Sharp AL-1566 (serv.man13) Service Manual ▷ View online
AL-1556/1566 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 5
5
01
Operation panel display
check (LCD/LED CHK)
check (LCD/LED CHK)
[Function]
<LED check mode (All ON/Individual ON)>
When [OK/START] key is pressed, all the LCD's on the operation panel are turned ON (all pixels ON).
<LED check mode (All ON/Individual ON)>
When [OK/START] key is pressed, all the LCD's on the operation panel are turned ON (all pixels ON).
After 5sec of ON, the machine goes into the sub code entry standby mode.
When [MODE SWITCH] key is pressed under the all ON state, the mode is shifted to the individual
ON mode, where the LED's are turned on one by one from the left upper end to the left lower side
then from the right upper side to the right lower side. (All the pixels of LCD are lighted simultaneously.)
After lighting all the LCD's sequentially, all the LCD's are lighted simultaneously. After 5sec from light-
ing all the LCD's simultaneously, the machine goes into the sub code entry standby mode. (Cycle of
individual ON mode: ON 300ms, OFF 20ms)
ON mode, where the LED's are turned on one by one from the left upper end to the left lower side
then from the right upper side to the right lower side. (All the pixels of LCD are lighted simultaneously.)
After lighting all the LCD's sequentially, all the LCD's are lighted simultaneously. After 5sec from light-
ing all the LCD's simultaneously, the machine goes into the sub code entry standby mode. (Cycle of
individual ON mode: ON 300ms, OFF 20ms)
When [C] key is pressed in the LED check mode, the machine goes into the sub code entry standby
mode.
mode.
When [START] key is pressed, the machine goes into the key input check mode.
<Key input check mode>
When the machine goes into the key input check mode, the LCD displays 0.
When the machine goes into the key input check mode, the LCD displays 0.
When any key is pressed after pressing a key on the operation panel, "+1" is added to the value.
Once a key is pressed, it is not recounted.
When [START] key is pressed, counting is made and the machine goes into the LED ON check mode
(LED all ON status) after 3sec.
(LED all ON status) after 3sec.
When [C] key is pressed for the first time, it is counted. When it is pressed for the second time, the
machine goes into the sub code entry mode.
machine goes into the sub code entry mode.
When [CA] key is pressed for the first time, it is counted. When it is pressed for the second time, the
machine goes out from the test command mode.
machine goes out from the test command mode.
(Note in the key input check mode)
• Be sure to press [START] key at the last. (If it is pressed on the way, the machine goes into the LED
• Be sure to press [START] key at the last. (If it is pressed on the way, the machine goes into the LED
ON check mode.) (LED all ON status)
• Multi key input is ignored.
[Operation]
<LED check mode (All ON/Individual ON)>
<LED check mode (All ON/Individual ON)>
<Key input check mode>
02
Fusing lamp, cooling fan
operation check (HT LAMP
CHK)
operation check (HT LAMP
CHK)
[Function]
When [OK/START] key is pressed, the fusing lamp repeats ON for 500ms and OFF for 500ms 5
times. During this period, the cooling fan motor rotates.
When [OK/START] key is pressed, the fusing lamp repeats ON for 500ms and OFF for 500ms 5
times. During this period, the cooling fan motor rotates.
[Operation]
03
Copy lamp ON check
(C-LAMP CHK)
(C-LAMP CHK)
[Function]
When [OK/START] key is pressed, the copy lamp turns ON for 5sec.
When [OK/START] key is pressed, the copy lamp turns ON for 5sec.
[Operation]
Main
code
code
Sub
code
Contents
Details of function/operation
1) Initial
display
2) When [MODE SWITCH] key is pressed, the machine goes into the individual ON mode.
■■■■■■■■■■■■■■■■■■■■■
■■■■■■■■■■■■■■■■■■■■■
1) Initial display
2) [OK/START]
05-01 LCD/LED CHK.
0
05-01 LCD/LED CHK.
**
1) Initial display
05-02 HT LAMP CHK
EXECUTING...
1) Initial display
05-03 C-LAMP CHK
EXECUTING...
AL-1556/1566 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 6
6
01
Paper feed solenoid
(CPFS1, CPFS2, MPFS)
operation check (PSOL
CHK)
(CPFS1, CPFS2, MPFS)
operation check (PSOL
CHK)
[Function]
When [OK/START] key is pressed, the selected paper feed solenoid repeats ON for 500ms and OF
for 500ms 20times.
When [OK/START] key is pressed, the selected paper feed solenoid repeats ON for 500ms and OF
for 500ms 20times.
When [
←
/
→
/10KEY] is pressed, the paper feed solenoid setting is switched.
[Operation]
02
Resist roller solenoid (RRS)
operation check (RES.R
SOL CHK)
operation check (RES.R
SOL CHK)
[Function]
When [OK/START] key is pressed, the resist solenoid repeats ON for 500ms and OFF for 500ms 20
times.
When [OK/START] key is pressed, the resist solenoid repeats ON for 500ms and OFF for 500ms 20
times.
[Operation]
7
01
Check of warm-up display
and aging with JAM (W-UP/
AGING)
and aging with JAM (W-UP/
AGING)
[Function]
Copying is repeated to make the set quantity of copies.
When the test command is executed, warm-up is started and warm-up time is added for every second
from 0 and displayed.
When warm-up is completed, addition is stopped. When [CA] key is pressed, the ready lamp lights up.
After that, enter the copy quantity with [10KEY] and press [OK/START] key to repeat copying of the
set quantity (interval 0sec).
To cancel the test command, turn off the power or execute a test command which causes hardware
reset.
Copying is repeated to make the set quantity of copies.
When the test command is executed, warm-up is started and warm-up time is added for every second
from 0 and displayed.
When warm-up is completed, addition is stopped. When [CA] key is pressed, the ready lamp lights up.
After that, enter the copy quantity with [10KEY] and press [OK/START] key to repeat copying of the
set quantity (interval 0sec).
To cancel the test command, turn off the power or execute a test command which causes hardware
reset.
[Operation]
06
Interval aging (INTERVAL
AGING)
AGING)
[Function]
Copying is repeated to make the set quantity of copies.
When the test command is executed, warm-up is performed and the ready lamp is lighted.
Enter the copy quantity with the [10KEY] and press [OK/START] key, and copying is executed to
make the set quantity of copies, and the ready state is kept for 3sec, and copying is executed again to
make the set quantity of copies. These operations are repeated.
To cancel the test command, turn off the power or execute a test command which executes hardware
reset.
Copying is repeated to make the set quantity of copies.
When the test command is executed, warm-up is performed and the ready lamp is lighted.
Enter the copy quantity with the [10KEY] and press [OK/START] key, and copying is executed to
make the set quantity of copies, and the ready state is kept for 3sec, and copying is executed again to
make the set quantity of copies. These operations are repeated.
To cancel the test command, turn off the power or execute a test command which executes hardware
reset.
[Operation]
08
Shift to copy with warm-up
display (W-UP C-MODE)
display (W-UP C-MODE)
[Function]
Enter the test command code, and warm-up is started and warm-up time is counted for every second
from 0 and displayed.
When [CA] key is pressed during counting up, "0" is displayed on the display and counting is stopped.
However, warm-up is continued.
After completion of warm-up, counting is terminated. (The aging function is removed from test com-
mand 7-01.)
Enter the test command code, and warm-up is started and warm-up time is counted for every second
from 0 and displayed.
When [CA] key is pressed during counting up, "0" is displayed on the display and counting is stopped.
However, warm-up is continued.
After completion of warm-up, counting is terminated. (The aging function is removed from test com-
mand 7-01.)
[Operation]
Main
code
code
Sub
code
Contents
Details of function/operation
Code number
Setting
Remark
0
CPFS1
1
CPFS2
Operation is possible only when No. 2 cassette is installed.
2
MPFS
1) Initial display
2) [
→
/10KEY]
2) [
←
/10KEY]
3) [OK/START]
4) Returns to the initial display.
06-01 PSOL CHK
0:CPFS1
06-01 PSOL CHK
1:CPFS2
06-01 PSOL CHK
2:MPFS
06-01 PSOL CHK
EXECUTING...
1) Initial display
06-02 RES.R SOL CHK
EXECUTING...
1) Initial display
2) After 10sec
07-01 W-UP/AGING
0
07-01 W-UP/AGING
10
1) Initial display (Basic display of copy)
READY TO COPY
100% A4 0
1) Initial display
2) After 10sec
07-08 W-UP C-MODE
0
07-08 W-UP C-MODE
10
AL-1556/1566 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 7
8
01
Developing bias output
(DVLP BIAS SET.)
(DVLP BIAS SET.)
[Function]
When [OK/START] key is pressed, the developing bias signal is turned ON for 30sec.
When [OK/START] key is pressed, the developing bias signal is turned ON for 30sec.
When, however, an actual output value is measured, use test command 25-01.
After completion of this process, the machine goes into the sub code entry standby mode.
[Operation]
02
Main charger output (Grid
HIGH) (MHV(H) SET.)
HIGH) (MHV(H) SET.)
[Function]
When [OK/START] key is pressed, the main charger is outputted for 30sec in the grid voltage HIGH
move.
When [OK/START] key is pressed, the main charger is outputted for 30sec in the grid voltage HIGH
move.
After completion of this process, the machine goes into the sub code entry standby mode.
[Operation]
03
Main charger output (Grid
LOW) (MHV(L) SET.)
LOW) (MHV(L) SET.)
[Function]
When [OK/START] key is pressed, the main charger is outputted for 30sec in the grid voltage LOW
move.
When [OK/START] key is pressed, the main charger is outputted for 30sec in the grid voltage LOW
move.
After completion of this process, the machine goes into the sub code entry standby mode.
[Operation]
06
Transfer charger output
(THV SET.)
(THV SET.)
[Function]
When [OK/START] key is pressed, the transfer charger is outputted for 30sec.
When [OK/START] key is pressed, the transfer charger is outputted for 30sec.
After completion of this process, the machine goes into the sub code entry standby mode.
[Operation]
9
01
Duplex motor normal
rotation check (DPLX ROT.)
rotation check (DPLX ROT.)
[Function]
Use the duplex motor Bios to drive the duplex motor in the normal direction (paper exit direction) for
30sec.
Use the duplex motor Bios to drive the duplex motor in the normal direction (paper exit direction) for
30sec.
After completion of this process, the machine goes into the sub code entry standby mode.
[Operation]
02
Duplex motor reverse
rotation check (DPLX
ROT.REV.)
rotation check (DPLX
ROT.REV.)
[Function]
Use the duplex motor Bios to drive the duplex motor in the reverse direction for 30sec.
Use the duplex motor Bios to drive the duplex motor in the reverse direction for 30sec.
After completion of this process, the machine goes into the sub code entry standby mode.
[Operation]
04
Duplex motor rotating speed
adjustment (DPLX
ROT.SPEED)
adjustment (DPLX
ROT.SPEED)
[Function]
When this Test Command is executed, the currently set value is displayed.
Enter the adjustment value with [10KEY] and press [START] key. The entered value is stored and the
machine goes into the sub code entry standby mode. The greater the set value is, the higher the
speed is. The smaller the set value is, the lower the speed is. (Setting range: 1 - 13, Default: 6)
When this Test Command is executed, the currently set value is displayed.
Enter the adjustment value with [10KEY] and press [START] key. The entered value is stored and the
machine goes into the sub code entry standby mode. The greater the set value is, the higher the
speed is. The smaller the set value is, the lower the speed is. (Setting range: 1 - 13, Default: 6)
Main
code
code
Sub
code
Contents
Details of function/operation
1) Initial display
08-01 DVLP BIAS SET.
EXECUTING...
1) Initial display
08-02 MHV(H) SET.
EXECUTING...
1) Initial display
08-03 MHV(L) SET.
EXECUTING...
1) Initial display
08-03 THV SET.
EXECUTING...
1) Initial display
09-01 DPLX ROT.
EXECUTING...
1) Initial display
09-02 DPLX ROT.REV.
EXECUTING...
1) Initial display
2) [10KEY]
3) [OK/START]
09-04 DPLX ROT.SPEED
6( 1-13)
09-04 DPLX ROT.SPEED
7( 1-13)
09-04 DPLX ROT.SPEED
7( 1-13)
AL-1556/1566 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 8
10
00
Toner motor operation
(TONER MOTOR)
(TONER MOTOR)
[Function]
When [OK/START] key is pressed, the toner motor is rotated for 30sec.
When [OK/START] key is pressed, the toner motor is rotated for 30sec.
After completion of this process, the machine goes into the main code entry standby mode.
[Operation]
14
00
Cancel of trouble other than
U2 (TRBL CANC.)
U2 (TRBL CANC.)
[Function]
Used to cancel troubles other than U2.
Used to cancel troubles other than U2.
∗
Cancel troubles such as H trouble which writes data into EEPROM, and perform hardware reset.
[Operation]
16
00
U2 trouble cancel (U2 TRBL
CANC.)
CANC.)
[Function]
Used to cancel U2 trouble.
Used to cancel U2 trouble.
When [OK/START] key is pressed, check sum of the total counter in the EEPROM is rewritten and
hardware reset is made.
hardware reset is made.
[Operation]
22
04
JAM total counter display
(JAM TTL CNT)
(JAM TTL CNT)
[Function]
The JAM total counter is displayed.
The JAM total counter is displayed.
[Operation]
05
Total counter display (TTL
CNT)
CNT)
[Function]
The total counter value is displayed.
The total counter value is displayed.
[Operation]
08
SPF counter display (SPF
CNT)
CNT)
[Function]
The SPF counter is displayed.
The SPF counter is displayed.
[Operation]
11
FAX-related counter display
(AL-1566)
(AL-1566)
[Function]
The FAX-related counter is displayed.
The FAX-related counter is displayed.
[Operation]
Main
code
code
Sub
code
Contents
Details of function/operation
1) Initial display
10-00 TONER MOTOR
EXECUTING...
1) Initial display
14-00 TRBL CANC.
CLEARED
1) Initial display
16-00 U2 TRBL CANC.
CLEARED
1) Initial display
22-04 JAM TTL CNT
***,***
1) Initial display
22-05 TTL CNT
***,***
1) Initial display
22-08 SPF CNT
***,***
1) Initial display
∗
[CLEAR] key: FAX control is terminated.
2) Select 1
("xxx,xxx" is the current value.)
∗
[CLEAR] key: Returns to "1) Initial display".
2) Select 2
("xxxx: xxx. xx" is the current value.)
∗
[CLEAR] key: Returns to "1) Initial display".
SELECT COUNTER
1:PAGE 2:TIME
SEND PAGE:xxx,xxx
RECV PAGE:xxx,xxx
TX TIME:xxxx:xx.xx
RX TIME:xxxx:xx.xx
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