Diagnostic Tests; Input Diagnostic Test Procedure; Output Diagnostic Test Procedure - Xerox 3001 Service Manual

Diagnostic Tests
Input Diagnostic Test Procedure
Output Diagnostic Test Procedure
This section contains the Input and Output
diagnostic test procedures.
To Enter the Diagnostic Mode:
The diagnostic mode is entered by pressing
and holding the Bond and Film buttons
while switching on the copier. Once the
copier i s in the diagnostic mode, all the
lamps on the control panel will light for
approximately three seconds, then they will
no longer be lit. After about 3 seconds a 7L,
6L, or another number may be displayed.
This
ZL
number indicates the software level
of the control
PWB. A
zero,
0,
will then be
displayed indicating that the diagnostic
mode is ready.
Use the
A
)button, next to the Display
Window, t o scroll up through the list of
diagnostic code numbers and use the
v
button to scroll down through the l i s t of
diagnostic code numbers.
Press the Start button to start the diagnostic
test.
To Exit the Diagnostic Mode:
Press the Stop button in order to exit the
diagnostic test. Enter the code [I71 in order
t o exit the diagnostic mode.
The code [37] is the input diagnostic test that is
used t o check the electrical input signals from
switches or sensors.
1. Enter the diagnostic mode.
2. Enter the code [37].
3. Refer t o the following table t o determine
which LED will indicate the signal level for
the component that i s being tested.
LED Component Tested
Vellum (USO) Motion Sensor
Tracing (EO) Motion Sensor
QQ
Film Front Document Sensor
Scale Adjust Rear Document Sensor
Bond Media Prefeed Sensor
4.
Manually operate the component being
tested.
5. The LED will light when the sensor is
blocked.
6. Press the Stop button in order to exit the
Diagnostic Test.
In order to test the motion sensor, enter
The output diagnostic test is used to ensure
that the electrical signals for output
components are operating correctly. The
output diagnostic test allows operation of
the individual output component to verify i t s
operation.
1. Enter the diagnostic mode.
2.
Use the
A
button to scroll up through
the l i s t of diagnostic code numbers and
use the
V
button t o scroll down
through the l i s t of diagnostic code
numbers.
3. Press the Start button in order to check
the component.
4 . Press the Stop button in order to exit the
Diagnostic Test.
5. Enter the code [I71 in order to exit the
diagnostic mode.
Code Component Tested
Main Drive Motor
Q
Media Feed Clutch
High Voltage Power Supply Enable
Toner Dispense Solenoid
Transfer Corotron
Exposure Lamp
Control Panel Beeper Test
Cooling Fan
Cleaner Blade Solenoid
the code [I 01 to run the main drive
20
Copy Counter
motor and then enter the code [ I I ] to
energize the media feed clutch. Enter
Code 10 should be used in conjunction with
codes 12.
14. 15.
and 19. This is necessarv to
Q
The fuser must be at the correct
temperature i n order to switch on the
main drive motor.
- -
p p
Diagnostics