Symbol PenWare 1500 Product Reference Manual page 25

Maintaining the PenWare 1500
Cleaning the PenWare 1500
Use a soft cotton cloth lightly dampened with isopropyl alcohol to remove any ink,
fingerprint smudges, and dirt.
Diagnostics
To perform power-on diagnostics:
1. Power up the PenWare 1500. The green LED flashes.
2. Touch the screen to invoke self-test mode. The green LED turns off, and the red
LED turns on.
3. The LCD displays all pixels.
Note: Any communication activity aborts diagnostic mode and returns the
PenWare 1500 to idle mode to wait for a host command.
Chapter 4
4-1