Epson 4500 - Manual (Page 250)

Initialization
There are two ways that the printer can be initialized (returned to the
default settings) through the hardware and one way through the
software. These are described in the following table:
l
The software sends the ESC @ (initialize
Default Settings
The table below shows the default conditions that become valid when
the printer is initialized.
Item Reset to:
Top of form positron
Left and right margins
Current paper position
Cancelled
Line spacing 1/6-inch line spacing
Vertical tab position
Horizontal tab positions
VFU channel
Cleared
Every eight characters
Channel 0
Font selection Hardware: The current DIP switch setting
Software: The current SelecType setting I
Condensed mode Hardware: The current DIP switch setting
Software: The current SelecType setting
Character spacing The current DIP switch setting
Justification Left justification
Special printing effects Cancelled (except condensed printing)
Graphic mode assignment ESCK = ESC*0,ESCL = ESC*1,
ESCY = ESC*2,ESCZ = ESC*3
8-14 Technical Specifications