Xerox 8830 Service Manual page 429

Diagnostics
Introduction
This subsection describes the use of the diagnostics software to isolate faults in the 8830 DOS
system. The diagnostic software enables access to the diagnostic) routines contained in the
Scanner.
Using the Diagnostic Software - Key Properties
In order to navigate through the Diagnostics menu the properties of the buttons located
below the LCD must be understood. The following list gives a brief explanation of the proper-
ties of the control buttons.
1
NOTE: There is an 8830 System Administrator Menu that la used to modify Security Settings,
Job Accounting, Change Password functions, etc. The password to this menu Is 88300. Do not
advise anyone but the site System Administrator of this password.
NOTE: The Diagnostic Password Is 6789. This allows the Customer Service Representative
access to Stitch Alignment and Set Machine Motor Speed settings as well as the installa-
tion Teat Print (See Figure 2).
NOTE: Ensure that a single short chirp sound is heard when pressing one of the selection keys
located beneath the LCD. Three short chirps is an indication of an invalid selection for that par-
ticular menu item.
• Menu • The MENU key is used to enter and exit the Main Menu, When the 8830 DDS
Control Panel is in a READY state, pressing this key displays the top menu of the Main
Menu Tree. While the Control Panel is displaying a Main Menu tree screen, pressing this
key is equivalent to repeatedly pressing the EXIT key until the Control Panel returns to the
previous READY state.
NOTE: The presence of arrows on the right side of the LCD display indicates that there
are additional items at that particular level that will have to be scrolled to in order to be
visible.
• Previous - The PREVIOUS key is used to select the previous item in a list.
• Next - The NEXT key is used to select the next item in a list.
• Enter • The ENTER key is used for the entry of a numeric value or lock in the currently
selected choice from a list.
• Exit • The EXIT key is used to cancel an operation and return to a parent display.
• Mode • The MODE key is valid only when a Ready screen is displayed. It is used to tran-
sition between Ready states. (For example, between Ready-to-Copy and Ready-to-
Scan.) When depressed, the MODE key changes from one state to the next state listed
on the display.
8830
3/9*
DDS 6-3
General Procedures
Diagnostics