Service manual

REPAIR

Troubleshooting

SERVICE MANUAL

3-18

7.3. Self-Test Mode

There are six tests types available in Self Test mode: (1) LCD Display tests, (2) Printer

Checks, (3) Keyboard Test, (4) FDD Tests, (5) PE (Paper Exist), (6) CR (Carriage Reset

to Home Position), and (7) RS-232C Test.

(1) From the Main Menu, press the CODE + SHIFT + BACKSPACE keys, and the menu

shown below displays.

(2) Press the character key for the desired test:

<14-line model and 10 inch VGA model>

SELF TEST MENU

**********

Please select the number. Press CANCEL to finish.

←

→

2HD

DISPLAY 1

PRINTER 2, 3

KEYBOARD 4, 5, 6

FDD 7, 8, 9, D, E

PE A

CR B

RS-232C C

SERIAL NO. S [XXXXXXXX]

DISK TYPE. T 2DD

<7-line model>