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AR-M351U/M451U, AR-M355U/M455U  SIMULATION  9 - 2

YES

NO

NO

YES

YES

YES

NO

NO

NO

YES

NO

YES

YES

NO

NO

YES

YES

NO

Standby for entry of SIM

sub code

Enter SIM sub code with

the 10-key.

Press the START button.

The display is made according

to the selected mode and the item.

START (Copy mode)

Press the Program key.

Press the asterisk (*) key.

Press the clear key.

Press the asterisk (*) key.

Standby for entry of

SIM code.

Enter the main code of

SIM with the 10-key.

The main code of SIM

is displayed.

Press the START button.

Is there a sub code ?

Select the mode and the

item with the scroll key 

and the item key.

he

Operation check ?

Operating conditions

check ?

Data clear ?

Adjustments

or setting (counter data

change) ?

Do you

want to change the

content ?

Enter the new setting and

adjustment values.

Press the CUSTOM 

SETTINGS key

Press the CUSTOM 

SETTINGS key

Press the EXECUTE button

and OK button.

Operation is made according

to the selected mode and item.

Press the EXECUTE button

and OK button.

Press the EXECUTE button

and OK button.

The display is made according to

the selected some and the item.

Press the EXECUTE button

and OK button.

Is it the same

simulation ?

Do you want

to perform another

simulation ?

Do you

want to end the

simulation ?

The changed content

is stored.

The simulation mode

is canceled.

Press the clear all key.

Operation is made according

to the selected mode and the item.

(Other modes)

The selected mode and

the item are cleared.

AR-M351U/M451U, AR-M355U/M455U  SIMULATION  9 - 3

Code

Function (Purpose)

Main

Sub

1

1

Used to check the operations of the scanner 
(read) unit and its control circuit.

2

Used to check the operation of sensor and 
detector in the scanning (read) section and the 
related circuit.

2

1

Used to check the operations of the automatic 
document feeder unit and the control circuit.

2

Used to check the operations of the sensors and 
detectors in the automatic document feeder unit 
and the related circuits.

3

Used to check the operations of the loads in the 
automatic document feeder unit and the control 
circuits.

3

2

Used to check the operation of sensor and 
detector in the finisher and the related circuit.

3

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

6

10

20

21

4

2

3

5

1

Used to check the operation of the display, LCD 
in the operation panel, and control circuit.

2

Used to check the operation of the heater lamp 
and the control circuit.

6

1

Used to check the operation of the paper 
transport system loads and the control circuit.

2

Used to check the operations of each fan motor 
and its control circuit.

7

1

Used to set the operating conditions of aging.

6

Used to set the intermittent aging cycle.

8

Used to set the warm-up time display YES/NO.

8

1

Used to check and adjust the operations of the 
developing voltage of each color and the control 
circuit.

2

Used to check and adjust the operation of the 
main charger grid voltage in each printer mode 
and the control circuit.

6

Used to check and adjust the operation of the 
transfer voltage and the control circuit.

17

Used to check and adjust the operation of the 
transfer voltage and the related circuit. (Transfer 
belt cleaning mode)

9

1

Used to check and adjust the operation of the 
load (clutch/solenoid) in the duplex section and 
the control circuit.

2

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

10

1

Used to check the operations of the toner motor 
and the related circuit.

13

0

Used to cancel the self-diag "U1" trouble. (Only 
when FAX is installed.)

14

0

Used to cancel excluding the self-diag U1/LCC/
U2/PF troubles.

15

0

16

0

Used to cancel the self-diag U2 troubles.

17

0

Used to cancel the PF troubles (when the copy 
inhibit command from the host computer is 
received).

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 misfeed is 
considerably great, it is judged as necessary for 
repair. The misfeed rate is obtained by dividing 
this count value with the total counter value.)

3

Used to check misfeed positions and the misfeed 
count of each position. (If the misfeed count is 
considerably great, it may be judged as 
necessary to repair.)

4

Used to check the trouble (self diag) history.

5

Used to check the ROM version of each unit 
(section).

6

Used to output the list of the setting and 
adjustment data (simulations, FAX soft switch, 
counters).

7

Used to display the key operator code. (This 
simulation is used when the customer forgets the 
key operator code.)

8

Used to check the number of use of the finisher, 
the SPF, and the scan (reading) unit.

9

Used to check the number of use (print quantity) 
of each paper feed section.

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)

12

Used to check the SPF 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.)

13

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

19

Used to check the values of the counters related 
to the scan mode and the internet FAX mode.

23

2

Used to check the trouble history of paper jam 
and misfeed. (If the number of misfeed and 
troubles is considerably great, it may be judged 
as necessary to repair.)

80

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

24

1

Used to clear the misfeed counter, the misfeed 
history, the trouble counter, and the trouble 
history. (The counters are cleared after 
completion of maintenance.)

2

Used to clear the number of use (the number of 
prints) of each paper feed section.

3

Used to clear the number of use of the finisher, 
SPF, and the scan (reading) unit.

4

Used to reset the maintenance counter.

5

Used to reset the developer counter. (The 
developer counter of the DV unit which is installed 
is reset.)

Code

Function (Purpose)

Main

Sub

AR-M351U/M451U, AR-M355U/M455U  SIMULATION  9 - 4

24

6

Used to reset the copy counter.

7

Used to clear the OPC drum counter. (Perform 
this simulation when the OPC drum is replaced.)

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)

11

Used to reset the OPC drum rotation time, and 
the DV unit rotation time counter. The developer 
counter in the DV unit installed is reset.

15

Used to clear the counters related to the scan 
mode and the internet FAX mode.

25

1

2

Used to make the initial setting of toner 
concentration when replacing developer.

26

3

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

5

Used to set the count mode of the total counter 
and the maintenance counter.

6

10

Used to set the network scanner trial mode.

18

Used to set YES/NO of toner save operation. 
(This function is valid only in Japan and UK 
versions. (Depends on the destination setting of 
SIM26-6.) For the other destinations, the same 
setting can be made by the user program P22.)

30

Used to set the operation mode conforming to the 
CE mark (Europe safety standards). (Conforming 
to soft start when driving the fusing heater lamp.)

35

Used to set whether the same continuous 
troubles are displayed as one trouble or the 
series of troubles with SIM 22-4 when the same 
troubles occur continuously.

38

Used to set CONTINUE/STOP of printing when 
maintenance timing is over and the count value 
reaches 110% of replacement timing (life). 

41

50

Black-White reverse YES/NO setting

52

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

68

Used to set ENABLE/DISABLE of the CA key 
cancel function of print stop.

27

1

Used to set the specifications for operations in 
case of communication trouble between the host 
computer and MODEM (machine side). (When 
communication trouble occurs between the host 
computer MODEM and the machine, the self diag 
display (U7-00) is printed and setting for inhibition 
of print or not is made.)

5

Used to enter the machine tag No. (This function 
allows to check the tag No. of the machine with 
the host computer.)

30

1

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

2

Used to check the operation of sensors and 
detectors in the paper feed section and the 
related circuits.

Code

Function (Purpose)

Main

Sub

40

1

Used to check the operation of the manual feed 
tray paper size detector and the related circuit. 
(The operation of the manual feed tray paper size 
detector can be monitored with the LCD display.)

2

Used to adjust the manual paper feed tray paper 
width detector detection level.

7

Used to enter the manual paper feed tray paper 
width adjustment value.

11

Used to check the multi-purpose tray width 
detection adjustment value.

12

Used to check the multi-purpose tray width 
detection adjustment value.

41

1

Used to check the operation of the document size 
sensor and the related circuit. (The operation of 
the document size sensor can be monitored with 
the LCD display.)

2

Used to adjust the document size sensor sensing 
level.

3

Used to check the operation of the document size 
sensor and the related circuit. (The document 
size sensor output level can be monitored with 
the LCD display.)

43

1

Used to set the fusing temperature in each 
operation mode.

44

1

Used to set enable/disable of correction 
operations in the image forming (process) 
section.

9

Used to check the data related to the image 
forming section correction (process correction) 
result (corrected main charger grid voltage, the 
developing bias voltage, and the laser power 
voltage in each print mode). (This simulation 
allows to check that correction is performed 
normally or not.)

14

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

16

Used to check the toner concentration control 
data.

46

2

Used to adjust the copy density in all the copy 
modes (Auto, Text, Text/Photo, and Photo mode).

9

Used to adjust the print density for each density 
level (display value) in the copy mode (binary - 
Text mode). An optional print density can be set 
for each density level (display value).

10

Used to adjust the print density for each density 
level (display value) in the copy mode (binary - 
Text/Photo mode). An optional print density can 
be set for each density level (display value).

11

Used to adjust the print density for each density 
level (display value) in the copy mode (binary - 
Photo mode). An optional print density can be set 
for each density level (display value).

12

Used to adjust the print density in the FAX mode 
(all modes). 

13

Used to adjust the print density in the FAX mode 
(each normal mode). (Only when FAX is 
installed.)

14

Used to adjust the print density in the FAX mode 
(each fine mode). (Only when FAX is installed.)

15

Used to adjust the print density in the FAX mode 
(each super fine mode). (Only when FAX is 
installed.)

16

Used to adjust the print density in the FAX mode 
(each ultra fine mode). (Only when FAX is 
installed.)

17

Used to set the gain in shading correction.

Code

Function (Purpose)

Main

Sub

AR-M351U/M451U, AR-M355U/M455U  SIMULATION  9 - 5

46

18

Used to adjust the gamma (density gradient) in 
the copy mode.

19

Used to set the auto mode operation 
specifications in each mode (copy, scan, FAX).

20

Used to adjust the copy density correction in the 
SPF copy mode for the document table copy 
mode. The adjustment is made so that the copy 
density becomes the same as that of the 
document table copy mode.

21

Used to adjust the scanner exposure level in all 
the scanner modes.

22

Used to adjust the scanner exposure level in the 
normal text mode.

23

Used to adjust the scanner exposure level in the 
fine text mode.

24

Used to adjust the scanner exposure level (in the 
super fine text mode).

25

Used to adjust the scanner exposure level in the 
ultra fine text mode.

27

Used to adjust the gamma (density gradient) of 
the network scanner mode.

31

Used to adjust sharpness of the copy mode.

39

Used to adjust sharpness of the FAX mode.

45

Used to adjust the image density in the FAX 
mode (600dpi).

46

48

1

Used to adjust the copy magnification ratio (in the 
main scanning and the sub scanning directions).

5

Used to adjust the copy magnification ratio in the 
sub scanning direction.

6

50

1

Used to adjust the copy image position and the 
void area (image loss) adjustment on print paper 
in the copy mode. (The similar adjustment can be 
performed with SIM 50-5 and 50-2 (Simplified 
method).) (Document table mode)

2

Used to adjust the document scan position, the 
image print position, and the void area (image 
loss). (Simple adjustment) (This adjustment is the 
simple method of SIM 50-1.) (Document table 
mode)

5

Used to adjust the print image position and the 
void area (image loss) on print paper. 
(Adjustment as the print engine) (This adjustment 
is reflected on all the FAX/printer/copy modes.)

6

Used to adjust the copy image position and void 
area (image loss) on print paper in the copy 
mode. (The similar adjustment can be performed 
with SIM 50-7 (simple method).) (SPF mode)

7

Used to adjust the copy image position and void 
area (image loss) on print paper in the copy 
mode. (The similar adjustment can be performed 
with SIM 50-6.) (SPF mode)

10

Used to adjust the print image off-center position. 
(Adjusted separately for each paper feed 
section.)

12

Used to adjust the scan image off-center position. 
(Adjusted separately for each scan mode.)

27

Used to adjust the image loss of the scan image 
in the FAX/scan mode.

51

2

Used to adjust the contact pressure of paper on 
the resist roller of each section (each paper feed, 
duplex feed and SPF paper feed of the copier). 
(This adjustment is required when the print image 
position variations are considerably great or when 
paper jams occur frequently.)

Code

Function (Purpose)

Main

Sub

53

6

Used to adjust the DSPF width detection level.

7

Used to enter the SPF width detection adjustment 
value.

8

Used to adjust the document scan start position. 
(Used to adjust the scanner scan position in the 
SPF mode front scan.)

55

1

Used to set the specifications of the engine 
control operations. (PCU PWB)

2

Used to set the specifications of the scanner 
control operations. (Scanner control PWB)

3

Used to set the specifications of the controller 
operations. (MFP control PWB)

56

1

Used to transfer the MFP controller data. (Used to 
repair the PWB.)

60

1

Used to check the MFP control (DRAM) 
operations (read/write).

61

1

Used to check the operation of the scanner (write) 
unit (LSU).

2

Used to adjust the laser power (absolute value) in 
the copy mode. 

3

Used to adjust the laser power (absolute value) in 
the FAX mode.

4

Used to adjust the laser power (absolute value) in 
the printer mode. 

62

1

Used to format the hard disk. (Only in the model 
with a disk installed)

2

Used to check the operation of the hard disk 
(read/write). (Only in the model with a disk 
installed) (Partial check)

3

Used to check the operation of the hard disk 
(read/write). (Only in the model with a disk 
installed) (All areas check)

6

Used to check the operations of the hard disk. 
(The self diag operation of the SMART function is 
executed.) (Only in the model with a disk 
installed)

7

Used to check the operations of the hard disk. 
(The result of the self diag operation of the 
SMART function is printed out.) (Only in the 
model with a disk installed)

8

Used to format the hard disk (the system area 
excluded). (Only in the model with a disk 
installed)

10

Used to delete a job complete list (also to delete 
job log data) (Only in the model with a disk 
installed)

11

Used to delete document filing data. (The 
management area (standard folder, user folder) is 
cleared.) (Only in the model with a disk installed)

63

1

Used to check the result of shading correction. 
(The shading correction data are displayed.)

2

Used to execute shading.

7

Used to adjust the white plate scan start position 
for shading. (Document table mode)

64

1

Used to check the operation of the printer section 
(self-print operation), (The print pattern, the paper 
feed mode, the print mode, the print quantity, and 
the density can be optionally set.)

65

1

Used to adjust the touch panel (LCD display 
section) detection position.

2

Used to check the result of the touch panel (LCD 
display) detection position adjustment. (The 
coordinates are displayed.)

66

1

Code

Function (Purpose)

Main

Sub