Epson 20 Manuel D’Utilisation

When the DEVICE LIST is correct, press 0 and then 

Enter. 

The

screen displays the modified DEVICE LIST for a final check. If the
list is correct, press Y and 

Enter.

You are now ready to select a test.

From the DEVICE LIST, select the device you wish to test. Type the

number of the device, then press 

Enter. 

Before the test begins, you

are asked how many times to perform the test. You see this menu:

Number of times to test device

1 - Run test one time

- Run test multiple times

0 - Exit

Enter selection number:

You can specify that the test be performed one time only or any
number of times in the range from 1 to 9999. Running a test multiple
times is for reliability testing of essential functions only; in most cases,
running a test only once is sufficient.

To perform the test once, press 

1 

and 

Enter. 

The program then

displays a submenu of more detailed tests for the device you are

checking.

To perform the test multiple times, press 2 and 

Enter. 

You see this

prompt:

Terminate checking if an error detected (Y/N)?

Performing