E L Media Jam Rap - Xerox 3001 Service Manual

E l Media
Jam
RAP
This code is displayed i f the media does not
reach the motion sensor within 5 seconds of
start of media feed.
NOTE: The circuit diagrams are on the next
three pages,
The main drive motor started turning when
the display indicated L3.
I
Go t o the 4.1 Main Drive Motor RAP.
Insert the media into the copier.
The media fed into the copier.
Y N
Connect the
(-)
to the GND test point on
the HVPS.
There is
+
24 VDC at pin 5 of P I 4 of the
Control PWB.
Go t o FLAG 1 and check the wiring
for an open circuit between the
media feed clutch and the Control
PWB.
If there i s no open circuit, then
replace the media feed clutch.
B
Enter the code [ I I].
The voltage goes from
+
24 VDC t o less
than
+
1 VDC.
Y N
I
Replace the Control PWB.
Check the mechanical drives to the
media feed clutch for damage.
If there is no damage, replace the media
feed clutch.
Remove the media.
WARNING
There will be a time delay between the time
the code
[lo]
is entered and the time the
motor starts to turn. The motor will not
start until the fuser is at the correct
temperature.
In the following procedure, [lo] will switch
on the main drive motor, [ I I ] will energize
the feed clutch, and [37] will test the motion
sensor.
Enter the following codes [lo, I I , and 371 to
check the motion sensor.
Insert a sheet of media in order to be able to
test the motion sensor.
The TracingNellum LED goes off and on
when the wheel is rotated.
The LED is always lit.
Y N
Check the motion sensor wheel for
damage.
Go t o FLAG 2 and check the wiring
for a short circuit to the frame.
Check the motion sensor wheel for
damage.
Go to FLAGS 2 and 3 and check the
wiring for an open circuit.
Check all of the mechanical drives to the
feed-in rolls, and the condition of the drive
rolls.
Check for any obstructions in the turnaround
baffle, and sensure that the baffle is in the
correct position.
12/98
E l Media Jam RAP
2-20 3001