAP_01