Samsung ER-4615 Series User manual

ELECTRONIC CASH REGISTER
ER-4615R
ER-4615 series
ER-4915 series
|
S
ER
VICE
Manual
EEE:
ELECTRONC CASH REGISTER CONTENTS
1, Product Specifications -+++++++++s+er+eeeee 1
2 Features, Dimensions, Installation
and
Operation:::++s+ssseseseesseeeeeeeens
9-9
3,
Troubleshooting:
:+++++sstsceetreeeeeeeeeeee
10
4,
Alignments
and
adjustment
:+:++**++++
11-17
5,
Circuitrys:::sessecsesseseeeeeeessneeeees
18-24
6, Specification of major components -+-25-32
7, General overviews:+rssrrrteeteereeees 33-37
8, Service parts listerssrrssrrterereereees 41-58
9. Timing chart of ERP-300V -------++--- 59-61

eens wee eee eee eee eee seenn enemas
This
ELECTRONIC
CASH
REGISTER
is
a
microprocessor
based
system,
using
an
8-bit
single
chip
microprocessor.
This
service
manual
provides
technical
information
for
many
individual
component
systems,
circuits
and
gives
an
analysis
of
the
operations
performed
by
the
circuits.
If
you
need
more
technical
information,
please
call
our
service
branch.
Schematics
and
specifications
provide
needed
information
for
the
accurate
troubleshooting.
All
information
in
this
manual
is
subject
to
change
without
prior
notice.
Therefore,
you
must
check
the
correspondence
of
your
manual
with
your
machine.
No
part
of
this
manual
may
be
copied
or
reproduced
in
any
form
or
by
any
means,
without
the
prior
written
consent
of
Samsung
Electronics
Co.,
Ltd.
.
MODEL | KEYBOARD
EUROPE | ER-4615R
ER-4615
ER-4640
ER-4800
ER-4915
ER-4940
ER-4900
PRINTER POWER TRANS
MAX 60 Key |} ERP-300V | 62256 | 230V 50Hz
60 ERP-300V 120V 60Hz
Note:
Prior
to
using
this
Electronic
Cash
Register
(ECR)
for
the
first
time,
leave
it
powered
on
in
the
“REG”
mode
for
at
least
twenty-four
hours.
This allows the Ni-Cad battery, which maintains the memory of the
ECR while the power is off, to charge completely.

led
1.
Product
specification
«=
----nnnnnnnnn
nnn
nn
nnn
nomen
mene
nnn
nnn
nner
nncnnnns
1
2.
Features,
Dimensions,
Installation
and
Operation
2-1.
Features
trent
en
nen
ne
nnn
manera
naewnnnnnnnnannnnaennenn
2
2-2.
Comparison
Chart
«—
-----------nnnnnnnnnnn
nnn
nnn
nnn
nner
enna
3
2-3.
Installation
(wmne
ern
en
ne
nnnnnnn
nnn
nnn
n
nner
en
nnn
nnn
annem
nnn
nnnnenan
3-5
2-4.
Operating
Instruction
—
-----------------n-n-
nnn
nner
nnn
nnn
6-9
3.
Troubleshooting
L
me
eenemennnnnennnnnnnen
wren
en
en
en
enna neem
nana
nnn
een
nenns
10
4.
Alignments.
and
Adjustments
4-1,
Adjusting
of
Roll
Paper
Near-end.
Detector
------------------------------
11-12
4-2,
ERP-300V
Printer
Adjustment
=
-w----nwnnnnnnnnn
nnn
nnnn
nn
nnecnnennee
13-17
5.
Circuitry
5-1
Power
circuit
wanna
nnn
nnn
nee
n
neem
nnn
nnn
nnn
nnnennne
nn
eennan
18
5-2
Battery
circuit
won
na
nanan
nnn
n
nnn
nanan
annem
nnn
nn
nnn
en
nnn
nnn
nnn
nnn
19
5-3
Reset
and
Power
Fail
circuit
---------------------------------n
nnn
nnnnn
enn
19
5-4
Display
Circuit
9
------wnnnnnn
nnn
nnn
nnn
nner
nn
nnn nnn
nnn
nnn
nnn
nnnnnn
nnn
20
5-5
Drawer
and
Buzzer
Circuit
—
---------------------n-nnn
nn
nnn nnn
nn
nnn
nn
nnnennnn
20
5-6
Keyboard
Circuit
—
-----------------nn---
nn
nnn
enn
nen nnn nnn
nnn
nnenn
nnn nnn
nnnnn
21
5-7
Real
time
clock
Circuit
«=
----------------------
nnn
nnn
nnn
nn
nnn
nnn
nnn
ae
5-8
Printer
circuit
—
--------------------------
=
nnn
nnn
nnn
nnn
nnn nnn
nen
nnn
cnn
23
5-9
Paper
SeNSOL
CIPCUIt
-----------------nnn
annem
mmm
enn
nnn nnn nnn
enema
nnnnnnnn
nnn
24
6.
Specification
of
major
ComponentS
—
------------n-=-nnnn
nnn
nnnnnnnnn
enema
nner
25-32
7. General overview
System
Block
Diagram
-wnnnnnnnnnnnm
nnn
nnn
n
ence
nnnn
cnn
ccnnnennnnnennnnnnnn
33
Disassembly
Main
PCB
———
~wwwwwnnwnnnn
nnn
nn
enn
nn
nen
nnn
enn
n
nnn
nn
nnennnnmnnnnnnn
34
Main:
PCB
Tcayotth.
+
ese
epesesere
estate
nae
35
Circuit
diagram
(=
-wnnnnwnnnnn
nnn
nn
cnn
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nme
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enn
nennnnnmnnannnnn
37
8.
Service
Parts
List
9
---------n
nnn
annem
enna
nn
nnn
nnn
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enn
nnnennnnn
acne
41
-
58
9.
Timing
chart
9
weveneeereneeecerneceeeceenne
nee
nnennccncnenmemennnn
59-61

1. Product Specifications
ITEM DESCRIPTION
POWER SOURCE
POWER
Consumption
120V AC +10% 60Hz
230V AC +10% S50Hz
34watts (MAX)
ERP-300V
9- Pin dot matrix
printing speed : 3.0 lines/sec
Printer
MEMORY SRAM : KM62256
EPROM (27C512)
Ni-Cad,60mA,
Charge time : 24hours
BATTERY
Lithium,3 V,950mAH
4B/8C,5B/5C
wait : 9.0 kg
Dimension : 460(W) x 60(L
a
x1 10(H)
DIMENSION 450(L) X 400(W) X 309(H)mm
WEIGHT 18.3Kg
DISPLAY
KEY-BOARD
FRONT : 10 DIGITS
REAR : 9 DIGITS
60 KEY (MEMBRANE TYPE)
15 KEY :DEPARTMENT KEY
|
|
;

2.
Features,
Dimensions,
Installation
and
Operation
Instructions
2-1 Features
@ COVER PRINTER
@ TURRET DISPLAY
@ WINDOW DISPLAY
@ MODE SWITCH
@® DRAWER
© DRAWER LOCK KEY
@ KEYBOARD
IMPACT DOT
PRINTER
2-1-1
Mode
Switch
SO
—
———
REG
x
Zz
P|
Program
mode

2-2
Comparison
Chart
1 :
| 2
primary
:
2
secondary
0
:
3
Transformer
co
EUROPE
|
230V
50Hz
|
2-3
22.5V(AC)
120V
60Hz
|
2-3
22.5V(AC)
;FUSE
~T3-15E°250V
|}
949
115010TH
|
T3A,125V
|
949115202SLNA
2-3 Installation
2-3-1 General warning
When
you
connect
the
keyboard
to
the
MAIN
PCB,
make
sure
membrane
sheet
is
the
shape
as
shown
in
figure
(b)
.
If
you
assemble
as
in
figure
(a),
the
keyboard
may
malfunction.
Upper
case
Upper
case
KBD
KBD
membrane
sheet
membrane
\
(bad)
sheet
(good)
MAIN
PCB
MAIN
PCB
ora
NEES
EEE
LOWER
CASE
LOWER
CASE
(a)
(bd)
SIDE
VIEW

9-3-2
Drawer
setup
To
install
the
drawer
in
the
lower
case,
fix
the
@
screws
as
you
see
in
the
figure,
together
with
the
drawer
and
lower
case.
Refer
to
the
exploded
diagram
for
the
disassembly
details
for
other
parts
of
ECR.
~~~
23-3
Ribbon
cassete
setup
~~
(1)
Before
inserting
the
ribbon
cassette,
turn
the
knob(
@
)
counter
clockwise
in
order
to
prevent
twisting
ribbon.
(2)
After
inserting
the
ribbon
cassette,
turn
the
knob(
@
)
counter
clock-
wise
inorder
to
prevent
twisting
mbbon.
2-3-4
Insertion
of
Receipt
/
Journal
paper
({) xe @Under the condition of marked O
, paper, unroll the paper about 150
Ke) mm, then fold the paper like figu-
re 2-3-3
figure 2-3-3
= 4 io

Insert the folded paper in
the back @ of ERP-300V.
While holding the lever @
down, pull the paper out
until the fold point @ is
completely out of the mac-
hine.
«@) (©Cut the receipt side paper.
p=
B=
(1) Insert the journal side paper
Wind spindle 3 or 4 times.
Push disk 3) onto the spindle
as shown in figure 2-3-5
(© When the journal side paper
is loose, rewind the spindle
to make the paper tight.
in the slit of the rewind spindle.

2-4. Operating Instruction
2-4-1 Initial Clear
The
Initial
clear
procedure
may
be
used
for
clearing
keyboard
lock-ups
and
constant
error
conditions.
This
procedure
will
finish
the
current
transaction
/
operation
and
clear
temporary
memory
buffers.
An
initial
clear
procedure
will
not
effect
register
programming
,
or
erase
previously
stored
totals
in
RAM
memory.
Caution:
1)
An
initial
clear
will
cause
balancing
discrepancies
if
it
is
performed
in
the
middle
of
a
transaction.
2)
If
you
‘Power
ON’
while
the
display
connector
on
the
PCB
is
open,
it
may
harm
the
system,
especially
the
CPU.
Tum
the
keylock
to
the
"P"
position
on
the
mode
key
plate
and
press
the
"SUBTOTAL
"Key.
While
holding
the
"SUBTOTAL"
key
down,
power
‘ECR’
off
and
power
it
back
on.
Then,
the
following
re-
ceipt
will
print.
CLERKO NO. 000001
TIME 10:19 0000
DATE 06.10.’94
2-4-2
Clearing
Totals
From
Memory
The
memory
of
register
must
be
RAM
Cleared
before
initial
programming
take
place.
Having
the
"C"
key
in
the
SM-Mode
position
allows
for
memory
clearing.
¢
See
the
diagram
to
locate
the
SM-Mode
position.
yh
ee
x
2-4-3
Total
Memory
RAM
Clear
(00
Key)
Clearing
the
RAM
on
the
cash
register
erases
all
Zz
totals
and
installs
the
default
program.
This
pro-
‘
cedure
must
take
place
before
programming
SM
the
cash
register.
SM-mode
keylock
position

2-4-4.
Clear
all
RAM
memory
Use
this
procedure
to
clear
totals
from
memory.
1) Unplug ECR.
2)
Insert
the
key
(
marked
‘C’)
into
the
control
lock
and
turn
clockwise,
past
the
position
marked
‘P’,
to
the
Service
mode
(SM).
This
position
is
not
marked
on
the
control
lock
plate,
but
the
‘C’
key
can
travel
to
this
position.
3)
While
holding
the
"00"
key
down,
power
the
register
off
and
back
on.
4)
Switch
off
the
CN21
shunt
switch
(near
keyboard
connector
CN11
)
by
changing
the
shunt
switch
position
‘on’
to
‘off.
After
this
procedure,
“total
memory
RAM
clear
"
cannot
be
performed.
If
you
want
this
procedure
after
installation,
you
have
to
switch
CN21
on(only
for
ER-4615R).
5)
Continue
to
hold
the
key
down
until
the
receipt
printer
stops
printing
and
the display shows 0.00.
242 ke kK Re 2k ke aie ae 2c a ake ie 2 ake 2 2
RAM ALL CLEAR OK |!
FR GO RIC ORR AIK ACK
CLERKO NO. 000001
TIME 14:08 0000
DATE 12.28.94 MON
Key : 00
Total memory
RAM Clear
KEYS
ate i oie a i a fe a ate aie ac ake ie oie ake ake ais ake ok ak ae ae
RESET ALL CN/TOTAL !
aie ee oi fe oie a ok ok a 2k 0 2 OK ok aK
CLERK 0 NO. 000001
TIME 14:08 0000
DATE 12.28.94 MON
Key : CHECK
Reset All
Total & counters
2h 2 a ie ke iC ai HC a as ke oe aie ac ke aie ae 2
RESET GRAND TOTAL !
FOSS I IOI IOI a #8
CLERKO NO. 000001
TIME 14:08 0000
DATE 12.2894 MON
Key : CASH
Reset Grand Total only

2-4-5
Service
Mode
Diagnostics
The
Samsung
register
offers
several
diagnostic
routines
while
in
the
SM
or
Service
Mode.
Each
of
these
tests
require
the
"C"
key
to
be
turned
to
the
SM
Mode
position.
See
Illustration
on
page
6.
The
available
diagnostics
are
:
Printer / display Test :
Enter
1
and
press
the
CASH
TEND
Key.
The
register
will
cycle
completely
through
the
print
character
set
while
testing
the
display.
Keyboard Test
Enter
2
and
press
the
CASH
TEND
key.
Press
each key. on the keyboard, one key at a time.
Each
key
shows
its
location
code
on
the
disp-
lay
as
you
press
it.
Exit
the
keyboard
‘
test
mode’
by
pressing
the
“
CLEAR
”
key
twice.
Keylock Test :
Enter
3
and
press
the
CASH
TEND
key.
The
corresponding
code
will
appear
on
the
display
as
the
"C"
key
is
rotated
from
position
to
position.
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DATE @1.14.°96 FRI
CLERK
@@
NO.
068003
TINE
16:26
0000
Printer Test

JOO ICO GR kk kk ack a
“ER-4615R
2-4-6 EPROM Check Sum
Enter
4
and
press
the
CASH
TEND
key.
oe
ee
The
software
version
and
the
Check
sum
eee
“
Nee
f
:
;
TIME
14:11
0000
data
will
print
on
the
receipt.
DATE
12.28.‘94
MON
2-4-7 Setting the number of departments
1)
Insert
the
“C
”
key
into
the
control
lock
(see
page
6)
and
turn
clockwise
to
the
SM
(service
)
mode
position.
This
position
is
not
marked
on
the
control
lock
plate,
and
only
the “C” key will travel to this position.
2) Enter the following key sequence
(XX) - [X/TIME] - [CASH/TEND]
XX : ER-4915 (5,10,15)
ER-4940 (15, 40 )
ER-4615 ( 5,10,0[15] )
ER-4615R (5,10,0[15] )
ER-4640 ( 15,0[40] )
Refer to the Other departments programming,
see the ‘user manual’.
Now , the Samsung ECR is ready to operate using the default program.
The balance of programming procedures take place with the ‘control lock’
in the 'P’ position.

3. Troubleshooting
1)
"P.P.
"
on
the
display
during
POWER
ON.
-
Check
for
disconnection
of
connector
between
MAIN
PCB
side
and
‘PRINTER
side
’
(CN7CN8CN13).
-
Check
the
Printer
Ribbon
and
Paper
Jam.
2)
Buzzer
Sound
during
POWER
ON.
-
Check
whether
the
display
connector
is
connected
or
not.
-
Check
whether
the
turret
connector
is
connected
or
not.
3)" FE | ” onthe display .
-
Press
the
“
CLEAR”
key
to
clear
this
condition.
Refer
to
other
message
,
see
the
user
manual
.
-10-

4 Alignments and Adjustments
4-1
Adjusting
of
Roll
paper
Near-end
Detector
(
Type
1
paper
sensor
)
1) Adjusting Point
#1 Adjusting
point
i
~
Bracket
P/END
Slide
Bracket
(PAPER T= 0.075 mm )
"As
you
see
in
the
figure
above,
the
slide
bracket
is
fixed
at
adjustingsscale
#3
for
the
roll
paper
recommended
by
Samsung.
2)
The
relationship
between
adjusting
scale
and
the
remnant
of
Roll
paper
:
When
using
Samsung
recommended
roll
paper
(paper
thickness
=
0:075mm,
paper
width
=
44.5
+
0.5mm
),
the
relationship
between
adjusting
seule
and
remnant
of
roll
paper
is
as
follows.
remnant of (m)
5
mm NW
#1 #2 #3 #4 «#5
——» adjusting scale
When using paper other than Samsung recommended paper (thickness:
approx.
0.075mm),
ignore
the
figure
above.
-~li-

3)
The
relationship
between
adjusting
scale
and
ROLL
paper
winding
core
:
adjusting scale
#5
#4
J
#3
#2
#1
10
15
20
25 30
——-»
outer
diameter
of
paper
D
d
winding
core(®
:
mm)
D
:
out
diameter
d_
:
Inner
diameter
(note)
a)
When
employing
roll
paper
other
than
Samsung
recommended
paper,
the
length
of
remnant
of
roll
paper
will
be
differ.
b)
When
using
roll
paper
witha
red
end
mark
at
the
end
of
it,
winding
core
may
be
pulled
out
of
its
holder
due
to
the
paper
sticking
to
the
winding
core.
The
paper
sensor
may
malfunction
if
the
winding
core
is
pulled
out
of
its
holder.
-12-

4-2. ERP-300V Printer Adjustment
4-2-1.Procedure of disassembly
1)
Remove
the
four
screws
[a]
on
the
upper
frame
ass’y
©
and
disassemble
cover
@
(see
figure
4-2-1
).
2)
Remove
the
screws
[b]
(two)
and
disassemble
the
Ribbon
Frame
from
the
Lower
Frame
Ass’y
@
as figure
4-2-1.
Figure 4-2-1 Printer Disassembly
-413-

3)
Remove
the
four
screws
and
disassemble
the
Upper
frame
ass’y
©
from
the
Lower
frame
ass’y
@.
4) F ara leieihale win ibien stele oo
pulling.
direction
Front
When
you
disassemble
the
Upper
frame
ass’y
©
from
the
Lower
Fame
Ass’y
@,
pull
the
©
Ass’y
up
away
from
the
Lower Frame
Ass’y
like
the
direction
of
the
diagram
.
Figure 4-2-2 Separating the Upper + Lower Frame Aaa’y
- 14-

5)
Turn
the
upper
Frame
Ass’y
©
upside
down
and
remove
the
three
screws
Id].
Disassemble
the
Stamp
Paper
Guide
Ass’y
©
from
the
Upper
frame
ass’y
©.
Figure 4-2-3 Stamp Paper Guide Removal
6) Remove the Platen Paper Guide @’s left side screw lel which
ties the platen paper guide Ass’y © to the Stamp paper guide
ass’y ©.
(me
Figure 4-2-4 Platen Paper Guide Removal
-15-