Hardware Tests - Samsung ER-550 Operator's And Programming Manual

Hardware Tests

This operation enables a technician to perform self tests on the cash register hardware.
1. Turn the Control lock to the SERVICE MODE position. The SERVICE MODE menu
displays:
2. Press 0 to display the HW TEST MODE screen.
3. Press:
152
SERVICE MODE
0. HW TEST
1. CLEAR ALL TOTALS
2. CLEAR GRAND TOTAL
3. EPROM INFO.
HW TEST MODE
0. TEST PRINTER
1. TEST DISPLAY
2. TEST KEYBOARD
3. TEST PORT
4. TEST PRINTER,
DISPLAY, DRAWER
The printer will print a test pattern.
0
1 The screen will display a test pattern. Press CLEAR to exit
the test.
2 The keyboard test begins. The screen will provide
instructions. Press CLEAR to exit the test.
The communications port is tested. (Loop back connector
3
must be installed to perform this test.)
4 The printer will print a test pattern. The screen will display a
test pattern. The drawer will open. Press CLEAR to exit the
test.
Samsung ER-550 Electronic Cash Register