Xerox N2125N - DocuPrint B/W Laser Printer, Руководство по обслуживанию

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02/2000
2-49 DocuPrint N2125
RAP 57
Status Indicator Repair Analysis Procedures Initial Issue
RAP 57 Offset Jam Open Rear Cover (E6-X)
Paper late to OCT sensor, paper late off OCT sensor, or paper on OCT sensor at power on.
Procedure
Open the printer Rear Cover and the OCT Rear Cover. Check for paper or other obstructions in
the paper path. The printer if free of jammed paper, paper scraps, or other obstructions.
Y
N
Clear all jammed paper, paper scraps, and obstructions from the printer and the OCT.
Run 15 to 20 test prints, output to OCT. The error code reappears.
Y
N
Problem Solved
Enter Diagnostics and select Component Test. Scroll to Sensor Input test and press Enter.
Open the OCT Rear Cover. Actuate and deactuate the OCT Exit Sensor Actuator. The num-
ber on the LCD increments each time you press and release the actuator.
Y
N
Switch the printer power off. Remove the Left Interface Cover (
REP 1.1 ), Left Cover ( REP
1.2 ), and the Left Plate Assembly ( REP 1.11 ). On the Print Engine Controller PWB, check
the voltage between P/J35 pin 7 and frame ground as you actuate and deactuate the OCT
Exit Sensor Actuator. The voltage is 3.3VDC when deactuated and 0.0VDC when
actuated.
Y
N
Replace the OCT Exit Sensor (
REP 10.11 ). If the problem persists, replace the OCT
PWB ( REP 10.7 ).
Replace the Print Engine Controller PWB ( REP 9.3 ).
Exit Sensor Input test and scroll to OCT Motor Operation. Press Enter. The OCT Motor runs.
Y
N
Switch the printer power off. Remove the Left Interface Cover (
REP 1.1 ), Left Cover ( REP
1.2 ), and the Left Plate Assembly ( REP 1.11 ). Enter diagnostics and select Component
Test. Scroll to OCT Motor Operation. On the Print Engine Controller PWB, check the volt-
age between P/J35 pin 6 and frame ground. Press Enter. The voltage drops from
3.3VDC to 0.5VDC when the Enter Key is pressed.
Y
N
Replace the Print Engine Controller PWB (
REP 9.3 ).
Switch the printer power off. Remove the OCT from the printer ( REP 10.1 ). Turn the OCT
up side down. Disconnect P/J210 from the OCT PWB. Check the resistance between pins
1 and 4, pins 1 and 6, pins 2 and 3, and pins 2 and 5 on the disconnected plug. All read-
ings are 70 ± 10 ohms.
Y
N
Replace the OCT Motor (
REP 10.8 ).
Replace the OCT PWB ( REP 10.7 ).
Open the OCT Rear Cover. Check the OCT rollers. The OCT Rollers are rotating smoothly.
Y
N
Repair or replace the OCT Rollers as necessary (
REP 10.14 / REP 10.15 ).
Switch the printer power off. Remove the OCT ( REP 10.1 ). Open the printer rear cover and
check the movement of the Exit Gate. The Exit Gate moves freely in both directions when
pressed and released.
Y
N
Repair or replace the Exit Gate as necessary (
REP 6.4 ).
Reinstall the OCT. Each time the printers’ rear cover or front cover is opened and closed with
power applied, the printer performs a reset. At the completion of the reset, the Exit Gate tog-
gles between fully open and fully closed positions. Open the printer rear cover. Switch the
printer power on. Cheat the Rear Cover Interlock and watch the Exit Gate at the end of reset.
Remove then replace the Rear Cover Interlock cheater. The Exit Gate toggles at the com-
pletion of each reset.
Y
N
Replace the Direction Solenoid (
REP 10.10 ). if the problem persists, Replace the OCT
PWB ( REP 10.7 ).
Replace the OCT PWB ( REP 10.7 ). If the problem persists, Replace the Print Engine Control-
ler PWB ( REP 9.3 ).
A
A
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