Sharp ER-A490 (serv.man2) Service Manual ▷ View online
Item
Description
Character
size
size
1.25 mm (W)
×
3.0 mm (H): At 10
×
24 dots
Print pitch
Column distance: 1.5 mm
Row distance: 3.75 mm
Row distance: 3.75 mm
Paper feed
speed
speed
Approximate 60 mm/s
Reliability
Mechanism: MCBF 5 million lines
Paper end
sensor
sensor
Yes (Receipt and Journal)
Cutter
Manual
Paper near
end sensor
end sensor
No
Printing area
Print format
Option
For PR-58M: ER-01AC (Auto cutter unit)
2) Paper
Item
Description
Name
Heat-quality paper
Roll dimension
57.5
±
0.5 mm in width
Thickness
0.06 mm to 0.08 mm
3) Cutter
Model
Method
PR-58A
Auto
PR-58M
Manual
6. Drawer (Except for Germany)
1) Specification
(1) Drawer box and drawer
Model name of the drawer box
SK423
Size
420 (W)
✕
423 (D)
✕
114 (H)
Color
Light olive gray
Material
Metal
Bell
—
Release lever
Standard equipment;
situated at the bottom
situated at the bottom
Drawer open sensor
Standard equipment
Separation from the main unit
Allowed with service kit
2) Money case
Separation from the drawer
Allowed
Separation of the bill compartments from the coin
compartments
compartments
Disallowed
Bill separator
Standard
Number of compartments
4B/8C
3) Lock
•
Location of the lock:
Front
•
Method of locking
and unlocking:
and unlocking:
To lock, insert the drawer lock key into the
lock and turn it 90 degrees counterclockwise.
To unlock, insert the drawer lock key and turn
it 90 degrees clockwise.
lock and turn it 90 degrees counterclockwise.
To unlock, insert the drawer lock key and turn
it 90 degrees clockwise.
•
Key no.:
SK1-1
0.125
5.5
7.0
(7.0)
(5.5)
832dots
360dots
(45)
57.5
±
0.5
3.0
UNIT: mm
1.5 (12dots)
1.5 (12dots)
0.125
0.
125
3.
0 (
24do
ts
)
3
.7
5
(
30do
ts
)
3.75 (
3
0dots
)
UNIT: mm
4B/8C
4
CHAPTER 2. OPTIONS
1. System configuration
(N
O
T
E
1
)
T
h
is sym
b
o
l
s
h
o
w
s NE
W
M
O
DE
L
(N
O
T
E
2
)
T
h
e
E
R
-A
4
9
R
1
is
n
e
cce
ssa
ry
t
o
w
o
rk
th
e
op
ti
on
s
how
ed
b
y
*
*
*
s
y
m
b
o
l.
T
h
e
E
R
-A
49
R
1
i
s
on
ly
on
e R
O
M on
s
o
me op
ti
on
s
.
K
IT
CHE
N P
R
IN
T
E
R
E
R
-0
2
R
P
OP
T
ION
R
A
M
ER-
0
2
R
A/
0
3
R
A
T
EXT
PRESET
R
E
M
O
T
E
KEY
ER
-0
1
R
K
ER-
A
5
R
S
R
S
-2
3
2
C
I
/F
M
AX 2
PO
R
T
S
ER
-A
4
9
0
M
AST
ER M
A
CH
IN
E
IR
c
o
mun
ica
ti
on
ER-
A
4
9
R
1
OP
T
ION
C
O
N
T
.
R
O
M
ER
-0
4
D
W
E
R
-A
5
C
L
RE
M
O
T
E
DR
A
W
E
R
DRA
W
E
R
CO
IN
C
A
S
E
C
O
IN
CA
S
E
CO
V
E
R
E
R
-48C
C2
ER
-0
1
C
V
1
~
5
W
IR
E
L
ESS IN
T
E
R
F
AC
E
C
ABL
E
C
E
-I
R2
/IR
4
IR
c
o
mun
ic
a
ti
on
3.
5
in
c
h
F
D
D
ER
-0
2
F
D
CO
M
M
E
RC
IA
L
PR
O
D
UC
T
1
HO
LE
CA
S
H
IE
R S
W
A
U
TO
C
U
TTE
R
U
N
IT
ER
-0
1
A
C
SL
IP PR
IN
T
E
R
:T
M
-2
9
5
LO
C
A
L P
U
R
CHA
S
E
CO
M
P
UT
E
R
LO
C
A
L P
U
R
CHA
S
E
F
ig
.
1
-1
5
2. Options
NO
NAME
MODEL
DESCRIPTION
1
ONE HOLE CASHIER KEY
E R – A 5 C L
2
EXPANSION RAM CHIP
E R – 0 2 R A
128K bytes RAM chip
E R – 0 3 R A
512K bytes RAM chip
3
ON-LINE SYSTEM
E R – A 5 R S
2ports RS-232 I/F
4
CONTROL ROM
E R – A 4 9 R 1
Control for ER-A5RS
5
PRESETS LOADER
E R – 0 2 F D
FD unit
6
PROGRAMMING REMOTE KEYBOARD
E R – 0 1 R K
IR I/F text preset keyboard
7
WIRELESS INTERFACE
C E – I R 2 / I R 4
For IR communication
8
COIN CASE
E R – 4 8 C C 2
9
COIN CASE COVER
E R – 0 1 C V 1 ~ 5
10
KITCHEN PRINTER
E R – 0 2 R P
11
REMOTE DRAWER
E R – 0 4 DW
12
AUTO CUTTER UNIT
E R – 0 1 A C
Except for Germany
3. Service options
NO.
NAME
PARTS CODE
PRICE
RANK
DESCRIPTION
1
SERVICE KEY
L K G I M 7 1 1 3 B H Z Z
AK
For the mode switch
2
DRIP-PROOF SWITCH COVER
G C O V B 7 1 0 8 B H Z Z
BA
3
MODE KEY GRIP COVER
L K G I M 7 1 2 6 R C Z Z
AL
OP key only
4
JOURNAL NEAR END SENSOR
D U N T – 4 9 4 5 B H Z Z
AY
5
DRAWER FIXING KIT
D K I T – 8 6 3 3 R C Z Z
Except for Germany
4. Service tools
NO.
NAME
PARTS CODE
PRICE
RANK
1
EXPANSION PWB
C K O G – 6 7 0 8 R C Z Z
BU
2
RS-232 LOOP BACK CONNECTOR FOR ER-A5RS
U K O G – 6 7 0 5 R C Z Z
BU
5. Supplies
NO.
NAME
PARTS CODE
PRICE
RANK
DESCRIPTION
1
ROLL PAPER
T P A P R 6 6 5 6 R C 0 5
BA
5rolls/pack
2
KEY SHEET
P S H E K 6 8 3 0 B H Z Z
AU
Programming character sheet
P S H E K 6 8 4 0 B H Z Z
AR
Standard character sheet
P S H E K 6 8 2 8 B H Z Z
AK
Blank character sheet
6
6. Options
For installation of the options, refer to the Installation Manual which is
issued separately.
issued separately.
7. How to use service tools
7-1. Expansion PWB: CKOG-6708RCZZ
•
External view
Fig. 7-1
Purpose 1: Used for servicing and repairing of options (such as the
and the ER-A5RS) which are connected with the main
body option connector.
body option connector.
[Procedure 1]
Use an insulator base as shown in Fig. 7-2 (shaded section) and
perform servicing.
Use an insulator base as shown in Fig. 7-2 (shaded section) and
perform servicing.
Fig. 7-2
To check the option I/F PWB from the solder side, connect the I/F
PWB to OPTCN2. To check from the parts side, connect to OPTCN3.
PWB to OPTCN2. To check from the parts side, connect to OPTCN3.
(Note) The option I/F PWB should be held horizontally so that no
excessive stress is applied to connecting section
A
in Fig.
7-2.
[Procedure 2]
Fig. 7-3
Put a string between the pop up and the option PWB, as shown in
Fig. 7-3. Adjust the length of the string so that the CKOG-6708RCZZ
and the option PWB are not binding. Then perform servicing.
Fig. 7-3. Adjust the length of the string so that the CKOG-6708RCZZ
and the option PWB are not binding. Then perform servicing.
ER-A490
Main PWB
Expansion PWB
(CKOG-6708RCZZ)
(CKOG-6708RCZZ)
ER-A5RS
PWB
Loop back connectors (2 pcs.):
UKOG-6705RCZZ
UKOG-6705RCZZ
Base
Control ROM
A
ER-A490
Main PWB
Expansion PWB
(CKOG-6708RCZZ)
(CKOG-6708RCZZ)
ER-A5RS
PWB
PWB
Control ROM
Pop up
String
Loop back connectors (2 pcs.):
UKOG-6705RCZZ
7
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