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Model
MX-C250 MX-C250E MX-C250F MX-C250FE MX-C250FR MX-C300F MX-C300W MX-C300WE MX-C300A MX-C300WR (serv.man6)
Pages
127
Size
29.56 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Service Manual (Revised May 2016).
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mx-c250-mx-c250e-mx-c250f-mx-c250fe-mx-c250fr-mx-c.pdf
Date

Sharp MX-C250 / MX-C250E / MX-C250F / MX-C250FE / MX-C250FR / MX-C300F / MX-C300W / MX-C300WE / MX-C300A / MX-C300WR (serv.man6) Service Manual ▷ View online

MX-C250  SIMULATION  6 – 3
2. List of simulation codes
Main
Sub
Functions
Section
1
1
Used to check the operation of the scanner (reading) unit and the control circuit.
Scanner (reading)
2
Used to check the sensors in the scanner (reading) section and the related circuits.
Scanner (reading)
2
1
Used to check the operations of the auto document feed unit and the control circuit.
SPF
2
Used to check the operations of the sensors and the detectors in the document feed unit section and the con-
trol circuits.
SPF
3
Used to check the operations of the loads in the auto document feed unit and the control circuit.
SPF
5
1
Used to check the operation of the display, LCD in the operation panel, and control circuit.
Operation panel
2
Used to check the operation of the heater lamp and the control circuit.
Fusing
3
Used to check the operation of the scanner lamp and the control circuit.
Scanner (reading)
4
Used to check the operation of the discharge lamp and the control circuit.
Process
6
1
Used to check the operations of the load in the paper transport system (clutches and solenoids) and the con-
trol circuits.
Paper transport/Paper exit sec-
tion
2
Used to check the operations of each fan motor and its control circuit.
Others
3
Used to check the operations of the primary transfer unit and the control circuit.
Process (Transfer)
90
Used to set the machine to the factory default settings.  
7
1
Used to set the operating conditions of aging.
Others
6
Used to set the operating intermittent aging cycle.
9
Color setting in the color copy test mode (Used to check the copy operation and the image quality for each 
color).
12
The document reading number of sheets setting (for aging operation)
SPF/RSPF
8
1
Used to check and adjust the operations of the developing voltage in each print mode and the control circuit. 
* When the middle speed is adjusted, the low speed are also adjusted simultaneously.
Process (Developing)
2
Used to check and adjust the operation of the main charger grid voltage in each printer mode and the control 
circuit. 
* When the middle speed is adjusted, the low speed are also adjusted simultaneously.
Process (Charging)
6
Used to check and adjust the operation of the  transfer voltage and the control circuit.
Process (Transport)
10
1
Used to check the operations of the toner supply mechanism (toner motor) and the related circuit.
Process (Developing)
14
-
Used to cancel the self-diag H3, H4, H5, U1 troubles.
16
-
Used to cancel the self-diag "U2" trouble.
MFP PWB / PCU PWB / 
SCU PWB
21
1
Used to set the maintenance cycle.
22
1
Used to check the print count value in each section and each operation mode. (Used to check the mainte-
nance timing.)
2
Used to check the total numbers of misfeed and troubles. (When the number of total jam is considerably 
great, it is judged as necessary for repair.)
3
Used to check misfeed positions and the misfeed count of each position. 
* Presumption of the faulty point by this data is possible.
4
Used to check the trouble (self diag) history.
5
Used to check the ROM version of each unit (section).
Firmware
6
Used to output various adjustment/setting data (simulations, FAX soft switch counter), the firmware version, 
the counter list and the process control data. 
8
Used to check the number of operations (counter value) of the finisher, the RSPF, and the scan (reading) unit.
9
Used to check the number of use (print quantity) of each paper feed section.
Paper feed, ADU
10
Used to check the system configuration (option, internal hardware).
11
Used to check the use frequency (send/receive) of FAX. (Only when FAX is installed)
FAX 
12
Used to check the RSPF misfeed positions and the number of misfeed at each position. (When the number of 
misfeed is considerably great, it can be judged as necessary for repair.)
SPF/RSPF 
13
Used to check the operating time of the process section (OPC drum, DV unit, toner cartridge).
Process
14
Used to display the use status of the toner cartridge.
Process
18
Used to display the history of clear data.
19
Used to check the values of the counters related to the scan - image send.
23
2
Used to output the trouble history list of paper jam and misfeed. 
(If the number of troubles of misfeed is considerably great, the judgment is made that repair is required.)
24
1
Used to clear the jam counter, and the trouble counter. (After completion of maintenance, clear the counters.)
2
Used to clear the number of use (the number of prints) of each paper feed section.
3
Used to clear the finisher, SPF/RSPF, and the scan (reading) unit counter.
4
Used to clear the maintenance counter, the printer counters of the transport unit and the fusing unit. 
(After completion of maintenance, clear the counters.)
5
Used to clear the developer counter. (After replacement of developer, clear the counter.)
6
Used to clear the copy counter.
9
Used clear the printer mode print counter and the self print mode print counter.
10
Used to clear the FAX counter. (Only when FAX is installed)
15
Used to clear the counters related to the scan mode and the image send.
35
Used to clear the usage number of toner cartridge
25
1
Used to check the operations of the developing section.
Process (Developing section)
2
Display the value of the selected sensor and register the toner density control value, toner density control 
voltage, developer adjustment area and sensitivity adjustment value by driving the all drum motors.(Auto-
matic adjustment)  
Image process (Photoconductor/
Developing/Transfer/Cleaning)
4
Used to display the operation data of the toner supply quantity. (Not used in the market.)
Process
5
Used to display the toner density correction data. (Not used in the market.)
Process
MX-C250  SIMULATION  6 – 4
26
6
Used to set the specifications (paper, fixed magnification ratio, etc.) of the destination.
18
Used to set Disable/Enable of the toner save mode operation. (For the Japan and the UK versions.)
30
Used to set the operation mode corresponding to the CE mark (Europe safety standards). (For slow start to 
drive the fusing heater lamp)
35
Used to set the display mode of SIM 22-4 trouble history when a same trouble occurred repeatedly. There are 
two display modes: display as one trouble and display as several series of troubles.
38
Used to set Continue/Stop of print when the maintenance life is reached.
53
User auto color calibration (color balance adjustment) Inhibit/Allow setting
69
Used to set the operating conditions for toner near end.
73
Used to set Toner save setting. 
27
2
Used to set the sender's registration number and the HOST server telephone number. (FSS function)
4
Used to set the initial call and toner order auto send. (FSS function)
7
Used to set of the enable, alert callout. (FSS function)
14
Used to set the FSS function connection test mode.
15
Used to display the FSS connection status.
16
Used to set the FSS alert send.
30
1
Used to check the operations of the sensors and the detectors in other than the paper feed section and the 
control circuits.
43
1
Used to set the fusing reference temperature of each operation mode.
4
Used to set the fusing temperature 2 in each mode. (Continued from SIM 43-1.)
20
Used to set the environmental correction under low temperature and low humidity (L/L) for the fusing temper-
ature setting (SIM 43-1) in each paper mode.
21
Used to set the environment correction under high temperature and high humidity (H/H) for the fusing tem-
perature setting (SIM 43-1) in each paper mode.
22
Used to set the environment correction under low temperature and low humidity (L/L) for the fusing tempera-
ture setting (SIM 43-4) in each paper mode.
23
Used to set the environment correction under high temperature and high humidity (H/H) for the fusing tem-
perature setting (SIM 43-4) in each paper mode.
24
Used to set the correction of the temperature adjustment value of SIM 43-1 and 43-4.
44
1
Used to set each correction operation function in the image forming (process) section.
Image process (Photoconductor/ 
Developing/Transfer/Cleaning)
2
Used to adjust the sensitivity of the image density sensor (registration sensor).
Process
4
Used to set the conditions of the high density process control operation.
Process
6
Used to execute the high density process control forcibly.
Process
9
Used to display the result data of the high density process control operation.
Image process (Photoconductor/ 
Developing/Transfer/Cleaning)
12
Used to display the operation data of the high density process control and the image density sensor (registra-
tion sensor).
Image process (Photoconductor/
Developing)
14
Used to display the output level of the temperature and humidity sensor.
Process (OPC drum, develop-
ment)/Fusing/LSU
15
Used to set the OPC drum idle rotation.
21
Used to set the half tone process control target.
Process
22
Used to display the toner patch density level in the half tone process control operation.
Process
24
Used to display the correction target and the correction level in the half tone process control operation.
Process
25
Used to set the calculating conditions of the correction value for the half tone process control.
Process
26
Used to execute the half tone process control compulsorily.
Process
27
Used to clear the correction data of the half tone process control.
Process
28
Used to set the process control execution conditions.
Process
29
Used to set the operating conditions of the process control during a job.
Process
31
Used to adjust the OPC drum phase. (Manual adjustment)
Process
37
Used to set the development bias correction level in the continuous printing operation.
43
Used to display the identification information of the developing unit.
Developing system
62
Used to set the calibration data of the color image sensor (image registration sensor F).
Main
Sub
Functions
Section
MX-C250  SIMULATION  6 – 5
46
1
Used to adjust the copy density in the color copy mode.
2
Used to adjust the copy density in the monochrome copy mode.
4
Used to adjust the density in the color image send mode.
5
Used to adjust the density in the monochrome image send mode.
9
Used to adjust the scan image density.
10
Used to adjust the copy color balance and the gamma (for each color copy mode).
16
Used to adjust the monochrome copy density and the gamma (for each monochrome copy mode).
19
Used to set the operating conditions for the density scanning (exposure) of monochrome auto copy mode 
documents.
21
Copy color balance adjustment (Manual adjustment)
23
Used to set the density correction of copy high density section (High density tone gap supported).
24
Color balance adjustment (Auto adjustment)
25
Used to adjust the copy color balance. (Single color copy mode)
26
Used to reset the single color mode color balance set value to the default.
27
Used to adjust the gamma/density of copy images, texts, and line image edges.
30
Used to adjust the resolution in the sub scanning direction in the copy mode.
32
Used to set the AE reactivity control.
36
Used to adjust the colors in the 2-color copy mode.
37
Used to adjust the color document reproducibility in the monochrome copy mode.
38
Used to adjust the black component amount in the color copy mode.
39
Used to adjust the sharpness of FAX send images.
40
Used to adjust the FAX send image density. (Collective adjustment of all the modes)
41
Used to adjust the FAX send image density. (Normal)
42
Used to adjust the FAX send image density. (Fine)
43
Used to adjust the FAX send image density. (Super Fine)
44
Used to adjust the FAX send image density. (Ultra fine)
45
Used to adjust the FAX send image density. (600dpi).
47
Used to set the compression rate of copy and scan images (JPEG).
51
Used to adjust the gamma for the copy mode heavy paper mode and the image process mode. 
(Manual adjustment)
52
Used to reset the copy color balance adjustment (adjustment for each dither) to the default value. 
(The set values of SIM46-51 and SIM46-54 are set to the default values.)
54
Used to reset the copy color balance adjustment (auto adjustment for each dither).
58
Used to set the copy mode pseudo resolution. (Smoothing process)
59
Used to perform the copy mode pseudo resolution image process adjustment.
60
Used to adjust the sharpness in the color auto copy mode.
61
Used to adjust the area separation recognition level.
62
Used to set the operating conditions of the ACS, the area separation, the background image process, and the 
auto exposure mode.
63
Used to adjust the density in the copy low density section.
65
Used to set the color correction table.
74
Copy color balance adjustment (Auto adjustment)/Printer color balance adjustment (Auto adjustment)
48
1
Used to adjust the scan image magnification ratio (in the main scanning direction and the sub scanning direc-
tion).
6
Used to adjust the rotation speed of each motor.
49
1
Used to perform the firmware update.
2
Used to perform the FPGA update.
50
1
Copy image position, image loss adjustment
5
Used to adjust the print lead edge image position. (PRINTER MODE)
6
Used to adjust the copy image position and the image loss. (RSPF mode)
RSPF
10
Used to adjust the black print image magnification ratio and the off-center position. 
(The adjustment is made separately for each paper feed section.)
12
Used to perform the scan image off-center position adjustment. 
(The adjustment is made separately for each scan mode.)
20
Image registration adjustment (Manual adjustment)
22
Used to adjust the image registration. (Main scan direction, sub scan direction) 
(Auto adjustment)/OPC drum phase adjustment (Auto adjustment)
51
1
Used to adjust the ON/OFF timing of the secondary transport voltage.
2
Used to adjust the contact pressure (deflection amount) on paper by the main unit and the RSPF resist roller. 
(This adjustment is performed when there is a considerable variation in the print image position on the paper 
or when paper jams frequently occur.)
53
8
Used to adjust the document lead edge reference and the SPF mode document scan position.
9
Used to detect the dirt of the SPF
10
Used to set the display of the dirt detection position of the SPF
55
1
Used to set the specifications of the engine control operations. (SOFT SW)
2
Used to set the specifications of the scanner control operation. (SOFT SW)
3
Used to set the specifications of the controller operation. (SOFT SW)
56
2
Used to backup the data in the EEPROM and Flash memory (including user authentication data) to the USB 
memory. (Corresponding to the device cloning and the storage backup.)
5
Used to print out the each data and simulation list
60
1
Used to check the operations (read/write) of the MFP PWB memory.
Main
Sub
Functions
Section
MX-C250  SIMULATION  6 – 6
61
1
Used to check the LSU polygon motor rotation and laser detection.
LSU
3
Used to set the laser power 
4
Used to print the print image skew adjustment pattern. (LSU unit)
63
1
Used to display the shading correction result.
Scanner
2
Used to perform shading.
3
Used to perform scanner (CCD) color balance and gamma auto adjustment.
Scanner
4
Used to display the SIT chart patch density.
5
Used to perform the scanner (CCD) color balance and gamma default setting.
6
Used to display the scan level and the density level of the copy color balance adjustment patch.
7
Used to register the service target of the copy mode auto color balance adjustment.
8
Used to set the default of the service target of the copy mode auto color balance adjustment.
11
Used to set the target color balance of the copy mode auto color balance adjustment.
64
1
Test print. (Self print) (Color mode)
2
Test print. (Self print) (Monochrome mode)
4
Printer test print. (Self print)
5
Printer test print. (Self print) (PCL)
6
Printer test print. (Self print) (PS)
65
10
Used to set the display of key standby time.
66
1
Used to display the FAX-related soft SW (2 - 150) on the LCD to allow changing the soft SW while checking 
with the LCD.
FAX
2
Used to enter a country code and set the default value for the country code.
FAX
4
Used to send the selected signals to the line and the main unit speaker.
FAX
7
Used to output all image data saved in the image memory of FAX part.
FAX
8
Used to send the selected sound messages to the line and the speaker.
FAX
10
Used to clear the FAX image data.
FAX
11
Used to send the selected signal at 300bps to the line and the speaker. 
FAX
13
Used to execute the dial send test.
FAX
17
Used to send the DTMF signal to the line and the speaker.
FAX
21
Used to print the selected items (FAX setting list, software SW list, protocol monitor).
FAX
30
Used to display the TEL/LIU status change, The display is highlighted by status change. 
FAX
31
Used to set ON/OFF the port for output to TEL/LIU. 
FAX
32
Used to check the fixed data received from the line and to display the result.
FAX
33
Used to execute detection of various signals with the line connected and to display the detection result. When 
a signal is detected, the display is highlighted.
FAX
34
Used to execute the send test and display the time for sending (receiving) the image data during sending the 
test data on LCD. 
FAX
67
25
Printer color balance adjustment (Manual adjustment)
Printer
31
Used to clear the calibration value.
Printer
33
Used to change the gamma of the printer screen.
Printer
34
Used to set the density correction in the printer high density section. (Support for the high density section 
tone gap)
Printer
36
Used to adjust the density in the low density section.
Printer
52
Used to reset the printer color balance adjustment (adjustment for each dither) to the default value. (The set 
values of SIM67-33 are set to the default values.)
Main
Sub
Functions
Section
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