Rap 50 Load Mbf (C5); Rap 51 Face Up Tray Open (E5) - Xerox DocuPrint N2125 Service Manual

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
1.2), and the Left Plate Assembly
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
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
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 (REP 9.3).
Initial Issue
DocuPrint N2125
(REP 4.5).
(REP 1.1), Left Cover
(REP 1.11). Switch the printer power on. On the Print
(REP 1.7). Switch the
(REP 9.3).
(REP 4.8).
(REP 9.7).
(REP 9.3).

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
(REP
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.
voltage is Y N
Switch the printer power off. Remove the Left Interface Cover
Cover
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
1.2), and the Left Plate Assembly
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
02/2000
2-43
(REP 9.3).
(REP 1.8).
(REP 1.2), and the Left Plate Assembly
(REP 12.4).
(REP 12.14).
(REP 1.11). Switch the printer power on. On the Print
(REP 12.4).
(REP 9.3).
(REP 9.3).
Status Indicator Repair Analysis Procedures
(REP 1.1), Left
(REP 1.11). Switch the printer
(REP 9.3).
(REP 1.1), Left Cover (REP
RAP 50 , RAP 51