Sharp MX-6500N / MX-7500N (serv.man20) Service Manual ▷ View online
MX-7500N SIMULATION 6 – 69
*1: The left of the correction value is the result of execution. The right is the reference value.
OTHER
LD PROCON
MD K REVISE(LD PROCON) : L1 *** L2 *** M ***
Drum membrane decrease laser power
voltage process control correction
(KCMY)
0 - 255
0
MD C REVISE(LD PROCON) : L1 *** L2 *** M ***
MD M REVISE(LD PROCON) : L1 *** L2 *** M ***
MD Y REVISE(LD PROCON) : L1 *** L2 *** M ***
MD M REVISE(LD PROCON) : L1 *** L2 *** M ***
MD Y REVISE(LD PROCON) : L1 *** L2 *** M ***
DL
MD K REVISE COL (DL) : L1 *** L2 *** M ***
Drum membrane decrease discharge light
quantity correction (%)
0 - 100
70
MD C REVISE COL (DL) : L1 *** L2 *** M ***
MD M REVISE COL (DL) : L1 *** L2 *** M ***
MD Y REVISE COL (DL) : L1 *** L2 *** M ***
MD M REVISE COL (DL) : L1 *** L2 *** M ***
MD Y REVISE COL (DL) : L1 *** L2 *** M ***
DL EV
MD K REVISE COL (DL EV) : L1 *** L2 *** M ***
Drum membrane decrease environment
discharge light quantity correction (%)
–100 - 100
0
MD C REVISE COL (DL EV) : L1 *** L2 *** M ***
MD M REVISE COL (DL EV) : L1 *** L2 *** M ***
MD Y REVISE COL (DL EV) : L1 *** L2 *** M ***
MD M REVISE COL (DL EV) : L1 *** L2 *** M ***
MD Y REVISE COL (DL EV) : L1 *** L2 *** M ***
DL2
MD K REVISE COL (DL2) : L1 *** L2 *** M ***
Drum membrane decrease after-transfer
discharge light quantity correction (%)
0 - 100
20
MD C REVISE COL (DL2) : L1 *** L2 *** M ***
MD M REVISE COL (DL2) : L1 *** L2 *** M ***
MD Y REVISE COL (DL2) : L1 *** L2 *** M ***
MD M REVISE COL (DL2) : L1 *** L2 *** M ***
MD Y REVISE COL (DL2) : L1 *** L2 *** M ***
DL2 EV
MD K REVISE COL (DL2 EV) : L1 *** L2 *** M ***
Drum membrane decrease after-transfer
environmental discharge light quantity
correction (%)
–100 - 100
0
MD C REVISE COL (DL2 EV) : L1 *** L2 *** M ***
MD M REVISE COL (DL2 EV) : L1 *** L2 *** M ***
MD Y REVISE COL (DL2 EV) : L1 *** L2 *** M ***
MD M REVISE COL (DL2 EV) : L1 *** L2 *** M ***
MD Y REVISE COL (DL2 EV) : L1 *** L2 *** M ***
DL2 TC
MD K REVISE COL (DL2 TC) : L1 *** L2 *** M ***
After-transfer discharge light quantity
correction (%) by the transfer current
–100 - 100
0
MD C REVISE COL (DL2 TC) : L1 *** L2 *** M ***
MD M REVISE COL (DL2 TC) : L1 *** L2 *** M ***
MD Y REVISE COL (DL2 TC) : L1 *** L2 *** M ***
MD M REVISE COL (DL2 TC) : L1 *** L2 *** M ***
MD Y REVISE COL (DL2 TC) : L1 *** L2 *** M ***
DL2 GB
MD K REVISE COL (DL2 GB) : L1 *** L2 *** M ***
After-transfer discharge light quantity
correction (%) by the grid bias
0 - 100
0
MD C REVISE COL (DL2 GB) : L1 *** L2 *** M ***
MD M REVISE COL (DL2 GB) : L1 *** L2 *** M ***
MD Y REVISE COL (DL2 GB) : L1 *** L2 *** M ***
MD M REVISE COL (DL2 GB) : L1 *** L2 *** M ***
MD Y REVISE COL (DL2 GB) : L1 *** L2 *** M ***
MC
MD K REVISE(MC) : L1 *** L2 *** M ***
Current correction (KCMY) by the MC
discharge time
0 - 90
1
MD C REVISE(MC) : L1 *** L2 *** M ***
MD M REVISE(MC) : L1 *** L2 *** M ***
MD Y REVISE(MC) : L1 *** L2 *** M ***
MD M REVISE(MC) : L1 *** L2 *** M ***
MD Y REVISE(MC) : L1 *** L2 *** M ***
MC EV
MD K REVISE(MC EV) : L1 *** L2 *** M ***
Environment MC current correction
(KCMY)
–90 - 90
0
MD C REVISE(MC EV) : L1 *** L2 *** M ***
MD M REVISE(MC EV) : L1 *** L2 *** M ***
MD Y REVISE(MC EV) : L1 *** L2 *** M ***
MD M REVISE(MC EV) : L1 *** L2 *** M ***
MD Y REVISE(MC EV) : L1 *** L2 *** M ***
CRUM
DESTINATION
Machine side management CRUM
destination
-
-
MODEL TYPE
Model type of the machine
0 - 1
0
CRUM DEST_K
Destination in the CRUM (CRUM data)
-
-
CRUM DEST_C
CRUM DEST_M
CRUM DEST_Y
CRUM DEST_M
CRUM DEST_Y
CNT
PROCON COUNT HV
High density process control execution
number
0 - 99999999
0
PROCON COUNT HT
Halftone process control execution umber
0 - 99999999
0
Mode
Item/Display (*: Correction value)
Content
Display range
Default
value
MX-7500N SIMULATION 6 – 70
44-12
Purpose
Operation data display
Function (Purpose)
Used to display the operation data of the
high density process control and the image
density sensor (registration sensor).
Section
Image process (Photoconductor/Develop-
ing)
Operation/Procedure
Select a display mode with [TARGET] [PATCH] keys.
Select a display mode with [TARGET] [PATCH] keys.
44-14
Purpose
Operation data display
Function (Purpose)
Used to display the output level of the tem-
perature and humidity sensor.
Section
Process (OPC drum, development)/Fusing/
LSU
Operation/Procedure
The output levels of the fusing temperature sensor, the machine
The output levels of the fusing temperature sensor, the machine
temperature sensor, and the humidity sensor are displayed.
Item
Display
item
Content
Display
range
Default
value
TARGET ADK_SL(K)
Development
characteristics gradient
coefficient (K)
–9.99 -
9.99
0
ADK_SL(C)
Development
characteristics gradient
coefficient (C)
–9.99 -
9.99
0
ADK_SL(M)
Development
characteristics gradient
coefficient (M)
–9.99 -
9.99
0
ADK_SL(Y)
Development
characteristics gradient
coefficient (Y)
–9.99 -
9.99
0
ADK_INT(K) Developing
characteristics intercept
coefficient (K)
–999.9 -
999.9
0
ADK_INT(C) Developing
characteristics intercept
coefficient (C)
–999.9 -
999.9
0
ADK_INT(M) Developing
characteristics intercept
coefficient (M)
–999.9 -
999.9
0
ADK_INT(Y) Developing
characteristics intercept
coefficient (Y)
–999.9 -
999.9
0
TARGET (K) Sensor target value set
value
0.00 -
255.00
0
TARGET
(C/M/Y)
Color sensor target set
value
0.00 -
255.00
0
PCS_F_
DARK
F sensor dark potential
0 - 255
0
PCS_C_
DARK
C sensor dark potential
0 - 255
0
PCS_R_
DARK
R sensor dark potential
0 - 255
0
PATCH
1-5
n-1
Patch data nth time
patch 1 (n=1-5)
0 - 255
0
n-2
Patch data nth time
patch 2 (n=1-5)
0 - 255
0
n-3
Patch data nth time
patch 3 (n=1-5)
0 - 255
0
n-4
Patch data nth time
patch 4 (n=1-5)
0 - 255
0
n-1
Patch data nth time
patch 1 (n=6-10)
0 - 255
0
n-2
Patch data nth time
patch 2 (n=6-10)
0 - 255
0
n-3
Patch data nth time
patch 3 (n=6-10)
0 - 255
0
n-4
Patch data nth time
patch 4 (n=6-10)
0 - 255
0
Display item
Description
Display range
TH_M
External air temperature
sensor temperature
External air temperature
sensor AD value
Temperature:
-40.0 - 150.0degrees C
(+/-0.1degrees C)
AD value: 0 - 1023
HUD_M
External air humidity sensor
humidity
External air sensor AD value
Humidity:
0.0 - 100.0% (+/-0.1)
AD value: 0 - 1023
TH1_LSU
LSU thermistor 1
temperature
LSU thermistor 1 A/D value
Temperature:
0.0 - 255.0degrees C (+/
-0.1degrees C)
AD value: 0 - 255
TH2_LSU
LSU thermistor 2
temperature
LSU thermistor 2 A/D value
Temperature:
0.0 - 255.0degrees C (+/
-0.1degrees C)
AD value: 0 - 255
TH_UM
Fusing upper main
thermistor temperature
Fusing upper main
thermistor (differential) AD
value
Temperature:
0 - 255 degrees C (+/-1
degrees C)
AD value: 0 - 1023
TH_UM_CS
Fusing upper main
thermistor (compensation)
temperature
Fusing upper main
thermistor (compensation)
AD value
Temperature:
0.0 - 255.0 degrees C (+/
-0.1 degrees C)
AD value: 0 - 1023
TH_UM_D
Fusing upper main
thermistor (detection) AD
value
AD value: 0 - 1023
TH_US1
Fusing upper sub thermistor
temperature
Fusing upper sub thermistor
(differential) AD value
Temperature:
0 - 255 degrees C (+/-1
degrees C)
AD value: 0 - 1023
TH_US1_CS
Fusing upper sub thermistor
(compensation) temperature
Fusing upper sub thermistor
(compensation) AD value
Temperature:
0.0 - 255.0 degrees C (+/
-0.1 degrees C)
AD value: 0 - 1023
TH_US1_D
Fusing upper sub thermistor
(detection) AD value
AD value: 0 - 1023
TH_LM1
Fusing lower main
thermistor temperature
Fusing lower main
thermistor (differential) AD
value
Temperature:
0 - 255 degrees C (+/-1
degrees C)
AD value: 0 - 1023
TH_LM1_CS
Fusing lower main
thermistor (compensation)
temperature
Fusing lower main
thermistor (compensation)
AD value
Temperature:
0.0 - 255.0 degrees C (+/
-0.1 degrees C)
AD value: 0 - 1023
TH_LM1_D
Fusing lower main
thermistor (detection) AD
value
AD value: 0 - 1023
TH_US2
Fusing upper sub thermistor
2 temperature
Fusing upper sub thermistor
2 AD value
Temperature:
0 - 255 degrees C (+/-1
degrees C)
TH_LM2
Fusing lower main
thermistor 2 temperature
Fusing lower main
thermistor 2 AD value
Temperature:
0 - 255 degrees C (+/-1
degrees C)
AD value: 0 - 1023
MX-7500N SIMULATION 6 – 71
44-15
Purpose
Setting
Function (Purpose)
Used to set the OPC drum idle rotation.
Section
Process
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.
The initial value must be set unless any special change is required.
1) Select an item to be set with the scroll key.
2) Enter the set value with 10-key.
3) Press [OK] key.
The initial value must be set unless any special change is required.
The execution YES/NO of the OPC drum idle rotation is determined
by the AND condition of TIME, AREA1, and AREA 2.
To execute the OPC drum idle rotation, set item B (AREA 1) to "0,"
To execute the OPC drum idle rotation, set item B (AREA 1) to "0,"
and item C (AREA2) to "15."
However, idle rotation is performed in a certain interval while in shut
However, idle rotation is performed in a certain interval while in shut
off. This must be fully explained to the user.
44-17
Purpose
Setting
Function (Purpose)
Process refresh execution
Section
Process
Operation/Procedure
1) Select a refresh item with the touch panel key.
2) Press [EXECUTE] key.
3) The refresh operation is executed.
NOTE: Do not execute this simulation unless specially required.
1) Select a refresh item with the touch panel key.
2) Press [EXECUTE] key.
3) The refresh operation is executed.
NOTE: Do not execute this simulation unless specially required.
Display items and descriptions of contents
Display of results and descriptions of items
44-21
Purpose
Adjustment/Setup
Function (Purpose)
Used to set the halftone process control tar-
get.
Section
Process
Operation/Procedure
Press [EXECUTE] key.
The halftone process control target is set and the operation data
Press [EXECUTE] key.
The halftone process control target is set and the operation data
are displayed.
44-22
Purpose
Operation data display
Function (Purpose)
Used to display the toner patch density
level in the halftone process control opera-
tion.
Section
Process
Operation/Procedure
1) Select the display mode with [1ST STEP], [2ND STEP] key.
1) Select the display mode with [1ST STEP], [2ND STEP] key.
The toner patch density level made in the halftone process
control operation is displayed.
44-24
Purpose
Operation data display
Function (Purpose)
Used to display the correction target and
the correction level in the halftone process
control operation.
Section
Process
Operation/Procedure
1) Select the display category with [NEXT] key.
2) Select a target adjustment color with [K] [C] [M] [Y] key.
1) Select the display category with [NEXT] key.
2) Select a target adjustment color with [K] [C] [M] [Y] key.
Item/
Display
Content
Setting
range
Default
value
A
TIME
Idle rotation interval (time interval
between the previous OPC drum idle
rotation and the next one) setting (h)
0 -
255
6
B
AREA1 Environmental area difference judgment
threshold value setting (difference
between the previous OPC drum idle
rotation and the current one)
0 - 5
2
C AREA2 Environmental area conditions (AND
condition of the previous OPC drum idle
rotation and the current one)
1 - 15
1
D CYCLE Previous rotation time setting (sec) in
the process control when recovered
from power ON, preheating/sleep mode.
0 -
255
0
Display
Content
BLADE REFRESH
Blade development refresh
DRUM REFRESH
Drum refresh
DEVE REFRESH
Development refresh
* DEVE REFLESH execution consume
W-Letter A3 100% worth of toner.
Display
Content
COMPLETE
Normal completion
ERROR
Abnormal end
INTERRUPTION
Forcible interruption
Display
Content
COMPLETE
Normal complete
ERROR COLOR SENSOR
ADJUSTMENT
Color image density sensor sensitivity
adjustment error
ERROR BLACK SENSOR
ADJUSTMENT
Black image density sensor sensitivity
adjustment error
[YMCK]
Halftone process control error [YMCK]
OTHER
Other errors
Display item
Content
ID_n
Patch data display (n = 1 - 16)
BASE1
Belt substrate data (START)
BASE5
Belt substrate data (LAST)
Category
Display item
Content
Coefficient [PRINTER_DITHER_
RAW_VALUE]
Printer halftone correction value
(before correction)
Reference
value
[SENSOR_TARGET]
Halftone process control
reference value
Correction
value
[S_VALUE]
Halftone process control
correction amount
For copier
[COPY_S_VALUE]
Copier halftone process control
correction amount
[COPY_BASE_DITHER_
VALUE]
Copier halftone process control
reference dither value
[COPY_AUTO_HT_
VALUE]
Copier automatic density
adjustment correction amount
Previous
correction
value
[BEFORE S_VALUE]
Previous halftone process
control correction amount
MX-7500N SIMULATION 6 – 72
44-25
Purpose
Setting
Function (Purpose)
Used to set the calculating conditions of the
correction value for the halftone process
control.
Section
Process
Operation/Procedure
1) Select a target adjustment color with [K] [C] [M] [Y] key.
2) Select a target adjustment density level with scroll key on the
1) Select a target adjustment color with [K] [C] [M] [Y] key.
2) Select a target adjustment density level with scroll key on the
touch panel.
3) Enter the set value with 10-key.
4) Press [OK] key.
NOTE: Set the items to the default values unless a change is spe-
4) Press [OK] key.
NOTE: Set the items to the default values unless a change is spe-
cially required.
44-26
Purpose
Adjustment/Setup
Function (Purpose)
Used to execute the halftone process con-
trol compulsory.
Section
Process
Operation/Procedure
Press [EXECUTE] key.
The halftone process control is performed and the operation data
Press [EXECUTE] key.
The halftone process control is performed and the operation data
are displayed.
44-27
Purpose
Data clear
Function (Purpose)
Used to clear the correction data of the half-
tone process control.
Section
Process
Operation/Procedure
1) Press [EXECUTE] key.
2) Press [YES] key.
1) Press [EXECUTE] key.
2) Press [YES] key.
The correction data of the halftone process control are cleared.
44-28
Purpose
Adjustment/Setup
Function (Purpose)
Used to set the process control execution
conditions.
Section
Process
Operation/Procedure
1) Select a target item of setting with scroll key on the touch
1) Select a target item of setting with scroll key on the touch
panel.
2) Enter the set value with 10-key.
3) Press [OK] key. (The set value is saved.)
NOTE: Set the items to the default values unless a change is spe-
3) Press [OK] key. (The set value is saved.)
NOTE: Set the items to the default values unless a change is spe-
cially required.
Item/Display
Setting
range
Content
Default
value
K
CMY
A HIGHTLIGHT
VALUE LIMIT
0 - 128
Highlight correction
amount limit value
20
20
B MAX VALUE
LIMIT
0 - 128
Maximum density value
correction limit value
20
20
COMPLETE
Normal complete
ERROR COLOR SENSOR
ADJUSTMENT
Color image density sensor sensitivity
adjustment error
ERROR BLACK SENSOR
ADJUSTMENT
Black image density sensor sensitivity
adjustment error
[YMCK]
Halftone process control error [YMCK] error
OTHER
Other errors
Item/Category
Display
Content
Setting range
Default
value
A
Process
control
Enable/
Disable
setting
INITIAL
YES
When warming up after clearing the
OPC drum and the developer unit
counters
Enable
0 - 1
0
0
NO
Disable
1
B
SW ON
When supplying the power (when
canceling power shut-off)
Color process
control Enable
0 - 3
0
3
Process control
Disable
1
BK process
control Enable
2
Pixel count
judgment
3
C
TIME
After passing the specified time from
leaving READY continuously (Time
can be changed by INTERVAL
TIME)
Color process
control Enable
0 - 3
0
3
Process control
Disable
1
BK process
control Enable
2
Pixel count
judgment
3
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