Sharp ER-A490 (serv.man2) Service Manual ▷ View online
105
E
-
-
-
-
-
105
Normal end
Error
(Including halt of check by
depressing any key.)
[6] Paper end sensor and near end sensor test
The paper end sensor and the near end sensor are optional units.
1
Key operation
106
→
TL
2
Functional description
State of the paper end and near end sensor is sensed and dis-
played.
State of the paper end and near end sensor is sensed and dis-
played.
3
Check the following items:
On and off actions of the paper end and near end sensors are
tested and their results are displayed.
ON/OFF check is performed for PES, NES and OPBS and the
display is checked.
On and off actions of the paper end and near end sensors are
tested and their results are displayed.
ON/OFF check is performed for PES, NES and OPBS and the
display is checked.
W: State of the NES
X: State of the RPES sensor
Y: State of the JPES sensor
Z: State of the OPBS sensor
X: State of the RPES sensor
Y: State of the JPES sensor
Z: State of the OPBS sensor
Display
W/X/Y/Z
Description
JPES
O
Paper end sensor (JOURNAL) not detected
1
Paper end sensor (JOURNAL) detected
RPES
O
Paper end sensor (RECEIPT) not detected
1
Paper end sensor (RECEIPT) detected
NES
O
Journal side paper roll near end detected.
1
Journal side paper roll near end not detected.
OPBS
O
Option ROM/RAM PWB detected
1
Option ROM/RAM PWB not detected
NOTE: "1" is always displayed when no sensor is used.
4
Test termination
Any key depression causes the test to terminate with the termina-
tion message on printout.
Any key depression causes the test to terminate with the termina-
tion message on printout.
106
Test termination print
[7] Calendar oscillator test
1
Key operation
108
→
TL
Functional description
This program is used to test the calendar oscillator function.
This program is used to test the calendar oscillator function.
2
Check the following items:
i)
i)
Testing blinking "–". (500ms ON and OFF)
3
Test termination
Any key depression terminates the test with the termination print.
Any key depression terminates the test with the termination print.
108
Test termination print
[8] SSP test
1
Key operation
109
→
TL
2
Functional description
If an SSP is programmed, its contents are automatically checked
and the result is printed.
If an SSP is programmed, its contents are automatically checked
and the result is printed.
3
Check the following items:
Check printing of the termination message.
Check printing of the termination message.
4
Test termination
The test terminates automatically after printing the termination
print.
The test terminates automatically after printing the termination
print.
109
E – – – – – 109
F – – – – – 109
Normal end print
Error print SSP table full print (NOTE)
Note: In this SSP check, set the data for check in the empty area of
SSP entry REG and erase the data for check after completion
of check. Therefore, SSP setting before check is not cleared.
If, therefore, there is no SSP entry REG remained for SSP
check, F-print (SSP entry register full print) is performed to
terminate the program without check.
of check. Therefore, SSP setting before check is not cleared.
If, therefore, there is no SSP entry REG remained for SSP
check, F-print (SSP entry register full print) is performed to
terminate the program without check.
[9] Drawer open sensor test
1
Key operation
110~111
→
GOT
2
Functional description
The drawer indicated by the job number is opened to check the
proper action.
Drawer opened:
The drawer indicated by the job number is opened to check the
proper action.
Drawer opened:
O indicated
Drawer closed:
C indicated
110: Drawer-1: Standard drawer
111: Drawer-2: Remote drawer
111: Drawer-2: Remote drawer
Y: O = Drawer opened
C = Drawer closed
X: 1 or 2
C = Drawer closed
X: 1 or 2
3
Check the following items:
a) Check opening of the specified drawer.
b) Check the display indication when the drawer is open and
a) Check opening of the specified drawer.
b) Check the display indication when the drawer is open and
closed.
4
Any key depression terminates the test with the termination print.
11X
Test termination print
X: 0~1
1
0 6
W
X Y
Z
7-SEGMENT DISPLAY:
R
J
S E N S .
S
DOT DISPLAY:
R V
7-SEGMENT DISPLAY:
T
I M E R
S
DOT DISPLAY:
R V
* *
* *
1
0 9
X
7-SEGMENT DISPLAY:
S
S P
T E S T
S
DOT DISPLAY:
R V
1
0 X
Y
7-SEGMENT DISPLAY:
D
R A
S
DOT DISPLAY:
R V
1,2
W E R X
– 35 –
[10] Display test 2
1
Key operation
116
→
TL
2
Content
The display CG’s built in CKDC4 are checked. The 256 CG’s are
divided into 32 blocks, and each 8 characters are displayed on the
dot display.
When initializing, the operation is started from CG code 00H ~
07H. When any key is pressed, each block is displayed sequen-
tially.
The display CG’s built in CKDC4 are checked. The 256 CG’s are
divided into 32 blocks, and each 8 characters are displayed on the
dot display.
When initializing, the operation is started from CG code 00H ~
07H. When any key is pressed, each block is displayed sequen-
tially.
"xy" shows the top code of each block in hexa-decimal. (Example:
A0, B8)
A0, B8)
3
Check content
1. Check that the display is correct.
2. Check for no blur, break, and unevenness.
1. Check that the display is correct.
2. Check for no blur, break, and unevenness.
4
Cancel
Set the mode key to other position than SRV mode, and the ma-
chine will stop after printing the end print.
Set the mode key to other position than SRV mode, and the ma-
chine will stop after printing the end print.
116
End print
[11] I/R interface test
For I/R communication test, A495PN/PF is used as the checker.
1
Key operation
Perform key operation of 117
Perform key operation of 117
→
TL to set the checker side to
the reception wait state.
On the machine to be tested, perform the following key operation.
118
On the machine to be tested, perform the following key operation.
118
→
TL
2
Details of test
1) Machine to be tested
The following data are transmitted in the ASK format.
Transmission data (9600BPS)
00,11,22,33,44,55,66,77,88,
99,AA,BB,CC,DD,EE,FF
99,AA,BB,CC,DD,EE,FF
1’) Checker
After receiving the data, they are transmitted in the ASK format.
2) Machine to be tested
If received data are the same as the transmitted data, it is
normal.
normal.
Normal reception print
ASK
OK
Abnormal reception print
ASK NG
After completion of printing, the following data are sent in the
IRDA format.
IRDA format.
Transmission data (9600BPS)
00,11,22,33,44,55,66,77,88,
99,AA,BB,CC,DD,EE,FF
99,AA,BB,CC,DD,EE,FF
2’) Checker
After receiving the data, they are sent in the IRDA format.
3) Machine to be tested
If received data are the same as the transmitted data, it is
normal.
normal.
Normal reception print
IRDA OK
Abnormal reception print
IRDA NG
3
Check item
Check the print contents (both ASK OK and IRDA OK).
Check the print contents (both ASK OK and IRDA OK).
4
Test end
The end print is made and the test is automatically terminated.
The end print is made and the test is automatically terminated.
1
1 6
7-SEGMENT DISPLAY:
X
Y
S
DOT DISPLAY:
R V
Machine to be tested
ASK communication
ASK reception wait
ASK reception
IRDA transmission
IRDA reception wait
IRDA reception
ASK data
IRDA data
ASK reception wait
IRDA reception wait
IRDA reception
IRDA transmission
ASK reception
ASK transmission
ASK transmission
Checker
ASK data
IRDA data
1
1 8
X X X
7-SEGMENT DISPLAY:
I
/ R
S E N D
S
DOT DISPLAY:
R V
1
1 7
X X X
7-SEGMENT DISPLAY:
I
/ R
R C E V
S
DOT DISPLAY:
R V
1
1 7
X X X
7-SEGMENT DISPLAY:
I
/ R
S E N D
S
DOT DISPLAY:
R V
1
1 8
X X X
7-SEGMENT DISPLAY:
I
/ R
R C E V
S
DOT DISPLAY:
R V
1
1 8
X X X
7-SEGMENT DISPLAY:
I
/ R
S E N D
S
DOT DISPLAY:
R V
1
1 7
X X X
7-SEGMENT DISPLAY:
I
/ R
R C E V
S
DOT DISPLAY:
R V
1
1 7
X X X
7-SEGMENT DISPLAY:
I
/ R
S E N D
S
DOT DISPLAY:
R V
1
1 8
X X X
7-SEGMENT DISPLAY:
I
/ R
R C E V
S
DOT DISPLAY:
R V
– 36 –
[12] Printer CG print
1
Key operation
119
→
TL
2
Content
The built-in characters are printed.
After printing each line, the mode switch is checked. If the switch is
set to another position than SRV mode, the program is stopped.
If the mode switch is set to SRV mode, printing is continued.
The standard characters are printed in 16 characters/line, and the
expanded characters (double-width characters) are printed in 8
characters/line.
First the standard characters are printed, then the expanded char-
acter.
The built-in characters are printed.
After printing each line, the mode switch is checked. If the switch is
set to another position than SRV mode, the program is stopped.
If the mode switch is set to SRV mode, printing is continued.
The standard characters are printed in 16 characters/line, and the
expanded characters (double-width characters) are printed in 8
characters/line.
First the standard characters are printed, then the expanded char-
acter.
3
Check content
The output print is checked to check that the CG’s are normally
printed.
The output print is checked to check that the CG’s are normally
printed.
4
Cancel
When any key is pressed, the operation is terminated after com-
pletion of one cycle. Or set the mode switch to another position
than SRV mode.
When any key is pressed, the operation is terminated after com-
pletion of one cycle. Or set the mode switch to another position
than SRV mode.
[13] Standard RAM test
1
Key operation
120
→
TL
2
Functional description
Perform the following check for the standard RAM 64 KByte
SRAM. The memory contents should not be changed before and
after the check.
Perform the following check for the standard RAM 64 KByte
SRAM. The memory contents should not be changed before and
after the check.
Perform the following processes for memory address to be
checked (1F0000H~1FFFFFH).
PASS1: Save memory data.
checked (1F0000H~1FFFFFH).
PASS1: Save memory data.
PASS2: Write data "0000H."
PASS3: Read and compare data "0000H," write data "5555H."
PASS4: Read and compare data "5555H," write data "AAAAH."
PASS5: Read and compare data "AAAAH."
PASS6: Restore the memory data.
PASS3: Read and compare data "0000H," write data "5555H."
PASS4: Read and compare data "5555H," write data "AAAAH."
PASS5: Read and compare data "AAAAH."
PASS6: Restore the memory data.
If a compare error occurs in the check sequence PASS1-PASS6,
an error print is made. If no error occurs through all address, the
check ends normally.
an error print is made. If no error occurs through all address, the
check ends normally.
The following address check is performed further.
Check point address = 1F0000H, 1F0001H
Check point address = 1F0000H, 1F0001H
1F0002H, 1F0004H
1F0008H, 1F0010H
1F0020H, 1F0040H
1F0080H, 1F0100H
1F0200H, 1F0400H
1F0800H, 1F1000H
1F2000H, 1F4000H
1F8000H
1F0008H, 1F0010H
1F0020H, 1F0040H
1F0080H, 1F0100H
1F0200H, 1F0400H
1F0800H, 1F1000H
1F2000H, 1F4000H
1F8000H
3
Check the following items:
Check the termination printout.
Check the termination printout.
4
Test termination
The test terminates after printing the termination printout.
Termination printout:
Normal termination
120
Abnormal termination
Ex – – – – –
120
@@@@@
X = 01: Data check error
02: Address check error
Note: When an error occurs, the error print is performed and the
check is terminated. The error occurrence address is shown in
hexadecimal at positions shown with
hexadecimal at positions shown with
@@@@@
.
[14] Standard ROM test
1
Key operation
130
→
TL
2
Functional description
Sum check of the standard ROM (C00000H - C7FFFFH) is per-
formed. If the lower two digits of SUM is 10H, it is normal.
Sum check of the standard ROM (C00000H - C7FFFFH) is per-
formed. If the lower two digits of SUM is 10H, it is normal.
3
Check the following items:
Check the printout after the test.
Check the printout after the test.
4
Test termination
The test automatically terminates with termination message.
The test automatically terminates with termination message.
Normal termination print
130
ROM
27040@@@@@
@@@@@
Error termination print
E – – – –
130
ROM
27040@@@@@
@@@@@
Note: "
@@@@@
" means the ROM version number.
The underlined section (10 bytes) of code table is provided in
the ROM as a standard and the table content is always printed.
the ROM as a standard and the table content is always printed.
The table position is the upper 10 digits of the ROM address.
The check sum correction address is the last address -0FH.
The check sum correction address is the last address -0FH.
[15] A/D conversion check
1
Key operation
151
→
GOT
2
Contents
The digital conversion value of the input signal to the CPU A/D
convertor is displayed sequentially. The display channel is
changes is approx. 1 sec. interval by timer control and is displayed
repeatedly.
The digital conversion value of the input signal to the CPU A/D
convertor is displayed sequentially. The display channel is
changes is approx. 1 sec. interval by timer control and is displayed
repeatedly.
Thermistor input
Vrf input: Vrf means the presumed voltage of VRF when VCC is
supposed to be +0.5V.
1
1 9
7-SEGMENT DISPLAY:
C
G
P R I N T
S
DOT DISPLAY:
R V
1
2 0
7-SEGMENT DISPLAY:
S
- R A M
T S
S
DOT DISPLAY:
R V
1
3 0
7-SEGMENT DISPLAY:
S
- R A M
T S
S
DOT DISPLAY:
R V
1
5 1
1
7-SEGMENT DISPLAY:
T
M
=
S
DOT DISPLAY:
R V
* * * *
* * * *
– 37 –
+24V input
Note: "XXXXX": The 10 bit data of the A/D convertor displayed in
decimal number.
Therefore, its connect may be 0000
Therefore, its connect may be 0000
∼
1024.
3
Confirmation
Check the display content.
Check the display content.
4
Termination
To when the mode switch is set to any mode other than SRV
mode, the termination print is made and the test is terminated.
To when the mode switch is set to any mode other than SRV
mode, the termination print is made and the test is terminated.
151
Test termination print
[16] Option RAM test
1
Key operation
200 or 201
→
TL
JOB
#NO.
RAM NO.
Memory to be
checked
Address area to be
checked
200
Option RAM
ER-02RA
200000H
∼
21FFFFH
201
ER-03RA
200000H
∼
27FFFFH
2
Content
The following check are performed for the optional RAM.
The following process is performed for memory addresses to be
checked.
The following check are performed for the optional RAM.
The following process is performed for memory addresses to be
checked.
PASS1: memory data save
PASS2: Data "0000H" write
PASS3: Data "0000H" read and comparison, data "5555H" write
PASS4: Data "5555H" read and comparison, data "AAAAH" write
PASS5: Data "AAAAH" read and comparison
PASS6: Memory data restore
PASS2: Data "0000H" write
PASS3: Data "0000H" read and comparison, data "5555H" write
PASS4: Data "5555H" read and comparison, data "AAAAH" write
PASS5: Data "AAAAH" read and comparison
PASS6: Memory data restore
If a compare error is found in the check sequence from PASS1 to
PASS6, error print (error code E1) is performed. If there is no error
found to the end of the last address, the operation is completed
normally.
PASS6, error print (error code E1) is performed. If there is no error
found to the end of the last address, the operation is completed
normally.
Then the following address check is performed. "
|
" shows a valid
address, and "
✕
" shows an invalid address.
In case of an error, error code E2 is printed.
Check Address
JOB#200
(ER-02RA)
JOB#201
(ER-03RA)
200000H
F
F
200001H
F
F
200002H
F
F
200004H
F
F
200008H
F
F
200010H
F
F
200020H
F
F
200040H
F
F
200080H
F
F
200100H
F
F
200200H
F
F
200400H
F
F
200800H
F
F
201000H
F
F
202000H
F
F
204000H
F
F
208000H
F
F
210000H
F
F
220000H
✕
F
240000H
✕
F
260000H
✕
F
3
Check the following items.
Check the termination print.
Check the termination print.
4
Test termination
The test terminates after printing the termination printout.
The test terminates after printing the termination printout.
Termination print
E01---
200
(ER-02RA data check error)
E02---
200
(ER-02RA address check error)
*****
E01---
200
(ER-03RA data check error)
E02---
201
(ER-03RA address check error)
******
E01---
200
(ER-02RA normal end)
E02---
201
(ER-03RA normal end)
******
: Error address
[17] Option ROM test
1
Key operation:
400
400
→
TL
2
Functional description:
A sum check is done for the option ROM (Address hex C80000H
thru C9FFFFH.)
A sum check is done for the option ROM (Address hex C80000H
thru C9FFFFH.)
3
Check the following items:
Check the termination printout.
Check the termination printout.
4
Test termination:
The test terminates after printing the termination printout.
The test terminates after printing the termination printout.
Termination printout
Normal termination
400
ROM
27010@@@@@
@@@@@
E – – – – –
400
ROM
27010@@@@@
@@@@@
The underlined section must be the same as the standard ROM
test specification. (Refer to JOB #130.)
test specification. (Refer to JOB #130.)
1
5 1
2
7-SEGMENT DISPLAY:
V
R
=
S
DOT DISPLAY:
R V
* * * *
* * * *
F
1
5 1
3
7-SEGMENT DISPLAY:
V
P
=
S
DOT DISPLAY:
R V
* * * *
* * * *
2
7-SEGMENT DISPLAY:
4
0
7-SEGMENT DISPLAY:
O
- R O M
T S
S
DOT DISPLAY:
R V
*
– 38 –
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