Service manual
ER-A242U SPECIFICATIONS
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CHAPTER 1. SPECIFICATIONS
1. APPEARANCE
2. RATING
3. KEYBOARD
1) KEYBOARD LAYOUT
2) KEY LIST
■Keyboard layout
Note: The small characters on the bottom or lower right in each key
indicates functions or characters which can be used for character
entries for text programming.
■Key names
4. MODE SWITCH
1) LAYOUT
• Rotary type
The mode switch can be operated by inserting one of the two supplied
mode keys - manager (MA) and operator (OP) keys. These keys can be
inserted or removed only in the “REG” or “OFF” position.
ER-A242
Weight 16.3lb (7.4kg)
Dimensions 13.0 (W) x 16.9 (D) x 11.0 (H) inches
(330 (W) x 428 (D) x 280 (H) mm)
Power source AC 120V (m 10%), 60Hz
Power consumption Stand-by 7.7W, Operating 30W (max.)
Working temperature 0°C~40°C (32°F to 104°F)
Type Normal keyboard
Key position STD/MAX 53
Key pitch 19 (W) x 19 (H) mm
Key layout Fixed type
Front view Rear view
RS-232C connector
Operator display
Receipt paper
Drawer lock
Drawer
Printer cover
Customer display
(Pop-up type)
Mode switch
Power cord
Keyboard
Take-up spool
Print roller
release rever
Print roller arm
Inner cover
Paper roll cradle
Paper positioning
guides
Printer
123
456
789
CL
•
00
0
DEPT
SHIFT
CLK
#
CONV
%1RA
VOID
RFND
–
%2
NUMBER
SHIFT
SPACE
DC
ESC
BS
RCPT
/PO
@/
FOR
PLU
/SUB
DEPT
#
B
A
20
4
C
19
3
D
18
2
E
17
1
G
F
24
8
H
23
7
I
22
6
J
21
5
L
K
28
12
M
27
11
N
26
10
O
25
9
Q
32
P
16
R
31
15
S
30
14
T
29
13
AUTO
TAX
TAX2
SHIFT
TAX1
SHIFT
MDSE
SBTL
#/TM
SBTL
CHK
CH
Y
X
Z
V
U
W
CA/AT/NS
KEY TOP DESCRIPTION
2 Paper feed key
RA Received-on account key
RCPT/PO After receipt issue key/Paid out key
VOID Void key
ESC Error escape key
CONV Exchange (Currency Conversion)
%1, %2 Percent 1 and 2 key
RFND Refund key
- Markdown key
@/FOR Multiplication key
• Decimal point key
CL Clear key
0-9,00 Numeric Keys
PLU/SUB PLU code entry key
DEPT# Department code entry key
DEPT SHIFT Department shift key
CLK# Clerk code entry key
Dept1-32 Department 1- 32 keys
TAX Manual tax key
Tax 1 SHIFT Tax 1 shift key
Tax 2 SHIFT Tax 2 shift key
AUTO Automatic entry key
CHK Check key
CH Charge key
MDSE SBTL Merchandise subtotal key
#/TM/SBTL Non-add code/Time/Subtotal key
CA/AT/NS Cash/Amount tender/Non Sales key
PGM
VOID
OFF
OP
X/Z
REG
MGR
X
1/Z1
X2/Z2
OP
MA
MA
OP
Manager key (MA)
Operator key (OP)