Read Sharp ER-A460 (serv.man2) Service Manual online
4
Test termination
Change the MODE switch position other than SRV position to
terminate the test. The test termination message is printed.
Change the MODE switch position other than SRV position to
terminate the test. The test termination message is printed.
101
Test termination print
[3] R/J printer test
1
Key operation
102
→
TL
2
Content
3
Check content
1. Check that the slanted lines of "Z" 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
Termination
This check is terminated automatically.
The termination print is not performed.
This check is terminated automatically.
The termination print is not performed.
[4] Keyboard test
1
Key operation
✕✕✕✕
104
→
TL
XXXX: Sumcheck data
Standard key layout sumcheck data
ER-A460
3681
ER-A470
7438
2
Details of test
Keyboard check is performed with the sum check data of key
code.
For sum check data, data are inputted to the upper four digits
before the diagnostics code. The data are compared with the
added data which are added until the final key (CA/AT) is pressed.
If the data agree with the added data, the end print is made. If not,
the error print is made.
Keyboard check is performed with the sum check data of key
code.
For sum check data, data are inputted to the upper four digits
before the diagnostics code. The data are compared with the
added data which are added until the final key (CA/AT) is pressed.
If the data agree with the added data, the end print is made. If not,
the error print is made.
The sum check data is obtained by totalizing all key hardware
codes except for the CA/AT key and converting the total into a
decimal figure.
codes except for the CA/AT key and converting the total into a
decimal figure.
ER-A460 KEY HARDWARE CODE
1. STANDARD KEY LAYOUT
SUM CHECK DATA = 6F+65+63+00+02+
⋅⋅⋅⋅⋅
= E61 = 3681
↑
R
↑
J
6F
65
63
00
02
08 0C 0E
7E 7F 77
74
73
71
10
12
16
18 0D
5E 7D 5F
55
54
53
50
52
56
59 2B
4E 5D 4F
45
44
43
42
46
48
39 0B
4D
2F
25
24
23
26
28
09
1B
3D
37
7B 78
3A 2A 2C
CA/AT
2. ALL KEY LAYOUT
↑
R
↑
J
6F 67
65
64
63
61
21
00
02
08 0C 0E
7E 7F 77
75
74
73
71
70
11
10
12
16
18 0D
5E 7D 5F 57
55
54
53
51
31
50
52
56
59 2B
4E 5D 4F 47
45
44
43
41
40
42
46
48
39 0B
4D 2D 2F 27
25
24
23
20
22
26
28
09 0A 1B
3D 3F 37 3E 1E 7B 78
79 1A 3A 2A 2C 1C 1D
ER-A470 KEY HARDWARE CODE
1. SUM CHECK DATA = 0F+06+05+04+00+
⋅⋅⋅⋅⋅
= 1D0E = 7438
↑
R
↑
J
0F 06
05
04
00
01
07 0B 0A 09
08 0C 0D
4F 46
45
44
40
41
42
43
47 4B 4A 49
48 4C 4D
3F 36
35
34
30
31
32
33
37 3B 3A 39
38 3C 3D
2F 26
25
24
20
21
22
23
27 2B 2A 29
28 2C 2D
1F 16
15
14
10
11
12
13
17 1B 1A 19
18 1C 1D
5F 56
55
54
50
51
52
53
57 5B 5A 59
58 5C 5D
6F 66
65
64
60
61
62
63
67 6B 6A 69
68 6C 6D
7F 76
75
74
70
71
72
73
77 7B 7A 79
78 7C
C
A
/A
T
2. ALL KEY LAYOUT
↑
R
↑
J
0F 06
05
04
00
01
07 0B 0A 09
08 0C 0D
4F 46
45
44
40
41
42
43
47 4B 4A 49
48 4C 4D
3F 36
35
34
30
31
32
33
37 3B 3A 39
38 3C 3D
2F 26
25
24
20
21
22
23
27 2B 2A 29
28 2C 2D
1F 16
15
14
10
11
12
13
17 1B 1A 19
18 1C 1D
5F 56
55
54
50
51
52
53
57 5B 5A 59
58 5C 5D
6F 66
65
64
60
61
62
63
67 6B 6A 69
68 6C 6D
7F 76
75
74
70
71
72
73
77 7B 7A 79
78 7C 7D
3
Check item
A) Check the display in the test and the content of end print.
4
Test end
Normal end
104
Error
E - - - 104
RECEIPT
JOURNAL
STAMP
ZZZZZZZZZZZZZZZZZZZZZZZZ
ZZZZZZZZZZZZZZZZZZZZZZZZ
ZZZZZZZZZZZZZZZZZZZZZZZZ
ZZZZZZZZZZZZZZZZZZZZZZZZ
ZZZZZZZZZZZZZZZZZZZZZZZZ
1 2 3 4 5 6 7 8 9 0
P R I N T
S R V
ZZZZZZZZZZZZZZZZZZZZZZZZ
ZZZZZZZZZZZZZZZZZZZZZZZZ
ZZZZZZZZZZZZZZZZZZZZZZZZ
ZZZZZZZZZZZZZZZZZZZZZZZZ
ZZZZZZZZZZZZZZZZZZZZZZZZ
DOT DISPLAY:
7-SEGMENT DISPLAY:
"Z" is printed in
24 digits x 3 lines.
24 digits x 3 lines.
"Z" is printed in
24 digits x 3 lines.
24 digits x 3 lines.
K E Y
T E S T
S R V
Key code
DOT DISPLAY:
7-SEGMENT DISPLAY:
– 33 –
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