Combined Output Diagnostic Test
This procedure allows the testing of two or
more components at the same time.
Enter the diagnostic mode.
Press the Copy Contrast
UP
or
DOWN
button until the
TEST
indicator for the
component to be tested
is
displayed.
Press the Start button, and the component
will operate.
Repeat steps
2
and
3
for the remaining
components to be tested.
Press the Stop button in order to exit the
Diagnostic
Test.
Image
on
Drum
(Panic
Stop) Procedure
This procedure allows the isolation of copy
quality problems by observing the image on
the drum before transfer of the toner to the
media. If the defect
is
visible on the drum
before transfer, the defect
is
related to the
charge, the image, or the developer. If the
defect
is
visible on the copy after transfer, the
defect
is
related to the transfer or fuser.
1.
Enter the code [5] and insert test pattern,
82E5020; press the
Stop
button when the
test pattern
is
almost half way into the
document handler.
2.
Remove the developer module.
3.
If
the defect
is
visible on the developed
imogo,
the
dafoct
caw
is
rolatad
to
tho
charge, the image, or the developer. If the
defect
is
not visible, the defect cause
is
related to the transfer or the fuser.
The
De-Toning Procedure
(251
5
only)
This procedure reduces excessive
concentration of toner in the developer
material.
1.
Enter the diagnostic mode.
2. Enter the code
[4]
and adjust the value
to[51.
WARNING
(251 5
WI
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 5
WIO
Tag 2,7, or
89):
3.
Enter the following codes.
Enter the code
[L]
and press Start to
energize the cleaning blade
solenoid.
Enter the code
[j]
and press Start to
switch on the coolong fans.
Enter the code [g] and press Start to
switch on the fuser.
Allow two minutes for the fuser to
heat up and then enter the code [A]
and press Start to switch on the
main drive motor.
Enter the code
[C]
and press Start
to switch on the high voltage
power supply.
Enter the code
[Y]
and press
Start
to monitor the toner sensor.
(251
5
WI
Tag 2,7, or
89):
3.
Enter the following codes.
a. Enter the code
[L]
and press Start to
~
energize the cleaning blade
solenoid.
b. Enter the code
[A] and press Start
to switch on the main drive motor.
c.
Enter the code [Cl and press Start
to switch on the high voltage
power supply.
d.
Enter the code
[YJ
and press Start
to monitor the toner sensor.
4.
Allow th ecopier to run until the value
of code
[Y]
is
at
4,
then press Stop. The
developer material
is
now detoned
below the value of
5
adjusted in Step
2.
5.
Exit
the diagnostic mode. Loosen the
latch on the right side of the Upper
Rear Cover. Pull
bock
the
cover to
observe the toner cartridge. Press Start
and allow the copier to cycle until the
cartridge begins moving slowly for
approximatly one minute.
6.
Return to the procedure that refered
you to this procedure.