Epson 1500 - Manual (Page 248)

DEL
The printer handles the DEL command as a BS command. Print
portion return is the same as for an FX or LQ printer, although
your printer does not clear previous characters.
ESC EM
Your printer supports 1,2, and R for n.
Printer commands arranged by topic
The following section lists and describes all FX and LQ
commands by topic.
Printer operation:
ESC@
DC1
D C 3
ESC EM
BEL
Data control:
CR
DEL
ESC=
ESC>
ESC#
Vertical motion
FF
ESCC
ESC CO
ESCN
ESCO
LF
ESC0
ESC1
ESC2
ESC3
Initialize printer
Select printer
Deselect printer
Control paper loading/ejecting
Beeper
Carriage return
Delete character
Set MSB to 0
Set MSB to 1
Cancel MSB control
Form feed
Set page length in lines
Set page length in inches
Set skip over perforation
Cancel skip over perforation
Line feed
Select 1/8inch line spacing
Select 7/72-inch line spacing
Select 1/6-inch line spacing
Select n/180-inch line spacing (LQ)
Select n/216-inch line spacing (FX)
LQ and FX Emulation Modes C-17