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MX-M350N MX-M350U MX-M450N MX-M450U (serv.man10)
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87
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Service Manual
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Device
Copying Equipment / Simulations
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mx-m350n-mx-m350u-mx-m450n-mx-m450u-sm10.pdf
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Sharp MX-M350N / MX-M350U / MX-M450N / MX-M450U (serv.man10) Service Manual ▷ View online

MX-M350/M450 N/U  SIMULATION  9 - 5
46
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.
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
Used to adjust sharpness of the scanner mode.
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
HSYNC cycle adjustment
49
1
Firmware updating
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.
Code
Function (Purpose)
Main
Sub
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.)
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)
9
Used to format the hard disk (the system area). 
(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.)
Code
Function (Purpose)
Main
Sub
MX-M350/M450 N/U  SIMULATION  9 - 6
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
Used to change and check the FAX soft switch 
functions. (Used to change and check the 
functions provided for the FAX soft switches.) 
(Only when FAX is installed)
2
Used to clear the FAX soft switch function data and 
to set to the default. (Excluding the adjustment 
values.) (Only when FAX is installed)
3
Used to check the operation of the FAX PWB 
memory (read/write). (This adjustment is required 
when the PWB is replaced with a new one.) (Only 
when FAX is installed)
4
Used to check the output operation of data signals 
in each data output mode of FAX. (Used to check 
the operation of MODEM. ) Send level: Max. (Only 
when FAX is installed)
5
Used to check the output operation of data signals 
in each data output mode of FAX. (Used to check 
the operation of MODEM.) An output is sent at the 
send level set by the soft switch. (Only when FAX 
is installed)
6
Used to print the confidential pass code. (Used 
when the confidential pass code is forgotten.) 
(Only when FAX is installed)
7
Used to print the image memory data (memory 
send/receive). (Only when FAX is installed)
8
Used to check the output operation of various 
sound signals of FAX. (Used to check the 
operation of the sound output IC.) Send level: Max. 
(Only when FAX is installed)
9
Used to check the output operation of various 
sound signals of FAX. (Used to check the 
operation of the sound output IC.) An output is sent 
at the send level set by the soft switch. (Only when 
FAX is installed)
10
Used to clear all data of the image memory 
(memory send/receive). The confidential data are 
also cleared at the same time. (Only when FAX is 
installed)
11
Used to check the output operation of FAX G3 
mode 300bps. (Used to check the operation of 
MODEM.) Send level: Max. (Only when FAX is 
installed)
12
Used to check the output operation of FAX G3 
mode 300bps. (Used to check the operation of 
MODEM.) An output is send at the send level set 
by the soft switch. (Only when FAX is installed)
13
Used to enter (set) the number of FAX dial signal 
output test. (The dial number set by this simulation 
is outputted when the dial signal output test is 
made by SIM 66-14 - 16. ) (Only when FAX is 
installed)
14
Used to set the make time in the FAX pulse dial 
mode (10pps) and to test the dial signal output. 
(The dial number signal set by SIM 66-13 is 
outputted.) Used to check troubles in dialing and to 
check the operation. (Only when FAX is installed)
15
Used to set the make time in the FAX pulse dial 
mode (20pps) and to test the dial signal output. 
(The dial number signal set by SIM 66-13 is 
outputted.) Used to check troubles in dialing and to 
check the operation. (Only when FAX is installed)
Code
Function (Purpose)
Main
Sub
66
16
Used to check the dial signal (DTMF) output in the 
FAX tone dial mode. (The dial number signal set 
by SIM 66-13 is outputted.) The send level can be 
set to an optional level. Used to check troubles in 
dialing and to check the operation. (Only when 
FAX is installed)
17
Used to check the dial signal (DTMF) output in the 
FAX tone dial mode.  Send level: Max. Used to 
check the operation. (Only when FAX is installed)
18
Used to check the dial signal (DTMF) output in the 
FAX tone dial mode.  An output is sent at the send 
level set by the soft switch. Used to check the 
operation. (Only when FAX is installed)
19
Used to back-up the HDD data into the Flash 
memory (optional FAX expansion memory: AR-
MM9). (Only when FAX is installed)
20
Used to read the back-up data by SIM 66-19 to the 
SRAM/HDD. (Only when FAX is installed)
21
Used to print information related to FAX (various 
registrations, communication management, file 
management, system error protocol). (Only when 
FAX is installed)
22
Used to adjust the handset volume. (Only when 
the FAX is installed.)
23
Used to download the FAX program. (Only when 
FAX is installed)
Not used in the market. (For development)
24
Used to clear the FAST memory data. (Only when 
FAX is installed)
25
Used to register the FAX number for Modem dial-
in. (Only when FAX is installed)
Not used in the market. (For development)
26
Used to register external telephone numbers for 
Modem dial-in. (Only when FAX is installed)
Not used in the market. (For development)
27
Used to register the transfer number for voice 
warp. (Only when FAX is installed)
Not used in the market. (For development)
29
Used to clear data related to an address book 
(one-touch registration, program registration/
expansion, relay memory box registration, each 
table content).
30
Used to check the change in the TEL/LIU status. 
(Only when FAX is installed)
31
Used to check the relay operation. (Only when 
FAX is installed)
32
Used to check the receive data (fixed data) from 
the line. (Only when FAX is installed)
33
Used to check the signal (BUSY TONE/CNG/CED/
FNET/DTMF) detection. (Only when FAX is 
installed)
34
Used to measure the communication time of test 
image data. (Only when FAX is installed)
35
Modem program rewriting. (Only when FAX is 
installed) Not used in the market. (For 
development)
36
Used to check interface between MFPC controller 
and MDMC. (Check of the data line or the 
command line) (Only when FAX is installed)
39
Used to set the destination specifications. (Only 
when FAX is installed)
42
PIC program rewriting (Only when FAX is installed)
43
PIC adjustment value writing (Only when FAX is 
installed)
67
16
Used to check the operation of the network card.
Code
Function (Purpose)
Main
Sub
MX-M350/M450 N/U  SIMULATION  9 - 7
C. Details
Operation/Procedure
1) Select the operation mode with 10-key.
2) Press START key.
The scanner performs scanning at the speed corresponding to
the operation mode.
Operation/Procedure
The sensor and detector operation conditions are displayed.
The active sensors and detectors are highlighted.
• The scanner (read) unit is in the home position.: "MHPS" section
is highlighted.
• The scanner (read) unit is not in the home position.: "MHPS" is
normally displayed.
Operation/Procedure
1) Select the operation mode with 10-key.
2) Press START key.
The SPF repeat paper feed, transport, and paper exit at the
speed corresponding to the operation mode.
The operation can be stopped by [SYSTEM SETTINGS] key.
Operation/Procedure
The operating conditions of the sensors and detectors are dis-
played.
The active sensors and detectors are highlighted.
1
1-1
Purpose
Operation test/Check
Function
(Purpose)
Used to check the operations of the scanner 
(read) unit and its control circuit.
Section
Optical (Image scanning)
Item
Operation
1
TOP SPEED
Top speed (220mm/s)
2
HIGH SPEED
High speed (168.7mm/s)
3
MIDDLE SPEED
Middle speed (110mm/s)
4
LOW SPEED
Low speed (55mm/s)
Press [START] key, and the 
operation is started.
Press [SYSTEM SETTINGS] key, and 
scanning is stopped.
1-2
Purpose
Operation test/Check
Function
(Purpose)
Used to check the operation of sensor and 
detector in the scanning (read) section and the 
related circuit.
Section
Optical (Image scanning)
Item
Operation
MHPS
Optical system home position
SIMULATION 1-1
SCANNER CHECK. SELECT 1-4, AND PRESS START.
1. TOP SPEED
2. HIGH SPEED
3. MIDDLE SPEED
4. LOW SPEED
1
SIMULATION 1-1
SCANNER CHECK. EXECUTING···.
1. TOP SPEED
2. HIGH SPEED
3. MIDDLE SPEED
4. LOW SPEED
1
SIMULATION 1-2
SCANNER SENSOR CHECK..
MHPS
2
2-1
Purpose
Operation test/Check
Function
(Purpose)
Used to check the operations of the automatic 
document feeder unit and the control circuit.
Section
DSPF
Item
Operation
1
HIGH SPEED
High speed
2
LOW SPEED
Low speed
Press [START] key, and the 
operation is started.
Press [SYSTEM SETTINGS] key, and 
the operation is stopped.
2-2
Purpose
Operation test/Check
Function
(Purpose)
Used to check the operations of the sensors and 
detectors in the automatic document feeder unit 
and the related circuits.
Section
DSPF
Item
Operation
SPFSET
SPF sensor
SOCD
Open/close sensor
SCOV
Paper feed cover sensor
SPED
Document set sensor
SPPD
Resist front detection sensor
SPOD
Document paper exit sensor
SWDn
Document width sensor (n 
 1 (inside) - 6 
(outside))
SPLSn
Document length sensor (n 
 1 (inside) - 2 
(outside))
CISSET
CIS installation detection
STSET
Stamp unit installation sensor
SWD_LEN
SPF guide plate position (unit: 0.1mm)
SWD_AD
SPF document width detection volume output AD 
value
SIMULATION 2-1
SPF AGING TEST. SELECT 1-2, AND PRESS START.
1. HIGH SPEED
2. LOW SPEED
2
SIMULATION 2-1
SPF AGING TEST. EXECUTING···.
1. HIGH SPEED
2. LOW SPEED
2
MX-M350/M450 N/U  SIMULATION  9 - 8
Operation/Procedure
1) Select the number corresponding to the target of operation
check with 10-key.
2) Press START key.
The load selected in procedure 1 is operated.
Press [SYSTEM SETTINGS] key to stop the operation of the load.
Operation/Procedure
The operating conditions of the sensors and detectors are dis-
played.
The active sensors and detectors are highlighted.
• The following units are added when the punch unit is installed to
the console finisher:
2-3
Purpose
Operation test/Check
Function
(Purpose)
Used to check the operations of the loads in the 
automatic document feeder unit and the control 
circuits.
Section
DSPF
Item
Operation
1
MOTOR(H)
Motor high speed
2
MOTOR(L)
Motor low speed
3
SDSS
SPF gate solenoid
4
SPFS
SPF pick-up solenoid
5
SPFC
SPF paper feed clutch
6
SRRC
SPF resist roller clutch
7
STMPS
Stamp solenoid
Press [START] key, and the 
operation is started.
Press [SYSTEM SETTINGS] key, and the 
operation is stopped.
3
3-2
Purpose
Operation test/Check
Function
(Purpose)
Used to check the operation of sensor and 
detector in the finisher and the related circuit.
Section
Finisher
Item
Operation
SIMULATION 2-2
SPF SENSOR CHECK.
SPFSET
        
SOCD
        
SCOV
        SPED
SPPD          SPOD        
SWD6
        SWD5
SWD4          SWD3        SWD2        SWD1
SPLS2         SPLS1       
CISSET
      STSET
SWD_LEN:
2100
             SWD_AD:
600
SIMULATION 2-3
SPF LOAD TEST. SELECT 1-7, AND PRESS START.
1.MOTOR(H)  2.MOTOR(L) 
3.SDSS      4.SPFS    5.SPFC    6.SRRC
7.STMPS
2
SIMULATION 2-3
SPF LOAD TEST. EXECUTING···.
1.MOTOR(H) 2.MOTOR(L) 
3.SDSS     4.SPFS    5.SPFC    6.SRRC
7.STMPS
2
Built-in finisher
STHP
Stapler HP detection
POD
Tray 2 paper exit detection
SCID
Staple compiler paper entry detection
PID
Paper entry detection 
T2PD
Tray 2 paper empty detection
T2DN
Tray 2 lower limit detection 
T2UP
Tray 2 upper limit detection
JRHP
Jogger R HP
JFHP
Jogger (F) HP
SCID2
Staple compiler paper entry detection 2
STTHP2
Staple rotation HP detection 2
STTHP1
Staple rotation HP detection 1
STUHP
Staple shift HP detection
PSHP
Pusher HP detection
PPD
Paper hold return detection 
DSW2
Staple replacement door open detection
DSW1
Compiler jam cancel door open detection
24VM
24V power supply
T1PF
Tray 1 full detection
STSP
Stapling ready detection 
STLS
Cartridge inside spare staple empty detection
STNC
Cartridge empty detection
DOPD
Interface unit door open detection
MMLK
Main drive motor lock detection 
SCPD
Staple compiler paper empty detection
Console finisher
FSSS
Stapler safety switch
FJS
Joint switch
FFDSW
Front door switch
FTCS
Upper cover sensor
FFDS
Front door sensor
FSPS
Self prime sensor
FSUC
Stapler connection detection
FSS
Staple sensor
FSTHPS
Stapler HP sensor
FSHPS
Slide HP sensor
FLE
Lift lock sensor
FLLLS
Lift lower limit sensor
FULS
Lift upper limit sensor
FFE
Bookbinding clock sensor
FFES
Bookbinding paper sensor
FFRHPS
Bookbinding roller HP sensor
FFHPS
Bookbinding HP sensor
FFPS
Bookbinding position sensor
FSLS
Paper surface sensor
FBES
Tray paper sensor
FOBHPS
Paper exit belt HP sensor
FAS
Alignment tray sensor
FRJHPS
Alignment HP sensor R
FFJHPS
Alignment HP sensor F
FARHPS
Bundle roller HP sensor
FPHPS
Paddle HP sensor
FES
Entry port sensor
FPE
Punch motor encoder
FPSHPS
Punch side register HP
FPUC
Punch connection detection
FPDS
Punch dust sensor
FPDSS4
Punch side register sensor 4
FPDSS3
Punch side register sensor 3
FPDSS2
Punch side register sensor 2
FPDSS1
Punch side register sensor 1
FPTS
Punch timing sensor
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