3) Check items
a) Cashier code (One hole cashier key: OPTION)
Display
State
000
Off
001
Cashier key No.1
002
Cashier key No.2
003
Cashier key No.3
¯
¯
014
Cashier key No.14
015
Cashier key No.15
b) Key code
HARDWARE CODE" of the following keys will be displayed ever
time the keys are pressed.
"---" indicates that a key is struck twice and also that input data is
not accepted.
[KEY POSITION CODE]
<ALL KEY>
<ER-A450 STANDARD KEY BOARD LAYOUT>
4) Test termination
Change the mode switch position other than SRV position to terminate
the test.
The test terminates with the test and message printed
[3] R/J printer test
1) Key operation
2) Functional description
Five lines of special characters are printed as follows on the receipt
and the journal regardless of receipt (ON/OFF) switch setting.
3) Check items
1. Check that the slanted lines of special characters are clearly
printed.
2. Check that the characters are printed at a uniform density.
3. Check the paper feed operation and the logo print.
4) Test termination
This check is terminated automatically.
The termination print is not performed.
[4] Keyboard test
1) Key operation
XXXX: Sumcheck data
Standard keyboard layout sumcheck data
ER-A450
2243
2) Functional description
Keyboard test is performed with the sumcheck data of key code.
For sumcheck data, data are inputted to the upper upper four digits
befor the diagnostics code.
The data are compared with the added data which are added until the
final key (TL) is pressed. if the data agree with the added data, the end
print is made. If not, the error print is made.
The su check data is obtained by totalizing all key hardware codes
except for the (TL) key and converting the total into a decimal figure.
[ALL KEY LAYOUT]
68
67
58
77
78
66
55
56
57
48
38
R
J
63
62
61
52
51
40
45
35
46
47
37
74
43
33
42
32
41
31
30
76
75
36
28
27
14
23
24
22
72
21
71
70
15
05
16
18
04
13
03
12
02
11
01
00
26
25
06
08
65
17
07
60
49
20
10
68
67
58
77
78
66
55
56
57
48
38
R
J
63
62
61
52
51
40
45
35
46
47
37
74
43
33
42
32
41
31
30
76
75
36
28
27
14
23
24
22
72
21
71
70
15
05
16
18
04
13
03
12
02
11
01
00
26
25
06
08
1 0 1
102
TL
RECEIPT
JOURNAL
LOGO
XXXX 104
TL
44
43
3A 4D 4E
42
37
38
39
30
26
R
J
3F
3E 3D 34
33
28
2D 23
2E 2F
25
A4 2B 21
2A 20
29
1F
1E 4C 4B 24
1C 1B
0E 17
18
16
48
15
47
46
0F
05
10
12
04
0D 03
0C 02
0B 01
00
1A 19
06
08
41
11
07
3C
32
14
0A
5 – 2
Summary of Contents for ER-A450
Page 51: ...MAIN PWB LAYOUT 1 SIDE A 8 15 ...
Page 52: ... 2 SIDE B 8 16 ...
Page 53: ...PS PWB FRONT DISPLAY PWB POP UP DISPLAY PWB 8 17 ...