Epson I+ - Manual (Page 104)

If you specified to run the monochrome check multiple times,
this menu of checks does not display and only the first test (option 1) is
performed.
If an error occurs during any of these tests, record the error code and
message, or print them out. Then contact your Epson dealer.
When you finish running the monochrome adapter check, press 0 and
Enter to return to the DEVICE LIST.
Monochrome adapter check
To check the monochrome adapter, press 1 and then Enter.
The computer checks the video RAM display memory) on the display
adapter by writing certain data to memory, then reading it back and compar-
ing it to the written data. The video enable signal of the display controller
chip is also tested.
Attribute check
To check the display attributes of the adapter card, press 2 and then
Enter.
A series of messages are displayed showing examples of all the possible
display attributes (normal intensity high intensity, blinking, reversed charac-
ters, and underlining). Check the information displayed on your screen, and
then respond to the prompt:
Is
the display correct (Y/N)?
Press Y and then Enter if the display is correct.
If the display attributes are not correct, adjust the brightness and
contrast on your display monitor. If they are still incorrect, press N and
Enter.
Contact your Epson dealer to make sure that your monitor is able to
display all the attributes available, and to ensure that your monitor cable is
not damaged.
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