Sharp MX-6500N / MX-7500N (serv.man20) Service Manual ▷ View online
MX-7500N SIMULATION 6 – 97
46-91
Purpose
Adjustment
Function (Purpose)
Used to adjust the reproduction capability
of black text.
Section
Operation/Procedure
1) Select an item to be set with the scroll key.
2) Enter the set value with 10-key.
3) Press [OK] key.
1) Select an item to be set with the scroll key.
2) Enter the set value with 10-key.
3) Press [OK] key.
The adjustment value is set.
When COLOR key or MONO key is pressed, the adjustment value
is set and a copy is made simultaneously.
NOTE: This must be set to the default unless any change is specially required.
When the adjustment value is changed greatly from the initial value, an image quality trouble may occur.
48
48-1
Purpose
Adjustment
Function (Purpose)
Used to adjust the scan image magnifica-
tion ratio (in the main scanning direction
and the sub scanning direction).
Section
Operation/Procedure
1) Select a target adjustment item with scroll key on the touch
1) Select a target adjustment item with scroll key on the touch
panel.
2) Enter the set value with 10-key.
3) Press [OK] key.
3) Press [OK] key.
The set value is saved.
When the adjustment value is increased, the image magnification
ratio is increased.
A change of "1" in the adjustment value of item A, C, or E corre-
A change of "1" in the adjustment value of item A, C, or E corre-
sponds to a change of about 0.02% in the copy magnification ratio.
A change of "1" in the adjustment value of item B or D corresponds
A change of "1" in the adjustment value of item B or D corresponds
to a change of about 0.1% in the copy magnification ratio.
Item
Display
Content
Description
Setting
range
Default
value
A
SEGMENT PARAM
COMMON Area separation setting select
0: Other than image send mode black text
emphasis (simple, high compression)
1: Image send mode black text
emphasis (simple, high compression)
0 - 1
0
SPECIAL
B
BG: JPEG QUALITY LV [COL: COMPACT]
JPEG recompression level adjustment
[Color: High compression mode]
The JPEG compression ratio of the
background layer is selected.
0: Low
1: Middle
2: High
0 - 2
1
C
BG: JPEG QUALITY LV [COL: ULTRA FINE] JPEG recompression level adjustment
[Color: Ultra fine mode]
0 - 2
1
D
BG: JPEG QUALITY LV [GRY: COMPACT]
JPEG recompression level adjustment
[Gray: High compression mode]
0 - 2
1
E
BG: JPEG QUALITY LV [GRY: ULTRA FINE] JPEG recompression level adjustment
[Gray: Ultra fine mode]
0 - 2
1
F
FG: TARGET AREA
TYPE0
Front ground extraction area select
0: type0
0 - 2
0
TYPE1
1: type1
TYPE2
2: type2
G
FG: TEXT DENSITY [COL]
Front ground black text density
adjustment [Color]
The black text density in the front ground
layer is changed.
0: Dark - 5: Default - 10: Light
0 - 10
5
H
FG: TEXT DENSITY [GRY]
Front ground black text density
adjustment [Gray]
0 - 10
5
I
ULTRA FINE MODE
OFF
High compression/Ultra Fine mode
select
0: High compression mode
1: Ultra fine mode
0 - 1
0
ON
Item/Display
Content
Setting
range
Default
value
A CCD (MAIN)
SCAN main scanning
magnification ratio adjustment
(CCD)
1 - 99
50
B CCD (SUB)
SCAN sub scanning
magnification ratio adjustment
(CCD)
1 - 99
50
C SPF (MAIN)
DSPF document front surface
magnification ratio adjustment
(Main scan)
1 - 99
50
D SPF (SUB)
DSPF document front surface
magnification ratio adjustment
(Sub scan)
1 - 99
50
E SPFB (MAIN) DSPF document back surface
magnification ratio adjustment
(Main scan)
1 - 99
50
MX-7500N SIMULATION 6 – 98
48-5
Purpose
Adjustment
Function (Purpose)
Used to correct the scan image magnifica-
tion ratio (in the sub scanning direction).
Section
Scanner section
Operation/Procedure
1) Select a target adjustment item with scroll key on the touch
1) Select a target adjustment item with scroll key on the touch
panel.
2) Enter the set value with 10-key.
3) Press [OK] key.
3) Press [OK] key.
The set value is saved.
When the image magnification ratio in the sub scanning direction is
adjusted with SIM48-1, and a different magnification ratio is speci-
fied, and the image magnification ratio is not satisfactory, perform
this adjustment.
When there is an error in the image magnification ratio in reduction,
change the adjustment value in the high speed mode. When there
is an error in the image magnification ratio in enlargement, change
the adjustment value in the low speed mode.
48-6
Purpose
Adjustment
Function (Purpose)
Used to adjust the rotation speed of each
motor.
Section
Operation/Procedure
1) Select an adjustment target mode with [COLOR] [MONO]
1) Select an adjustment target mode with [COLOR] [MONO]
[HEAVY] keys on the touch panel.
2) Select a target adjustment item with scroll key on the touch
panel.
3) Enter the set value with 10-key.
4) Press [OK] key.
4) Press [OK] key.
The set value is saved.
When the adjustment value is increased, the speed is increased,
and vice versa. A change of 1 in the adjustment value corresponds
to a change of about 0.1% in the speed.
Item/Display
Content
Setting
range
Default
value
A MR (HI)
Scanner motor (High speed)
1 - 99
50
B MR(MID)
Scanner motor (Reference speed)
1 - 99
50
C MR(LO)
Scanner motor (Low speed)
1 - 99
50
D SPF(HI)
Document feed (SPF) motor
(High speed)
1 - 99
50
E SPF(MID)
Document feed (SPF) motor
(Reference speed)
1 - 99
50
Item/Display
Content
Mode
Setting
range
Default value
A RRM
Resist motor correction value
Color
COLOR
1 - 99
51
Monochrome
MONO
51
Low speed 1
LOW1
51
Low speed 2
LOW2
51
B BTM
1st transfer belt motor correction value
Color
COLOR
1 - 99
47
Monochrome
MONO
47
Low speed 1
LOW1
47
Low speed 2
LOW2
47
C BTM_2
2nd transfer belt motor correction value
Color
COLOR
1 - 99
47
Monochrome
MONO
47
Low speed 1
LOW1
47
Low speed 2
LOW2
47
D DM_K
Drum K motor correction value
Color
COLOR
1 - 99
47
Monochrome
MONO
47
Low speed 1
LOW1
47
Low speed 2
LOW2
47
E DM_CL
Drum CL motor correction value
Color
COLOR
1 - 99
47
Low speed 1
LOW1
47
Low speed 2
LOW2
47
F
FSM
Fusing motor correction value
Color
COLOR (*1)
1 - 99
39
Low speed 1
LOW1
45
Low speed 2
LOW2
45
G POM
Paper exit motor correction value
Color
COLOR (*1)
1 - 99
50
H PFM
Paper transport motor correction value
Color
COLOR (*1)
1 - 99
50
I
CPFM
Paper feed motor correction value
Color
COLOR (*1)
1 - 99
50
J
LCCM
LCC motor correction value
Color
COLOR (*1)
1 - 99
50
K LCHM1
LCC horizontal transportation1 motor correction
value
Color
COLOR (*1)
1 - 99
50
L
LCHM2
LCC horizontal transportation2 motor correction
value
Color
COLOR (*1)
1 - 99
50
MX-7500N SIMULATION 6 – 99
*1: Common items for color, monochrome, and heavy paper. The items are displayed only when the color button is highlighted.
M FUSER SETTING
Fusing speed select timing
Low speed 1
LOW1
1 - 99
35
Low speed 2
LOW2
48
N RRM START
RPM acceleration start timing
Low speed 1
LOW1
0 - 255
0
Low speed 2
LOW2
0
O RRM END
RPM acceleration start timing
Low speed 1
LOW1
0 - 255
200
Low speed 2
LOW2
200
Item/Display
Content
Mode
Setting
range
Default value
MX-7500N SIMULATION 6 – 100
49
49-1
Purpose
Function (Purpose)
Used to perform the firmware update.
Section
Operation/Procedure
1) Save the firmware to the USB memory.
2) Insert the USB memory into the main unit. (Use USB I/F of the
1) Save the firmware to the USB memory.
2) Insert the USB memory into the main unit. (Use USB I/F of the
operation panel section.)
3) Select a target firmware file for update with the touch panel.
4) Select a target firmware.
4) Select a target firmware.
Press [ALL] key to select all the Firmware collectively.
5) Press [EXECUTE] key.
6) Press [YES] key.
6) Press [YES] key.
The selected firmware is updated.
When the operation is normally completed, "COMPLETE" is
When the operation is normally completed, "COMPLETE" is
displayed. When terminated abnormally, "ERROR" is dis-
played.
49-3
Purpose
Function (Purpose)
Used to update the operation manual in the
HDD.
Section
Operation/Procedure
1) Insert the USB memory into the main unit.
1) Insert the USB memory into the main unit.
* When the USB is not inserted, "INSERT A STORANGE E-
MANUAL STORED ON" is displayed. When [OK] key is
pressed, the display is shifted to the folder select menu 1.
2) Press the folder button of the operation manual data. (The dis-
play is shifted to the operation manual update menu.)
The current version and the update version are displayed.
The current version and the update version are displayed.
3) Press [EXECUTE] key.
[EXECUTE] key is highlighted, and [YES] [NO] keys becomes
active from gray out.
4) When [YES] key is pressed, the selected operation manual is
updated.
When update is completed normally, "COMPLETE" is dis-
When update is completed normally, "COMPLETE" is dis-
played. When terminated abnormally, "ERROR" is displayed.
49-5
Purpose
Function (Purpose)
Used to perform the watermark update.
Section
Operation/Procedure
1) Insert the USB memory into the main unit.
2) Select the button of the folder to perform the watermark
1) Insert the USB memory into the main unit.
2) Select the button of the folder to perform the watermark
update.
3) The current version and the update version are displayed.
4) Press [EXECUTE] key.
5) Press [YES] key.
4) Press [EXECUTE] key.
5) Press [YES] key.
The selected watermark is updated.
49-10
Purpose
Function (Purpose)
Used to perform the ACU Firmware update.
Section
Operation/Procedure
1) Press [EXECUTE] key to update ACU firmware.
2) Press [YES] key.
1) Press [EXECUTE] key to update ACU firmware.
2) Press [YES] key.
The selected firmware is updated.
When the operation is normally completed, "COMPLETE" is
When the operation is normally completed, "COMPLETE" is
displayed. When terminated abnormally, "ERROR" is dis-
played.
50
50-1
Purpose
Adjustment
Function (Purpose)
Copy image position, image loss adjust-
ment
Section
Operation/Procedure
1) Select an adjustment target item with scroll key on the touch
1) Select an adjustment target item with scroll key on the touch
panel.
2) Enter the set value with 10-key.
Set the items other than RRCA, LEAD, and SIDE to the
default.
RRCA: Image lead edge reference position adjustment
LEAD: Lead edge image loss adjustment
RRCA: Image lead edge reference position adjustment
LEAD: Lead edge image loss adjustment
Display item
Content
Error
display
ICUM(MAIN)
ICUM Main
ICUMM
ICUM(BIOS)
ICUM BIOS
ICUMB
ICU1(MAIN)
ICU1 Main section former half
ICU1M
ICU1(BOOTM)
ICU1 Boot section main
ICU1B
ICU1(SUB)
ICU1 Sub section (ARM9)
ICU1S
ICU2
ICU2 program
ICU2
LANGUAGE
Language support data program
(General term)
LANG
SLIST
SLIST data for L-LCD
SLIST
EOSA
embedded OSA
EOSA
PCL(PROFILE)
PCL color profile
PCLP
PCU(BOOT)
PCU Boot section
PCUB
PCU(MAIN)
PCU Main section
PCUM
A4LCC(BOOT)
Side LCC (A4) Boot section
LCC4B
A4LCC(MAIN)
Side LCC (A4) Main section
LCC4M
A3LCC(BOOT)
Side LCC (A3) Boot section
LCC3B
A3LCC(MAIN)
Side LCC (A3) Main section
LCC3M
LCT1(BOOT)
A3LCT1 series Boot section
LCT1B
LCT1(MAIN)
A3LCT1 series Main section
LCT1M
LCT2(BOOT)
A3LCT2 series Boot section
LCT2B
LCT2(MAIN)
A3LCT2 series Main section
LCT2M
FIN(BOOT)
Inner finisher BOOT section
FINB
FIN(MAIN)
Inner finisher MAIN section
FINM
INSERTER(BOOT)
Inserter Boot section
INSB
INSERTER(MAIN)
Inserter Main section
INSM
4KFIN100(BOOT)
100 sheets staple 4K finisher Boot
section
100FB
4KFIN100(MAIN)
100 sheets staple 4K finisher Main
section
100FM
SADDLE100(MAIN)
100 sheets staple saddle unit Main
section
S100M
TRIMMER(MAIN)
100 sheets staple trimmer unit Main
section
TRIMM
FOLDER(MAIN)
Folding unit Main section
FOLDM
DECURLER(BOOT)
Relay unit (Decurling) Boot section
DECB
DECURLER(MAIN)
Relay unit (Decurling) Main section
DECM
STACKER1(BOOT)
STACKER1 series Boot section
STC1B
STACKER1(MAIN)
STACKER1 series Main section
STC1M
STACKER2(BOOT)
STACKER2 series Boot section
STC2B
STACKER2(MAIN)
STACKER2 series Main section
STC2M
SCU(BOOT)
SCU Boot section
SCUB
SCU(MAIN)
SCU Main section
SCUM
DSPF(BOOT)
DSPF Boot section
DSPFB
DSPF(MAIN)
DSPF Main section
DSPFM
ACRE(BOOT)
ACRE Boot section
ACREB
ACRE(MAIN)
ACRE Main section
ACREM
ACRE_DATA
ACRE table
ACRED
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