Xerox N2125N - DocuPrint B/W Laser Printer, Service Manual

Page: 33 / 335

02/2000
2-16 DocuPrint N2125
RAP 6 , RAP 7
Initial Issue Status Indicator Repair Analysis Procedures
RAP 6 Remove Output From Std Bin (C5)
Error code indicates the output tray is full.
Procedure
There is a paper stack in the standard bin actuating the stack full Sensor.
Y
N
The paper is curled.
Y
N
Lift and release the Stack Full Actuator a few times. The actuator moves freely.
Y
N
Replace Stack Full Actuator (
REP 6.8 ) or Stack Full Sensor ( REP 6.6 ), as nec-
essary.
Enter diagnostics and select Component Test. Scroll to Sensor Input test. Manually
actuate and deactuate the Stack Full Actuator. The number on the LCD incre-
ments each time you lift and release the actuator (the count may have a short
delay because of the sensor circuit).
Y
N
Go to
RAP 35 .
Replace Print Engine Controller PWB ( REP 9.3 ).
Replace paper in paper tray with fresh dry paper. Run test prints. The error code reap-
pears.
Y
N
Problem solved.
Enter diagnostics and select Component Test. Scroll to Sensor Input test. Manually actu-
ate and deactuate the Stack Full Actuator. The number on the LCD increments each
time you lift and release the actuator (the count may have a short delay because of
the sensor circuit).
Y
N
Go to
RAP 35 .
Replace Print Engine Controller PWB ( REP 9.3 ).
Remove the paper stack.
RAP 7 MBF Misfeed (E2)
Paper arrives early or late to the Registration Sensor.
Procedure
Switch the printer power off. Open the Front Cover. Check the MBF Chute for contamination or
obstructions. The MBF is free of contamination, paper, or other obstructions.
Y
N
Clean the MBF and remove the paper or obstruction.
Check the MBF Feed Roll for contamination and wear. The feed roll is clean and in good
condition.
Y
N
Replace the MBF Feed Roll (
REP 4.3 ).
Enter Diagnostics and select Component Test. Scroll to Confirm MBF Feed Solenoid and press
Enter [4]. You can hear the solenoid energize.
Y
N
Go to
RAP 41 .
Open the Front Cover and cheat the Front Cover Interlock. Scroll to Main Motor Operation and
press Enter. The MBF drive gears rotate smoothly.
Y
N
Check, repair, or replace the Drive Gear (
PL 5.1 ), Main Drive Gear Assembly ( REP 8.2 ),
or Main Motor Assembly ( REP 8.1 ) as necessary.
Scroll to Confirm MBF Feed Solenoid and press Enter [4]. The Feed Roll Shaft rotates, the
Pick-up Cams move and allow the Bottom Plate to contact the Feed Roll, and the Feed
Roll Shaft stops after one complete revolution.
Y
N
Remove the MBF Chute Assembly (
REP 4.1 ) and repair of replace the components as
necessary.
Check the Registration Sensor ( RAP 32 ). If the Registration Sensor is good, and the problem
persists, replace the Print Engine Controller PWB ( REP 9.3 ).