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Sharp Mx 2300n Service Manual

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    							MX-2300/2700 N/G  OTHERS  12 – 4
X Disable Switching of Display Order Disable
X Hold Setting for Received Data Print
β—† Received Data Hold Disable
β—† Password Setting -
X Settings to Disable the Registration of Destination
β—† Disable Registering Destination from Operation Panel
β€’ Group Disable
β€’ E-mail Disable
β€’ Internet Fax Disable
β€’ Fax Disable
β—† Disable Registering Destination on Web Page*15
β€’ Group Disable
β€’ E-mail Disable
β€’ FTP Disable
β€’ Desktop Disable
β€’ Network Folder Disable
β€’ Internet Fax Disable
β€’ Fax Disable
β—† Disable Registration Using 
Network Scan Tools*15Disable
X Settings to Disable Transmission
β—† Disable [Resend] on Fax/Image 
Send ModeDisable
β—† Disable Selection from the Address Book
β€’ E-mail Disable
β€’ FTP Disable
β€’ Desktop Disable
β€’ Network Folder Disable
β€’ Internet Fax Disable
β€’ Fax Disable
β—† Disable Direct Entry
β€’ E-mail Disable
β€’ Internet Fax Disable
β€’ Fax Disable
β—† Disable PC-Internet Fax 
Transmission*5Disable
β—† Disable PC-Fax Transmission*6 Disable
● Scan Settings*4
X Default Sender Set -
X Default Colour Mode Settings
β—† Colour Mode Auto, Greyscale
β—† B/W Mode Mono 2
β—† Disable Change of B/W Setting 
in Auto ModeDisable
X Initial File Format Setting
β—† B/W
β€’ File Type PDF
β€’ Compression Mode MMR (G4)
β€’ Specified Pages per File Disable
β—† Colour/Grey
β€’ File Type PDF
β€’ Compression Ratio Medium
β€’ Specified Pages per File Disable
X Compression Mode at Broadcasting
β—† Black & White MMR (G4)
β—† Colour/Greyscale Medium
X Maximum Size of E-mail 
AttachmentsUnlimited
X Maximum Size of E-mail 
Attachments (FTP/Desktop/Network 
Folder)Disable
X Default Address Setting Disable
X Bcc Setting
β—† Enable Bcc Disable
β—† Display Bcc Address on the Job 
Status ScreenDisable
X Disable Scan Function
PC Scan Disable
USB Memory Scan Disable
X Pre-Setting Mail Signature Disable
● Internet Fax Settings*5
X Internet Fax Default SettingsItem Factory default settingβ—† Internet Fax Own Name and 
Address Set-
β—† Auto Wake Up Print Enable
β—† Internet Fax Speaker Volume 
Settings-
β€’ Receive Signal Middle
β€’ Communication Error Signal Middle
β—† Original Print on Transaction 
ReportPrint Out Error Report 
Only
β—† Transaction Report Print Select Setting
β€’ Single Sending Print Out Error Report 
Only
β€’ Broadcasting Print Out All Report
β€’ Receiving No Printed Report
β—† Pre-Setting Mail Signature Disable
X Internet Fax Send Settings
β—† Internet Fax Reception Report 
On/Off SettingDisable
β—† Internet Fax Reception Report 
Request Timeout Setting1 Hour
β—† Number of Resend Times at 
Reception Error2
β—† Maximum Size of E-mail 
AttachmentsUnlimited
β—† Rotation Sending Setting All Enable
β—† Printing Page Number at 
ReceiverEnable
X Internet Fax Receive Settings
β—† Auto Receive Reduce Setting Enable
β—† Duplex Reception Setting Disable
β—† Set Address for Data 
Forwarding-
β—† Letter Size RX Reduce Print Disable
β—† POP3 Communication Timeout 
Setting60 sec.
β—† Reception Check Interval 
Setting5 min.
β—† Anti Junk Mail/Domain Name 
SettingAll Invalid
β—† Internet Fax Output Setting*16 Varies depending on the 
machine configuration
β–  Document Filing Settings
● Default Mode Settings Sharing Mode
● Sort Method Setting Date
● Document Output Options
X Print
β—† Copy Enable
β—† Printer Enable
β—† Scan Send Disable
β—† Internet Fax Send (Incl. PC-
Internet Fax)Disable
β—† Fax Send (Incl. PC-Fax) Disable
β—† Scan to HDD Enable
X Scan Send*4
β—† Copy Disable
β—† Scan Send Enable
β—† Internet Fax Send (Incl. PC-
Internet Fax)Disable
β—† Fax Send (Incl. PC-Fax) Disable
β—† Scan to HDD Enable
X Internet Fax Send*5
β—† Copy Disable
β—† Scan Send Disable
β—† Internet Fax Send (Incl. PC-
Internet Fax)Enable
β—† Fax Send (Incl. PC-Fax) Disable
β—† Scan to HDD Disable
X Fax Send*6
β—† Copy Disable
β—† Scan Send Disable
β—† Internet Fax Send (Incl. PC-
Internet Fax)Disable
β—† Fax Send (Incl. PC-Fax) EnableItem Factory default setting
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    							MX-2300/2700 N/G  OTHERS  12 – 5
β—† Scan to HDD Disable
● Administrator Authority Setting
X Delete File Disable
X Delete Folder Disable
● Default Colour Mode Settings
X Colour Auto
X B/W Mono 2
● Default Exposure Settings
X Exposure Auto
X Original Image Type Text
X MoirΓ© Reduction Disable
● Initial Resolution Setting 600x600dpi
● Colour Data Compression Ratio 
SettingMedium
● Default Output Tray*16 Varies depending on the 
machine configuration
● Scan Complete Sound Setting Middle
● Delete All Quick Files
X Delete -
X Delete quick files at power up. 
(Protected file excluded)Enable
● Disable Stamp for Reprinting Disable
● Batch Print Settings
X Selection of [All Users] is not 
allowed.Enable
X Selection of [User Unknown] is not 
allowed.Enable
β–  List Print (Administrator)
● Administrator Settings List
X Copy -
X Print -
X Image Send*14 -
X Document Filing -
X Security -
X Common -
X All Administrator Settings List -
● Image Sending Activity Report*14
X Image Sending Activity Report 
(Scanner)-
X Image Sending Activity Report 
(Internet Fax)-
X Image Sending Activity Report 
(Fax)-
● Anti Junk Fax Number List*6 -
● Anti Junk Mail/Domain Name List*5 -
● Inbound Routing List*14 -
● Document Admin List*14 -
● Web Setting List*15 -
● Metadata Set List*17
β–  Security Settings
● SSL Settings
X HTTPS Disable
X IPP-SSL Disable
β–  Enable/Disable Settings
● User Control
X Disabling of Printing by Invalid User Disable
● Operation Settings
X Cancel Auto Clear Timer Disable
X Disabling of Job Priority Operation Disable
X Disabling of Bypass Printing Disable
X Disable Auto Key Repeat Disable
X Disabling of Clock Adjustment Disable
X Disabling of Covers/Inserts Mode Disable
● Device Control
X Disabling of Document Feeder*3 Disable
X Disabling of Duplex Disable
X Disabling of Large Capacity 
Cassette*7Disable
X Disabling of Optional Paper 
Drawer*8Disable
X Disabling of Tray Setting Disable
X Disabling of Finisher*9 DisableItem Factory default settingX Disabling of Offset Disable
X Disabling of Stapler*9 Disable
X Disabling of Punch*11 Disable
X Disabling of Colour Mode*12 Disable
X Disabling of Master Machine Mode Disable
X Disabling of Slave Machine Mode Disable
● Copy Settings
X Disable Copy in Different Size/
DirectionDisable
X Disabling Deletion of Job Programs Disable
X Disabling of Bypass-Tray in Duplex 
CopyDisable
X Disabling of Auto Paper Selection Disable
● Printer settings
X Prohibit Notice Page Printing Enable
X Prohibit Test Page Printing Disable
X Exclude Bypass-Tray from Auto 
Paper SelectDisable
● Image Send Settings
X Disable Switching of Display Order Disable
X Disable Scan Function
β—† PC Scan Disable
β—† USB Memory Scan Disable
X Settings to Disable the Registration of Destination
β—† Disable Registering Destination from Operation Panel
β€’ Group Disable
β€’ E-mail Disable
β€’ Internet Fax Disable
β€’ Fax Disable
β—† Disable Registering Destination on Web Page*15
β€’ Group Disable
β€’ E-mail Disable
β€’ FTP Disable
β€’ Desktop Disable
β€’ Network Folder Disable
β€’ Internet Fax Disable
β€’ Fax Disable
β—† Disable Registration Using 
Network Scan Tools*15Disable
X Settings to Disable Transmission
β—† Disable [Resend] on Fax/Image 
Send ModeDisable
β—† Disable selection from the 
Address Book
β€’ E-mail Disable
β€’ FTP Disable
β€’ Desktop Disable
β€’ Network Folder Disable
β€’ Internet Fax Disable
β€’ Fax Disable
β—† Disable Direct Entry
β€’ E-mail Disable
β€’ Internet Fax Disable
β€’ Fax Disable
β—† Disable PC-Internet Fax 
Transmission*5Disable
β—† Disable PC-Fax Transmission*6 Disable
● Document Filing Settings
X Disable Stamp for Reprinting Disable
X Batch Print Settings
β—† Selection of [All Users] is not 
allowed. Enable
β—† Selection of [User Unknown] is 
not allowed. Enable
β–  Change Administrator Password See TO THE 
ADMINISTRATOR OF 
THE MACHINE in the 
Safety Guide.
β–  Product Key*18
● Network Scanner Expansion Kit -
● Printer Expansion Kit -
● PS3 Expansion Kit -Item Factory default setting
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    							MX-2300/2700 N/G  OTHERS  12 – 6 *1: In some countries and regions, the printer expansion kit must be
installed.
*2: This function is not available in some countries and regions.
*3: When an automatic document feeder is 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 the facsimile expansion kit is installed.
*7: When a large capacity tray is installed.
*8: When a paper drawer is installed.
*9: When a saddle stitch finisher or finisher is installed.
*10: When a saddle stitch finisher is installed.
*11: When a punch module is installed.
*12: When a colour-related problem has occurred.
*13: When the PS3 expansion kit is installed.
*14: In some countries and regions, the facsimile expansion kit or
the Internet fax expansion kit or the network scanner expansion kit
must be installed.
*15: When network connection is enabled.
*16: When a right tray is installed.
*17: When the application integration module is installed.
*18: Depending on the peripheral devices installed, it may not be
possible to use some settings.
2. Paper JAM code
A. JAM cause code list
(1) PCU JAM cause
● Internet Fax Expansion Kit -
● E-mail Alert and Status -
● Application Integration Module -
● Serial Number -
β–  Storing/calling of System Settings
● Restore Factory Defaults -
● Store Current Configuration -
● Restore Configuration -
Code Code content
NO_JAM_CAUSE No JAM. Also used for JAM canceling.
NO_MATCH Parameter no matching
STOP_JAM Emergency stop request JAM (Controller request)
TRAY1 Cassette 1 paper feed JAM (CPFD1 not-reached 
JAM)
CPFD1_S1 CPFD1 remaining JAM (Cassette 1 feed paper)
CPFD1_N2 CPFD1 not-reached JAM (Cassette 2 feed paper)
CPFD1_N3 CPFD1 not-reached JAM (Desk 1 feed paper)
CPFD1_N4 CPFD1 not-reached JAM (Desk 2 feed paper)
CPFD1_S2 CPFD1 remaining JAM (Desk 2 feed paper)
CPFD1_S3 CPFD1 remaining JAM (Desk 1 feed paper)
CPFD1_S4 CPFD1 remaining JAM (Desk 2 feed paper)
TRAY2 Cassette 2 paper feed JAM (CPFD2 not-reached 
JAM)
CPFD2_N3 CPFD2 not-reached JAM (Desk 1 feed paper)
CPFD2_N4 CPFD2 Not-reached JAM (Desk 2 feed paper)
CPFD2_S2 CPFD2 remaining JAM (Cassette 2 feed paper)
CPFD2_S3 CPFD2 remaining JAM (Desk 1 feed paper)
CPFD2_S4 CPFD2 remaining JAM (Desk 2 feed paper)
PPD1_N1 PPD1 not-reached JAM (Cassette 1 feed paper)
PPD1_N2 PPD1 not-reached JAM (Cassette 2 feed paper)
PPD1_N3 PPD1 not-reached JAM (Desk 1 feed paper)
PPD1_N4 PPD1 not-reached JAM (Desk 2 feed paper)
PPD1_NM PPD1 not-reached JAM (Manual feed tray feed 
paper)
PPD1_NL PPD1 not-reached JAM (Side LCC feed paper)
PPD1_NA PPD1 not-reached JAM (ADU refeed paper)
PPD1_S1 PPD1 remaining JAM (Cassette 1 feed paper)
PPD1_S2 PPD1 remaining JAM (Cassette 2 feed paper)Item Factory default settingPPD1_S3 PPD1 remaining JAM (Desk 1 feed paper)
PPD1_S4 PPD1 remaining JAM (Desk 2 feed paper)
PPD1_SM PPD1 remaining JAM (Manual 2 feed paper)
PPD1_SL PPD1 remaining JAM (Side LCC feed paper)
PPD1_SA PPD1 remaining JAM (ADU refeed paper)
PPD2_N1 PPD2 not-reached JAM (Cassette 1 feed paper)
PPD2_N2 PPD2 not-reached JAM (Cassette 2 feed paper)
PPD2_N3 PPD2 not-reached JAM (Desk 1 feed paper)
PPD2_N4 PPD2 not-reached JAM (Desk 2 feed paper)
PPD2_NM PPD2 not-reached JAM (Manual feed tray feed 
paper)
PPD2_NL PPD2 not-reached JAM (Side LCC feed paper)
PPD2_NA PPD2 not-reached JAM (ADU refeed paper)
PPD2_S1 PPD2 remaining JAM (Cassette 1 feed paper)
PPD2_S2 PPD2 remaining JAM (Cassette 2 feed paper)
PPD2_S3 PPD2 remaining JAM (Desk 1 feed paper)
PPD2_S4 PPD2 remaining JAM (Desk 2 feed paper)
PPD2_SM PPD2 remaining JAM (Manual feed tray feed paper)
PPD2_SL PPD2 remaining JAM (Side LCC feed paper)
PPD2_SA PPD2 remaining JAM (ADU refeed paper)
PPD2_PRI PPD2 JAM (Image preparation wait timeout)
POD1_N  POD1 not-reached JAM
POD1_S POD1 remaining JAM
POD2_N  POD2 not-reached JAM
POD2_S POD2 remaining JAM
POD3_N  POD3 not-reached JAM
POD3_S POD3 remaining JAM
APPD1_N  APPD1 not-reached JAM 
APPD1_S  APPD1 remaining JAM
APPD2_N  APPD2 not-reached JAM
APPD2_S  APPD2 remaining JAM
TRAY3 Cassette 3 (Desk 1) paper feed JAM
DPFD1_N4 DPFD1 not-reached JAM (Desk 2 feed paper)
DPFD1_S3 DPFD1 remaining JAM (Desk 1 feed paper)
DPFD1_S4 DPFD1 remaining JAM (Desk 2 feed paper)
TRAY4 Cassette 4 (Desk 2) paper feed JAM
DPFD2_S4 DPFD2 remaining JAM (Desk 2 feed paper)
MFT Manual feed tray paper feed JAM (MPFD not-
reached)
MPFD_S MPFD remaining JAM (Manual feed tray feed paper)
LCC Side LCC paper feed JAM (LPFD1 not-reached)
LPFD_SL LPFD remaining JAM (Side LCC feed paper)
SIZE_ILG Size illegal JAM
MTR_ILG Motor driver trouble JAM 
FJPID_N Interface transport inlet port sensor not-reached JAM
FJPID_S Interface transport inlet port sensor remaining JAM
FJPOD_N Interface transport outlet sensor not-reached JAM
FJPOD_S Interface transport outlet sensor remaining JAM
FED_N Finisher inlet port sensor not-reached JAM
FED_S Finisher inlet port sensor remaining JAM
FFPD_N Finisher saddle not-reached JAM
FFPD_S Finisher saddle remaining JAM
FEXIT_S Finisher bundle exit remaining JAM
FSTPL Staple JAM
FPNCH Punch JAM
FDOP Finisher door open
FIN_TIME Finisher paper clearance abnormality JAMCode Code content
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    							MX-2300/2700 N/G  OTHERS  12 – 7
(2) SCU JAM cause
Code Code content
NO_JAM_CAUSE No JAM. Also used for JAM canceling.
NO_MATCH Parameter no matching
STOP_JAM Emergency stop request JAM (Controller request)
SPPD1_N SPPD1 not-reached JAM 
SPPD1_S SPPD1 remaining JAM 
SPPD2_N SPPD2 not-reached JAM
SPPD2_S SPPD2 remaining JAM
SPPD3_N SPPD3 not-reached JAM
SPPD3_S SPPD3 remaining JAM
SPPD4_N SPPD4 not-reached JAM
SPPD4_S SPPD4 remaining JAM
SPPD5_N SPPD5 not-reached JAM
SPPD5_S SPPD5 remaining JAM
SPOD_N SPOD not-reached JAM
SPOD_S SPOD remaining JAM
SPRDMD_S SPRDMD remaining JAM
SPSD_SCN Exposure start notification wait timeout
SPPD2_NR SPPD2 reverse not-reached JAM
SPPD2_SR SPPD2 reverse remaining JAM
ICU_REQ ICU factor stop JAM
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    							MX-2300/2700 N/G  EXTERNAL OUTFIT  A – 1 MX2700N
Service Manual [A] EXTERNAL OUTFIT
1. Disassembly and assembly
A. Cabinet
(1) Front cabinet
1) Remove the front cabinet band and the front cabinet hinge, and
remove the front cabinet.
(2) Rear cabinet
1) Remove the screws, and remove the rear cabinet.
(3) Left cabinet rear lower
(4) Left cabinet
1) Remove the paper feed tray 1 and 2. Parts
(1) Front cabinet
(2) Rear cabinet
(3) Left cabinet rear lower
(4) Left cabinet
(5) Upper cabinet right
(6) Upper cabinet left.
(7) Upper cabinet rear cover
(8) Upper cabinet rear
(9) Front cabinet upper
(10) Right cabinet front
(11) Right connection cabinet
(12) Right cabinet rear cover
(13) Right cabinet rear
(14) Paper exit cover
(15) Paper exit tray cabinet
(16) Left cabinet rear
(17) Operation panel base plate
(18) Frame cover
(1) (9) (17)(5)
(11)
(12)
(13)
(10) (18)
(7)
(8)
(2)
(16)(15)
(6)
(14)
(4)
(3)
1
2
1
2
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    							MX-2300/2700 N/G  EXTERNAL OUTFIT  A – 2 2) Remove the desk connection cover (A). Remove the screws,
then remove the left cabinet rear lower (B) and the left cabinet
(C).
(5) Upper cabinet right
(6) Upper cabinet left.
1) Remove the SPF glass (A). Remove the glass holder (B) and
the table glass (C).
2) Remove the screws, and remove the upper cabinet right (A)
and the upper cabinet left (B).
(7) Upper cabinet rear cover
1) Remove the upper cabinet rear cover lid (A). Remove the
screws, and remove the upper cabinet rear cover (B).
(8) Upper cabinet rear
1) Remove the upper cabinet rear cover.
2) Disconnect the connector. Remove the screws, and remove the
grounding wire. Remove the screws, and remove the upper
cabinet rear.
(9) Front cabinet upper
1) Open the front cabinet. Remove the screws, and remove the
front cabinet upper.
(10) Right cabinet front
(11) Right connection cabinet
(12) Right cabinet rear cover
(13) Right cabinet rear
1) Remove the front cabinet upper. (Refer to Front Cabinet
Upper.)
2) Open the right door and the right cabinet lower.
1
2
3
4A
C
B
1
23
A
BC
AB
1
2
A
B
1
2
3
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    							MX-2300/2700 N/G  EXTERNAL OUTFIT  A – 3 3) Remove the screws, and remove the right cabinet front (A).
Remove the screws, and remove the right connection cabinet
(B). Remove the ozone filter cover (C). Remove the screws,
and remove the right cabinet rear cover (D). Remove the desk
connection cover (E). Remove the screws, and remove the
right cabinet rear (F).
(14) Paper exit cover
(15) Paper exit tray cabinet
(16) Left cabinet rear
1) Remove the paper exit cover (A). Open the front cabinet and
remove the screws.
Remove the screws, and remove the paper exit tray cabinet
(B).
Remove the screws, and remove the left cabinet rear (C).
(17) Operation panel base plate
1) Remove the front cabinet upper. (Refer to Front Cabinet
Upper.)
2) Remove the screws, and remove the operation panel base
plate.
(18) Frame cover
1) Remove the waste toner box, and open the drum positioning
unit. (Refer to Process Drum Unit in Image Process Section.)
2) Remove the front cabinet. (Refer to Front Cabinet)
3) Remove the front cabinet upper. (Refer to Front Cabinet
Upper.)
4) Remove the screws, and remove the frame cover.
1
2
6
4
E
A
B
C
D
F
3
5
1
22
3
4 A
B C
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    							MX-2300/2700 N/G  OPERATION PANEL  B – 1 MX2700N
Service Manual [B] OPERATION PANEL
1. Electrical and mechanism relation diagram
CN136
B6P-PH-K-S
FG 24VEXT
5
/SIZE_LED11
D-GND2
OCSW3 5VEXT
OCSW D-GND
24VEXT 1
2
35VEXT
/SIZE_LED1
6
/SIZE_LED24
/SIZE_LED2
F-GNDCN135 CN1
CN2
B6B-PH-SM3-TB
CN3 CN1
S3B-PH-K-S
52030-2629 52610-2671CN125 CN1
CN3
52746-1570CN4
04FM-1.0SP-1.9-GW-TF
CN2CN1
S3B-PH-SM4-TBS3B-PH-K-S
LCD INVERTOR
PWB
52030-3029 52271-3090
CN2
S02(8.0)B-BHS
MFP OPE-P
PWB
LVDS-P PWB
D-GND 1 1 D-GNDY1CN 2 2 Y1CN X1CN 3 3 X1CN Y2CN 4 4 Y2CN X2CN 5 5 X2CNCN_CHK_IN(LCD)
66
CN_CHK_IN(LCD)
/CCFT1 7 7 /CCFT1 24V_EXT 9 9 24V_EXT
NC
24V_EXT 3 1
BACK LIGHT
PWRSW
P-GND 10 10 P-GND
NC 8 8 SC_TEMP 11 11 SC_TEMPAVCC 12 12 AVCC VCONT 13 13 VCONTVEEON 14 14 VEEON
24V_EXT 3.3V_EXT 15 15 3.3V_EXT
D-GND 2 2 D-GND/CCFT DISP 16 16 DISP
1 3 /CCFT D-GND 17 17 D-GND3
/XL(X2) 4
LCD_DAT0- 18 18 LCD_DAT0- LCD_DAT0+ 19 19 LCD_DAT0+D-GND 20 20 D-GND LCD_DAT1- 21 21 LCD_DAT1-22 22 LCD_DAT1+YH(Y2) /YL(Y1)
D-GND1
D-GND 23 23 D-GNDXH(X1) 2
LCD_DAT1+
VEE LCD_DAT2- 24 24 LCD_DAT2- LCD_DAT2+ 25 25 LCD_DAT2+D-GND 26 26 D-GND LCD_CLK- 27 27 LCD_CLK-
15 1 VEE LCD_CLK+ 28 28 LCD_CLK+
DISP 14 2 DISPCN_CHK_OUT
29 29
CN_CHK_OUT
D-GND 13 3 D-GNDD3 D-GND 30 30 D-GND
12 4 D3 D2 11 5 D210 6 D-GND D1 9 7 D1 D0 8 8 D0
D-GND 1 26 D-GND3.3V_EXT 7 9 3.3V_EXT
5VO 2 25 5VOM6 10M
D-GND 3 24 D-GNDD-GND 5 11 D-GND
WU_LED 4 23 WU_LEDCP 4 12 CP
POW_LED 5 22 POW_LEDD-GND 3 13 D-GND
n INFO_LED 6 21 n INFO_LEDLP 2 14 LP
n WU_KEY 7 20 n WU_KEYVO 1 15 VO
n PWRSW 8 19 n PWRSWD-GND 9 18 D-GND/BZR 10 17 /BZR/F3 11 16 /F3 /F2 12 15 /F2 /F1 13 14 /F1 /F0 14 13 /F0
D-GND 3 1 D-GND SEG2 15 12 SEG2
D-GND 2 2 D-GND SEG1 16 11 SEG1
n PWRSW 1 3 n PWRSW SEG0 17 10 SEG0 /KEYIN 18 9 /KEYIN PDSEL2 19 8 PDSEL2 PDSEL1 20 7 PDSEL1
D-GND 6 6 D-GND D-GND
PDSEL0 21 6 PDSEL0PD 22 5 PD
PD 5 5 PD 5VN 4 4PDSEL1
PDSEL2 3 3 PDSEL2
5VN 5VN 24 3 5VN
1 1 PDSEL0 3.3V 25 2 3.3V
PDSEL1 2 2 D-GND 26 1 D-GND
PDSEL0 D-GND 23 4
SCN-CNT PWB
LCD TOUCH PANEL
1 CCFT+
2 /CCFT
OCSW
1 3
2
4
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    							MX-2300/2700 N/G  OPERATION PANEL  B – 2
2. Operational descriptions
A. Outline
The operation panel unit is composed of the MFP OPE-P PWB, the
LCD INV PWB/LVDS PWB, the LCD unit, and the operation keys,
and is used to operate the machine and to set and display the
machine status.
The MFP OPE-P PWB is connected to the document detection light
receiving PWB for detecting the document size. It receives light
from the document detection light emitting PWB attached to the
rear frame, detecting the document size.
The power switch of the operation panel supplies the ON/OFF con-
trol signal of the DC power source.
3. Disassembly and assembly
A. Operation panel section
(1) Operation panel unit
1) Remove the paper exit cover and the upper cabinet left.
2) Remove the front cabinet upper and the operation panel base
plate.
3) Remove each cables and the grounding sheet.
4) Remove the operation panel unit.
a. LCD INV PWB
b. LVDS PWB
1) Remove the operation panel unit.
2) Remove the LCD INV PWB (A). Remove the LVDS PWB (B). Signal Name Function/Operation
OCSW Original cover SW Timing switch for document size detection
PWRSW Operaton panel power supply switch Outputs the DC power supply ON/OFF control signal.
No. Name Function/Operation
1 MFP OPE-P PWB Detects the key pressed on the operation panel.
2 LCD INV PWB/LVDS PWB Drives LCD and the backlight, and controls the touch-panel.
3 Document detection light receiving PWB Receives the light from the document detection light emitting PWB, and detects the 
document size.
4 Document detection light emitting PWB Emits light for document size detection.
Unit Parts
(1) Operation panel unit a LCD INV PWB
b LVDS PWB
c LCD module
d Touch panel
e POWER SW PWB
f MFP OPE-P PWB
(1)-e
(1)-f(1)-a (1)-d
(1)-c (1)-b
(1)
B
A
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    							MX-2300/2700 N/G  OPERATION PANEL  B – 3 c. LCD module
1) Remove the operation panel unit.
2) Remove the LCD holder.
3) Remove the LCD module.
d. Touch panel
1) Remove the operation panel unit.
2) Remove the LCD unit. Remove the flat cable.3) Remove the touch panel.
e. POWER SW PWB
1) Remove the operation panel unit.
2) Remove the POWER SW PWB.
f. MFP OPE-P PWB
1) Remove the operation panel unit.
2) Remove the POWER SW PWB.
3) Remove the grounding sheet, and remove the MFP OPE-P
PWB.
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