DOWNLOAD Sharp MX-M850 (serv.man37) Service Manual ↓ Size: 1.17 MB | Pages: 103 in PDF or view online for FREE

Model
MX-M850 (serv.man37)
Pages
103
Size
1.17 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Section 7 Simulation
File
mx-m850-sm37.pdf
Date

Sharp MX-M850 (serv.man37) Service Manual ▷ View online

MX-M1100  SIMULATION  7 – 41
 
44-12
Purpose
(This simulation is normally not used in the
market.)
Function (Purpose) Used to display the result of the high den-
sity process control.
Section
Process (OPC drum, development)
Operation/Procedure
Select a page with [
↑] [↓] keys.
Button
Category
Display Item name
Content description
Setting range
Default value
Remark
CPY/
PRN
GBDV
600 
DPI
COPY
GB****/****  DV***/***
(Front: After correction; 
Rear: Reference value)
Bias setting value GB/DV 
data 600DPI COPY
GB: 200 - 1000
DV: 0 - 750
(85-sheet model)
• GB:  560
• DV: 495
(95/110-sheet 
model)
• GB:  580
• DV: 495
PRINTER
GB****/**** DV***/***
(Front: After correction; 
Rear: Reference value)
Bias setting value GB/DV 
data 600DPI PRINTER
FAX
GB****/****  DV***/***
(Front: After correction; 
Rear: Reference value)
Bias setting value GB/DV 
data 600DPI FAX
1200
DPI
COPY
GB****/****  DV***/***
(Front: After correction; 
Rear: Reference value)
Bias setting value GB/DV 
data 1200DPI COPY
PRINTER
GB****/****  DV***/***
(Front: After correction; 
Rear: Reference value)
Bias setting value GB/DV 
data 1200DPI PRINTER
FAX
GB****/****  DV***/***
(Front: After correction; 
Rear: Reference value)
Bias setting value GB/DV 
data 1200DPI FAX
LD LD-
DUTY
600 
DPI
COPY
LD***/***  LD-DUTY***/***
(Front: After correction; 
Rear: Reference value)
Laser power setting value 
LD/LD-DUTY data
600DPI COPY
LD: 1 - 255
LD-DUTY: 0 - 100
LD: 100
LD-DUTY: 100
(85-sheet model)
• 92
(95/110-sheet 
model)
• 118
PRINTER
LD***/***  LD-DUTY***/***
(Front: After correction; 
Rear: Reference value)
Laser power setting value 
LD/LD-DUTY data
600DPI PRINTER
FAX
LD***/***  LD-DUTY***/***
(Front: After correction; 
Rear: Reference value)
Laser power setting value 
LD/LD-DUTY data
600DPI FAX
1200 
DPI
COPY
LD***/*** LD-DUTY***/***
(Front: After correction; 
Rear: Reference value)
Laser power setting value 
LD/LD-DUTY data
1200DPI COPY
LD: 100
LD-DUTY: 100
(85-sheet model)
• 50
(95/110-sheet 
model)
• 64
PRINTER
LD***/*** LD-DUTY***/***
(Front: After correction; 
Rear: Reference value)
Laser power setting value 
LD/LD-DUTY data
1200DPI PRINTER
FAX
LD***/***  LD-DUTY***/***
(Front: After correction; 
Rear: Reference value)
Laser power setting value 
LD/LD-DUTY data
1200DPI FAX
OTHER
CRUM
DESTINATION
CRUM destination of 
machine control
1 - 255
(If not in the above 
range, it is not 
displayed.)
* CRUM 
information
* The CRUM 
information of 
the first 
installation is 
retained.
MODEL_TYPE
Machine model type
0 - 255
0
CRUM DEST
CRUM destination
1 - 255
(If not in the above 
range, it is not 
displayed.)
CRUM 
information
COUNTER
PROCON COUNT DK
Count number of 
execution of the dark 
potential adjustment
0 - 99999999
0
PROCON COUNT HV
Count number of 
execution of the high 
density process controller
0 - 99999999
0
PROCON COUNT VH
Count number of 
execution of the half-tone 
potential adjustment 
process controller
0 - 99999999
0
PROCON COUNT DOT
Development dot diameter 
adjustment process 
controller execution 
number
0 - 99999999
0
TARGET
Each adjustment value
ID PATCH
ID data patch data and toner attachment conversion data
S.P PATCH
Surface potential sensor patch data
MX-M1100  SIMULATION  7 – 42
 
44-14
Purpose
Adjustment/ Setting/ Operation data check
Function (Purpose) Used to check the output levels of the fus-
ing temperature sensor, the machine tem-
perature sensor, and the humidity sensor.
Section
Process (OPC drum, development)
Operation/Procedure
The output levels of the fusing temperature sensor, the machine
temperature sensor, and the humidity sensor are displayed.
 
44-16
Purpose
(This simulation is normally not used in the
market.)
Function (Purpose) Used to check the toner density control
data.
Section
Operation/Procedure
<Execution control voltage>
Item
Display Item
Description of item content
Display range
Default 
value
Write
TARGET
PCS LED
Process control sensor light emitting adjustment quantity
1 - 255
128
YES
V0
Dark potential detection voltage
0 - 1000
700
YES
LDP
LDP when the high density process control is performed.
0 - 255
128
YES
TARGET VG
Grid voltage value which provides the target image 
density
0 - 1000
650
NO
TARGET BIAS
Developing bias which provides the target image density
0 - 750
500
YES
TARGET JBIAS
Execution development potential which provides the 
target image density
0 - 750
400
YES
PT TVL
Light potential
0 - 750
100
YES
AD SL
Development characteristics gradient coefficient
-999.9 - 999.9
0
YES
AD INT
Development characteristics intercept coefficient
-999.9 - 999.9
0
YES
RESULT
Display of correction amount by the high density process 
control
-500 - 500
0
YES
ID PATCH
START BIAS
Process control start development bias
0 - 750
300
NO
RETRY BIAS RESULT
Developing bias which provides the retry judgment 
reference density
0 - 750
300
NO
TARGET BIAS
Developing bias which provides the target value density
0 - 750
300
NO
PT
Patch data
0 - 255
0
NO
BS
OPC drum surface data
0 - 255
0
NO
S.P PATCH
DVB
DVB when making one patch at the center of 5 patches
0 - 750
0
NO
VL
Patch potential data
0 - 1000
0
NO
V0
OPC drum surface potential data
0 - 1000
0
NO
Display 
Item
Description
Display 
range
De-
fault
Remark
TH_CL
Process 
temperature 
sensor
0 - 255
-
AD value
0 - 255
-
Temperature (
°C)
HUS-CL
Process 
humidity 
sensor
0 - 255
-
AD value
0 - 100.0
-
Humidity (%)
* The value multiplied 
by 10 is sent from the 
PCU.
TH-RA
Room 
temperature 
sensor
0 - 255
-
AD value
0 - 255
-
Temperature (
°C)
HUS-RA
Room humidity 
sensor
0 - 255
-
AD value
0 - 100.0
-
Humidity (%)
* The value multiplied 
by 10 is sent from the 
PCU.
RTH1
Fusing  
thermistor 1 
(Differential)
0 - 1023
-
AD value
0 - 255
-
Temperature (
°C)
RTH1_
AD1
Fusing  
thermistor 1 
(Compen-
sation)
0 - 1023
-
AD value
0 - 100.0
-
Temperature (%)
* The value multiplied 
by 10 is sent from the 
PCU.
RTH1_
AD2
Fusing 
thermistor 1 
(Detection)
0 - 1023
-
AD value
* AD value only
RTH2
Fusing  
thermistor 2
0 - 1023
-
AD value
0 - 255
-
Temperature (
°C)
PRTH
Fusing  
thermistor 3
0 - 1023
-
AD value
0 - 255
-
Temperature (
°C)
Display Item name
Item Content
Setting range
HUMIDITY AREA
Current humidity area
0 - 15
STD HUM AREA
Referaence humidity area
Display Item 
name
Content description
Setting 
range
Default 
value
Remark
EXEC VCON 
LEVEL
Execution control 
voltage
0 - 255
STD VCON
Reference control 
voltage registered 
value
0 - 255
ATC VCON
Correction coefficient 
registered value for 
ATC reference  gain
0.8 - 
1.20
"
Decimal 
point 
displayed
 HUM 
TARGET
Humidity correction 
amount
-6 - 30
0
"+/-" 
Displayed
A
Control voltage 
environment correction 
coefficient
0 - 2.55
1
"
Decimal 
point 
displayed
LIFE 
TARGET
Developer life 
correction
-100 - 
100
0
"+/-" 
Displayed
B
Control voltage life 
correction coefficient
0 - 2.55
"
Decimal 
point 
displayed
PCFB 
TARGET
Process control 
feedback target
-16 - 32
"+/-" 
Displayed
MX-M1100  SIMULATION  7 – 43
<Execution transit target>
 
44-28
Purpose
Adjustment/ Setting
Function (Purpose) Used to set the process control execution
timing.
Section
Operation/Procedure
1)
Select a target item of setting with [
↑] [↓] keys on the touch
panel.
2)
Enter the set value with 10-key.
3)
Press [OK] key. (The set value is saved.)
 
44-33
Purpose
Adjustment/ Setting
Function (Purpose) Used to perform forcible execution of the
half-tone potential adjustment.
Section
Operation/Procedure
1)
Select a target item with [
↑] [↓] keys.
2)
Enter the set value with 10-key.
3)
Press [OK] key. The set value is saved.
 
44-34
Purpose
Function (Purpose) 
Used to correct the half tone potential
changing caused by dark decrease varia-
tion made by membrane decrease (life) /
temperature characteristics of the OPC
drum.
Section
Operation/Procedure
Press [EXECUTE] key.
When the operation is normally completed, the result is displayed.
If the operation is terminated abnormally, "ERROR" is displayed.
Display Item 
name
Content description
Setting 
range
Default 
value
Remark
EXEC VREF 
LEVEL
Execution transit target
0 - 255
STD VREF
Reference transit 
target registered value
0 - 255
ATC VREF
Coefficient registered 
value corrected for 
ATC reference gain
0.8 - 
1.20
1.00
"
Decimal 
point 
displayed
TARGET
Transit target change 
quantity
-100 - 
100
0
"+/-" 
Displayed
Item
Display
Content
Setting 
range
De-
fault 
value
A
Process control 
execution YES/NO 
setting
SW ON
YES
Previous rotation when power is supplied (when sleep mode is canceled)
Enable
0 - 1
0
0
NO
Disable
1
B
24H
YES
24 hours or more passed under READY (sleep setting) state.
Enable
0 - 1
0
0
NO
Disable
1
C
HUM
YES
The temperature and humidity are monitored in the specified interval. A 
change in the temperature or humidity is greater than that in the previous 
process control by the specified level.
Enable
0 - 1
0
0
NO
Disable
1
D
REV1
YES
The developing rotation time passed the specified level after power is 
supplied.
Enable
0 - 1
0
0
NO
Disable
1
E
REV2
YES
The developing rotation time reaches the specified level after execution of 
the previous density correction.
Enable
0 - 1
0
0
NO
Disable
1
F
INITIAL
YES
Warming-up after clearing counter of the OPC drum and the developing 
unit.
Enable
0 - 1
0
0
NO
Disable
1
G
PIX
YES
The toner count value accumulated from the previous high density 
correction exceeds the specified level.
Enable
0 - 1
0
1
NO
Disable
1
H
PATCH
YES
The developing rotation time passes a specified time after execution of the 
last process control, and it is greatly shifted from the target.
Enable
0 - 1
0
1
NO
Disable
1
I
HUM HOUR
Setting of temperature and humidity monitor time interval of Item C (min)
1 - 255
180
J
HUM_DIF
Area difference specified value compared with that in the previous process control of 
Item C.
1 - 15
2
K
REV1_MINUTE
Developing rotation pass time after power of Item D is supplied.  (min)
1 - 255
10
L
REV2_MINUTE
Developing rotation pass time from the execution of the previous density correction of 
Item E. (min)
1 - 255
30
M
PIX_RATIO
Toner count value change magnification ratio from the execution of the previous high 
density correction of Item G. (times)
1 - 999
10
N
PATCH_MINUTE
The specified developing rotation time from execution of the last process control of 
Item H. (min)
1 - 255
10
O
PATCH_RATIO
Specified target change quantity of Item H. (%)
1 - 100
100
Item
Display
Item Content
Setting 
range
De-
fault 
value
A
VH TARGET
Target set value
1 - 255
80
B
LDP WIDE
Laser power variable width
1 - 32
3
Result display
Content description
COMPLETE
No error
ERROR
Error
INTERRUPTION
Forcible termination
MX-M1100  SIMULATION  7 – 44
<<Detailed error display and content description>>
 
44-35
Purpose
Function (Purpose) 
Used to display the half-tone potential
adjustment result.
Section
Operation/Procedure
Used to display the half-tone potential adjustment result.
 
44-36
Purpose
Data clear
Function (Purpose) Used to clear the half-tone potential adjust-
ment correction quantity.
Section
Operation/Procedure
1)
Press [EXECUTE] key.
2)
Press [YES] key.
3)
The target item is cleared.
4)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the sub code input menu.
 
44-44
Purpose
Function (Purpose) 
Used to set the operation conditions of the
development dot diameter adjustment.
Section
Operation/Procedure
1)
Select a target item with [
↑] [↓] keys.
2)
Enter the set value with 10-key.
3)
Press [OK] key.
The set value is saved.
 
44-45
Purpose
Function (Purpose) 
Correction of dot diameter change due to
change in the charging quantity of devel-
oper by environmental change
Section
Operation/Procedure
Press [EXECUTE] key.
When the operation is completed normally, the execution result is
displayed.
When the operation is terminated abnormally, "ERROR" is dis-
played.
Detailed error 
display
Error display
Details of error
S.P TRABLE
Surface potential 
sensor error
(TBD)
LDP ERROR
Laser power 
correction 
abnormality
The patch potential in not in the 
range of the target T_Vh 
± 30%.
VH ERROR
Half-tone potential 
variation 
abnormality
There is an abnormality in the 
levels of half-tone potentials of 5 
patches.
PATCH ERROR
Patch non-
detection 
judgment
The output ratio of 5 patches is 
200 or more.
Button
Dis
play
Item Content
Setting 
range
De-
fault 
value
Write
Re
mark
TAR
GET
LDP
Finally 
obtained laser 
power
0 - 255
80
NO
MD LIFE 
REVISE 
(LD)
OPC drum 
membrane 
decrease laser 
power 
correction 
value
-128 - 
128
0
NO
MD ENV 
REVISE 
(LD)
OPC drum 
environment 
laser power 
correction 
value
-128 - 
128
0
NO
VH 
RESULT
LDP correction 
value by half-
tone potential
-128 - 
128
0
YES
VG
The final Vg 
set value in 
half-tone 
potential 
process 
control
0 - 
1000
650
NO
BIAS
The final DVB 
set value in 
half-tone 
potential 
process 
control
0 - 750
650
NO
V0
V0 potential 
detection in 
half-tone 
potential 
process 
control
0 - 
1000
650
NO
J BIAS
Effective 
development 
potential
0 - 750
550
YES
PT VH
Detected half-
tone potential
0 - 750
270
YES
PT TVL
Detected light 
potential
0 - 750
100
YES
ADK SL
Vh 
characteristics 
gradient 
coefficient
-999.9 
- 999.9
0
YES
Decima
l point 
display
ed
TAR
GET
ADK INT
Vh 
characteristics 
intersection 
coefficient
-999.9 
- 999.9
0
YES
Decima
l point 
display
ed
PATCH
LDP
Center LDP 
when making 
patches
0 - 255
128
NO
VL
Patch potential
0 - 
1000
0
NO
V0
OPC drum 
potential
0 - 
1000
0
NO
Item
Display
Item Content
Setting 
range
De-
fault 
value
A
DOT TARGET
Target set value
1 - 255
100
B
LDUTY WIDE
Laser DUTY variable width
0 - 31
1
C
DUTY LIMIT
DUTY variable lower limit
1 - 31
15
Result display
Content description
COMPLETE
No error
ERROR
Error
INTERRUPTION
Forcible termination
Button
Dis
play
Item Content
Setting 
range
De-
fault 
value
Write
Re
mark
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