Xerox 3050 Service Manual page 606

To Enter Multiple
Codes (Chaining)
The Roll 1 button i s used when entering more
than one code. Enter the desired code. If the
code can be chained, ROLL 1 TO CHAIN
will
appear on the message display. Press the Roll
1 button, then enter the next code.
To Exit the Multiple Codes
Multiple codes can be switched off by two
methods.
Enter the codes in the reverse sequence
from how they were entered, pressing the
Stop
button after each code.
Press and hold the
P
button while pressing
the Stop button. This will clear all the
codes that were entered.
Special Tests
The following tables give special diagnostic
tests
that are used to enable or disable features
or to change the operating parameters of the
copier. To enter a special test, the copier must
first be in the diagnostics mode.
Each special test has a value that is stored in
non-volatile memory (NVM). If there i s a
default value, it is found in the Value column.
NVM values may be changed by entering the
special
test,
pressing the
Start button,
and then
using the
Copy
contrast UP and DOWN arrow
keys to select the desired NVM value. To enter
the selected value, press the Start button
again. To exit the test, press the
Stop
button.
If there is a reference to a procedure, the
procedure must be followed in order to
correctly perform the test.
10192
Diagnostics
6-4 3050