Epson TM-T20II Technical Reference Guide - Page 58

Connecting the Cash Drawer, Required specifications of cash drawers

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Connecting the Cash Drawer  Do not connect both the optional external buzzer and the cash drawer to the printer at the same time by using a branched connector.  When the optional external buzzer is enabled with the memory switch (see "Setting the Memory Switches/Receipt Enhancement" on page 46), a cash drawer cannot be used. Be sure to disable it when you use a cash drawer.  Two driver transistors cannot be energized simultaneously.  Leave intervals longer than 4 times the drawer driving pulse when sending it continuously. Required specifications of cash drawers Specifications of drawers differ depending on makers or models. When you use a drawer other than specified, make sure its specification meets the following conditions. Otherwise, devices may be damaged. • The load, such as a drawer kick-out solenoid, must be connected between pins 4 and 2 or pins 4 and 5 of the DK connector. • When the drawer open/close signal is used, a switch must be provided between DK connector pins 3 and 6. • The resistance of the load, such as a drawer kick-out solenoid, must be 24  or more or the input current must be 1A or less. • Be sure to use the 24V power output on drawer-kick out connector pin 4 for driving the equip- ment. 58

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58
Connecting the Cash Drawer
Required specifications of cash drawers
Spec
i
f
i
ca
ti
o
n
s of drawers d
i
ffer depe
n
d
ing
o
n
makers or models. Whe
n
yo
u
u
se a drawer o
t
her
t
ha
n
spec
i
f
i
ed, make s
u
re
it
s spec
i
f
i
ca
ti
o
n
mee
t
s
t
he follow
ing
co
n
d
iti
o
n
s.
O
t
herw
i
se, dev
i
ces may be dama
g
ed.
•
The load, s
u
ch as a drawer k
i
ck-o
ut
sole
n
o
i
d, m
u
s
t
be co
nn
ec
t
ed be
t
wee
n
p
in
s 4 a
n
d 2 or p
in
s
4 a
n
d 5 of
t
he DK co
nn
ec
t
or.
• Whe
n
t
he drawer ope
n
/close s
ign
al
i
s
u
sed, a sw
it
ch m
u
s
t
be prov
i
ded be
t
wee
n
DK co
nn
ec
t
or
p
in
s 3 a
n
d 6.
• The res
i
s
t
a
n
ce of
t
he load, s
u
ch as a drawer k
i
ck-o
ut
sole
n
o
i
d, m
u
s
t
be 24
or more or
t
he
in
p
ut
c
u
rre
nt
m
u
s
t
be 1A or less.
•
Be s
u
re
t
o
u
se
t
he 24V power o
ut
p
ut
o
n
drawer-k
i
ck o
ut
co
nn
ec
t
or p
in
4 for dr
i
v
ing
t
he eq
ui
p-
me
nt
.
Do not connect both the optional external buzzer and the cash drawer to the printer at
the same time by using a branched connector.
When the optional external buzzer is enabled with the memory switch (see
"Setting the
Memory Switches/Receipt Enhancement" on page 46
), a cash drawer cannot be used.
Be sure to disable it when you use a cash drawer.
Two driver transistors cannot be energized simultaneously.
Leave intervals longer than 4 times the drawer driving pulse when sending it
continuously.