Power Switch In The I Position (On) - Compuprint L03 User Manual

4. If you need to turn the printer on, press the power switch in the I position
(ON).
Figure 16. Power switch in the I position (ON)
Attention: If, for any reason, the Controller Board was not correctly installed in
the printer, the printer will not work and the following audio/visual symptoms
will occur:
v The buzzer sounds continuously
v The Operator Panel display is partially filled with solid black boxes
v The Operator Panel LEDs are all lit.
If this is the case, power off the printer, re-seat the Controller Board, and power
the printer on again.
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Chapter 2. Setting Up Your Printer