Sharp AL-1566 (serv.man13) Service Manual ▷ View online
AL-1556/1566 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 17
46
01
Copy density adjustment
(300dpi) (EXP.LEVEL 300)
(300dpi) (EXP.LEVEL 300)
[Function]
Copy density is set for each mode.
Copy density is set for each mode.
When this test command is executed, the current se value is displayed in 2 digits (Default: 50).
Change the set value and press [START] key to make a copy under the set value.
When the set value is increased, the copy becomes darker. When the set value is decreased, the
copy becomes lighter.
copy becomes lighter.
In this case, only Exp.3 copy is made. When, however, the setting is made to make darker copy,
Exp.1 and Exp.5 copies also become darker. When made to lighter copy, Exp1. and Exp.5 copies
become lighter, too.
Exp.1 and Exp.5 copies also become darker. When made to lighter copy, Exp1. and Exp.5 copies
become lighter, too.
Press [
←
/
→
] key to switch the mode. The set value of the selected mode is displayed on the LCD.
(Adjustment value: 1 – 99)
The setting procedure of the magnification ratio is the same as that to copy operation.
[Operation]
02
Copy density adjustment
(600dpi) (EXP.LEVEL 600)
(600dpi) (EXP.LEVEL 600)
[Function]
Copy density is set for each mode.
When this test command is executed, the current se value is displayed in 2 digits (Default: 50).
Change the set value and press [START] key to make a copy under the set value.
When the set value is increased, the copy becomes darker. When the set value is decreased, the
copy becomes lighter.
In this case, only Exp.3 copy is made. When, however, the setting is made to make darker copy,
Exp.1 and Exp.5 copies also become darker. When made to lighter copy, Exp1. and Exp.5 copies
become lighter, too.
Copy density is set for each mode.
When this test command is executed, the current se value is displayed in 2 digits (Default: 50).
Change the set value and press [START] key to make a copy under the set value.
When the set value is increased, the copy becomes darker. When the set value is decreased, the
copy becomes lighter.
In this case, only Exp.3 copy is made. When, however, the setting is made to make darker copy,
Exp.1 and Exp.5 copies also become darker. When made to lighter copy, Exp1. and Exp.5 copies
become lighter, too.
Press [
←
/
→
] key to switch the mode. The set value of the selected mode is displayed on the LCD.
(Adjustment value: 1 – 99)
[Operation]
The operation is similar to test command 46-01.
The operation is similar to test command 46-01.
Main
code
code
Sub
code
Contents
Details of function/operation
Mode
Display item
Default
LED
AE mode (300dpi)
AE
50
COPY mode lamp
TEXT mode (300dpi)
TEXT
50
PRINT mode lamp
PHOTO mode
PHOTO
50
SCAN mode lamp
TS mode (TEXT)(300dpi)
TSTXT
50
PRINT mode lamp
SCAN mode lamp
SCAN mode lamp
TS mode (AE)(300dpi)
TSAE
50
COPY mode lamp
SCAN mode lamp
SCAN mode lamp
1) Initial display
2) [
←
] Mode selection
2) [
→
] Mode selection
3) [10KEY] Value entry
4) [START] Fixing and printing value (No
change on the LCD)
∗
Print is started in the set mode.
4) To fix the set value without printing, press
[Enter] key.
∗
To cancel manual feed paper empty MSG,
press any key.
press any key.
∗
When performing the AE mode exposure
adjustment, place the test chart on the docu-
ment table so that the center area of 10cm is
not covered.
adjustment, place the test chart on the docu-
ment table so that the center area of 10cm is
not covered.
46-01 EXP.LEVEL 300
AE 100% 50( 1-99)
46-01 EXP.LEVEL 300
TSAE 100% 50( 1-99)
46-01 EXP.LEVEL 300
TEXT 100% 50( 1-99)
46-01 EXP.LEVEL 300
AE 100% 62( 1-99)
46-01 EXP.LEVEL 300
AE 100% 62( 1-99)
46-01 EXP.LEVEL 300
AE 100% 62( 1-99)
Mode
Display item
Default
LED
AE mode (600dpi)
AE
50
COPY mode lamp
TEXT mode (600dpi)
TEXT
50
PRINT mode lamp
PHOTO mode
PHOTO
50
SCAN mode lamp
TS mode (TEXT) (600dpi)
TSTXT
50
PRINT mode lampSCAN mode lamp
TS mode (AE) (600dpi)
TSAE
50
COPY mode lampSCAN mode lamp
AL-1556/1566 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 18
46
12
Density adjustment in the
FAX mode (Collective
adjustment) (AL-1566)
FAX mode (Collective
adjustment) (AL-1566)
[Function]
When [START] key is pressed, scan is executed with the entered exposure adjustment value and the
data stored on the FAX side is rewritten into the entered value.
When [START] key is pressed, scan is executed with the entered exposure adjustment value and the
data stored on the FAX side is rewritten into the entered value.
All data of the exposure adjustment values are rewritten into the same value.
For the density adjustment table data, refer to TC46-13 (density adjustment (normal text) in the FAX
mode).
mode).
[Operation]
13
FAX mode density
adjustment (normal text)
(AL-1566)
adjustment (normal text)
(AL-1566)
[Function]
Scan is started with the exposure adjustment value entered with [START] key, and the stored data of
the selected mode on the FAX side is rewritten into the input value.
Scan is started with the exposure adjustment value entered with [START] key, and the stored data of
the selected mode on the FAX side is rewritten into the input value.
[Operation]
14
FAX mode density
adjustment (Fine text)
(AL-1566)
adjustment (Fine text)
(AL-1566)
[Function]
When [START] key is pressed, scan is started with the entered exposure adjustment value and the
data of the selected mode on the FAX side is changed to the entered value.
When [START] key is pressed, scan is started with the entered exposure adjustment value and the
data of the selected mode on the FAX side is changed to the entered value.
For the density adjustment value table data, refer to TC46-13 (FAX mode density adjustment (normal
text).)
text).)
[Operation]
Main
code
code
Sub
code
Contents
Details of function/operation
1) Initial display
("XX" is the exposure adjustment value of nor-
mal text stored on the FAX side.)
mal text stored on the FAX side.)
2) Enter a 2-digit value as the exposure adjust-
ment value.
("YY" is the entered exposure adjustment
value.)
value.)
3) Scan is started (self print), and the LED of
[START] key is turned off.
4) Print is started (self print).
After completion of printing, returns to “2)” dis-
play.
play.
ADJUST EXP. AUTO
XX
ADJUST EXP. AUTO
YY
ADJUST EXP. AUTO
SCAN YY
ADJUST EXP. AUTO
PRINT YY
Density adjustment value data table
When initializing each data: 50
Mode
Photo
Exposure adjustment value
STD (Normal text)
off
Fine (Fine text)
on
off
off
Sfine (Super fine)
on
off
1) Initial display
("XX" is the corresponding exposure adjustment
value of normal text mode stored on the FAX
side.)
value of normal text mode stored on the FAX
side.)
2) Enter a 2-digit value as the exposure adjust-
ment value with [10KEY].
("YY" is the entered exposure adjustment
value.)
value.)
3) Scan is started (self print), and the LED of
[START] key is turned off.
4) Print is started (self print).
After completion of printing, returns to “2)”
display.
display.
ADJUST EXP. STD
XX
ADJUST EXP. STD
YY
ADJUST EXP. STD
SCAN YY
ADJUST EXP. STD
PRINT YY
1) Initial display
("XX" is the corresponding exposure adjustment
value of the fine text mode stored on the FAX
side.)
value of the fine text mode stored on the FAX
side.)
2) Enter a 2-digit value as the exposure adjust-
ment value with [10KEY].
("YY" is the entered exposure adjustment
value.)
value.)
3) Scan start (self print)
4) Print start (self print)
After completion of printing, returns to “2)”
display.
display.
ADJUST EXP. FINE
XX
ADJUST EXP. FINE
YY
ADJUST EXP. FINE
SCAN YY
ADJUST EXP. AUTO
PRINT YY
AL-1556/1566 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 19
46
15
FAX mode density
adjustment (Super fine)
(AL-1566)
adjustment (Super fine)
(AL-1566)
[Function]
When [START] key is pressed, scan is started with the entered exposure adjustment value and the
data of the selected mode on the FAX side is changed to the entered value.
When [START] key is pressed, scan is started with the entered exposure adjustment value and the
data of the selected mode on the FAX side is changed to the entered value.
For the density adjustment value table data, refer to TC46-13 (FAX mode density adjustment (normal
text).)
text).)
[Operation]
18
Image contrast adjustment
(300dpi) (GAMMA 300)
(300dpi) (GAMMA 300)
[Function]
Contrast is set for each mode.
When this test command is executed, the current se value is displayed in 2 digits (Default: 50).
Change the set value and press [START] key to make a copy under the set value.
When the set value is increased, the contrast becomes higher. When the set value is decreased, the
contrast becomes lower.
In this case, only Exp.3 copy is made. When, however, the setting is made to make higher contrast,
Exp.1 and Exp.5 copies also become in higher contrast. When made to a lower contrast, Exp1. and
Exp.5 copies become lower contrast, too.
Press [
Contrast is set for each mode.
When this test command is executed, the current se value is displayed in 2 digits (Default: 50).
Change the set value and press [START] key to make a copy under the set value.
When the set value is increased, the contrast becomes higher. When the set value is decreased, the
contrast becomes lower.
In this case, only Exp.3 copy is made. When, however, the setting is made to make higher contrast,
Exp.1 and Exp.5 copies also become in higher contrast. When made to a lower contrast, Exp1. and
Exp.5 copies become lower contrast, too.
Press [
←
/
→
] key to switch the mode. The set value of the selected mode is displayed on the LCD.
(Adjustment value: 1 – 99)
∗
No density display on LCD.
[Operation]
The operation is similar to test command 46-01.
The operation is similar to test command 46-01.
Main
code
code
Sub
code
Contents
Details of function/operation
1) Initial display
("XX" is the corresponding exposure adjustment
value of the super fine mode stored on the FAX
side.)
value of the super fine mode stored on the FAX
side.)
2) Enter a 2-digit value as the exposure adjust-
ment value with [10KEY].
("YY" is the entered exposure adjustment
value.)
value.)
3) Scan start (self print)
4) Print start (self print)
After completion of printing, returns to “2)”
display.
display.
ADJUST EXP. S-FINE
XX
ADJUST EXP. S-FINE
YY
ADJUST EXP. S-FINE
SCAN YY
ADJUST EXP. S-FINE
PRINT YY
Mode
Display item
Default
LED
AE mode (300dpi)
AE
50
COPY mode lamp
TEXT mode (300dpi)
TEXT
50
PRINT mode lamp
PHOTO mode
PHOTO
50
SCAN mode lamp
TS mode (TEXT) (300dpi)
TSTXT
50
PRINT mode lamp
SCAN mode lamp
SCAN mode lamp
TS mode (AE) (300dpi)
TSAE
50
COPY mode lamp
SCAN mode lamp
SCAN mode lamp
AL-1556/1566 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 20
46
19
Exposure mode setting (AE
MODE)
MODE)
[Function]
<
<
γ
table setting>
When this test command is executed, the code number of the current set gamma table is displayed.
(Default: Japan -1/Ex Japan -2)
Enter the code number corresponding to the desired gamma table, and press [
(Default: Japan -1/Ex Japan -2)
Enter the code number corresponding to the desired gamma table, and press [
←
/
→
] key to change
the mode and write into the EEPROM.
<AE operation mode>
When setting the
γ
table, press [
→
] key to change to the AE operation mode, and the current set code
number of the AE operation mode is displayed. (Default: 0)
Enter the code number corresponding to the desired AE operation mode and press [
Enter the code number corresponding to the desired AE operation mode and press [
←
/
→
] key to
change the mode and write into the EEPROM.
<PHOTO image process setting>
When [
→
] key is pressed in AE operation mode setting, the mode is changed to the PHOTO image
process setting and the code number of the current set PHOTO image process setting is displayed.
(Default: 0)
Enter the code number corresponding to the desired PHOTO image process setting and press [
(Default: 0)
Enter the code number corresponding to the desired PHOTO image process setting and press [
←
/
→
]
key to change the mode and write into the EEPROM.
[Operation]
20
SPF exposure correction
(EXP.LEVEL SPF)
(EXP.LEVEL SPF)
[Function]
Used to adjust the exposure correction amount in the SPF mode. The adjustment is made by adjust-
ing Vref voltage variation for the OC mode.
Used to adjust the exposure correction amount in the SPF mode. The adjustment is made by adjust-
ing Vref voltage variation for the OC mode.
When this test command is executed, the current set value is displayed in 2 digits (Default: 50).
Change the set value and press [START] key to save the setting and make a copy.
Change the set value and press [START] key to save the setting and make a copy.
When the set value is increased, copy becomes darker. When the set value is decreased, copy
becomes lighter. (Adjustment range: 1 – 99)
becomes lighter. (Adjustment range: 1 – 99)
[Operation]
The operation is similar to test command 46-01.
The operation is similar to test command 46-01.
Main
code
code
Sub
code
Contents
Details of function/operation
Mode
Display item
Code number
Setting content
Remark
γ
GAMMA
1
Image quality priority mode
Japan default
2
Toner consumption priority mode
EX Japan default
AE
AE
0
Lead edge stop
Default
1
Real time process
PHOTO
PHOTO
1
Error diffusion process
Default
2
Dither process
1) Initial display
<
γ
table setting>
2) [
→
] Mode selection
2) [
←
] Mode selection
3) [10KEY] Value input
4) [OK/START] Save the set
value. The machine goes
to the sub code entry
standby mode.
to the sub code entry
standby mode.
46-19 AE MODE
GAMMA 2( 1-2)
46-19 AE MODE
AE 0( 0-1)
46-19 AE MODE
PHOTO 1( 1-2)
46-19 AE MODE
AE 1( 0-1)
Mode
Display item
Default
Remark
SPF
SPF
50
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