REV.-A
1.7 PRINTER INITIALIZATION
There are two initialization methods: hardware initialization and software initialization.
1.7.1 Hardware Initialization
This type of initialization occurs when printer power is turned on or when the printer receives the INIT
signal from the host computer via the 8-bit parallel interface.
When printer is initialized in this way, it performs the following actions:
● Initializes printer mechanism.
● Sets the on-line mode.
● Sets the page length to 11 or 12 inches according to the DIP switch.
● Clears the input data buffer and print buffer.
● Read DIP switch and jumper settings.
● Sets the print mode according to the DIP switch and the non-volatile memory set by control panel.
● Sets printer selections to their default values
1.7.2 Software Initialization
This type of initialization occurs when the printer receives command
(ESC
@)
via software.
When the printer is initialized in this way, it performs the following actions:
● Clears the print buffer.
● Sets printer selections to their default values.
NOTE: The printer’s default values are as follows:
Page Position Preset paper position becomes top of form position
Left and Right Margin
Released
Line Spacing 1/6 inches
Vertical Tab Position
Cleared
Horizontal Tab Position Every 8 characters (relative)
VFU Channel Channel O
Family Number of Type Style Roman (Family Number O)
Downloaded Characters Deselected: Software initialize
Cleared:
Hardware initialize
Justification Left justification
Character Per Inch
10
Bit Image Mode Assignment
ESC
K =
ESC
X O,
ESC
L =
ESC
X 1,
ESC
=
ESC
X 2,
ESC
Z =
ESC
X 3
Printing Effects
Cleared
●
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