Read Sharp XE-A202 Service Manual online
XE-A202V
TEST FUNCTION
– 13 –
4
End of testing
When the test ends normally
104
When an error occurs
E- ~ - 104
Note: Calculation of key sumcheck data
The hard code (hexadecimal number) at the position (excluding
feed key) where there is an input data contact is added.
feed key) where there is an input data contact is added.
However, the end key (CA/AT/NS) is not added.
This data to which hard codes have been added is converted into
a decimal number value, which will become the sumcheck data
a decimal number value, which will become the sumcheck data
that will be entered when the Diag is started.
5) MODE SWITCH TEST
1
Key operation
2
Test procedure
The above x must be read in the correct order. (If the contact is
open, 9 will be displayed.)
3
Check:
The display during testing and the content of the completion print.
4
End of testing
When the test ends normally:
105
When an error occurs:
E- ~ - 105
6) PRINTER SENSOR TEST
1
Key operation
2
Test procedure
Check the status of paper end sensor and head up sensor.
3
Check the following:
X:1 - Paper present
Y:1 - Head DOWN
O - Out of paper
O - Head UP
4
End of testing
You can exit the test mode by pressing any key and the printer prints
the following:
1 0 6
7) CLOCK TEST
1
Key operation
2
Test procedure
3
Check that:
“-” blinks and the clock counts up.
4
End of testing
When any key is pressed, the date and time are printed and the test
mode will terminated.
8) DRAWER 1 OPEN AND SENSOR TEST
1
Key operation
2
Test procedure
3
Check that:
A) The drawer opens normally.
B) The sensor correctly indicates the status of the drawer 1.
*
On the XE-A202, “C” (CLOSED) is always displayed.
4
End of testing
You can exit the test mode by pressing any key. The printer prints
the following.
1 1 0
9) EXTERNAL RAM TEST
1
Key operation
2
Test procedure
The standard 128 Kbyte RAM is checked.
The contents of the memory are lost after this test.
The contents of the memory are lost after this test.
RAM(08000H ~ 27FFFH area) is tested in the following procedure:
a) Data in the test area is stored.
b) Write “00H”
c) Read and compare “00H” and then write”55H”
d) Read and compare “55H” and then write”AAH”
e) Read and compare “AAH”
f) Restore stored data.
If an error occurs at a step, the error is printed.
If an error does not occur, the following addresses are checked.
Addresses to be checked:
10000H , 10001H , 10002H , 10004H , 10008H
10010H , 10020H , 10040H , 10080H ,
10010H , 10020H , 10040H , 10080H ,
10100H , 10200H , 10400H , 10800H ,
11000H , 12000H , 14000H , 18000H ,
20000H
20000H
3
Check:
A) The completion print.
RCPT/PO
105
Display
1 0 5 X
MODE:
x
x
:
_PGM_ _ q _OP X/Z_REG_MGR_X1/Z1_X2/Z2____PGM
1
2
9
3
4
5
6
7
1
p
RCPT/PO
106
7-segment display:
1 0 6 X Y
RCPT/PO
107
7-segment display:
Displayed digit:
8 7 6 5 4 3 2 1
hour
min
sec
Blinks at an interval of 0.5 sec.
Display
1 0 6
XXXXXX - XXXXXX
year month day
hour min sec
RCPT/PO
110
Display
1 1 0
X
X: O = DRAWER OPEN
C = DRAWER CLOSED
RCPT/PO
120
Display
1 2 0
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