Sharp Mx 2300n Service Manual

							MX-2300/2700 N/G  ELECTRICAL SECTION  11 – 27
S. FAX section (P19)
CN2CN3 CN8
B3P-PH-K-S
MJ1 CN2 CN7
MJ-64J-RD315
MJ2
MJ-66J-RD315
S32B-PHDSS-B B32B-PHDSS-B
TX24-40R-10ST-H1 TX25-40P-8ST-H1
D-GND
P-GND
31
32
P-GND
32
D-GND
31 29
30 25
26
27
28 21
22
23
24 17
18
19
20 13
14
15
169
10
11
12
3.3V
3.3V
1
2
3
4
5
6
7
8
FAX_CTS(CS)-5VOFAX_RTS(CS)-12V
FAX_CTS(D)-D-GNDFAX_RTS(D)-FLVPPFAX_TXD(CS)+PLED-FAX_TXD(CS)-D-GNDFAX_TXD(D)-RES_MPF-FAX_TXD(D)+FAX_WUP-RES_FAX-FAX_RXD(CS)+D-GNDFAX_RXD(CS)-D-GND
D-GND
3.3V
3.3VFAX_RXD(D)-CNCT_FAX-FAX_RXD(D)+MSW_MON-
29
3.3V
30
3.3V
27
n FAX_CTS(CS)
28
12V
25
n FAX_RTS(CS)
26
5VO
23
n FAX_CTS(D)
24
FLVPP
21
n FAX_RTS(D)
22
D-GND
19
FAX_RXD(CS)_N
20
D-GND
17
n WU_FAX
18
n PLEDFAX_RXD(CS)_P
15
FAX_RXD(D)_P
16 13
FAX_RXD(D)_N
14
n RES_MPFC_FAX
11
FAX_TXD(CS)_N
12
D-GND
9
FAX_TXD(CS)_P
10
n RES_FAX
7
FAX_TXD(D)_P
8
n MSW_MON
5
FAX_TXD(D)_N
6
n CNCT_FAX
3
3.3V
4
3.3V
1
D-GND
2
D-GND
112V
2 P-GND
312V
4 P-GND
5 150VON
6CION
7 48VON
8 HS1-
9 HS2-
10 CI-
11 EXHS-
12 SON1
13 SON2
14 ECON
15 MRON
16 TELID
17 NC
18 NC
19 NC
20 NC
21 GND
22 3.3V
23 GND
24 5VS
25 GND
26 SI3_RES-
27 SPK
28 ATXD
29 ARXD
30 ABITCLK
31 ASPCLK
32 RGDT-
33 MDM_CLK
34 AFE_RES-
35 BBITCLK
36 BSPCLK
37 BTXD
38 BRXD
39 HDMUTE-
40 RHS-3NC
12V
AG
SPEAKER
(BOARD TO
BOARD)1 SP-
2 SP+
12V
AG
150VON
CION
48VON
HS1-
HS2-
CI-
EXHS-
SON1
SON2
ECON
MRON
TELID
NC
NC
NC
NC
DG
3.3V
DG
5VS
DG
SI3_RES-
SPK
MDM_ATXD
MDM_ARXD
MDM_ABITCLK
MDM_ASPCLKRGDT-
MDM_CLK
AFERES-
BBITCLK
BSPCLK
BTXD BRXD
HDMUTE-
RHS-1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40 1NC
2 TEL1
TEL2
6NC 3L1
4L2
TEL1
4 TEL2 1NC
2NC
5NC
6NC TO LINE
3 5
TEL LIU PWBFAXMAINPWB
MOTHER
PWB
TO EX TEL 
						

							MX-2300/2700 N/G  ELECTRICAL SECTION  11 – 28
T. MFP board section 1/2 (P20)
PHNR-4-H + BU04P-TR-P-H
P QR/P4 8P S
CN5HU5-400PNA-S53T-FA
CN8 USB-B CN9 USB-A CN26 LAN CN18 RS232C
CN21
CN4TX25-100P-LT-H1E CN15 CN17
B4P-VH
B10B-PHDSS-B
9 CD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI5
6
7
8 1
2
3
4
USB2.0(HOST)
USB1.1(DEVICE)
LAN RS232C
MFPC PWB HDD
MOTHER PWB
NC TX+
TX-
CT
NC1
2
CT
RX+
RX-5
6
7
8 3
4 5V
D+ D-
GND1
2
3
4 5V
D+ D-
GND1
2
3
4
8 12V
HDDFM_PWMD-GNDHDDFM_LD
HDD
FAN
2
4
6
2
HDDFM_PWM
3
1 12V 4
D-GND 8 4 HDDFM_LD 1
3 D-GND 2
1 12V 1 4 5VN 4
5 D-GND 5 8
1
2
3
412V
D-GND
D-GND
5VN
12V
5VN D-GND
D-GND1
2 3
437
38
39
40 33
34
35
36 29
30
31
32 25
26
27
28 21
22
23
24 17
18
19
20 13
14
15
169
10
11
125
6
7
8 1
2
3
4
IDE_CS0
IDE_CS1
IDE_DASP_ND-GND IDE_DA1
IDE_CBLID_NIDE_DA0
IDE_DA2
IDE_DMACK_ND-GNDIDE_INTRQICCS10
IDE_DIOR_ND-GNDIDE_IORDY_ND-GND
IDE_DMARQD-GNDIDE_DIOW_ND-GND IED_DD0
IED_DD15
D-GND
KEY IED_DD2
IED_DD13
IED_DD1
IED_DD14IED_DD4
IED_DD11
IED_DD3
IED_DD12IED_DD6
IED_DD9
IED_DD5
IED_DD10
IDE_RST_ND-GND
IED_DD7
IED_DD8
IDE_CS0
IDE_CS1
IDE_DASP_ND-GND IDE_DA1
IDE_CBLID_NIDE_DA0
IDE_DA2
IDE_DMACK_ND-GNDIDE_INTRQICCS10
IDE_DIOR_ND-GNDIDE_IORDY_ND-GND
IDE_DMARQD-GNDIDE_DIOW_ND-GND IED_DD0
IED_DD15
D-GND
KEY IED_DD2
IED_DD13
IED_DD1
IED_DD14IED_DD4
IED_DD11
IED_DD3
IED_DD12IED_DD6
IED_DD9
IED_DD5
IED_DD10
IDE_RST_ND-GND
IED_DD7
IED_DD8
37
38
39
40 33
34
35
36 29
30
31
32 25
26
27
28 21
22
23
24 17
18
19
20 13
14
15
169
10
11
125
6
7
8 1
2
3
4 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
SCANDATA2+
SCANDATA2-
SCANDATA1+
SCANDATA1- SCANDATA3+
SCANDATA3-
SCANCLKOUT+
SCANCLKOUT-
SCANDATA0+
SCANDATA0-
LCD_DATA0-
LCD_DATA0+
LCD_DATA1-
LCD_DATA1+
LCD_DATA2-
LCD_DATA2+
LCD_CLK-
LCD_CLK+
CH0_N
CH0_P
CH1_N
CH1_P
CH2_N
CH2_P
CLK_N
CLK_P
CH3_N
CH3_P
ECLK_LSU_N
ECLK_LSU_P
31
32HSYNC_LSU_P
HSYNC_LSU_N
29
30
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
VSYNC_K_N
VSYNC_K_P
VSYNC_C_P
VSYNC_C_N
VSYNC_M_N
VSYNC_M_P
VSYNC_Y_P
VSYNC_Y_N
5VL
5VL
5VL
5VL
5VL
5VL
5VL
5VL
5VL
5VL
RXD_SCN
n CTS_SCN
TXD_SCN
n RTS_SCN
n RES_SCN
n RES_PCU
RXD_PCU
n CTS_PCU
TXD_PCUn RTS_PCU
TXD_FAX(D)
TXD_FAX(CS)RXD_FAX(D)RXD_FAX(CS)n RTS_FAX(D)
n CTS_FAX(D)
n RTS_FAX(CS)
n CTS_FAX(CS)
n RES_FAXn CNCT_FAXnWU_FAX2n MSW_MON2n POF_MFPCn REQ_PIC
n CLR_PIC
TXD_PIC
RXD_PIC
PWM
n CNCT_FANn RES_PIC
RES_MFP
PWM2
FLVPP
n REQ_PIC_INTn WU_FAX13.3V
3.3V
3.3V
5VO
12V
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
SCANDATA3+
SCANDATA3-
SCANCLKOUT+
SCANCLKOUT-
SCANDATA2+
SCANDATA2-
SCANDATA1+
SCANDATA1-
SCANDATA0+
SCANDATA0-
LCD_DATA0-
LCD_DATA0+
LCD_DATA1-
LCD_DATA1+
LCD_DATA2-
LCD_DATA2+
LCD_CLK-
LCD_CLK+
CH0_N
CH0_P
CH1_N
CH1_P
CH2_N
CH2_P
CLK_N
CLK_P
CH3_N
CH3_P
ECLK_LSU_N
ECLK_LSU_P
HSYNC_LSU_P
HSYNC_LSU_N
VSYNC_K_N
VSYNC_K_P
VSYNC_C_P
VSYNC_C_N
VSYNC_M_N
VSYNC_M_P
VSYNC_Y_P
VSYNC_Y_N
5VL
5VL
5VL
5VL
5VL
5VL
5VL
5VL
5VL
5VL
RXD_SCN
n CTS_SCNTXD_SCNn RTS_SCN
nRES_SCN
nRES_PCU
RXD_PCUn CTS_PCUTXD_PCUn RTS_PCU
TXD_FAX(D)
TXD_FAX(CS)RXD_FAX(D)RXD_FAX(CS)n RTS_FAX(D)
n CTS_FAX(D)
n RTS_FAX(CS)
n CTS_FAX(CS)
n RES_FAX
n CNCT_FAX
n WU_FAX2
n MSW_MON2n POF_MFPC
n REQ_PIC
nCLR_PIC
TXD_PIC
RXD_PIC
PWM
n CNCT_FANn RES_PIC
RES_MFP
PWM2
FLVPP
n REQ_PIC_INTn WU_FAX13.3V
3.3V
3.3V
5VO
12V
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
87
88 81
82
83
84
10093
94
95
96
BOARD TO BOARD
97
98
99 89
90
91
92 85
86
(HDD POWER interface harness)
(HDD POWER harness)(HDD POWER interface harness) 
						

							MX-2300/2700 N/G  ELECTRICAL SECTION  11 – 29
U. MFP board section 2/2 (P21)
CN19
B32B-PHDSS-B
CN22FX8C-60S-SV5
2nd FAX UN
(OPTION)
EXTEND PCI
57
58
59
60 53
54
55
56 51
52 47
48
49
50 43
44
45
46 39
40
41
42 35
36
37
38 31
32
33
34 27
28
29
30 23
24
25
26 19
20
21
22 15
16
17
18 11
12
13
147
8
9
103
4
5
6
32 31
MFPC PWB
29
30 28
26
27 24
25 22
23 20
21 18
19 16
17 14
15 12
13 10
118
9 6
74
5 2
3 1
1
2
PCI1_SERR
PCI1_PERR
D-GND
D-GND
PCI1MAC_IRDY
PCI1MAC_TRDY
PCI1MAC_DVSELPCI_STOPD-GND
PCI1MAC_IDSELPCI1MAC_PARPCI1MAC_FRAME
PCI1MAC_AD1
PCI1MAC_AD2
PCI1MAC_CBE0PCI1MAC_AD0 PCI1MAC_AD6
PCI1MAC_AD3
PCI1MAC_AD4 PCI1MAC_AD9
PCI1MAC_AD7
PCI1MAC_CBE1PCI1MAC_AD5
PCI1MAC_AD10
PCI1MAC_AD11
PCI1MAC_AD8
PCI1MAC_AD14
PCI1MAC_AD15
PCI1MAC_AD12
PCI1MAC_AD13 PCI1MAC_AD17
PCI1MAC_AD18
PCI1MAC_CBE2
PCI1MAC_AD16 PCI1MAC_AD21
PCI1MAC_AD22
PCI1MAC_AD19
PCI1MAC_AD20 PCI1MAC_AD24
PCI1MAC_AD25
PCI1MAC_AD23
PCI1MAC_CBE3PCI1MAC_AD28
PCI1MAC_AD29
PCI1MAC_AD26
PCI1MAC_AD27
EXT_REQ
EXT_GNT
PCI1MAC_AD30
PCI1MAC_AD31
5V_IN
D-GND
D-GND
D-GND
D-GND
PCI1_EXT
n PCI1_RST
PCI1_INTA_PU
5V_IN
5V_IN
D-GNDD-GND3.3V
3.3V12V 5VO
n FAXCS_CTSFLVPP
n FAXCS_RTSD-GND
n FAXD_CTSD-GND
n FAXD_RTSnPLED
FAXCS_RXD_Nn FAX_WUP
FAXCS_RXD_Pn RES_MFP
FAXD_RXD_PD-GND
FAXD_RXD_Nn RES_FAX
FAXCS_TXD_Nn MSW_MON
FAXCS_TXD_Pn CNCT_FAX
FAXD_TXD_P3.3V
FAXD_TXD_ND-GND
3.3V D-GND 
						

							MX-2300/2700 N/G  ELECTRICAL SECTION  11 – 30
3. Signal list
Signal 
nameName Function/OperationConnector level Connector 
No.Pin 
No.PWB 
nameNote
“L” “H”
1TNFD Waste toner full detection switch 
[Mechanical switch]Detects the waste toner full.  
1TUD_CL Transfer belt separation CL 
detectionDetects the transfer belt separation 
CL.
1TUD_K Transfer belt separation BK 
detectionDetects the transfer belt separation 
BK.
1TURC Primary transfer separation clutch 
[Electromagnetic clutch]Controls the primary transfer 
separation mode. 
ADUM_L ADU motor lower [Stepping motor] Drives the right door section.  
APPD1 ADU transport path detection 1 
[Transmission type]Detects the duplex (ADU) upstream 
paper  pass.
APPD2 ADU transport path detection 2
[Transmission type]Detects the duplex (ADU) midstream 
paper pass.
CCFT LCD backlight 
[CCFT cool cathode ray tube]Backlight for the CCD
CLI Scanner lamp [Xenon lamp] Radiates lights onto a document for 
the CCD to scan document images.
CLUD1 Tray 1 upper limit detection (Lift 
HP detection) [Transmission type]Detects tray 1 upper limit .
CLUD2 Tray 2 upper limit detection (Lift 
HP detection) [Transmission type]Detects tray 2 upper limit.
CLUM1 Paper tray lift-up motor (Paper 
feed tray 1) [DC brush-less motor]Drives the lift plate of the paper feed 
tray. 
CLUM2 Paper tray lift-up motor (Paper 
feed tray 2) [DC brush-less motor]Drives the lift plate of the paper feed 
tray.
CPED1 Tray 1 paper empty detection  
[Transmission type]Detects tray 1 paper empty.
CPED2 Tray 2 paper empty detection 
[Transmission type]Detects tray 2 paper empty.
CPFC Tray vertical transport clutch 
[Electromagnetic clutch]Controls ON/OFF of the paper 
transport roller in the paper feed tray 
section. 
CPFD1 Tray 1 transport detection (Paper 
entry detection) 
[Transmission type]Detects tray 1 paper pass.
CPFD2 Tray 2 transport detection (Paper 
entry detection) 
[Transmission type]Detects tray 2 paper pass.
CPFM Paper feed motor [Brush-less 
motor]Drives the paper feed section.
CPUC1 Paper feed clutch (Paper feed tray 
1) [Electromagnetic clutch]Controls ON/OFF of the roller in the 
paper feed tray 1 section. 
CPUC2 Paper feed clutch (Paper feed tray 
2) [Electromagnetic clutch]Controls ON/OFF of the roller in the 
paper feed tray 2 section.
CPUFM Controller cooling fan motor Cools the controller PWB. 
CSPD1 Tray 1 paper remaining quantity 
detection Detects tray 1 paper remaining 
quantity.
CSPD2 Tray 2 paper remaining quantity 
detectionDetects tray 2 paper remaining 
quantity.
CSS1 Tray 1 installation detection Detects the tray 1.
CSS2 Tray 2 installation detection Detects the tray 2.
DHPD_CL CL phase detection Detects the CL phase.
DHPD_K BK phase detection  Detects the BK phase.
DHSW 
(Japan 
only)Dehumidifier heater switch 
[Seesaw switch]Turns ON/OFF the power lone of the 
dehumidifier heaters provided in the 
scanner (reading) section and the 
paper feed section. 
DL_C Discharge lamp C [LED] Discharges electric charges on the 
OPC drum.
DL_K Discharge lamp K [LED] Discharges electric charges on the 
OPC drum.
DL_M Discharge lamp M [LED] Discharges electric charges on the 
OPC drum.
DL_Y Discharge lamp Y [LED] Discharges electric charges on the 
OPC drum.
DL_K Discharge lamp K [LED] Discharges electric charges on the 
OPC drum.
DM_CL Drum motor (CL) [Stepping motor] Drives the color OPC drum unit. 
DM_K Drum motor (K) [Stepping motor] Drives the black OPC drum unit. 
DSW_ADU ADU transport open/close 
detection [Transmission type]Detects the duplex (ADU) cover open/
close. 
						

							MX-2300/2700 N/G  ELECTRICAL SECTION  11 – 31
DSW_C Tray 1 and 2 transport cover 
open/close detectionDetects the tray 1 and 2 transport 
cover open/close.
DSW-F Front door open/close switch 
[Micro switch]Detects open/close of the front door, 
and turns ON/OFF the power line of 
the fusing motor and the LSU laser.
DSW-R Right door open/close switch 
[Micro switch]Detects open/close of the right door, 
and turns ON/OFF the power line of 
the fusing motor and the LSU laser.
DVM_CL Developing drive motor (CL) 
[Brush-less motor]Drives the developing section (CL). 
DVM_K Developing drive motor (K) 
[Brush-less motor]Drives the developing section/transfer 
section (K).
F1 Fuse (20A 125V)AC power 
PWB
F1 Fuse (200mA 250V)LCD INV 
PWB
F1 Fuse (1.25A250V)CL invertor 
PWB
F2 Fuse (20A 125V)AC power 
PWB
F3 Fuse (T2AH250V)AC power 
PWB
F4 Fuse (T2AH250V)AC power 
PWB
F101 Fuse (125V 12A)DC power 
PWB
F102 Fuse (T1AH250V)DC power 
PWB
F103 Fuse (T8AH250V)DC power 
PWB
F201 Fuse (T6.3AH250V)DC power 
PWB
F202 Fuse (T6.3AH250V)DC power 
PWB
F203 Fuse (T6.3AH250V)DC power 
PWB
F204 Fuse (T6.3AH250V)DC power 
PWB
F205 Fuse (T6.3AH250V)DC power 
PWB
F301 Fuse (T5AH250V)DC power 
PWB
FUM Fusing drive motor 
[Stepping motor]Drives the fusing unit.
HDDFM HDD cooling fan motor Cools the HDD.
HL_LM Heater lamp lower main Heats the lower heat roller. (Main)
HL_UM Heater lamp upper main Heats the upper heat roller. (Main)
HL_US Heater lamp upper sub Heats the upper heat roller. (Sub)
HLTS1 Thermostat (Fusing unit) Prevents against overheating of the 
fusing roller.
HLTS2 Thermostat (Fusing unit) Prevents against overheating of the 
fusing roller.
HLTS3 Thermostat (Fusing unit) Prevents against overheating of the 
fusing roller.
HOPS Shifter home position detection  Detects the shifter home position.
LSUSS1 LSU shutter solenoid 
[Electromagnetic solenoid]Opens/closes the LSU shutter.
MHPS Scanner home position sensor 
[Transmission type]Detects the scanner home position. Home 
position
MIM Scanner motor [Stepping motor] Drives the scanner (reading) section.
MPED Manual feed paper empty 
detection [Transmission type]Detects the manual feed paper empty.
MPFD Manual feed paper entry detection 
[Transmission type]Detects the manual feed paper entry.
MPFS Paper pickup solenoid (Manual 
paper feed) [Electromagnetic 
solenoid]Paper pickup solenoid (Manual paper 
feed)
MPGS Manual paper feed gate solenoid 
[Electromagnetic solenoid]Controls open/close of the manual 
paper feed gate solenoid.
MPLD Manual feed paper length detector Detects the manual paper feed tray 
paper length. Manual 
paper 
feed unit Signal 
nameName Function/OperationConnector level Connector 
No.Pin 
No.PWB 
nameNote
“L” “H” 
						

							MX-2300/2700 N/G  ELECTRICAL SECTION  11 – 32
MPUC Manual paper feed clutch 
[Electromagnetic clutch]Controls ON/OFF of the manual paper 
feed roller in the manual paper feed 
section.
MPWD Manual paper feed tray paper 
width detector [Volume resistor]Detects the manual paper feed tray 
paper width. 
MSW Main SW [Seesaw switch] Turns ON/OFF the main DC power 
source.
MTOP1 Manual paper feed tray pull-out 
position detector 1 
[Transmission type]Detects the manual paper feed tray 
paper pull-out position (storing 
position).  Manual 
paper 
feed unit
MTOP2 Manual paper feed tray pull-out 
position detector 1 
[Transmission type]Detects the manual paper feed tray 
paper pull-out position (pull-out 
position).  Manual 
paper 
feed unit
OCSW Original cover SW [Transmission 
type]Document size detection trigger. Close Open
OSM Shifter motor [Stepping motor] Performs offset of paper. 
OZFM Ozone fan motor Exhausts ozone. 
PCS_CL/K Process control sensor 
[Reflection type]Detects the toner patch density.
PCSS Process control shutter solenoid 
[Electromagnetic solenoid]Opens/closes the shutter of the 
process control and the registration 
sensor.
PFM PS front motor [Stepping motor] Drives transport between the resist 
roller and the paper feed section, 
transport between the resist roller and 
the right door section.
PGM Polygon motor 
[DC brushless motor]Scans the laser beam.
POD1 Fusing after-detection 
[Transmission type]Detects the paper exit from fusing.
POD2 Paper exit detection 
[Transmission type]Detects the paper from paper exit.
POD3 Right tray paper exit detection Detects the paper exit to right tray.
POFM_F Paper exit cooling fan motor 
(F side)Cools the fusing unit. 
POFM_R Paper exit cooling fan motor 
(R side)Cools the fusing unit. 
POM Paper exit drive motor 
[Stepping motor]Drives the paper exit roller. 
PPD1 Registration pre-detection 
[Transmission type]Detects the paper in front of resist 
roller.
PPD2 Registration detection  Detects the paper in rear of resist 
roller.
PSFM Power cooling fan motor Cools the power unit. 
PWRSW Operation panel power switch 
[Push switch]Outputs the ON/OF control signal of 
the DC power source. 
REGS_F/R Resist sensor [Reflection type] Detects the resist shift.
RRM Registration motor 
[Stepping motor]Drives the resist roller and controls 
ON/OFF.
TCS_C Toner density sensor 
[Magnetic sensor]Detects the toner density (C).
TCS_K Toner density sensor 
[Magnetic sensor]Detects the toner density (K).
TCS_M Toner density sensor 
[Magnetic sensor]Detects the toner density (M).
TCS_Y Toner density sensor 
[Magnetic sensor]Detects the toner density (Y).
TFD2 Paper exit full detection 
[Transmission type]Detects the face down paper exit tray 
full
TFD3 Right tray paper exit full detection Detects the right tray paper exit full.
TH_M/
HUD_MTemperature/humidity detection  Detects the temperature/humidity.
TNM_C Toner motor C 
[Synchronous motor]Transports toner from the toner 
cartridge to the developing unit.
TNM_K Toner motor K 
[Synchronous motor]Transports toner from the toner 
cartridge to the developing unit. 
TNM_M Toner motor M 
[Synchronous motor]Transports toner from the toner 
cartridge to the developing unit.
TNM_Y Toner motor Y 
[Synchronous motor]Transports toner from the toner 
cartridge to the developing unit.
VR201 Volume +12V output adjustment DC power 
PWB
VR203 Volume +24V output adjustment DC power 
PWB Signal 
nameName Function/OperationConnector level Connector 
No.Pin 
No.PWB 
nameNote
“L” “H” 
						

							MX-2300/2700 N/G  ELECTRICAL SECTION  11 – 33
VR204 Volume +5VN output adjustment DC power 
PWB
VR205 Volume +3.3V output adjustment DC power 
PWB
VR402 Volume +5VO, +5VL output adjustment DC power 
PWB
WTNM Waste toner drive motor 
[Synchronous motor]Stirs waste toner.  Signal 
nameName Function/OperationConnector level Connector 
No.Pin 
No.PWB 
nameNote
“L” “H” 
						

							MX-2300/2700 N/G  OTHERS  12 – 1 MX2700N
Service Manual [12] OTHERS
1. System settings
A. System settings (General)
(1) When User Authentication is not Enabled
1) Press the [SYSTEM SETTINGS] key.
2) Configure the desired system settings.
• User authentication is initially disabled (factory default set-
ting).
(2) When User Authentication is Enabled
a. Login by login name and password
1) Touch the [Login Name] key.
2) Select the user.
3) Enter a password.
(1) Touch the [Password] key.
(2) Enter a password on the text entry screen that will appear.
4) Touch the [OK] key.
b. Login by user number
1) Enter your user number with the numeric keys.
2) Touch the [OK] key.
(3) System Settings (General) List
ItemFactory default setting 
Page
■ Total Count
● Job Count -
● Device Count -
■ Default Settings
● Display Contrast (Set to the centre value)
● Clock
X Date Format Varies depending on 
country and region
X Daylight Saving Time Setting
● Keyboard Select Varies depending on 
country and region
■ List Print (User)
● All Custom Setting List -
● Printer Test Page
X PCL Symbol Set List*1 -
X PCL Internal Font List*1 -
X PCL Extended Font List*1 -
X PS Font List*2 -
X PS Extended Font List*2 -
X NIC Page -
● Sending Address List*3
X Individual List -
X Group List  -
X Program List -
X Memory Box List -
X All Sending Address List -
● Document Filing Folder List -
■ Paper Tray Settings
● Tray Settings
X Tray 1 Plain, A4 (8-1/2 x 11)
X Tray 2 Plain, A3 (11 x 17)
X Tray 3 Varies depending on the 
machine configuration
X Tra y 4
X Tra y 5
X Bypass Tray Plain, Auto-AB (Auto-Inch)
● Paper Type Registration
X User Type 1 -
X User Type 2 -
X User Type 3 -
X User Type 4 -
X User Type 5 -
X User Type 6 -
X User Type 7 -
● Auto Tray Switching Enable
■ Address Control
● Direct Address / Program
X Individual
◆ E-mail*4
• Search Number -
• Name -
• Initial -
• Index -
• Address -
• Key Name -
• File Format -
◆ Internet Fax*5
• Search Number -
• Name -
• Initial -
• Index -
• Address -
• Key Name -
• Compression -
• Internet Fax Report -
X Group
◆ Search Number -
◆ Group Name -
◆ Initial -
◆ Index -
◆ Address -
◆ Key Name -
X Program
◆ Program Name -
◆ Settings
• Address -
• Resolution -
• Exposure -
• Special Modes -
X Amend/Delete -
● Custom Index
X User 1 -
X User 2 -
X User 3 -
X User 4 -
X User 5 -
X User 6 -
■ Fax Data Receive/Forward
● Internet Fax Manual Reception*5 -
X Reception Start -
X Manual Reception Key in Initial 
ScreenEnable
● Internet Fax Data Forward*5 -
■ Printer Condition Settings*1
● Printer Default Settings
X Copies 1
X Orientation Portrait
X Default Paper Size A4 (8-1/2 x 11)
X Default Output Tray*6 Varies depending on the 
machine configuration
X Default Paper Type Plain Paper
X Line Thickness 5
X 2-Sided Print 1-Sided
X Colour Mode B/W
X N-Up Print 1-Up
● PCL Settings*1
X PCL Symbol Set Setting 3. PC-8
X PCL Font Setting Internal Font, 0. Courier
X PCL Line Feed Code 0. CR=CR:LF=LF:FF=FF
X Wide A4 Disable
● Postscript Settings*2
X Print PS Errors DisableItemFactory default setting 
Page 
						

							MX-2300/2700 N/G  OTHERS  12 – 2 *1: In some countries and regions, the printer expansion kit must be
installed.
*2: When the PS3 expansion kit is installed.
*3: In some countries and regions, the facsimile expansion kit or
the Internet fax expansion kit or the network scanner expansion kit
must be installed.
*4: In some countries and regions, the network scanner expansion
kit must be installed.
*5: When the Internet fax expansion kit is installed.
*6: When a right tray is installed.
*7: When user authentication is enabled and a user without the
authority to configure the system settings (administrator) has
logged in. (Excluding factory stored users.)
*8: When the facsimile expansion kit is installed.
*9: When a saddle stitch finisher or finisher is installed.
B. System settings (Administrator)
(1) When User Authentication is not Enabled
1) Press the [SYSTEM SETTINGS] key.
2) Touch the [Admin Password] key.
3) Log in.
(1) Touch the [Password] key and enter the administrator pass-
word.
(2) Touch the[OK] key.
4) Configure the desired system settings.
(2) Login by login name and password (and e-mail 
address*)
1) Touch the [Login Name] key.
* If login name / password / e-mail address is selected for the
login method, [E-mail Address] will appear under the [Login
Name] key.
2) Touch the [Admin Login] key.
3) Touch the [Password] key and enter the administrator pass-
word.
4) Touch the [OK] key.
5) Press the [SYSTEM SETTINGS] key.
* This step is not necessary if you are logging in after you
pressed the [SYSTEM SETTINGS] key.
6) Configure the desired system settings.
(3) Login by user number
1) Touch the [Admin Login] key.
2) Touch the [Password] key and enter the administrator pass-
word.
3) Touch the [OK] key.
4) Press the [SYSTEM SETTINGS] key.
* This step is not necessary if you are logging in after you
pressed the [SYSTEM SETTINGS] key.
5) Configure the desired system settings.
Touch the items that you wish to configure and select the
desired settings.
(4) System Settings (Administrator) List
■ Document Filing Control
● Custom Folder Registration
X Folder Name -
X Initial -
X Password -
X User Name -
● Amend/Delete Custom Folder -
■ USB-Device Check -
■ User Control*7
● Amend User Information -ItemFactory default setting 
PageItem Factory default setting
■ User Control
● User Authentication Setting
X User Authentication Disable
X Authentication Method Setting Authenticate a User by 
Login Name and 
Password
X Device Account Mode Setting
◆ Device Account Mode Disable
◆ User Selection -
● User Registration
X St ore -
X Amend/Delete -
X Delete All Users -
● Pages Limit Group Registration -
● Actions when the Limit of Pages for 
Output JobsJob is Stopped when the 
Limit of Pages is Reached
● Authority Group Registration -
● Favourite Operation Group 
Registration-
● User Count Display -
● User Count Reset -
● User Information Print
X All User Information Print -
X User List -
X List of Number of Pages Used -
X Page Limit Group List -
X Authority Group List -
X Favourite Operation Group List -
● The Number of User Name Displayed 
Setting 8
● A Warning when Login Fails Disable
● Disable Printing by Invalid User Disable
● Default Network Authentication Server 
Setting-
■ Energy Save
● Toner Save in Printer Mode*1 Disable
● Toner Save in Copy Mode*2 Disable
● Auto Power Shut-Off Enable
● Auto Power Shut-Off Timer 60 min.
● Preheat Mode Setting 15 min.
■ Operation Settings
● Keys Touch Sound
X Keys Touch Sound Middle
X Keys Touch Sound at Initial Point Disable
● Auto Clear Setting 60 sec.
X Cancel Timer Disable
● Message Time Setting 6 sec.
● Display Language Setting English
● Disabling of Job Priority Operation Disable
● Disabling of Bypass Printing Disable
● Key Operation Setting 0.0 sec.
X Disable Auto Key Repeat Disable
● Disabling of Clock Adjustment Disable
● Disabling of Covers/Inserts Mode*3 Disable
Customize Key Setting
X Copy
◆ Customize 1 Special Modes
◆ Customize 2 File
◆ Customize 3 Quick File
X Scanner*4
◆ Customize 1 Special Modes
◆ Customize 2 File
◆ Customize 3 Quick File
X Internet Fax*5
◆ Customize 1 Special Modes
◆ Customize 2 File
◆ Customize 3 Quick File
X Fax*6
◆ Customize 1 Special Modes
◆ Customize 2 File 
						

							MX-2300/2700 N/G  OTHERS  12 – 3
◆ Customize 3 Quick File
X USB Memory Scan
◆ Customize 1 Special Modes
◆ Customize 2 Erase
◆ Customize 3 Suppress BG
X Data Entry
◆ Customize 1 Special Modes
◆ Customize 2 File
◆ Customize 3 Quick File
■ Device Control
● Original Size Detector Setting
X Original Detection Size 
CombinationVaries depending on 
country and region
X Cancel Detection at Document 
GlassDisable
● Disabling of Document Feeder*3 Disable
● Original Feeding Mode*3 All Disabled
● Disabling of Duplex Disable
● Disabling of Large Capacity Cassette*7 Disable
● Disabling of Optional Paper Drawer*8 Disable
● Disabling of Tray Setting Disable
● Disabling of Finisher*9 Disable
● Disabling of Offset Disable
● Disabling of Stapler*9 Disable
● Saddle Stitch Position Adjust*10 0.0 mm
● Disabling of Punch*11 Disable
● Disabling of Colour Mode*12 Disable
● Auto Paper Selection Setting Plain Paper
● Registration Adjustment
X Auto Adjustment -
● Optimization of the Hard Disk -
● Tandem Connection Setting
X IP Address of Slave Machine 0.0.0.0
X Port Number 50001
X Disabling of Master Machine Mode Disable
X Disabling of Slave Machine Mode Disable
● Clear All Job Log Data -
● Detect Standard in Auto Colour Mode 3
■ Copy Settings
● Initial Status Settings
X Colour Mode Full Colour
X Paper Tray Varies depending on the 
machine configuration
X Exposure Type Auto
X Copy Ratio 1
X 2-Sided Copy 1-Side to 1-Side
X Output -
● Exposure Adjustment
X Colour
◆ Document Glass 5
◆ Document Feeder 5
X B/W
◆ Document Glass 5
◆ Document Feeder 5
● Rotation Copy Setting Enable
● Add or Change Extra Preset Ratios
X Reduction -
X Enlargement -
● Setting a Maximum Number of Copies 999
● Initial Margin Shift Setting
X Side-1 10 mm (1/2)
X Side-2
● Erase Width Adjustment
X Edge 10 mm (1/2)
X Centre
● Card Shot Settings
X Original Size X: 86 mm (3-3/8) Y: 54 
mm (2-1/8)
X Fit to Page Disable
● Automatic Saddle Stitch*10 Enable
● Initial Tab Copy Setting 10 mm (1/2)Item Factory default setting● Disabling Deletion of Job Programs Disable
● Disabling of Bypass-Tray in Duplex 
CopyDisable
● Disabling of Auto Paper Selection Disable
● Auto Selection Setting of Tray that is 
Supplied the PaperDisable
● Initial Colour Balance Setting Factory Default State
● Auto Colour Calibration -
● B/W 600dpi x 600dpi Scanning Mode 
for Document Feeder*3Disable
● B/W Quick Scan from Document Glass Enable
■ Network Settings
● IP Address Setting DHCP
● Enable TCP/IP Enable
● Enable NetWare Enable
● Enable EtherTalk Enable
● Enable NetBEUI Enable
● Reset the NIC -
● Ping Command -
■ Printer Settings
● Default Settings
X Prohibit Notice Page Printing Enable
X Prohibit Test Page Printing Disable
X A4/Letter Size Auto Change Varies depending on 
country and region.
X Print Density Level
◆ Colour 3
◆ B/W 3
X Bypass Tray Settings
◆ Enable Detected Paper Size in 
Bypass TrayDisable
◆ Enable Selected Paper Type in 
Bypass TrayEnable
◆ Exclude Bypass-Tray from Auto 
Paper SelectDisable
X Job Spool Queuing Enable
● Interface Settings
X Hexadecimal Dump Mode*1 Disable
X I/O Timeout 20 sec.
X Enable USB Port Enable
X USB Port Emulation Switching*1 PCL (Auto*13)
X Enable Network Port Enable
X Network Port Emulation 
Switching*1PCL (Auto*13)
X Port Switching Method Switch at End of Job
● Colour Adjustments
X Auto Colour Calibration -
■ Image Send Settings*14
● Operation Settings
X Default Display Setting
◆ Mode Scanner*4 (Fax*6)
◆ Hold settings for a while after 
scanning has been completedDisable
◆ Switch Automatically to Copy 
Mode ScreenDisable
X Initial Resolution Setting
◆ Apply the Resolution Set when 
StoredDisable
◆ Scanner*4 200x200dpi
◆ Internet Fax*5 200x100dpi
◆ Fax*6 Standard
X Default Exposure Settings
◆ Exposure Auto
◆ Original Image Type Text
◆ Moiré Reduction Disable
X Must Input Next Address Key at 
Broadcast SettingDisable
X Scan Complete Sound Setting Middle
X The Number of File Name/Subject/
Body Keys Displayed Setting6
X The Number of Direct Address 
Keys Displayed Setting6 Item Factory default setting