DMP-240  (260-2839)            Selftest                Faxback Doc. # 4358

To check how the printer operates, how the print looks, or what data is 
received from the computer. To activate a given function, turn on the prin-
ter while holding down the indicated keys:

LF/FF/JUMP - Self-test
ONLINE and LF/FF/JUMP - Printing alignment test (H pattern)
SELECT/QUICK - Hex dump

Press ON LINE to stop test printing. Press ON LINE again to start test 
printing again. Turn off the printer to exit the test mode.

SELF TEST
You can check the print quality and general printer operation before you 
begin using the printer. If the color motor and color ribbon are installed 
and the appropriate settings are selected, you can also check color print-
ing.

Before running the self-test, be sure to load the printer with paper that 
is at least eight inches wide. This prevents printing on the platen because
the test prints lines that cover a width of eight inches.

CAUTION: Printing on the platen can shorten the life of the platen can 
shorten the life of the platen and the print head.

The printer prints one full page of the ASCII 96 characters in the various
fonts programmed into the printer (until it detects a paper out condition).

The display shows TEST/SLIDE during printing.

PRINTING ALIGNMENT TEST
You can check the printing alignment by printing repetitions of the charac-
ter H. The display shows TEST/MAINTE during printing.

HEX DUMP
When the printer enters the hex dump mode, the display show TEST/HEX DUMP. 
If data is received from the computer in this mode, the printer dumps the 
data in hexadecimal. This feature is useful in program debugging.

(css 07/27/93)