Sharp ER-A440 - Manual (Page 25)

3) Check items
a) 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-A440 STANDARD KEY BOARD LAYOUT>
4) Test termination
Change the mode switch position other than SRV position to termi-
nate the test.
The test terminates with the test and message printed
[3] R/J printer test
1) Key operation
2) Functional description
Display the following message.
Print the following characters.
3) Check items
a) The head of printing position must be exactly aligned for "RE-
CEIPT" and "JOURNAL".
b) Printed characters must be free of stain and blur.
4) Test termination
This check is terminated automatically.
[4] Keyboard test
1) Key operation
XXXX: Sumcheck data
Standard keyboard layout sumcheck data
ER-A440 2266
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]
[STANDARD KEYBOARD LAYOUT]
SUMCHECK DATA = 4A + 0E + 04 + 2B + 17 +
⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅
= 2266
Display the following message on the front display.
Key code
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
50
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
17
1 0 1
102 CA/AT
1 2 3 4 5 6 7 8 9 0
ZZZZZZZZZZZZZZZZZZZZZZZZ
ZZZZZZZZZZZZZZZZZZZZZZZZ
ZZZZZZZZZZZZZZZZZZZZZZZZ
<RECEIPT>
3 lines of Z(24 characters)
are printed
ZZZZZZZZZZZZZZZZZZZZZZZZ
ZZZZZZZZZZZZZZZZZZZZZZZZ
ZZZZZZZZZZZZZZZZZZZZZZZZ
<JOURNAL>
3 lines of Z(24 characters)
are printed
XXXX 104 CA/AT
44 43 3A 4D 4E
42 37 38 39 30 26
R J 3F 3E 3D 34 33 28 2D 23 2E 2F 25
4A 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
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
11
1 0 4
5 – 2