Sharp XE-A40S Wartungshandbuch PDF herunterladen (Seite 15)

XE-A40S

5 – 3

8. DRAWER 1 OPEN & SENSOR TEST

8.1. Key operation

8.2. Test procedure

8.3. Check that:

• The drawer 1 opens normally.

• Always displays O (Opened), because XE-A40S doesn't have an

open sensor.

8.4. End of testing

You can exit the test mode by pressing any key. The printer prints the

following.

9. EXTERNAL RAM TEST

9.1. Key operation

9.2. Test procedure

The standard 256 Kbyte RAM is checked.

The contents of memory must be stored before and after this test.

RAM (08000H ~ 27FFFH area and 30000H ~ 4FFFFH area) is tested

in the following procedure:

1) Store data in the test areas

2) Write "00H"

3) Read and compare "00H" and then write"55H"

4) Read and compare "55H" and then write "AAH"

5) Read and compare "AAH"

6) Restore stored data

If an error occurs at a step, the error is printed.

If any error does not occur, the following addresses are checked in

turns.

Addresses to be checked:

9.3. Check:

• The completion print.

9.4. End of testing

The program ends after printing as follows:

When an error occurs, the printer outputs the error message and the

address where the error has occurred in the area *****.

10. CPU INTERNAL RAM TEST

10.1. Key operation

10.2. Test procedure

The test program tests internal RAM (10 Kbytes) of the CPU.

The contents of memory must be stored before and after this test.

RAM (00400H ~ 02BFFH area) is tested in the following procedure.

1) Store data in the test area.

2) Write "00H"

3) Read and compare "00H" and then write "55H"

4) Read and compare "55H" and then write "AAH"

5) Read and compare "AAH"

6) Restore stored data

If an error occurs at a step, the error is printed.

If any error does not occur, the following addresses are checked in

turns.

Addresses to be checked:

10.3. Check:

The completion print.

10.4. End of testing

The test program ends after printing.

If an error occurs, the printer outputs the error message and the

address where the error has occurred in the area *****.

110 → RCPT/PO

1 1 0

120 → RCPT/PO

10000H , 10001H , 10002H , 10004H , 10008H ,

10010H , 10020H , 10040H , 10080H ,

10100H , 10200H , 10400H , 10800H ,

11000H , 12000H , 14000H , 18000H ,

20000H

30000H , 30001H , 30002H , 30004H , 30008H ,

30010H , 30020H , 30040H , 30080H ,

30100H , 30200H , 30400H , 30800H ,

31000H , 32000H , 34000H , 38000H ,

40000H

DRAWER

PGM

OP display

X:O=DRAWER OPENED

C = DRAWER CLOSED

RAM

PGM

OP display

120

When the test ends normally: 120

When the test end abnormally: Ex – – –

* * * * *

120

x = 1:Data error

x = 2:Address error

121 → RCPT/PO

01000H , 01001H , 01002H , 01004H , 01008H

01010H , 01020H , 01040H , 01080H ,

01100H , 01200H , 01400H , 01800H ,

02000H

When the test ends normally: 121

When the test end abnormally: Ex – – –

* * * * *

121

x = 1:Data error

x = 2:Address error

RAMCPU

PGM

OP display

121

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