Xerox 8830 Service Manual page 238

( To enterihe Diagnostic Mode
and holding the zero (0) button while switching
on the printer. The Diagnostic Mode may also
be entered from the Control Panel by entering
the Printer Menu>,IOT Diagnostics,
entering the password (6789).
When entering the diagnostic mode, the
Message Display will indicate the Copyright
message, the message ROM configuration,
and the software revision level.
The following message will be displayed when
the diagnostic mode is entered.
CHAIN 00 PRESS ENTER TO BEGIN
PLEASE ENTER THE CHAIN NUMBER
Enter the first two digits of the code and press
Enter button, then enter the second two digits
of the code, and press the Enter button to
begin the test.
The Control Panel buttons are identified in the
following diagram:
Previous Next Enter
The code entered will be displayed on the
Control Panel. The test name will be in the
bottom line of the display along with test
feedback information. There also may be
additional information displayed depending on
the test being run.
The Exit button is used to stop the tests.
The Exit button is used to clear the entry
Diagnostics
The Test Codes consist of a chain number
and a test number. The chain numbers
correspond to the same chain numbers that
are used in the Service Manual to identify
functional areas in the printer. The test
numbers are sequential numbers to identify
and
the tests within a chain.
The chain numbers used are listed below
Chain Functional Area
Number
01 Standby Power
User Interface (Control Panel)
02
03 Printer Run Control
04
Drives
06 Exposure
07 Media Supply
08 Media Transportation
09
10 Fusing/Print Transportation
11 Finishing
14
Communication
To exit the Diagnostic Mode
power off, wait 5 seconds, then switch it on.
2. Enter the Test Code
3. Press the Enter button to begin the test.
4. Manually operate the component that is to
be tested.
5. The condition of the component will be
indicated in the message display window.
The state of the component is indicated by
a 0 for low state and a 1 for high state
6. Press the Exit button to stop the
diagnostic test
1/98
7. Press the Exit button again to clear the
chain
8830