Epson SQ-B50/2550 Technical Manual page 53

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REV.-A
1.4.2 Reset Function
This section describes the printer initialization (reset) operations and their timings, and the default
values.
1.4.2.1 Initialization Timing and Operation
The following shows the timings when printer initialization is executed systematically:
Initialization
Hardware reset
• Internal power reset circuit (when the printer power is turned on
or off)
• When the INIT signal is received from the host computer: (NOTE)
• When reset operation is executed manually:
Press both the ON LINE and LOAD/EJECT switches,
simultaneously.
Software reset
• When the ESC
@
code is received from the host computer:
Hardware reset operation
Printer mechanism is reset (including head cleaning).
Input data buffer is cleared.
Print buffer is cleared.
Default values are set.
Software reset operation
This differs from the hardware reset operation in the following points:
The printer mechanism is not reset.
The input data buffer is not cleared.
The following values set in the SelecType mode do not change from those set at the previous
hardware reset.
ON/OFF of Auto LF
Select/deselect of DC lIDC3
NOTE: In this case only, head cleaning is not executed.
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