02/2000
2-43
DocuPrint N2125
RAP 50 , RAP 51
Status Indicator Repair Analysis Procedures
Initial Issue
RAP 50 Load MBF (C5)
Procedure
Enter Diagnostics and select Component Test. Scroll to Sensor Input test and press Enter.
Actuate and deactuate the MBF No Paper Sensor. The number on the LCD increments
each time you press and release the actuator.
Y
N
The actuator moves freely and is in good condition (not broken or damaged).
Y
N
Replace the MBF No Paper Sensor Actuator (
).
Switch the printer power off. Remove the Left Interface Cover (
), Left Cover (
), and the Left Plate Assembly (
). Switch the printer power on. On the Print
Engine Controller PWB, measure the voltage between P/J23 pin 14 and frame ground.
The voltage is +3.3VDC with the MBF No Paper Sensor deactuated and 0.0VDC with
the Sensor actuated.
Y
N
Switch the printer power off. Remove the Left Front Cover (
). Switch the
printer power on. On the Connector PWB, measure the voltage between P/J45 pin 3
and frame ground. The voltage is +3.3VDC with the MBF No Paper Sensor deac-
tuated and 0.0VDC with the Sensor actuated.
Y
N
Check the voltage between P/J45 pin 1 and frame ground. The voltage is
1.2VDC.
Y
N
Replace the Print Engine Controller PWB (
).
Replace the MBF No Paper Sensor (
).
Replace the Connector PWB (
).
Replace the Print Engine Controller PWB (
).
It appears that the MBF No Paper Sensor is working correctly. If a problem persists, replace the
Print Engine Controller PWB (
).
RAP 51 Face Up Tray Open (E5)
Procedure
Open the Rear Cover. The printer has a Duplex Unit installed.
Y
N
Replace the Print Engine Controller PWB (
).
Check the Face Up Tray Sensor Actuator on the Rear Cover. The actuator is in good condi-
tion.
Y
N
Replace the Rear Cover (
).
Cheat the Rear Cover Interlock. Enter diagnostics and select Component Test. Scroll to Sensor
Input Test and press Enter. Use a piece of paper to block and unblock the Face Up Tray Sen-
sor. The number on the LCD increments each time you block and unblock the sensor.
Y
N
On the Face Up Tray Sensor, check the voltage between pin 1 (pin to the rear of the
printer) and frame ground. The voltage is 0.0VDC with the sensor unblocked and
3.3VDC with the sensor blocked.
Y
N
Check the voltage between pin 3 on the sensor and frame ground. The voltage is
1.2VDC.
Y
N
Switch the printer power off. Remove the Left Interface Cover (
), Left
Cover (
), and the Left Plate Assembly (
). Switch the printer
power on. On the Print Engine Controller PWB, check the voltage between P/
J34 pin 11 and frame ground. The voltage is 1.2VDC.
Y
N
Replace the Print Engine Controller PWB (
).
Check the wiring harnesses. If the harnesses are in good condition, replace the
Duplex PWB (
).
Replace the Face Up Tray Sensor (
).
Switch the printer power off. Remove the Left Interface Cover (
), Left Cover (
), and the Left Plate Assembly (
). Switch the printer power on. On the Print
Engine Controller PWB, check the voltage between P/J34 pin 11 and frame ground. The
voltage is 0.0VDC with the sensor unblocked and 3.3VDC with the sensor blocked.
Y
N
Check the wiring harnesses. If the harnesses are in good condition, replace the
Duplex PWB (
).
Replace the Print Engine Controller PWB (
).
Replace the Print Engine Controller PWB (
).
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Summary of Contents for N2125N - DocuPrint B/W Laser Printer
Page 11: ...02 2000 1 2 DocuPrint N2125 Initial Issue Service Call Procedures...
Page 17: ...02 2000 1 8 DocuPrint N2125 1 5 Initial Issue Service Call Procedures...
Page 19: ...02 2000 2 2 DocuPrint N2125 Initial Issue Status Indicator Repair Analysis Procedures...
Page 73: ...02 2000 2 56 DocuPrint N2125 RAP 66 Initial Issue Status Indicator Repair Analysis Procedures...
Page 75: ...02 2000 3 2 DocuPrint N2125 Initial Issue Image Quality Repair Analysis Procedures...
Page 103: ...02 2000 4 4 DocuPrint N2125 Introduction Initial Issue Repair Adjustment...
Page 111: ...02 2000 4 12 DocuPrint N2125 REP 1 11 REP 1 12 Initial Issue Repair Adjustment...
Page 117: ...02 2000 4 18 DocuPrint N2125 REP 2 5 Initial Issue Repair Adjustment...
Page 135: ...02 2000 4 36 DocuPrint N2125 REP 4 10 Initial Issue Repair Adjustment...
Page 153: ...02 2000 4 54 DocuPrint N2125 REP 7 4 REP 7 5 Initial Issue Repair Adjustment...
Page 165: ...02 2000 4 66 DocuPrint N2125 REP 9 12 Initial Issue Repair Adjustment...
Page 177: ...02 2000 4 78 DocuPrint N2125 REP 10 18 Initial Issue Repair Adjustment...
Page 191: ...02 2000 4 92 DocuPrint N2125 REP 11 19 REP 11 20 Initial Issue Repair Adjustment...
Page 201: ...02 2000 4 102 DocuPrint N2125 REP 12 13 REP 12 14 Initial Issue Repair Adjustment...
Page 213: ...02 2000 4 114 DocuPrint N2125 REP 13 17 Initial Issue Repair Adjustment...
Page 215: ...02 2000 4 116 DocuPrint N2125 ADJ 1 1 Initial Issue Repair Adjustment...
Page 217: ...02 2000 5 2 DocuPrint N2125 Initial Issue Parts list...
Page 241: ...02 2000 6 2 DocuPrint N2125 Initial Issue General Procedures Information...
Page 243: ...02 2000 6 4 DocuPrint N2125 Introduction Initial Issue General Procedures Information...
Page 263: ...02 2000 6 24 DocuPrint N2125 GP 2 11 Initial Issue General Procedures Information...
Page 297: ...02 2000 6 58 DocuPrint N2125 GP 4 1 Initial Issue General Procedures Information...
Page 299: ...02 2000 6 60 DocuPrint N2125 GP 5 1 Initial Issue General Procedures Information...
Page 301: ...02 2000 7 2 DocuPrint N2125 Initial Issue Wiring Data...
