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MX-B201/B201D  SIMULATION, TROUBLE CODES  10 - 2

：'11/Oct/17

46

01

Copy density adjustment (300dpi)

02

Copy density adjustment (600dpi)

12

Density adjustment in the FAX mode (Collective 
adjustment) (When MX-FX12 is installed)

13

Density adjustment in the FAX mode (Normal text) 
(When MX-FX12 is installed)

14

Density adjustment in the FAX mode (Fine text) 
(When MX-FX12 is installed)

15

Density adjustment in the FAX mode (Super fine) 
(When MX-FX12 is installed)

18

Image contrast adjustment (300dpi)

19

Exposure mode setup

20

RSPF exposure correction

29

Image contrast adjustment (600dpi)

30

AE limit adjustment

31

Image sharpness adjustment

32

Copier color reproduction setup

39

FAX mode sharpness adjustment 
(When MX-FX12 is installed)

48

01

Front/rear (main scanning) direction and scan (sub 
scanning) direction magnification ratio adjustment

05

RSPF mode sub scan direction magnification ratio 
in copying

49

01

MCU Download mode

02

ANB Download mode

50

01

Lead edge image position

06

Copy lead edge position adjustment (RSPF)

10

Center offset adjustment

12

Document off-center adjustment

18

Memory reverse position adjustment in duplex 
copy

19

Duplex copy rear edge void adjustment 
(MX-B201D only)

27

OC rear read edge position adjustment 
(REAR READ AREA)

51

02

Resist quantity adjustment

53

08

RSPF scan position automatic adjustment

61

03

Polygon motor check (HSYNC output check)

63

01

Shading check

02

Black level automatic correction

12

Light quantity stabilization wait time setting

13

Light quantity stabilization band setting

64

01

Self print

66

01

FAX soft SW setting (When MX-FX12 is installed)

02

FAX soft SW initializing (excluding the adjustment 
values) (When MX-FX12 is installed)

03

FAX PWB memory check 
(When MX-FX12 is installed)

04

Signal send mode (Max. value) 
(When MX-FX12 is installed)

05

Signal send mode (Soft SW set value) 
(When MX-FX12 is installed)

10

Image memory content clear 
(When MX-FX12 is installed)

13

Dial test (When MX-FX12 is installed)

17

DTMF signal send (Max. value) 
(When MX-FX12 is installed)

18

DTMF signal send (Soft SW set value) 
(When MX-FX12 is installed)

21

FAX information print (When MX-FX12 is installed)

 Sim 

No.

Sub 

code

Operation

MX-B201/B201D  SIMULATION, TROUBLE CODES  10 - 3

Main 
code

Sub 

code

Contents

Details of function/operation

1

01

Mirror scan operation

[Function]
When [ENTER]/[START] key is pressed, the home position is checked and the mirror base per-
forms full scan at the speed of the set magnification ratio.

During operation, the set magnification ratio is displayed.

The mirror home position sensor status is displayed with the "Copy mode lamp". 
(When the mirror is in the home position, the lamp lights up.)

During operation, the copy lamp lights up.

When [Clear] key is pressed, if the operation is on the way, it is terminated and the machine
goes to the sub code entry standby mode.

02

Mirror home position sensor 
(MHPS) status display

[Function]
Monitors the mirror home position sensor, and makes the "Copy mode lamp". Turn on during
the sensor ON status.

06

Aging of mirror scanning

[Function]
When [ENTER]/[START] key is pressed, the mirror base performs full scan at the speed of the
set magnification ratio.

During operation, the set magnification ratio is displayed.

After 3sec, the mirror base performs full scan again. 

[Operation]
The operation is similar to simulation 1-01.

2

01

RSPF aging operation 

[Function]
When [ENTER]/[START] key is pressed, the set magnification ratio is obtained. For the SPF, the
single-face document transport is performed. For the RSPF, the duplex document transport is
performed.

However, the operating conditions don't matter and the operation is not stopped even in case of
a jam. Also the magnification ratio is displayed on the LCD/display.

[Operation]
The operation is similar to simulation 1-01.

02

RSPF sensor status display

[Function]
The ON/OFF status of the RSPF sensors can be checked with the LCD.
When a sensor is ON, the sensor name is displayed on the LCD.

03

RSPF Motor ON

[Function]
When [ENTER]/[START] key is pressed, the motor rotates for 10sec at the speed correspond-
ing to the set magnification ratio.

[Operation]
The operation is similar to simulation 1-01.

1) Initial display

2) [ZOOM] key

2) [

] key

2) [

] key

3) [ENTER]/[START] key

01-01 SCAN CHK

            - 100% +

01-01 SCAN CHK

            -  78% +

01-01 SCAN CHK

            -  99% +

01-01 SCAN CHK

            - 101% +

01-01 SCAN CHK

EXECUTING... -  78% +

1) Initial display

01-02  MHP-SENSOR

EXECUTING...

Sensor

Display item

Document set sensor

SPID  

RSPF document transport sensor

SPPD  

RSPF paper feed cover open/close sensor

SDSW  

RSPF paper exit sensor

SPOD  

1) Initial display

2) When the sensor is ON:

02-02 SPF SENSOR

02-02 SPF SENSOR

SPID SPPD SDSW SPOD

MX-B201/B201D  SIMULATION, TROUBLE CODES  10 - 4

2

08

RSPF paper feed solenoid 
operation check

[Function]
The RSPF paper feed solenoid (SPUS) repeats ON for 500ms and OFF for 500ms 20 times by
the use of the solenoid drive control Bios.

09

RSPF reverse solenoid 
operation check

[Function]
The RSPF reverse solenoid (SPFS) repeats ON for 500ms and OFF for 500ms 20 times by the
use of the solenoid drive control Bios.

3

03

Shifter operation check

[Function]
The shifter is moved back and forth in four reciprocations.

5

01

Operation panel display 
check

[Function]
<LED check mode (All ON/Individual ON)>
When [ENTER]/[START] key is pressed, all the LCD's on the operation panel are turned ON (all
pixels ON).
After 5sec of ON, the machine goes into the sub code entry standby mode.
When [Mode Select] key is pressed under the all ON state, the mode is shifted to the individual
ON mode, where the LED's are turned on one by one from the left upper end to the left lower
side then from the right upper side to the right lower side. (All the pixels of LCD are lighted
simultaneously.) After lighting all the LCD's sequentially, all the LCD's are lighted simulta-
neously. After 5sec from lighting all the LCD's simultaneously, the machine goes into the sub
code entry standby mode. (Cycle of individual ON mode: ON 300ms, OFF 20ms)

When [Clear] key is pressed in the LED check mode, the machine goes into the sub code entry
standby mode.
When [START] key is pressed, the machine goes into the key input check mode.

<Key input check mode>
When the machine goes into the key input check mode, the value display section indicates "– –
–" (For the LCD model 0 of the LCD is indicated).
When any key is pressed after pressing a key on the operation panel, "+1" is added to the
value.
Once a key is pressed, it is not recounted.
When [START] key is pressed, counting is made and the machine goes into the LED ON check
mode (LED all ON status) after 3sec.
When [Clear] key is pressed for the first time, it is counted. When it is pressed for the second
time, the key check mode is retained as well as when another key is pressed.

(Note in the key input check mode)
• Be sure to press [START] key at the last. (If it is pressed on the way, the machine goes into

the LED ON check mode.) (LED all ON status)

• Multi key input is ignored.

[Operation]
<LED check mode (All ON/Individual ON)>

<Key input check mode>

Main 
code

Sub 

code

Contents

Details of function/operation

1) Initial display

02-08 SPF SPUS CHK

EXECUTING...

1) Initial display

02-09 RSPF SPFS CHK

EXECUTING...

1) Initial display

03-03 SHIFTER CHK

EXECUTING...

1) Initial 

display

2) When [Mode Select] key is pressed, the machine goes into the individual ON mode.

■■■■■■■■■■■■■■■■■■■■■

■■■■■■■■■■■■■■■■■■■■■

1) Initial display

2) [ENTER]/[START] key

05-01 LCD/LED CHK.

                     0

05-01 LCD/LED CHK.

                    **

MX-B201/B201D  SIMULATION, TROUBLE CODES  10 - 5

5

02

Fusing lamp, cooling fan 
operation check

[Function]
When [ENTER]/[START] key is pressed, the fusing lamp repeats ON for 500ms and OFF for
500ms 5 times. During this period, the cooling fan motor rotates.

03

Copy lamp ON

[Function]
When [ENTER]/[START] key is pressed, the copy lamp turns ON for 5sec.

6

01

Paper feed solenoid ON

[Function]
When [ENTER]/[START] key is pressed, the selected paper feed solenoid repeats ON for
500ms and OF for 500ms 20times.

When tray select key (or [Numeric] key or [

] [

] key for the LCD model)

 

is pressed, the

paper feed solenoid setting is switched.

02

Resist solenoid ON

[Function]
When [ENTER]/[START] key is pressed, the resist solenoid repeats ON for 500ms and OFF for
500ms 20 times.

7

01

Warm-up display and aging 
with jam

[Function]
Copying is repeated to make the set quantity of copies.
When the simulation is executed, warm-up is started and warm-up time is added for every sec-
ond from 0 and displayed.
When warm-up is completed, addition is stopped. When [Clear All] key is pressed, the ready
lamp lights up.
After that, enter the copy quantity with [Numeric] key and press [ENTER]/[START] key to repeat
copying of the set quantity (interval 0sec).
To cancel the simulation, turn off the power or execute a simulation which causes hardware
reset.

Main 
code

Sub 

code

Contents

Details of function/operation

1) Initial display

05-02 HT LAMP CHK

EXECUTING...

1) Initial display

05-03 C-LAMP CHK

EXECUTING...

Code number

Setting

Remark

0

CPFS1

1

CPFS2

Operation is possible only when No. 2 cassette is installed. 

2

MPFS

1) Initial display

2) [Numeric] key or [

] key

2) [Numeric] key or [

] key

3) [ENTER]/[START] key

4) Returns to the initial display.

06-01 PSOL CHK

0:CPFS1

06-01 PSOL CHK

1:CPFS2

06-01 PSOL CHK

2:MPFS

06-01 PSOL CHK

EXECUTING...

1) Initial display

06-02 RES.R SOL CHK

EXECUTING...

1) Initial display

2) After 10sec

07-01 W-UP/AGING

                    0

07-01 W-UP/AGING

                   10