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10.
LCD DISPLAY
-
REMOVAL AND REPLACEMENT
10.1 Removing the LCD Display
1.
Open up the unit as described in para.
2.
2.
Remove the paper compartment cover.
2.
Turn the top cover upside down.
3. Unplug the cable connecting the thermal printhead to the interface print.
4.
Remove the two screws securing the thermal printhead.
5. Remove the thermal printhead (watch out for the washer and the pressure spring!).
6. Remove the four securing screws and remove the LCD display.
7. Make sure that any debris resulting from a broken or cracked screen are also removed (bits may be
lying loose under the LCD display).
10.2 Installing an LCD Display
1. If
necessary, inserta new screen and install the LCD display securing it with the four screws (protective
washers).
2.
Take the thermal printhead and place the two pressure springs in their respective indentations ensur-
ing that the washers are located exactly over the securing holes.
3. Locate the thermal printhead ensuring that the washers are not displaced.
4.
Secure the printhead with the two screws (protective washers).
5. Plug the connecting cable into the interface print.
6. Plug
in the connecting cables at the back (LCD display, thermal printhead interface, paper mark
detector) then with the top cover partially closed, attach the four remaining cables (thermal printhead,
power connection, single cable for keyboard, motor connection, keyboard).
NOTE:
Make sure that the connections for the motor, thermal printhead power connection and the
single cable for the keyboard are lying on top of the mains transformer.
7. Secure the unit with the four screws.
8. Insert the white contrast knob into its recess on the right-hand side of the unit.
9. Replace the paper compartment cover.
8-1 5
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