Epson TM-T20II Technical Reference Guide - Page 72

Setting/Checking Modes, Self-test Mode

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Setting/Checking Modes Besides the ordinary print mode, the printer has the following modes to set or check settings of the printer. • Self-test Mode • NV Graphics Information Print Mode (page 74) • Receipt Enhancement Information Print Mode (page 76) • Software Setting Mode (page 78) • Hexadecimal Dumping Mode (page 80) Self-test Mode In the self-test mode, the printer prints the current printer status and a rolling pattern test print of resident characters. The current status print includes the following information: • Control ROM version • Interface type • Receive buffer size • BUSY condition • Resident fonts • Print density • Maintenance counter information (head running length, number of times of autocutting) • Memory switch settings 72

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72
Setting/Checking Modes
Bes
i
des
t
he ord
in
ary pr
int
mode,
t
he pr
int
er has
t
he follow
ing
modes
t
o se
t
or check se
tting
s of
t
he pr
int
er.
• Self-
t
es
t
Mode
•
NV Graph
i
cs I
n
forma
ti
o
n
Pr
int
Mode (
pa
g
e 74
)
• Rece
i
p
t
E
n
ha
n
ceme
nt
I
n
forma
ti
o
n
Pr
int
Mode (
pa
g
e 76
)
• Sof
t
ware Se
tting
Mode (
pa
g
e 78
)
• Hexadec
i
mal D
u
mp
ing
Mode (
pa
g
e 80
)
Self-test Mode
I
n
t
he self-
t
es
t
mode,
t
he pr
int
er pr
int
s
t
he c
u
rre
nt
pr
int
er s
t
a
tu
s a
n
d a roll
ing
pa
tt
er
n
t
es
t
pr
int
of res
i
de
nt
charac
t
ers.
The c
u
rre
nt
s
t
a
tu
s pr
int
in
cl
u
des
t
he follow
ing
in
forma
ti
o
n
:
• Co
nt
rol ROM vers
i
o
n
•I
nt
erface
t
ype
• Rece
i
ve b
u
ffer s
i
ze
•
BUSY co
n
d
iti
o
n
• Res
i
de
nt
fo
nt
s
• Pr
int
de
n
s
it
y
• Ma
int
e
n
a
n
ce co
unt
er
in
forma
ti
o
n
(head r
unning
le
ngt
h,
nu
mber of
ti
mes of a
ut
oc
utting
)
•
Memory sw
it
ch se
tting
s