Sharp Mx-b200 Service Manual

							MX-B200  SIMULATION, TROUBLE CODES  10 - 4 8 01 Developing bias[Function]
When [START] key is pressed, the developing bias signal is turned ON for 30sec.
When, however, an actual output value is measured, use simulation 25-01.
After completion of this process, the machine goes into the sub code entry standby mode.
02 Main charger (Grid high)[Function]
When [START] key is pressed, the main charger is outputted for 30sec in the grid voltage HIGH
move.
After completion of this process, the machine goes into the sub code entry standby mode. 
03 Grid voltage (Low)[Function]
When [START] key is pressed, the main charger is outputted for 30sec in the grid voltage LOW
move.
After completion of this process, the machine goes into the sub code entry standby mode.
06 Transfer charger[Function]
When [START] key is pressed, the transfer charger is outputted for 30sec.
After completion of this process, the machine goes into the sub code entry standby mode.
10 Toner motor aging[Function]
When [START] key is pressed, the toner motor is rotated for 30sec.
After completion of this process, the machine goes into the main code entry standby mode.
14 Cancel of troubles other than 
U2[Function]
Used to cancel troubles other than U2.
∗Cancel troubles such as H trouble which writes data into EEPROM, and perform hardware 
reset.
16 Cancel of U2 trouble[Function]
Used to cancel U2 trouble.
When [START] key is pressed, check sum of the total counter in the EEPROM is rewritten and
hardware reset is made.
20 01 Maintenance counter clear[Function]
When [START] key is pressed, the maintenance counter value is cleared to display “000,000.”
The upper three digits and the lower three digits of “000,000” are displayed on the 7seg display.
21 01 Maintenance cycle setting[Function]
The code of the currently set maintenance cycle value (default display) is displayed and the set
data are saved.
22 01 Maintenance counter display[Function]
When [START] key is pressed, the maintenance counter value is displayed.
The display method is the same as SIM20-01.
02 Maintenance preset display[Function]
When [START] key is pressed, the number of sheets (25,000 sheets, etc.) corresponding to the 
code set with SIM21-01 is displayed. 
The display method of the value is the same as SIM20-01.
04 JAM total counter display[Function]
The JAM total counter is displayed.
[Operation]
05 Total counter display[Function]
The total counter value is displayed.
[Operation]
The operation is similar to simulation 22-04. Main 
codeSub 
codeContents Details of function/operation
Code number Setting Remark
0 3,000 sheets
1 6,000 sheets
2 9,000 sheets
3 13,000 sheets
4 25,000 sheets Default
5 Free (999,999 sheets)
The count value is displayed in 3 digits X 2 times repeatedly.

01
2 →Bla
nk→34
5→Bla
nk→01
2
0.
7s0.3s 0.
7s1.0s 0.
7s 
						

							MX-B200  SIMULATION, TROUBLE CODES  10 - 5 22 06 Developer counter display[Function]
When [START] key is pressed, the developer counter data are acquired and displayed. 
The display method of the value is the same as SIM20-01.
08 SPF counter display (Option)[Function]
The SPF counter is displayed.
[Operation]
The operation is similar to simulation 22-04.
12 Drum counter display[Function]
The drum counter is displayed.
[Operation]
The operation is similar to simulation 22-04.
13 CRUM type display[Function]
When [START] key is pressed, the CRUM type which is currently set (written) in the CRUM chip 
is displayed.
14 ROM version display[Function]
The P-ROM version is displayed.
[Operation]
The operation is similar to simulation 22-04.
17 Copy counter display[Function]
The copy counter is displayed.
[Operation]
The operation is similar to simulation 22-04.
18 Printer counter display[Function]
The printer counter is displayed.
[Operation]
The operation is similar to simulation 22-04.
19 Scanner mode counter 
display[Function]
The scanner mode counter is displayed.
[Operation]
The operation is similar to simulation 22-16.
21 Scanner counter display[Function]
The scanner counter is displayed.
[Operation]
The operation is similar to simulation 22-04.
22 SPF JAM counter display 
(Option)[Function]
The SPF JAM counter is displayed.
[Operation]
The operation is similar to simulation 22-04.
24 01 JAM total counter clear[Function]
When [START] key is pressed, the JAM total counter is cleared to 0 and 000,000 is displayed
on the LED/display.
[Operation]
The operation is similar to simulation 22-04.
04 SPF counter clear 
(Option)[Function]
When [START] key is pressed, the SPF counter value is cleared to 0 and 000,000 is displayed
on the LED/display.
[Operation]
The operation is similar to simulation 22-04.
06 Developer counter clear[Function]
When [START] key is pressed, the developer counter value is cleared to 0. 
The display method of the value is the same as SIM20-01. Main 
codeSub 
codeContents Details of function/operation
Code number CRUM type
00 Unsetting
01 BTA-A
02 BTA-B
03 BTA-C
99 Conversion
Code number Version
0 Main unit Program 
						

							MX-B200  SIMULATION, TROUBLE CODES  10 - 6 24 07 Drum counter clear[Function]
When [START] key is pressed, the drum counter value is cleared to 0, and 000,000 is dis-
played on the LED/display.
[Operation]
The operation is similar to simulation 22-04.
08 Copy counter clear[Function]
When [START] key is pressed, the copy counter value is cleared to 0, and 000,000 is dis-
played on the LED/display.
[Operation]
The operation is similar to simulation 22-04.
09 Printer counter clear[Function]
When [OK]/[START] key is pressed, the printer counter value is cleared to 0, and 000,000 is
displayed on the LED/display.
[Operation]
The operation is similar to simulation 22-04.
13 Scanner counter clear[Function]
When [OK]/[START] key is pressed, the scanner counter value is cleared to 0, and 000,000 is 
displayed on the LED/display.
[Operation]
The operation is similar to simulation 22-04.
14 SPF JAM total counter clear 
(Option)[Function]
When [START] key is pressed, the SPF JAM total counter value is cleared to 0, and 000,000 is
displayed on the LED/display.
[Operation]
The operation is similar to simulation 22-04.
15 Scanner mode counter clear[Function]
When [START] key is pressed, the scanner mode counter value is cleared to 0, and 000,000 is
displayed on the LED/display.
[Operation]
The operation is similar to simulation 22-16.
25 01 Main motor operation check 
(Cooling fan motor rotation 
check)[Function]
When [START] key is pressed, the main motor is operated for 30sec.
To reduce toner consumption, if the developing unit is installed, the developing bias, the main
charger, and the grid are also outputted.
In this case, laser discharge is required when stopping the motor, the polygon motor is also
operated at the same time. Check for installation of the developing unit. If it is not installed, the
high voltage above is not outputted and only the motor is rotated.
To check the developing bias, install the developing unit.
After completion of 30sec operation, the machine goes into the sub code entry standby mode.
10 Polygon motor ON[Function]
When [START] key is pressed, the Bios is called to rotate the polygon motor for 30sec. 
After completion of 30sec operation, the operation is turned off with the Bios and the machine
goes into the sub code entry standby mode.
26 02 SPF setup (Option)[Function]
When this simulation is executed, the current set SPF is displayed. Enter the code number cor-
responding to the desired SPF and press [START] key to save the setting.
03 2nd cassette setup (Option)[Function]
When this simulation is executed, the current set 2nd cassette is displayed. Enter the code
number corresponding to the desired 2nd cassette and press [START] key to save the setting. Main 
codeSub 
codeContents Details of function/operation
Code number SPF
0SPF NO
1SPF YES
Code number 2nd cassette
0 2nd cassette NO
1 2nd cassette YES 
						

							MX-B200  SIMULATION, TROUBLE CODES  10 - 7 26 06 Destination setup[Function]
When this simulation is executed, the current set destination is displayed. Enter the code num-
ber corresponding to the desired destination and press [OK]/[START] key to save the setting.
* Code number 2 and 3 cannot be selected.
[Operation]
The operation is similar to simulation 26-02.
07 Machine conditions check[Function]
When this simulation is executed, the current machine setting is displayed.
20 Rear edge void setup[Function]
When this simulation is executed, the current set rear edge void is displayed. Enter the code
number corresponding to the desired rear edge void and press [START] key to save the setting.
[Operation]
The operation is similar to simulation 26-02.
30 CE mark support control 
ON/OFF[Function]
When this simulation is executed, the current set CE mark support control is displayed. Enter
the code number corresponding to the desired CE mark support control and press [START] key
to save the setting.
[Operation]
The operation is similar to simulation 26-02.
37 Cancel of stop at developer 
life over[Function]
When this simulation is executed, the current setting is displayed. When the code number is 
entered and [START] key is pressed, the setting is changed.
39 Memory capacity check[Function]
When the simulation is executed, the currently installed SDRAM of the main unit is displayed.
40 Polygon motor OFF time 
setup (Time required for 
turning OFF after completion 
of printing)[Function]
When this simulation is executed, the current setting is displayed. Enter the code number corre-
sponding to the desired setting and press [START] key to save the setting.
[Operation]
The operation is similar to simulation 26-02. Main 
codeSub 
codeContents Details of function/operation
Code number Destination
0 Inch series
1 EX Japan AB series
2 Japan AB series
3 China
CPM Copy quantity  Remark
20 CPM 20
Code number Setting Remark
0 Rear edge void NO
1 Rear edge void YES Default
Code number Setting Remark
0 CE mark support control OFF Default (100V series)
1 CE mark support control ON
 
Code number  Setup Remark
0 Stop at developer life over
1 Cancel of stop at developer life over Default
Code number Setting Remark
32 32 MBYTE
Code number Setting Display item Remark
00sec0
1 30sec 30 Default
2 60sec 60
3 90sec 90 
						

							MX-B200  SIMULATION, TROUBLE CODES  10 - 8 26 42 Transfer ON timing control 
setup[Function]
Enter the code number with [UP/UP] key and press [START] key, and the entered set value is
saved and the machine enters the sub code input standby state.
Use [Density Select] key to select a mode. The set value of the selected mode is displayed in
the 7seg display. Main 
codeSub 
codeContents Details of function/operation

* The default value, 11, of the transfer ON timing indicates 236msec passed from PS
release.
* When set to 0, it is same as setting to the default, 11.
* The transfer ON timing can be adjusted to 236msec ± 2ms.

* The default 50 of the transfer OFF timing indicates 210msec passed from PPD1OFF.Mode LED Default Setting range
Front surface paper 
lead edgeAE mode lamp 11 0 - 21
Front surface paper 
rear edgeTEXT mode lamp 50 1 - 99
Back surface paper 
lead edgePHOTO mode lamp 11 0 - 21
Back surface paper 
rear edgeAE mode lamp
TEXT mode lamp50 1 - 99
Code number Setting Code number Setting
0 Default (236 msec)  11 Default (236 msec)
1 –20 msec  12 +2 msec
2 –18 msec  13 +4 msec
3 –16 msec  14 +6 msec
4 –14 msec  15 +8 msec
5 –12 msec  16 +10 msec
6 –10 msec  17 +12 msec
7 –8 msec  18 +14 msec
8 –6 msec  19 +16 msec
9 –4 msec  20 +18 msec
 10 –2 msec  21 +20 msec
Code Setting Remark
1 –98 msec
. . . . . .
49 –2 msec
50 0 msec Default
51 +2 msec
. . . . . .
99 +98 msec 
						

							MX-B200  SIMULATION, TROUBLE CODES  10 - 9 26 43 Side void setup[Function]
When this simulation is executed, the currently set code of the side void quantity is displayed
(initial display), and the set data are saved. (Setting range: 0 – 10, Default: 4 (= One side
2.0mm)) 
* When the adjustment value is increased by 1, the side void is changed as follows:
Side void adjustment: The side void is increased by 0.5mm. (The side void of Set value x
0.5mm is made.)
[Operation]
The operation is similar to simulation 09-04.
54γ life correction setting[Function]
Used to set the γ life correction.
When this simulation is executed, the current set code number is displayed.
Enter the desired code number and press [START] key to save the setting. 
(Setting range: 0 – 1, default: 1)
[Operation]
The operation is similar to simulation 26-02.
62 Energy-save mode copy 
lamp setup[Function]
Used to set half-ON /OFF of the copy lamp in the pre-heat mode.
When this simulation is executed, the current set code number is displayed. Enter the desired
code number and press [START] key to save the setting.
[Operation]
The operation is similar to simulation 26-02.
69 Used to set the operating 
conditions for toner near end[Function]
This simulation is used to set the operating conditions for toner near end. The setting mode is 
switched by [Density select] key. 
The set value of the selected mode is displayed on the 7seg display.
When the code number is entered and [START] key is pressed, the setting is switched. Main 
codeSub 
codeContents Details of function/operation
Code Setting Remark
00 mm
10.5 mm
21.0 mm
31.5 mm
4 2.0 mm Default
52.5 mm
63.0 mm
73.5 mm
84.0 mm
94.5 mm
10 5.0 mm
Code number Setting Remark
0OFF
1 ON Default
Code number Setting Remark
0 Copy lamp OFF
1 Copy lamp half-ON Default

Lighting LED: AE mode lamp
Code number Setting contents
0 Toner near end is displayed
1 Toner near end is not displayed
Code number Setting contents
1 Operation setting 1
2 Operation setting 2
3 Operation setting 3 
						

							MX-B200  SIMULATION, TROUBLE CODES  10 - 10 30 01 Paper sensor status display[Function]
The paper sensor status is displayed on the LED.
∗Since the manual paper feed sensor is a single bypass sensor, its status is not displayed.
41 06 OC cover float detection 
level adjustment (Option)[Function]
When this simulation is executed, the current set value is displayed. When [START] key is
pressed, the mirror base unit moves to the SPF scan position to acquire the OC cover float
detection level.
When the mirror base unit returns to the home position, the acquired value is displayed.
If the adjustment is NG, the following message is displayed.
Misfeed lamp lights up, and the 7seg display remains unchanged.
Note that, this simulation must be executed with the OC cover closed.
∗If the value is 0, float detection is not performed in normal jobs.
07 OC cover float detection 
margin setting (Option)[Function]
For the number of pixels between black markers on the SPF scanning position saved in 41-06:
(OC cover float detection level adjustment), if the number of pixels between the markers when
processing float detection is less than the number of pixels set with this simulation, it is judged
as the float error.
When the set value of this simulation is 0, no float error occurs.
When this simulation is executed, the current set value is displayed.
Enter the adjustment value with [ ] [ ] key and press [START] key. The setting is saved and
the display is shifted to the sub code input standby menu. 
Setting range: 0 – 99 (Copes with margin 0 – 99 pixels.)
Default: 30 (30 pixels)
[Operation]
The operation is similar to simulation 9-04.
43 01 Fusing temperature setting 
(Normal copy)[Function]
Used to set the fusing temperature of 3rd or later sheet. (For 1st and 2nd sheets, SIM 43-14 is
used.)
When this simulation is executed, the current set code number is displayed. Press [ ] [ ] key
to change the setting and press [START] key to save the setting into the EERPOM. 
The machine goes into the sub code entry standby mode.
The [Exposure mode selector] key is used to select the mode.
[Operation]
1) Press [Exposure mode selector] key to change the mode. 
2) Press [ ] [ ] key to set the value.
3) Press [START] key to fix the code number. Main 
codeSub 
codeContents Details of function/operation
Sensor Signal Display lamp
Paper exit sensor POD Photoconductor cartridge 
replacement lamp
Paper entry sensor   PPD1 Developer cartridge replacement 
lamp
Duplex sensor PPD2 JAM lamp  
2nd CS sensor PPD3 2nd cassette lamp  
* The cassette feed and the manual feed are controlled similarly.CodeSet temperature  
(°C)Remark CodeSet temperature  
(°C)Remark
0 170  5 195 Default
1 175  6 200
2 180  7 205
3 185  8 210
4 190
Mode Display item
Main cassette paper 
feed,  2nd cassette 
feedAE mode lamp  
Manual paper feed   TEXT mode lamp   
						

							MX-B200  SIMULATION, TROUBLE CODES  10 - 11 43 04 Fusing temperature setting 
in multi copy[Function]
For 20th sheet or later in multi copy, the fusing temperature is automatically changed from the
temperature set with simulation 43-01 to the temperature set with this simulation.
When this simulation is executed, the current set code number is displayed. Enter the code
number and press [START] key to change the setting.
[Operation]
The operation is similar to simulation 43-01.
09 Postcard size paper fusing 
control setting[Function]
When this simulation is executed, the currently set code number is displayed. 
Enter the code number and press [START] key, and the setting is changed.
11 Postcard size paper fusing 
temperature setting[Function]
When the simulation is executed, the current set value is displayed.
Press [UP/UP] key to switch the setting. Press [START] key to write into the EEPROM. 
The machine enters the sub code input standby state. Main 
codeSub 
codeContents Details of function/operation
* The cassette feed and the manual feed are controlled similarly.Code Set temperature (°C) Remark
0 165
1 170
2 175
3 180
4 185
5 190
6 195
7 200
Mode Display lampDefault
Europe
Main cassette paper feed,  2nd cassette 
feedAE mode lamp 3
Manual paper feed TEXT mode lamp 3
Main cassette paper feed,  2nd cassette 
feed (small-size)PHOTO mode lamp 3
Manual paper feed (small-size) AE mode lamp
TEXT mode lamp3
Code Shift temperature (°C) Remark
0 Cancel Default
1Set
Code Shift temperature (°C) Remark
0 160
1 165
2 170
3 175
4 180
5 185
6 190
7 195 Default
8 200 
						

							MX-B200  SIMULATION, TROUBLE CODES  10 - 12 43 14 Fusing start temperature 
setting[Function]
When this simulation is started, the currently set code number is displayed.
Press [ ] [ ] key to switch the setting, and press [START] key to save it to the EEPROM. 
The machine goes to the sub code entry standby mode.
Switching to each mode is made by [Density Select] key. The set value of the selected mode is 
displayed on the 7seg display.
∗The cassette feed and the manual feed are controlled similarly.
[Operation]
The operation is similar to simulation 43-01.
15 Postcard size paper fusing 
control cycle synchronization 
setting[Function]
When this simulation is executed, the currently set code number is displayed.
When [UP/UP] key is pressed, setting is switched. When [START] key is pressed, setting is 
written into the EEPROM, and the machine enters the sub code input standby state. 
(Setting range: 0 - 20, Default: 0)
∗When set to 0, the setting is canceled and the fusing temperature control and the paper 
pass timing are not synchronized. The conventional control (control same as other paper) is 
performed. 
∗When set to 1 - 20, postcards are passed in synchronization with the fusing temperature 
control, ensuring stable fusing. However, the CPM becomes smaller.
∗When set to 1 - 20 and when set value x 0.5°C + control temperature, the fusing heater 
lamp is controlled to be OFF. Main 
codeSub 
codeContents Details of function/operation
Code Set temperature (°C) Remark
0 160
1 165
2 170
3 175
4 180
5 185
6 190
7 195
8 200
9 205
10 210
Mode LEDDefault
Europe
Maine cassette paper feed & 
2nd cassette paper feedAE mode lamp 8
Manual paper feed TEXT mode lamp 8
CodeSynchronization 
settingFusing heater lamp OFF 
timing temperatureRemark
0 Cancel - Default
1 Setting + 0.5°C
n　n　nn　n　n
6 + 3.0°Cn　n　nn　n　n
20 + 10.0°C 
						

							MX-B200  SIMULATION, TROUBLE CODES  10 - 13 46 01 Copy density adjustment 
(300dpi)[Function]
Copy density is set for each mode.
When this simulation is executed, the current set value is displayed in 2 digits (Default: 50).
Change the set value and press [START] key to make a copy under the set value.
When the set value is increased, the copy becomes darker. When the set value is decreased,
the copy becomes lighter.
In this case, only Exp.3 copy is made. When, however, the setting is made to make darker copy,
Exp.1 and Exp.5 copies also become darker. When made to lighter copy, Exp1. and Exp.5 cop-
ies become lighter, too.
Press [Exposure mode selector] key to switch the mode. The set value of the selected mode is
displayed on the LED/display. (Adjustment value: 1 – 99) 
The setting procedure of the magnification ratio is the same as that to copy operation.
[Operation]
1) Press [Exposure mode selector] key to change the mode. 
2) Press [ ] [ ] key to set the value. 
3) [START] Fixing and printing value
∗Print is started in the set mode.
∗To cancel the manual paper feed tray paper empty MSG, press [Any] key. 
∗When the AE mode exposure adjustment is made, put the chart on the rear side of the 
document table to avoid the center section (10cm).
02 Copy density adjustment 
(600dpi)[Function]
Copy density is set for each mode.
When this simulation is executed, the current set value is displayed in 2 digits (Default: 50).
Change the set value and press [START] key to make a copy under the set value.
When the set value is increased, the copy becomes darker. When the set value is decreased,
the copy becomes lighter.
In this case, only Exp.3 copy is made. When, however, the setting is made to make darker copy,
Exp.1 and Exp.5 copies also become darker. When made to lighter copy, Exp1. and Exp.5 cop-
ies become lighter, too.
Press [Exposure mode selector] key to switch the mode. (Adjustment value: 1 – 99) 
[Operation]
The operation is similar to simulation 46-01. Main 
codeSub 
codeContents Details of function/operation
Mode Display lamp Default
AE mode (300dpi) AE mode lamp 50
TEXT mode (300dpi) TEXT mode lamp 50
PHOTO mode PHOTO mode lamp 50
TS mode (TEXT) (300dpi) TEXT mode lamp
PHOTO mode lamp50
TS mode (AE) (300dpi) AE mode lamp
PHOTO mode lamp50
Dither mode AE mode lamp
TEXT mode lamp
PHOTO mode lamp50
Mode Display lamp Default
AE mode (600dpi) AE mode lamp 50
TEXT mode (600dpi) TEXT mode lamp 50
PHOTO mode PHOTO mode lamp 50
TS mode (TEXT) (600dpi) TEXT mode lamp
PHOTO mode lamp50
TS mode (AE) (600dpi) AE mode lamp
PHOTO mode lamp50
Dither mode AE mode lamp
TEXT mode lamp
PHOTO mode lamp50