Special Tests - Xerox 3001 Service Manual

Special Tests
Description
Fuser Temperature
Adjustment. In order t o
increase the fuser
temperature, press the
A
button. In order t o reduce
the temperature, press the
V
button. The value is
between 1 and 9.
Timeout t o Power Saver
(USO), (XLA 60 Hz) or Low
Power (RX), (XLA 50 Hz)
Mode. This is the amount of
time from the ready mode t o
the power saver (USO), (XLA
60 Hz) or low power (RX),
(XLA 50 Hz) mode and P
(USO), (XLA 60 Hz) or L (RX),
(XLA 50 Hz) is displayed. The
time is 45 seconds plus 15
multiplied by this value. In
order t o increase the time,
press the
CI
button. In
order t o reduce the time,
press the
V
button. Each
increment represents 1 5
seconds. The value is
between 1 and 9. The range
of values
i s
from 60 t o 180
seconds.
-
Code
-
2
-
3
-
4
-
Description
Lead Edge Margin. The
length of the lead edge
margin is adjustable. The
length
is
equal t o 0.25 inches
(6.4mm) times this value.
The value is between 1 and
12.
The Default Features
Selected. This test will allow
the default selection of the
control panel t o be changed.
Use the control panel
buttons t o select the desired
features, cut sheet feeder
select, and the copy count.
Press the Start button t o
enter this selection into
memory. The control panel
will be cleared and the
diagnostic test code will be
displayed.
Toner Concentration. The
toner concentration can be
selected. The value is
between 1 and 9. The toner
concentration is adjusted
while performing the
adjustment image Density
ADJ
9.4
-
Value
-
6
-
-
-
Code
-
5
See
the
note.
-
6
-
7
-
Description
Illumination Set-up. This test
is used with an electrometer
to measure the background
voltage. The
A
and
V
buttons are used t o
increase or decrease the
amount of exposure. The
value is between 1 and 9.
Charge Set-up. (See the
note.) This test is used t o
adjust the charge corotron
current. The adjustment is
made on the high voltage
power supply.
The Multiple Copy
Registration Set-up. This test
is used t o adjust the
registration for the multiple
copy mode.
Refer t o Registration ADJ 8.1.
-
Value -
3
-
-
5
-
NOTE: This test will switch on the main drive
motor. In order for the main drive motor to
run, the fuser must be a t the correct
temperature.
Continued
12/98
3001 6-3
Diagnostics