Cq 27 Exposure Rap - Xerox 2510 Service Manual

CQ
27 Exposure RAP
This RAP i s used i f there i s no exposure or an
excessive amount of exposure. No exposure
will give a black copy and an excessive
amount of exposure will give a washed out
C O P Y
-
I
Ensure that connectors
P I
1 of the Control
PWB and P21 and P2Z of the lamp ballast are
connected correctly. Ensure that the
exposure lamp sockets ore not damaged and
the lamp i s fully i n the lamp sockets. Ensure
that the clear slot is facing the Illumination
Sensor
NOTE: Do not leave the exposure lamp on
for an extended amount o f time.
The photorecptor drum could be
damaged by the light shock.
Enter the code
F.
The exposure lamp lights.
The lamp filaments are on.
Y N
There i s -1-0.7 VDC between pins 4
( + ) and 3
( 0 )
of P I 1 on the Control
PWB,
Y N
Go to FLAG 1 and check the
wiring between the Control PWB
and the lamp ballast for an open
circuit.
If there is no open circuit, replace
the Control PWB.
Replace the lamp ballast.
There is
+
24
VDC between pins
6 (
+
)
and 3 (-)of
P I 1
on the Control
PWB.
Y N
Go to FLAG 2 and check the wiring
between the Control PWB and the
lamp ballast for an open circuit.
If there i s no open circuit, replace the
lamp ballast.
Press Stop then Start. The voltage
between pins 6 ( + ) and 3 (-) of PI1 on
the Control
PWB
goes from
+
24
VDC to
+
0.6
VDC.
(
Replace the Control PWB.
Replace the lamp bnllnst
If the problem
still
exists, replace the
exposure lamp.
connect the multimeter to P11-7
(
+
)
on the
lamp ballast PWB. Connect the
(-)
to ground.
CAUTION
(2510,2515 WIO Tag 2, 7, or 89): To prevent
damage to the drive gears; before entering
any diagnostic test which requires the use of
the main drive motor [ A ] ; always enter the
codes [L] cleaning blade solenoid, [g] fuser
and
[J]
cooling fans first, and then allow the
copier to operate for at least 2 minutes.
Then press code
[A]
to start the main drive
motor.
WARNING
(2515 W/ Tags 2,7, or 89): There will be a
time delay between the time the code [A] is
entered and the time the motor starts to
turn. The motor will not start until the
fuser is at the correct temperature.
(251 0,251 5 W/O Tag
2
or
89):
Enter the diagnostic mode.
0
enter code [L] and press Start.
enler code [g)
and
press Start.
enter code
IJI
and press Start.
0
wait
a t
least
2
minutes.
0
enter code [A] and press Start.
enter code
[5]
and press Start.
Record the existing NVM value. Observe
the meter indication. Observe the
multimeler. Scroll to
a
value of
9,
press
Start, continue scrolling past
9
t o a value of
1
press Start.
(2515 W/ Tag 2,7, or
89):
Enter the diagnostic mode.
enter code [5] and press Start.
Record the existing NVM value. Observe
the meter indication. Observe the
multimeter. Scroll to a value of 9, press
Start, continue scralling past
9
to a value of
1
press Start.
-
-
-
- -
- -
C Q 27 Exposure RAP