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DX-C401  SIMULATION  5 – 6

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)

5

Used to check the operation of the scanner (reading) unit and the control circuit.

Scanner (reading)

2

1

Used to check the operations of the auto document feed unit and the control circuit.

RSPF

2

Used to check the operations of the sensors and the detectors in the document feed unit section and the 
control circuits.

RSPF

3

Used to check the operations of the loads in the auto document feed unit and the control circuit.

RSPF

3

2

Used to check the operations of the sensors and the detectors in the finisher and the control circuit.

Finisher

3

Used to check the operation of the load in the finisher and the control circuit.

Finisher

10

Used to adjust the finisher.

Finisher

4

2

Used to check the operations of the sensors and detectors in the paper feed tray, and the control circuit of 
those.

Paper feed tray (Option)

3

Used to check the operations of the loads in the paper feed tray, and the control circuit of those.

Paper feed tray

5

Used to check the operations of the paper feed tray unit paper transport clutch (DTRC).

Paper feed tray unit

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 
control circuits.

Paper transport/Paper exit 
section

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)

6

Used to check the operation of the fusing separation.

Fusing

51

Used to forcibly cut down the initial fuse of the developer unit and the fusing unit.

Developing, fusing unit

7

1

Used to set the operating conditions of aging.

Others

6

Used to set the operating intermittent aging cycle.

8

Used to display the warm-up time.

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)

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)

9

2

Used to check the operations of the sensors and detectors in the paper reverse section (duplex section) and 
its control circuit.

Duplex

3

Used to check the operations of the load in the switchback section (duplex section) and its control circuit.

Duplex

10

1

Used to check the operations of the toner supply mechanism (toner motor) and the related circuit.

Process (Developing)

13

-

Used to cancel the self-diag "U1" trouble.

14

-

Used to cancel the self-diag H3, H4, H5 troubles.

16

-

Used to cancel the self-diag "U2" trouble.

MFP PWB / PCU PWB / 
SCU PWB

17

-

Used to cancel the self-diag "PF" trouble.

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 
maintenance 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, the process control data, and SIM50-24 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.)

RSPF 

13

Used to check the operating time of the process section (OPC drum, DV unit, toner cartridge).

Process

19

Used to check the values of the counters related to the scan - image send.

90

Used to output the various set data lists.

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.)

80

Used to check the operation of paper feed and paper transport in the paper feed section and the paper 
transport section. Used to output the list of the operation status of the sensor and the detectors in the paper 
feed section and the paper transport section.

Paper feed, Paper transport

DX-C401  SIMULATION  5 – 7

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, 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.

7

Used to clear the OPC drum counter. (After replacement of the OPC drum, clear the 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.

30

Used to initialize the administrator password.

31

Used to initialize the service mode password.

34

Used to initialize the intrinsic data setting.

25

1

Used to check the operations of the developing section.

Process (Developing section)

2

Used to make the initial setting of toner density when replacing developer. (Automatic adjustment)

Image process (Photoconductor/
Developing/Transfer/Cleaning)

26

2

Used to set the paper weight type.

Paper feed

3

Used to set the specifications of the auditor. (Setting must be made according to the auditor use conditions.)

Auditor

6

Used to set the specifications (paper, fixed magnification ratio, etc.) of the destination.

10

Used to set the trial mode of the network scanner.

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)

32

Used to set the CRU items of the system setting menu.

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.

41

Used to set Enable/Disable of the magnification ratio automatic select function (AMS) in the center binding 
mode.

49

Used to set the print speed of postcards mode.

50

Used to set functions.

52

Used to set whether non-printed paper (insertion paper, cover paper) is counted up or not.

53

User auto color calibration (color balance adjustment) Inhibit/Allow setting (copy mode)

54

User auto color calibration (color balance adjustment) Inhibit/Allow setting (printer mode)

55

Used to set Enable/Disable of the automatic color calibration (automatic color balance adjustment) when 
replacing a consumable part. 

65

Used to set the staple process restriction.

69

Used to set the operating conditions for toner near end.

73

Used to adjust the image loss (shade delete amount) in the name card copy mode.

74

Used to set the OSA trial mode.

78

Used to set the password of the remote operation panel.

27

1

Used to set non-detection of communication error (U7-00) with RIC. (FSS function)

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)

5

Used to set the machine tag No. (This function allows the host computer to check the machine tag No.) 
(FSS function)

Communication (RIC/MODEM)

6

Used to set of the manual service call. (FSS function)

7

Used to set of the enable, alert callout. (FSS function)

9

Used to set the paper transport time recording YES/NO threshold value and shading gain adjustment retry 
number. (FSS function)

10

Used to clear the trouble prediction history information. (FSS function)

11

Used to check the serial communication retry number and the scanner gain adjustment retry number history. 
(FSS function)

12

Used to check the high-density, half-tone process control and the automatic registration adjustment error 
history. (FSS Function)

13

Used to check the history of paper transport time between sensors. (FSS function)

14

Used to set the FSS function connection test mode.

30

1

Used to check the operations of the sensors and the detectors in other than the paper feed section and the 
control circuits.

2

Used to check the operations of the sensors and the detectors in the paper feed section and the control 
circuits.

33

1

Used to check the operations of the card reader sensor and the control circuit.

2

Used to delete the ID (IDM) information of Felica card.

40

2

Manual paper feed tray paper width sensor adjustment.

Paper feed

7

Used to set the adjustment value of the manual paper feed tray paper width sensor.

Paper feed

DX-C401  SIMULATION  5 – 8

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 
temperature 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 
temperature 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 
temperature 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 
temperature 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 
(registration sensor).

Image process (Photoconductor/
Developing)

13

Used to perform the color image sensor (image registration sensor F) calibration.

14

Used to display the output level of the temperature and humidity sensor.

Process (OPC drum, 
development)/Fusing/LSU

16

Used to display the toner density control data.

Developing system

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

61

Used to set the calibration data of the color image sensor (image registration sensor F).

46

1

Used to adjust the copy density in the copy mode.

2

Used to adjust the copy density in the copy mode.

4

Used to adjust the density in the image send mode.

5

Used to adjust the density in the image send mode.

8

Used to adjust the image send mode color balance RGB.

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

Copy 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 adjust the document background density reproducibility in the monochrome auto copy mode.

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)

DX-C401  SIMULATION  5 – 9

46

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).

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.

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 
direction).

5

Used to correction the scan image magnification ratio (in the sub scanning direction).

Scanner section

6

Used to adjust the rotation speed of each motor.

49

1

Used to perform the firmware update.

3

Used to update the operation manual in the HDD.

50

1

Copy image position, image loss adjustment

2

Used to adjust the copy image position and the image loss. 
(This simulation is a simplified version of SIM 50-1).

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 

7

Used to adjust the copy image position and the image loss (RSPF mode). 
(This simulation is a simplified version of SIM 50-6.)

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)

24

Used to display the detail data of SIM 44-2, 50-20 and 22.

27

Used to perform the image loss adjustment of scanned images in the FAX or image send mode.

28

Used to automatically adjust the image loss, void area, image off-center, and image magnification ratio.

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 RSPF mode document scan position.

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

1

Used to transport data between HDD - MFP PWB SRAM/EEPROM. (Used to repair the PWB.)

2

Used to backup the data in the EEPROM. SRAM, and HDD (including user authentication data and address 
data) to the USB memory. (Corresponding to the device cloning and the storage backup.)

3

Used to backup the print hold data (document filling data) to the USB memory. (4.3 Inch LCD model)

3

Used to backup the document filling data to the USB memory. (8.5 Inch LCD model)

4

Used to backup the JOB log data to the USB memory.

60

1

Used to check the operations (read/write) of the MFP PWB memory.

2

Used to set the MFP PWB onboard SDRAM.

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)

62

1

Used to execute the hard disk format (except operation manual area).

2

Used to check read/write of the hard disk (partial).

3

Used to check read/write of the hard disk (all areas).

6

Used to perform the self diagnostics of the hard disk.

7

Used to print the hard disk self diagnostics error log.

8

Used to format the hard disk. (Excluding the system area and the operation manual area)

10

Used to delete the job log data.

11

Used to delete the print hold data (document filing data). (4.3 Inch LCD model)

11

Used to delete the document filing data. (8.5 Inch LCD model)

12

Used to set Enable/Disable of auto format in a hard disk trouble.

13

Used to format the hard disk. (only the operation manual area)