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Canon MF724Cdw, Service Manual

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Canon MF724Cdw Service Manual Download Page 131

 Removing the Rear Upper

Cover

■ Preparation

1. Remove the Right Cover.(Refer to 

“Removing the

Right Cover” on page 120

)

2. Remove the Left Cover.(Refer to 

“Removing the Left

Cover” on page 118

)

■ Procedure

1. Close the ADF Unit/Cop Reader Unit.

2. Open the Rear Cover.

3. Remove the 2 screws [1].

[1]

2x

4. Push the 2 claws [1] to remove the Rear Upper Cover

[2].

• 1 Hook [3]

[1]

[1]

[2]

[3]

2x

 Removing the Rear Cover

■ Procedure

1. Open the Rear Cover [1].

2. Close the Duplex Feed Unit [2].

[1]

[2]

3. Remove the Rear Cover [1].

• 2 screws [2]
• 4 hooks [3]

[1]

[3]

[3]

[2]

2x

 Removing the Rear Lower

Cover

■ Preparation

1. Remove the Right Cover.(Refer to 

“Removing the

Right Cover” on page 120

)

2. Remove the Left Cover.(Refer to 

“Removing the Left

Cover” on page 118

)

3. Remove the Rear Upper Cover.(Refer to 

“Removing

the Rear Upper Cover” on page 123

)

4. Remove the Rear Cover.(Refer to 

“Removing the

Rear Cover” on page 123

)

4. Disassembly/Assembly

123

Summary of Contents for MF724Cdw

Page 1: ...Revision 2 0 MF720 Series Service Manual ...

Page 2: ...a long or short period Canon will issue a new edition of this manual The following paragraph does not apply to any countries where such provisions are inconsistent with local law Trademarks The product names and company names used in this manual are the registered trademarks of the individual companies Copyright This manual is copyrighted with all rights reserved Under the copyright laws this manu...

Page 3: ... door and closing the delivery unit door which results in supplying the machine with power 2 In the digital circuits 1 is used to indicate that the voltage level of a given signal is High while 0 is used to indicate Low The voltage value however differs from circuit to circuit In addition the asterisk as in DRMD indicates that the DRMD signal goes on when 0 In practically all cases the internal me...

Page 4: ...ADF Specifications 10 Wireless LAN Specifications 10 SEND Specifications 11 FAX Specifications 12 Paper types Paper size 13 Name of Parts 14 External View 14 Cross Section View 16 Control Panel 18 2 Technical Explanation 19 Basic Configuration 20 Configuration function 20 Basic Sequence 20 Document Exposure Feeder System 22 Document Exposure System 22 Document Feeder System 23 Controller System 26...

Page 5: ...ice 93 Periodically Replaced Parts 94 Durable Parts 95 Periodical Services 96 Cleaning 97 4 Disassembly Assembly 98 List of Parts 99 List of External Internal Cover 99 List of Main Unit 101 List of Motor Fan 103 List of Clutch Solenoid Heater Thermistor Switch Speaker 104 List of Sensor 105 PCB 106 List of Connector 108 External Cover Internal Cover 116 Location 116 External Cover Internal Cover D...

Page 6: ...pport Plate 161 Removing the DC Controller PCB 162 Removing the High Voltage Power Supply PCB 163 Removing the Low Voltage Unit 165 Removing the Fixing Sub PCB 166 Removing the Driver PCB 167 Removing the Relay PCB 168 Removing the Control Panel Unit 169 Removing the NFC PCB MF727Cdw 726Cdw 171 Removing the FAX PCB MF728Cdw 727Cdw 725Cdw 171 Removing the Off Hook PCB MF728Cdw 727Cdw 725Cdn 172 Rem...

Page 7: ...P Tray Pickup Unit 218 Removing the Secondary Transfer Feed Unit 219 Removing the Delivery Unit 220 Removing the Duplex Feed Unit 221 Removing the Re pickup Guide Unit 222 5 Adjustment 224 Overview 225 Adjustment at Parts Replacement 226 Document Exposure Feed System 226 Controller System 234 Laser Exposure System 239 6 Troubleshooting 240 Test Print 241 Engine test print 241 Controller test print...

Page 8: ... mode 262 COPIER 264 DISPLAY 264 I O 265 ADJUST 266 FUNCTION 277 OPTION 290 COUTER 295 FEEDER 300 ADJUST 300 FUNCTION 301 FAX 302 Lis of SSSW 302 List of MENU 303 List of NUM 303 Setting of NCU Parameters 304 TESTMODE 308 PRINT 308 FAX 309 APPENDICES 314 Service Tools 315 Special Tools 315 Solvents and Oils 315 General Circuit Diagram 316 Print Sequence 317 Backup Data 318 Contents v ...

Page 9: ...Safety Precautions Laser Safety 2 How to Handle the Laser Scanner Unit 2 Toner Safety 2 Notes When Handling a Lithium Battery 3 Notes on Assembly Disassembly 3 ...

Page 10: ... in the field The label show in the following figure is attached on the laser scanner unit The following warnings are given to comply with Safety Principles EN60950 1 Diese Maschine ist der Klasse 1 der Laserprodukte zugeordnet Innerhalb der Scannereinheit befindet sich jedoch die Laserstrahlquelle der Klasse 3B und es ist gefährlich wenn dieser Strahl in die Augen gerät Die Laserscannereinheit da...

Page 11: ...gen Notes on Assembly Disassembly Follow the items below to assemble disassemble the device 1 Disconnect the power plug to avoid any potential dangers during assembling disassembling works 2 If not specially instructed reverse the order of disassembly to reinstall 3 Ensure to use the right screw type length diameter etc at the right position when assembling 4 To keep electric conduction binding sc...

Page 12: ...Product Overview 1 Product Lineups 5 Product Features 7 Specifications 8 Name of Parts 14 ...

Page 13: ...s Yes Yes Yes Yes Fax Yes Yes Yes Yes No No USB Scan Yes Yes Yes Yes Yes Yes Network Scan Yes Yes Yes Yes Yes Yes Wireless LAN Yes Yes Yes No Yes Yes Direct Mode Yes Yes Yes No Yes Yes NFC No Yes Yes No No No SEND Yes Yes Yes Yes Yes Yes Sequre Print Yes Yes Yes Yes Yes Yes Remote UI Yes Yes Yes Yes Yes Yes ADF 2 side Yes Yes Yes Yes Yes Yes Automatic 2 sided Print Yes Yes Yes Yes Yes Yes 1 Produc...

Page 14: ...arks 1 Cassette Feeding Module V1 Expansion of the number of sheets picked up 250 sheets 60 to 90 g m2 2 TELEPHONE 6 KIT Long cord Cool White Addition of phone MF728Cdw HANDSET KIT 3 Long cord Cool White Standard MF727Cdw CHN MF725Cdn 1 Product Overview 6 ...

Page 15: ...for easy customization while maintaining the level of operability Direct Mode supported supported models only Direct communication between the host machine and smartphone tablet PC etc has been realized Mobile print supported Apple Air Print Google Cloud Print Mobile print that enables printing from smartphone tablet PC etc via an application such as Google DocsTM and GmailTM has been realized Wir...

Page 16: ... delivery method Face down Toner level sensor Mounted Toner type Non magnetic one component toner Toner supply method All in one cartridge drum toner Toner save mode N A Document types Sheet book Maximum document size Copyboard Glass 216 mm 297 mm Feeder 216 mm 356 mm Document size sensor N A Image size magnification AB series 25 0 50 0 70 7 81 6 86 5 100 0 115 4 122 4 141 4 200 0 400 0 INCH serie...

Page 17: ...ated paper Label Postcard Envelope Refer to Paper types Paper size on page 13 Available paper type for MP Tray Plain paper Recycled paper Color paper Thick paper Coated paper Transparency Label Postcard Envelope Refer to Paper types Paper size on page 13 Available paper size in cas sette A4 B5 A5 LGL LTR STMT EXEC OFFICIO B OFFICIO M OFFICIO GLTR GLGL FLS AFLS indLGL K16 Postcard Reply Postcard En...

Page 18: ...m up time is an interval between when the machine is turned ON and when the main screen appears on the display Warm up time may vary depending on the use conditions and environment of the machine 2 The actual stack capacity varies depending on the site environment and the type of paper used ADF Specifications Item Specification Function Document setting direction Set the document face up face up m...

Page 19: ...n E mail Sending IFAX Reception Transmission Communi cation Pro tocol SMB TCP IP FTP SMTP Data For mat PDF PDF Compact PDF Compact OCR PDF OCR JPEG TIFF PDF PDF Compact PDF Compact OCR PDF OCR JPEG TIFF TIFF BW JPEG TIFF Profile S Profile F System Environ ment Windows XP Vista 7 8 Server 2003 Server 2008 Server 2012 Solaris Version 2 6 or later Mac OS X Mac OS X 10 7 and 10 8 are not suppor ted Re...

Page 20: ...m 33 6 k bps 9 dBm Modem IC SiliconLabs Si2435 Scanning line density Normal 200 x 100 dpi Fine 200 x 200 dpi Photo 200 x 200 dpi Super fine 200 x 400 dpi Ultra fine 400 x 400 dpi Half tone 256 tones Receivable reduction setting Automatic reduction 75 100 1 increment FAX TEL switching Available Answering machine transfer setting Available Remote reception Available Auto dialing Available Delayed tr...

Page 21: ...r 3 155 to 165 g m2 A4 210 0 297 0 Yes Yes LTR 215 9 279 4 Yes Yes Coated paper 4 210 to 220 g m2 A4 210 0 297 0 Yes No LTR 215 9 279 4 Yes No Transparency 1 A4 210 0 297 0 Yes No LTR 215 9 279 4 Yes No Label A4 210 0 297 0 Yes Yes LTR 215 9 279 4 Yes Yes Custom Paper Size Yes 3 Yes 4 Postcard Postcard 100 148 Yes Yes Reply Postcard 148 200 Yes Yes Envelopes Envelopes COM10 104 7 241 3 Yes Yes Env...

Page 22: ... No Name 1 Feeder 8 Grip 2 Control panel 9 Paper scanner for document from feeder 3 Front cover 10 Delivery tray 4 Paper cassette 11 Manual feed guide 5 Main power switch 12 Copyboard glass 6 Vent hole 13 USB memory port 7 Speaker 14 Multi purpose tray MP tray 1 Product Overview 14 ...

Page 23: ... Rear cover 3 USB port 8 Rating plate 4 Telephone line terminal 9 Vent hole 5 External telephone terminal 10 Power socket Inside 4 3 2 1 5 No Name 1 Y toner cartridge slot 2 M toner cartridge slot 3 C toner cartridge slot 4 Bk toner cartridge slot 5 Toner cartridge tray 1 Product Overview 15 ...

Page 24: ...ler 11 Primary transfer pad 3 Fixing film unit 12 ITB unit 4 Delivery roller 13 Cassette pickup roller 5 Toner cartridge 14 Cassette separation roller 6 Laser scanner unit 15 Registration roller 7 Photosensitive drum 16 Secondary transfer external roller 8 MP tray separation pad 17 Duplex feed roller 9 MP tray pickup roller 1 Product Overview 16 ...

Page 25: ...DF Unit 1 2 3 4 5 6 7 8 No Name No Name 1 ADF registration roller 5 Reader unit 2 ADF separation roller 6 ADF delivery roller 3 ADF pickup roller 7 ADF separation pad 4 ADF unit 8 CIS unit 1 Product Overview 17 ...

Page 26: ...r 12 ID key Press after entering the ID and PIN to log on when Department ID Management is enabled After you finish using the machine press this key again to log off 13 Start B W key Press to scan or copy documents in black and white In addition if you press this key when you start printing images from a USB memory device printouts are printed in black and white 14 Reset key Press to cancel the se...

Page 27: ...c Configuration 20 Document Exposure Feeder System 22 Controller System 26 Laser Control System 29 Image Formation System 30 Fixing System 41 Pickup Feed System 44 Embedded RDS 48 Setting Information Export Import Function DCM 58 ...

Page 28: ...pplied to the pressure roller of the fixing assembly check cartridges and units being in place move the developing unit to the home position and clean the ITB When needed color displacement is corrected and the image is stabilized STBY STBY Interval from the wait time or the last rotation to issuance of a print command from the main control ler or power OFF Maintain the print ready status The prin...

Page 29: ... to 110 g m2 4 Postcards 5 9 7 ppm 6 1 3 speed mode 1 3 speed Thick paper 3 129 to 163 g m2 2 Coated paper 2 120 to 130 g m2 Coated paper 3 155 to 165 g m2 Coated paper 4 210 to 220 g m2 Transparency Labels Postcards 5 Envelopes 7 6 ppm 6 1 For Thick Paper 1 86 to 119 g m2 switched to normal mode when environment temperature is 20 deg C and above and switched to 1 2 speed mode when the temperature...

Page 30: ...on The speed at which the carriage moves and image processing by the Main Controller PCB Lens CIS Color CIS Number of lines 1 line Number of pixels 5184 pixels as total pixels 5107 pixels as effective pixels Maximum document scanning width 216mm CIS Drive Control Drive Control by Reader Motor M720 Document Size Detection None Dirt Sensor Detection None Major Components Followings are the major com...

Page 31: ...ence Position for Printing Only when the original is read from ADF without reduction layout setting 1 on 1 it is printed in center alignment In other cases upper left alignment is applied for printing ADF center alignment Copyboard upper left alignment 1 in 1 2 in 1 4 in 1 Document Feeder System Overview Pickup Feed Delivery Operation The Auto Document Feeder ADF mounted onto this host machine is ...

Page 32: ...inal is detected by this mechanism The original length that can be scanned with this equipment is less than 400 mm Passing of the original longer than this results in jam stop The original length is calculated by the time it takes from detection of the leading edge of the original to detection of the trailing edge of the original NOTE There is no function to detect the original size original width...

Page 33: ...How to release Jam Remove the jammed paper and open close the ADF upper cover 2 Technical Explanation 25 ...

Page 34: ...PCBs I O etc and maintain setting values Controls Motor Controls This product uses 3 motors for paper feed and image formation The tables below show motor specifications used in this product Name Symbol Driven parts Type Failure detection Drum Motor M1 Photosensitive drum developing cylinder ITB DC Motor Available Registration Motor M3 Registration Roller Stepping Motor Not Available Developing Mo...

Page 35: ...nter engine Noise Filter Fuse FU1101 Fuse FU1102 Fuse FU1201 Fixing Power Supply Rectifying Circuit Main Controller PCB 3 3V 24S_ON 24V Low voltage Power Supply all night Power Switch SW1 DCON_ON 24V DCON 24V REM 3 3V DCON AC input Protection Circuit Frequency Detecting Circuit 㼆㻱㻾㻻㼄 Noise Filter Fixing Control Circuit Controller PCB 24V Generation Circuit 3 3V Generation Circuit DC Protective con...

Page 36: ...e has passed The auto sleep time has passed The auto sleep time has passed A job is generated completed A job is generated completed The automatic shutdown time has passed The energy saver key is pressed The energy saver key is pressed The energy saver key is pressed Hook detection Hook detection Automatically shifted depending on the conditions Service call Power off Power on Standby Control Pane...

Page 37: ...㼓㻌㻹㼕㼞㼞㼛㼞 㻿㼏㼍㼚㼚㼕㼚㼓㻌㻹㼛㼠㼛㼞 㻿㻯㻭㻺㻺㻱㻾㻌㻹㻻㼀㻻㻾 㻿㻼㻱㻱㻰㻌㻯㻻㻺㼀㻾㻻㻸㻌㼟㼕㼓㼚㼍㼘 㼂㻵㻰㻱㻻㻌㼟㼕㼓㼚㼍㼘 㻸㻭㻿㻱㻾㻌㻯㻻㻺㼀㻾㻻㻸㻌㼟㼕㼓㼚㼍㼘 㻮㻰㻌㼟㼕㼓㼚㼍㼘 㻼㼔㼛㼠㼛㼟㼑㼚㼟㼕㼠㼕㼢㼑㻌㻰㼞㼡㼙 㻔㻷㻕 㻼㼔㼛㼠㼛㼟㼑㼚㼟㼕㼠㼕㼢㼑㻌㻰㼞㼡㼙 㻔㻯㻕 㻼㼔㼛㼠㼛㼟㼑㼚㼟㼕㼠㼕㼢㼑㻌㻰㼞㼡㼙 㻔㻹㻕 㻼㼔㼛㼠㼛㼟㼑㼚㼟㼕㼠㼕㼢㼑㻌㻰㼞㼡㼙 㻔㼅㻕 㻰㻯㻌㻯㼛㼚㼠㼞㼛㼘㼘㼑㼞 㻹㼍㼕㼚㻌㻯㼛㼚㼠㼞㼛㼘㼘㼑㼞 Controls Failure detection 1 Scanner Motor failures The rotation does not reach the pre defined value after a certain time elapsed from the Scanner Motor actuated The rota...

Page 38: ...ernal roller The figure below shows the image formation system schematically DC controller High voltage power supply Secondary transfer external roller ITB Cartridge Laser beam ITB cleaning unit Fixing unit Photosensitive drum Primary transfer pad Laser scanner Parts Y M C Bk ITB Cleaning Brush ITB Cleaning Roller Toner Cartridge Developing Cylinder Photosensitive Drum Color Displacement Density S...

Page 39: ...Laser beam exposure 9 Drum cleaning 1 Primary charging 4 Primary transfer Transfer block 5 Secondary transfer ITB cleaning block 8 ITB cleaning Registration Pickup Fixing block Delivery 7 Fixing 6 Separation Development block 3 Development Block 1 Static latent image forming block This block consists of 2 steps to form a static latent image on the photosensitive drum Step 1 Primary charging Before...

Page 40: ...ively charged toner contacts the photosensitive drum it is deposited on the static latent image due to potential difference between the drum and the developing cylinder Developing blade Developing cylinder DC negative bias Photosensitive drum Unexposed area Exposed area Exposed area Unexposed area Block 3 Transfer The toner image on the photosensitive drum is transferred to paper through 3 steps i...

Page 41: ...minator Step 6 Separation Separate the paper from the ITB using paper elasticity and curvature of the ITB drive motor To stabilize the paper delivery and image quality use the static eliminator to decay the potential on the back of the paper after image transfer ITB ITB drive roller Secondary transfer external roller Media Block 4 Fixing The toner image is fixed on the paper in this block Step 7 F...

Page 42: ...ed from the ITB to the photosensitive drum by the primary transfer pad ITB cleaning brush Sweeper strip ITB cleaning roller ITB DC bias DC bias Partition sheet Positive potential waste toner Negative potential waste toner Cartridge Photosensitive drum Block 6 Drum Cleaning The residual toner on the photosensitive drum is cleaned in this block Step 9 Drum cleaning The cleaning blade scrapes off the...

Page 43: ...tively Primary charging roller car tridge Developing bias DC negative Deposit toner on the static latent image formed on the photosensitive drum Developing cylinder cartridge Blade bias DC negative Adjust the charged toner amount on the developing cylin der Developing blade cartridge Primary transfer bias DC negative Transfer the toner image on the photosensitive drum to the ITB Developing blade c...

Page 44: ... drum or toner etc The controls listed in the table below are executed when needed to stabilize image quality Control Description D max control Correct values of the primary charging bias and or developing bias based on signals from the environ ment sensor D half control Correct the gradation data in the main controller PCB based on signals from the color displacement density sensor Color displace...

Page 45: ...195sec onds Yes Yes Yes Executed after job completionDe tected by the environment sensor 4 After the pre defined counts printed Approx 195sec onds Yes Yes Yes Executed after job completion 5 After the pre defined time elapsed Approx 195sec onds Yes Yes Yes Executed after job completion 6 Resumed from sleep after 8 hours or more Approx 100sec onds Yes Yes Executed after job completion upon resumed ...

Page 46: ...ain controller PCB corrects gradation based on the density data to reproduce the ideal half tone images Color displacement control This control is to correct color displacement due to variability of the laser units or toner cartridges The following displacements are corrected through this control Horizontal scanning start position Horizontal scanning magnification Vertical scanning start position ...

Page 47: ... from being deteriorated to maximize the service life The DC controller actuates the motor MF8500 Developing motor MF8200 Main motor to switch the direction of the engagement disengagement cam to contact separate the developing cylinder to from the photosensitive drum The DC controller controls the developing cylinder engagement disengagement by regulating the main motor rotation upon detecting si...

Page 48: ...maintains the wider nip to the photosensitive drum to increase transferability The figures below show the difference between the pad transfer method and the conventional roller transfer method schematically ITB Transfer roller Photosensitive drum Transfer pad Narrow nip width Wider nip width Pad transfer method Roller transfer method 2 Technical Explanation 40 ...

Page 49: ... supply to the fixing heater The thermistor detects the fixing heater temperature to input the temperature detection signal to the DC controller Note that temperatures at heater ends are not detected in models of MF8200 series with slower print speed The temperatures in the whole fixing assembly are controlled by the fixing control circuit and the fixing heater safety circuit based on commands fro...

Page 50: ... interval extension time seconds 1 2 3 ON 0 Not extended OFF L 270 mm 10 8 6 L 270mm 8 4 2 Fixing temperature control The fixing control circuit controls temperatures of the fixing heater to attain the respective target temperatures The figure below shows this circuit schematically MAINTH RLD FSRD RL901 TH FU1 Fixing heater safety circuit DC controller FU1䠖Temperature fuse TH䠖Thermistor Fixing ass...

Page 51: ...e heater 226 deg C or higher detected at the temperature fuse Failure detection The DC controller determines failures of the fixing assembly under conditions below to stop the fixing heater drive signal output FSRD FSRD and shut off relay and power supply to the heater At the same time it notifies the failure occurrence to the main controller 1 Start up failure detection The thermistor temperature...

Page 52: ...e Pickup MP Tray Pickup Duplexing Feeding Pickup slot Cassette MP tray Delivery slot Face down tray Automatic 2 sided Available Parts Configuration Duplexing Flapper MP Tray Feed Roler Cassette Pickup Roller Cassette Separation Roller Registration Roller Secondary Transfer External Roller Pressure Roller Delivery Roller MP Tray Separation Pad MP Tray Pickup Roller Duplex Feed Roller Duplex Feed Ro...

Page 53: ...per feed Roller separation method This product employs the separation roller method to avoid multi feeding This method prevents multiple sheets from being fed by the driven separation roller The separation roller is driven by the pickup roller When normally operated The separation roller is driven by the pickup roller to feed paper By this the separation roller rotates in the paper feed direction ...

Page 54: ...seizure jam 7 Internal paper remaining jam 8 Duplex re pickup jam 9 Open door jam Delay jams Pickup delay jam 1 This occurs when the leading edge of the paper is not detected by the registration sensor from the start of image formation to re pickup SR4 Pickup delay jam 2 This occurs when the leading edge of the paper is not detected by the MP tray pre registration sensor SR7 within the pre defined...

Page 55: ... of the paper but the sensor went off before starting the fixing delivery stationary detection SR8 Internal paper remaining jam When the sensor below detects Paper Sensor before and after Power on Door close Print operation Paper feeder pre registration sensor SR1 Registration sensor SR4 MP tray pre registration sensor SR7 Fixing delivery sensor SR8 Fixing arch sensor SR10 Pre registration sensor ...

Page 56: ...㼍㼓㼑㼃㻭㻾㻱㻌㻾㼑㼙㼛㼠㼑㻌㼟㼥㼟㼠㼑㼙㻌㼏㼛㼚㼒㼕㼓㼡㼞㼍㼠㼕㼛㼚 㼁㻳㼃 㻵㼚㼠㼑㼞㼚㼑㼠 㻲㼕㼞㼑㼣㼍㼘㼘 㻰㻺㻿㻌㻿㼑㼞㼢㼑㼞 㼀㼔㼕㼟㻌㼙㼍㼏㼔㼕㼚㼑 㻼㼞㼛㼤㼥㻌㻿㼑㼞㼢㼑㼞 㻭㼐㼙㼕㼚㼕㼟㼠㼞㼍㼠㼛㼞 㻯㼡㼟㼠㼛㼙㼑㼞㻌 㻱㼚㼢㼕㼞㼛㼚㼙㼑㼚㼠 㻿㼍㼘㼑㼟㻌㻯㼛㼙㼜㼍㼚㼥 Features and benefits E RDS embedded with a network module in advance can realize a front end processing of e Maintenance imageWARE Remote system without attaching any extra hardware equipment Service cautions 1 After clearing the Main Controller PCB init...

Page 57: ...oxy server address Port No for proxy server Information item 4 Is proxy server authentication required If proxy server authentication is required find out the following User name and password required for proxy authentication Network settings Based on the results of the information obtained in Advance preparations make this machine network related settings See Users Guide for detailed procedures C...

Page 58: ...nication results with UGW can be distinguished by referring to the COM LOG By performing the communication test with UGW E RDS acquires schedule information and starts monitoring and meter reads operation Initializing E RDS settings It is possible to clear the FLASH data of E RDS and change the E RDS setting back to the default value Initialization procedure 1 Start SERVICE MODE 2 Select COPIER FU...

Page 59: ... DNS server has been halted Network cable is blocked off Proxy server settings is not correct Q When does E RDS send counter information to UGW How many data is sent Ans The schedule of data transmitting the start time are determined by settings in the UGW side The send time cannot be specified on the E RDS side Data is sent once every 16 hours The data size of counter information is approx 285 KB...

Page 60: ... in E RDS the system wakes up asleep then starts to send the data to the UGW The system also waits for completion of data transmission and let the device to shift to asleep status again However transition time to the Real Deep Sleep depends on the device and the transition to sleep won t be done if the next data transmission will be done within 10 minutes Q Is E RDS compatible with Department coun...

Page 61: ...Step 4 NO Confirm the details of this machine s IP address and subnet mask settings 4 Confirm DNS connection a Select Settings Registration Preferences Network TCP IP Settings DNS Settings DNS Server Address Settings write down the primary and secondary addresses of the DNS server and touch the Cancel button b Touch the Up button c Select IPv4 Settings PING Command enter the primary DNS server not...

Page 62: ...nown error is displayed though a communication test COM TEST has done successfully Cause It could be a problem at the UGW side or the network load is temporarily faulty Remedy Try again after a period of time If the same error persists check the UGW status with a network and UGW administrator Symptom When a communication test COM TEST is repeatedly executed an error occurs Cause During communicati...

Page 63: ...HTTPS communication method Perform and complete a communication test COM TEST 11 8xxx 0201 8xxx 0202 8xxx 0203 8xxx 0204 8xxx 0206 Server schedule is invalid During the communication test there has been some kind of error in the schedule values passed from UGW When the error occurs report the details to the support section After the UGW side has responded try the communication test again 12 8xxx 0...

Page 64: ...improper address Check proxy server address port and re enter as needed 25 8xxx 2015 Proxy address resolution error Could not connect to proxy serv er due to name resolution error of proxy address Check that the proxy server name is cor rect If the proxy server name is correct check the DNS connection as per the initial pro cedures described in the troubleshooting Specify the IP address as the pro...

Page 65: ...ADR is https a01 ugwdevice net ugw agen tif010 33 8xxx 2058 Unknown error SOAP Client fails to obtain SOAP Response Possibility of a problem in UGW or of a temporary problem in the network load Perform and complete a communication test COM TEST 34 8xxx 2063 SOAP Fault SOAP communication error has occurred Check that the value of port number of UGW RGW PORT is 443 35 xxxx xxxx Device internal error...

Page 66: ...port device DCM support device Settings Registration Service mode Remote UI DCM file iW EMC MC with DCM Plug in DCM support iR ADV DCM file DCM file DCM file DCM file DCM file USB memory device NOTE In order to export or import setting information using DCM it is necessary that the device supports DCM Purpose for Using the Function The purpose of using the DCM function is described below using thr...

Page 67: ...f menu options Address book 1 Service mode setting values Settings Registration menu Control panel Yes fixed 2 Yes fixed 2 No Remote UI Yes Yes With conditions 3 Service mode Control panel No No Yes Remote UI No No Yes iW EMC MC DCM Plug in iW EMC MC DCM Plug in Yes Yes With conditions 4 1 Models without address books are excluded In the case of a fax option model without SEND function address boo...

Page 68: ...f the firmware version at the time of import differs from that at the time of export predetermined corrective processing may be performed 2 Predetermined corrective processing may be performed 3 If a serial number is missing the serial numbers are judged to be mismatched Specifications Specifications Related to DCM Files Overall Specifications Related to DCM Files The DCM file to be exported is cr...

Page 69: ...artment ID counter information of ID_1 in the host ma chine is imported ID_1 has not been set in the data to be im ported Not overwritten Information of ID_1 is deleted Department ID information has not been set in the data to be imported Not overwritten Not overwritten ID_1 indicates a department ID Specifications during Execution of a Process Control Panel Remote UI during a Process During expor...

Page 70: ...e imported When an address book is imported the data previously stored is not cleared but overwritten with the records stored in the new address book In other words after the address book is overwritten with a new address book some of the previously stored records remain in some cases All the registered call keys will be cleared Image of overwriting an address book Current address book Address 1 A...

Page 71: ... the service mode settings When the length of the character string exceeds the limit If a character string exceeding the length permitted by the import destination device is registered as for example a device name only the length of the character string that can be registered on the import destination device is registered The excess characters of the character string are deleted When an out of ran...

Page 72: ...ode during import or export Although this is not disclosed to users sleep mode internally changes according to the usage conditions of the host machine Sleep mode ranges from energy saver mode where indicators such as LEDs are turned OFF to deep sleep mode where even the CPU stops Even if the conditions for entering deep sleep mode are met the device does not enter deep sleep mode during export or...

Page 73: ...USB flash drive is not connected a message prompting the user to connect a USB flash drive will appear and the process cannot be executed On the other hand when this function is used export can be executed without connecting a USB flash drive therefore be sure to connect a USB flash drive before executing export 4 Check that a setting information file service dcm exists in the directory directly u...

Page 74: ...e Mode Remote UI With this model service mode can be used from the Remote UI Setting information can be exported by remote control by following the procedure shown below Since the information can be output only to a USB flash drive connected to the host machine this is not strictly remote operation The following USB flash drives can be used for export import USB flash drive in FAT 16 format storag...

Page 75: ...previous procedure into the host machine 1 To the directory directly under the root of the USB flash drive save a setting information file service dcm to be imported 2 Connect a USB memory device to the USB memory port 3 Enter service mode and execute the following service mode Access service mode remote UI select COPIER FUNCTION SYSTEM EXPORT and click EXEC 4 The message shown below which is disp...

Page 76: ...ting the following service mode setting value to 1 1 Enter service mode and set the following item to 1 COPIER OPTION USER SMD EXPT TNRB SW 0 SCALL SW 0 SCALLCMP 0 PC MODE 0 SMD EXPT 1 NOTE The SMD EXPT setting can be specified either from the Control Panel or from the remote UI 2 Exit service mode and start the remote UI and log on in System Manager Mode 3 Click Settings Registration 4 Click Impo...

Page 77: ...x to export the setting data of the menu options Service Mode Selected and grayed out If this item does not exist perform step 1 again Encryption Password Enter up to 32 alphanumeric characters for the encryption password For confirmation enter the same password in the Confirm text box This password will be required when you import the data to the machine 6 Follow the on screen instructions to spe...

Page 78: ...agement Settings Menu Import the service mode setting information file that was exported in the previous procedure 1 Enter service mode and set the following item to 1 COPIER OPTION USER SMD EXPT TNRB SW 0 SCALL SW 0 SCALLCMP 0 PC MODE 0 SMD EXPT 1 NOTE The SMD EXPT setting can be specified either from the Control Panel or from the remote UI 2 Exit service mode and start the remote UI and log on i...

Page 79: ...4 Click Import Export Import 1 2 2 Technical Explanation 71 ...

Page 80: ...ox to import the Address Book data Address Book PIN If the Address Book PIN is set enter the PIN in the Address Book PIN text box Setting a PIN for Address Book Settings Registration Select the check box to import the setting data of the menu options 6 A dialog box asking whether the user wants to execute import will appear Click OK 7 A message will appear to indicate that the process has been com...

Page 81: ...hose that are not described here cannot be imported Import coverage Description Case A The same machine Import to the same machine for backup and restoration etc Case B The same model Import to a different machine of the same model the same series Case C Different model Import to a different machine of a different model a different series Settings Registration Basic Information Preferences Setting...

Page 82: ...es Yes End Yes Yes Yes Auto Sleep Time Yes Yes Yes Auto Reset Time Yes Yes Yes Function After Auto Reset Yes Yes Yes Auto Offline Time Yes Yes Yes Common Settings Setting Information Case A Case B Case C Drawer Auto Selection On Off Copy Multi Purpose Tray Yes Yes Yes Drawer 1 Yes Yes Yes Drawer 2 Yes Yes Yes Printer Drawer 1 Yes Yes Yes Drawer 2 Yes Yes Yes Fax Multi Purpose Tray Yes Yes Yes Draw...

Page 83: ...X Terminal ID Yes Yes Yes Print Position Yes Yes Yes Mark Number as Yes Yes Yes Check Dial Tone Before Sending Yes Yes Yes Allow Fax Driver TX Yes Yes Yes Confirm Entered Fax Number Yes Yes Yes Restrict Sequential Broadcast Yes Yes Yes RX Function Settings ECM RX Yes Yes Yes Incoming Ring Yes Yes Yes times Yes Yes Yes Remote RX Yes Yes Yes specific ID number Yes Yes Yes Switch to Auto RX Yes Yes Y...

Page 84: ... Yes Yes Digital Signatures Yes Yes Yes Density Yes Yes Yes Original Orientation Yes Yes Yes Original Type Yes Yes Yes 2 Sided Original Yes Yes Yes Sharpness Yes Yes Yes Data Size Yes Yes Yes Subject Yes Yes Yes Message Yes Yes Yes Reply To Yes Yes Yes Priority Yes Yes Yes I Fax Settings TX Function Settings Change Default Settings Yes Yes Yes Scan Size Yes Yes Yes Density Yes Yes Yes Original Typ...

Page 85: ...gs Setting Information Case A Case B Case C Prioritize Driver Settings When Printing Yes Yes Yes Multi Purpose Tray Yes Yes Yes Drawer 1 Yes Yes Yes Drawer 2 Yes Yes Yes Copies Yes Yes Yes 2 Sided Printing Yes Yes Yes Default Paper Size Yes Yes No Default Paper Type Yes Yes No Paper Size Override Yes Yes Yes Print Quality Yes Yes Yes Gradation Yes Yes Yes Density Yes Yes Yes Density Fine Adjust Ye...

Page 86: ...lution Gradation Text Yes Yes Yes Graphics Yes Yes Yes Image Yes Yes Yes RGB Source Profile Text Yes Yes Yes Graphics Yes Yes Yes Image Yes Yes Yes Output Profile Text Yes Yes Yes Graphics Yes Yes Yes Image Yes Yes Yes Matching Method Text Yes Yes Yes Graphics Yes Yes Yes Image Yes Yes Yes Gray Compensation Text Yes Yes Yes Graphics Yes Yes Yes Image Yes Yes Yes CMS Matching Selection Yes Yes Yes ...

Page 87: ...aphics Yes Yes Yes Apply to Text Yes Yes Yes Grayscale Conversion Yes Yes Yes Adjustment Maintenance Setting Information Case A Case B Case C Auto Correction Settings Auto Adjust Image Regularly Yes Yes No Correct Print Color Mismatch When Main Power is ON Yes Yes No Display Timing for Cartridge Preparation Notification Auto Yes Yes No Custom Yes Yes No Black Text Processing Feeder Yes Yes Yes Pla...

Page 88: ...s Yes Yes Yes Black White Copy Yes Yes Yes Color Copy Yes Yes Yes Black WhitePrint Yes Yes Yes Color Print Yes Yes Yes Scan Yes Yes Yes Fax Yes Yes Yes Department ID Management Allow Print Jobs with Unknown IDs Yes Yes Yes Allow Scan Jobs with Unknown IDs Yes Yes Yes Allow Black White Copy Jobs Yes Yes Yes Network Settings TCP IP Settings Setting Information Case A Case B Case C IPv4 Settings Auto...

Page 89: ...o No Domain Name Yes No No DNS Dynamic Update Settings Yes Yes Yes DNS Dynamic Update Yes Yes Yes Register Manual Address Yes Yes Yes Register Stateful Address Yes Yes Yes Register Stateless Address Yes Yes Yes DNS Dynamic Update Interval Yes Yes Yes Use mDNS Yes No No Use Same mDNS Name as IPv4 Yes No No mDNS Name Yes No No DHCP Option Settings Acquire DNS Server Address Yes Yes Yes Acquire Domai...

Page 90: ...r Yes Yes Yes Number of Routers to Traverse Yes Yes Yes Notification Interval Yes Yes Yes Google Cloud Print Settings Setting Information Case A Case B Case C Using Google Cloud Print Yes Yes Yes Local Print Yes Yes Yes Server Connection Checking Interval Yes Yes Yes Veryfy Server Certificate Yes Yes Yes Add CN to Verification Items Yes Yes Yes Proxy Settings Setting Information Case A Case B Case...

Page 91: ...C SNMPv1 Settings Use SNMPv1 Yes Yes Yes Use Community Name 1 Yes Yes Yes Community Name 1 Yes Yes Yes Use Community Name 2 Yes Yes Yes Community Name 2 Yes Yes Yes MIB Access Permission 1 Yes Yes Yes MIB Access Permission 2 Yes Yes Yes Use Dedicated Community Yes Yes Yes Dedicated Community Settings Yes Yes Yes Specify SNMPv3 settings Use SNMPv3 Yes Yes Yes Enable User User Name Yes Yes Yes MIB A...

Page 92: ... AirPrint Settings Use AirPrint Yes Yes Yes Latitude Yes No No Longitude Yes No No Mopria Settings Use Mopria Yes Yes Yes Dedicated Port Settings Dedicated Port Settings Yes Yes Yes Waiting Time for Connection at Startup Waiting Time for Connection at Startup Yes Yes Yes Ethernet Driver Settings Ethernet Driver Settings Yes Yes Yes Auto Detect Yes Yes Yes Communication Mode Yes Yes Yes Security Se...

Page 93: ...er the server used for searches Server Name Yes Yes Yes Server Address Yes Yes Yes ition to Start Search Yes Yes Yes Port Number Yes Yes Yes Search Timeout Yes Yes Yes Login Information Yes Yes Yes User Name Yes Yes Yes Password Yes Yes Yes Domain Name Yes Yes Yes Display Authentication Screen When Searching Yes Yes Yes Use Same Authentication Information as When Send Operation Started Yes Yes Yes...

Page 94: ...Yes Yes Yes Use as USB Device Yes Yes Yes Store to USB Memory Yes Yes Yes Memory Media Print On Off Yes Yes Yes Enable Product Extended Survey Program Yes Yes Yes Canon Mobile Scanning ON OFF Yes Yes Yes Google Cloud Print Settings Yes Yes Yes Notify to Check Paper Settings Yes Yes Yes Secure Print Settings Secured Print Yes Yes Yes Secure Print Deletion Time Yes Yes Yes Select OS for USB Connecte...

Page 95: ...R MAI S K2 Yes No No COPIER FUNCTION VIFFNC SMEAR PV Yes No No COPIER FUNCTION VIFFNC FEED IMP Yes No No COPIER FUNCTION VIFFNC FOG PV Yes No No COPIER FUNCTION VIFFNC ICL IMP Yes No No COPIER FUNCTION SPLMAN SPL14159 Yes Yes Yes COPIER FUNCTION SPLMAN SPL27767 Yes No No COPIER FUNCTION SPLMAN SPL89793 Yes No No COPIER FUNCTION SPLMAN SPL26433 Yes No No COPIER FUNCTION SPLMAN SPL14682 Yes No No CO...

Page 96: ...s No No FAX SSSW SW15 Yes No No FAX SSSW SW16 Yes No No FAX SSSW SW17 Yes No No FAX SSSW SW18 Yes No No FAX SSSW SW19 Yes No No FAX SSSW SW20 Yes No No FAX SSSW SW21 Yes No No FAX SSSW SW22 Yes No No FAX SSSW SW23 Yes No No FAX SSSW SW24 Yes No No FAX SSSW SW25 Yes No No FAX SSSW SW26 Yes No No FAX SSSW SW27 Yes No No FAX SSSW SW28 Yes No No FAX SSSW SW29 Yes No No FAX SSSW SW30 Yes No No FAX SSSW...

Page 97: ...IALTONE 001 Yes No No FAX NCU DIALTONE 002 Yes No No FAX NCU DIALTONE 003 Yes No No FAX NCU DIALTONE 004 Yes No No FAX NCU DIALTONE 005 Yes No No FAX NCU DIALTONE 006 Yes No No FAX NCU DIALTONE 007 Yes No No FAX NCU DIALTONE 008 Yes No No FAX NCU 3rd DLTN BIT Yes No No FAX NCU 4th DLTN 001 Yes No No FAX NCU 5th DLTN 002 Yes No No FAX NCU 6th DLTN 003 Yes No No FAX NCU 7th DLTN 004 Yes No No FAX NC...

Page 98: ...08 Yes No No FAX NCU AUTO RX 009 Yes No No FAX NCU CNGDTCT 001 Yes No No FAX NCU CNGDTCT 002 Yes No No FAX NCU CNGDTCT 006 Yes No No FAX NCU CNGDTCT 007 Yes No No FAX NCU CNGDTCT 008 Yes No No FAX NCU CNGDTCT 009 Yes No No FAX NCU CNGDTCT 011 Yes No No FAX NCU CNGDTCT 012 Yes No No FAX NCU SPECIALB SW01 Yes No No FAX NCU SPECIALB SW02 Yes No No FAX NCU SPECIALB SW03 Yes No No FAX NCU SPECIALB SW04...

Page 99: ...X NCU SPECIALN 024 Yes No No FAX NCU SPECIALN 025 Yes No No FAX NCU SPECIALN 026 Yes No No FAX NCU SPECIALN 027 Yes No No FAX NCU SPECIALN 030 Yes No No FAX NCU SPECIALN 040 Yes No No FAX NCU SPECIALN 041 Yes No No FAX NCU SPECIALN 042 Yes No No FAX NCU SPECIALN 044 Yes No No FAX NCU SPECIALN 045 Yes No No FAX NCU SPECIALN 046 Yes No No FAX NCU SPECIALN 047 Yes No No FAX NCU SPECIALN 048 Yes No No...

Page 100: ...e A Case B Case C TESTMODE NCU PBXBUSYT 004 Yes No No TESTMODE NCU PBXBUSYT 005 Yes No No TESTMODE NCU PBXBUSYT 006 Yes No No TESTMODE NCU PBXBUSYT 007 Yes No No TESTMODE NCU PBXBUSYT 008 Yes No No FAX model only 2 Technical Explanation 92 ...

Page 101: ...Periodical Service 3 Periodically Replaced Parts 94 Durable Parts 95 Periodical Services 96 Cleaning 97 ...

Page 102: ...Periodically Replaced Parts No periodically replaced parts is set for this product 3 Periodical Service 94 ...

Page 103: ...Durable Parts No durable parts is set for this product 3 Periodical Service 95 ...

Page 104: ...Periodical Services No periodical service is set for this product 3 Periodical Service 96 ...

Page 105: ...r beam window glass Clean with lint free paper 3 Multi purpose tray separation pad Clean with lint free paper For heavy soils use alcohol to wipe off with lint free paper 4 Multi purpose tray pickup roller 5 Multi purpose tray feed roller 6 Cassette pickup roller 7 Cassette separation roller 8 Registration upper guide Clean with lint free paper 3 Periodical Service 97 ...

Page 106: ...y Assembly Procedure 130 Controller System 154 Controller System Disassembly Assembly Procedure 157 Laser Exposure System 184 Laser Exposure System Disassembly Assembly Procedure 185 Image Formation System 190 Image Formation System Disassembly Assembly Procedure 191 Fixing System 199 Fixing System Disassembly Assembly Procedure 200 Pickup Feeder System 208 Pickup Feeder System Disassembly Assembl...

Page 107: ...ry Tray 9 Right Cover Removing the Right Cover on page 120 10 Control Panel Lower Cover 11 Control Panel Removing the Control Panel Unit on page 169 12 Upper Cover Removing the Upper Cover on page 125 13 USB Port 14 Right Front Cover Removing the Right Front Cover on page 121 15 Front Cover Removing the Front Cover on page 122 16 Cassette 17 Multi Purpose Tray Transport Guide 18 Left Cover Removin...

Page 108: ...age 123 3 Rear Cover Removing the Rear Cover on page 123 4 Rear Lower Cover Removing the Rear Lower Cover on page 123 5 Power Socket 6 Telephone Line Jack MF728Cdw 727Cdw 726Cdw 725Cdn 7 LAN Port 8 USB Port 9 External Device Jack MF728Cdw 727Cdw 726Cdw 725Cdn 10 Handset Terminal MF728Cdw 727Cdw 726Cdw 725Cdn 4 Disassembly Assembly 100 ...

Page 109: ...fter Replacing the Reader Unit on page 133 3 Control Panel Unit Removing the Control Panel Unit on page 169 4 Duplexing Reverse Drive Unit Removing the Duplex Reverse Drive Unit on page 179 5 Main Drive Unit Removing the Main Drive Unit on page 172 6 Low Voltage Power Supply Unit Removing the Low Voltage Unit on page 165 7 MP Paper Pickup Unit Removing the MP Tray Pickup Unit on page 218 8 Paper P...

Page 110: ...on page 185 After Replacing the Laser Scanner Unit on page 188 11 ITB Unit Removing the ITB Unit on page 191 12 Delivery Unit Removing the Delivery Unit on page 220 13 Secondary Transfer Feed Unit Removing the Secondary Transfer Feed Unit on page 219 14 Duplex Feed Unit Removing the Duplex Feed Unit on page 221 15 Re Pickup Guide Unit Removing the Re pickup Guide Unit on page 222 4 Disassembly Ass...

Page 111: ... Drum Motor Main Drive Unit Removing the Drum Motor on page 196 M2 Developing Motor Main Drive Unit Removing the Developing Motor on page 195 M3 Registration Motor Pickup Unit M4 Fixing Motor Product configuration Removing the Fixing Motor Unit on page 205 M5 Pickup Motor Product configuration Removing the Pickup Motor on page 212 M7 Laser Scanner Motor Laser Scanner Unit M720 Reader Motor Reader ...

Page 112: ...ng Film Unit SP1 Speaker Product configuration MF728Cdw 727Cdw 726Cdw 725Cdn Removing the Speaker MF728Cdw 727Cdw 725Cdn on page 183 SW1 Main Power Switch Product configuration MF727Cdw 726Cdw 725Cdn SW1 Main Power Switch Product configuration MF728Cdw 724Cdw CL1 MP Tray Feeding Clutch Product configuration CL2 Duplex Feeding Clutch Duplex Reversing Drive Unit SL1 MP Tray Pickup Solenoid Product c...

Page 113: ...per Feeder Unit SR1 Paper Feeder Pre Registration Detection Sensor Pickup Unit SR2 Front Cover Sensor Product configuration SR4 Registration Detection Sensor Pickup Unit SR6 Developing Homeposition Sensor Main Drive Unit SR7 MP Tray Pre Registration Detection Sen sor Product configuration SR8 Fixing Delivery Sensor Fixing Assembly SR9 Fixing Pressure Release Sensor Fixing Assembly SR10 Fixing Loop...

Page 114: ...er PCB Laser Scanner Unit UN5 Relay PCB Product configuration Removing the Relay PCB on page 168 UN1 3 Main Controller PCB Product configuration Removing the Main Con troller PCB on page 157 Before Replacing the Main Controller PCB on page 157 After Replacing the Main Controller PCB on page 159 UN1 5 USB Host PCB Product configuration UN1 7 Off Hook PCB Product configuration MF728Cdw 727Cdw 726Cdw...

Page 115: ...ving the Fixing Sub PCB on page 166 UN8 Low Voltage Main PCB Low Voltage Power Supply Unit UN9 Low Voltage Sub PCB Low Voltage Power Supply Unit UN10 Duplex Driver PCB Re Pickup Guide Unit UN14 Control Panel NFC PCB Control Panel Unit UN20 NFC PCB Control Panel Unit MF727Cdw 726Cdw Removing the NFC PCB MF727Cdw 726Cdw on page 171 UN16 FAX NCU PCB Product configuration MF728Cdw 727Cdw 726Cdw 725Cdn...

Page 116: ...N7 Fixing Sub PCB J4003 J1301 H220 Fixing heater 230V J311 UN8 Low Voltage Main PCB J4003 J1301 H220 Fixing heater 230V J651 UN7 Fixing Sub PCB J312 UN8 Low Voltage Main PCB J301 UN8 Low Voltage Main PCB J301 INLET J386 UN8 Low Voltage Main PCB J386 UN9 Low Voltage Sub PCB J383 UN8 Low Voltage Main PCB J387 UN9 Low Voltage Sub PCB J388 UN8 Low Voltage Main PCB J388 UN9 Low Voltage Sub PCB J139 1 U...

Page 117: ...n Controller PCB J2009 UN17 Off Hook PCB MF728Cdw 727Cdw 726Cdw 725Cdn J942 UN16 FAX NCU PCB J2001 UN17 Off Hook PCB MF728Cdw 727Cdw 726Cdw 725Cdn 2 5 J3015 J3011 J611 J3001 J3005 J3002 J3003 J3004 J901 J601 J912 J915 J914 J166 J163 J164 J362 J153 J151 J130 J409 J165 J351 J361 J352 J161 J No Symbol Name Relay connector J No Symbol Name Re marks J130 UN1 DC Controller PCB J912 UN13 Main Controller ...

Page 118: ...tion Sensor J163 UN5 Relay PCB J3011 SR4 Registration Detection Sen sor J164 UN5 Relay PCB J3002 SR1 Paper Feeder Pre Registra tion Detection Sensor J165 UN5 Relay PCB J3003 SR12 Pre registration Detection Sensor J165 UN5 Relay PCB J3004 SR13 Cassette Paper Detection Sensor J166 UN5 Relay PCB J3001 SR6 Developing Homeposition Sensor J166 UN5 Relay PCB J3005 SR2 Front Cover Sensor J901 UN13 Main Co...

Page 119: ...Sole noid J156 UN1 DC Controller PCB J654 UN7 Fixing Sub PCB J162 UN5 Relay PCB J3010 SR7 MP Tray Pre Registration De tection Sensor J167 UN5 Relay PCB J3006 SR14 MP Tray Paper Detection Sen sor J167 UN5 Relay PCB J4017 J3009 SR16 ITB Pressure Release Sensor J903 UN13 Main Controller PCB J1302 PS703 Document Sensor J903 UN13 Main Controller PCB J1305 M721 ADF Motor J903 UN13 Main Controller PCB J1...

Page 120: ...ickup Solenoid 4 5 J201 J210 J211 J210 J207 J206 J205 J204 J203 J202 J2001 J213 J2005 J207 J209 J208 J653 J140 J2002 J2003 J206 J209 J208 J2004 J910 J1005 J No Symbol Name Relay connector J No Symbol Name Re marks J140 UN1 DC Controller PCB J201 UN2 Driver PCB J202 UN2 Driver PCB J2004 M5 Pickup Motor J203 UN2 Driver PCB J2005 M3 Registration Motor J204 UN2 Driver PCB J2003 M2 Developing Motor J20...

Page 121: ...lenoid J208 UN2 Driver PCB J208 CL1 MP Tray Feeding Clutch J209 UN2 Driver PCB J209 SL1 MP Tray Pickup Solenoid J210 UN2 Driver PCB J210 UN9 Low Voltage Sub PCB J211 UN2 Driver PCB J2002 M1 Drum Motor J213 UN2 Driver PCB J4004 J653 UN7 Fixing Sub PCB J4004 J910 UN13 Main Controller PCB J1005 UN23 Wireless LAN PCB MF728 Cdw 727Cd w 726Cd w 724Cd w 4 Disassembly Assembly 113 ...

Page 122: ...TH802 Main Thermistor Sub Thermistor 1 J150 UN1 DC Controller PCB J707 UN6 Fixing Relay PCB J152 UN1 DC Controller PCB J701 UN10 Duplex Driver PCB J157 UN1 DC Controller PCB J706 UN6 Fixing Relay PCB J703 UN10 Duplex Driver PCB J703 SL5 Duplex Reversal Solenoid J704 UN10 Duplex Driver PCB J704 CL2 Duplex Feeding Clutch J705 UN10 Duplex Driver PCB J705 FM2 Duplex Feeding Fan J708 UN6 Fixing Relay P...

Page 123: ...xing Relay PCB J301 3 SR9 Fixing Pressure Release Sensor J710 UN6 Fixing Relay PCB J301 4 SR8 Fixing Delivery Sensor J924 UN13 Main Controller PCB J951 UN14 Control Panel NFC PCB J961 UN20 NFC PCB J956 UN14 Control Panel NFC PCB MF727Cd w 726Cdw 4 Disassembly Assembly 115 ...

Page 124: ...ray 9 Right Cover Removing the Right Cover on page 120 10 Control Panel Lower Cover 11 Control Panel Removing the Control Panel Unit on page 169 12 Upper Cover Removing the Upper Cover on page 125 13 USB Port 14 Right Front Cover Removing the Right Front Cover on page 121 15 Front Cover Removing the Front Cover on page 122 16 Cassette 17 Multi Purpose Tray Transport Guide 18 Left Cover Removing th...

Page 125: ...age 123 3 Rear Cover Removing the Rear Cover on page 123 4 Rear Lower Cover Removing the Rear Lower Cover on page 123 5 Power Socket 6 Telephone Line Jack MF728Cdw 727Cdw 726Cdw 725Cdn 7 LAN Port 8 USB Port 9 External Device Jack MF728Cdw 727Cdw 726Cdw 725Cdn 10 Handset Terminal MF728Cdw 727Cdw 726Cdw 725Cdn 4 Disassembly Assembly 117 ...

Page 126: ...he Front Cover 3 1 DERXW 5 cm 3 2 4 Remove the 2 screws 2 1 2x 5 While pushing the claw 2 of the Left Cover 1 hold the top of the host machine and push the Left Cover directly upward with your finger on the A part of the Left Cover CAUTION Do not open A part of the Left Cover in the direction of the arrow when removing the Left Cover otherwise the projection 1 of the Left Cover can be damaged brok...

Page 127: ... 1 Fit the hook 1 at the upper right side of the Left Cover to the upper left area 2 of the Upper Cover 1 2 2 Fit the protrusion 1 of Left Cover to the groove 2 of the frame 3 Insert the claw 3 of the Left Cover to the groove 4 of the Upper Cover to match the Left Cover to the machine 1 2 1 4 3 4 Disassembly Assembly 119 ...

Page 128: ...emove the Right Cover 2 4 Screws 3 3 Hooks 4 3 4 3 3 2 1 4x Installing the Right Cover 1 Fit the 3 hooks 2 of the Right Cover into the holes 3 of the Upper Cover 2 1 3x 3 2 2 While pushing the Right Cover 1 to the Host Machine fit the left surface A of the Right Cover to the right surface B of the Right Front Cover 1 B A 4 Disassembly Assembly 120 ...

Page 129: ...e Right Cover on page 120 Procerdure 1 Remove the Cassette 2 Open the ADF Unit Reader Unit 1 and the Front Cover 2 3 Draw out the Cartridge Tray 4 Remove the 2 screws 2 4 2 3 1 2x 5 Remove the claw 1 at the lower right side of the Right Front Cover 6 Put a flat blade screwdriver into the gap A between the upper area of the Right Front Cover and the Upper Cover to remove the claw 2 in the direction...

Page 130: ... 4 Remove the Right Front Cover Refer to Removing the Right Front Cover on page 121 Procerdure 1 Remove the bushing support 1 2 screws 2 1 2 2x 2 Remove the 2 pins 1 using a screwdriver 1 1 3 While closing the Front Cover 1 release the shaft 3 of the Left Link 2 and the protrusion 4 4 While closing the Front Cover 1 release the shaft 6 of the Right Link 5 and the protrusion 7 and remove the Front ...

Page 131: ...ver 2 1 Hook 3 1 1 2 3 2x Removing the Rear Cover Procedure 1 Open the Rear Cover 1 2 Close the Duplex Feed Unit 2 1 2 3 Remove the Rear Cover 1 2 screws 2 4 hooks 3 1 3 3 2 2x Removing the Rear Lower Cover Preparation 1 Remove the Right Cover Refer to Removing the Right Cover on page 120 2 Remove the Left Cover Refer to Removing the Left Cover on page 118 3 Remove the Rear Upper Cover Refer to Re...

Page 132: ...ove the 2 claws 2 and 2 bosses 3 1 1x 1x 2 3 2 3 3 Close the Duplex Feed Unit 1 1 4 Move the Rear Lower Cover 1 aside from the A part of the Duplex Reverse Drive Unit 2 5 Hold the Rear Cover Rib Unit 3 and remove the Rear Lower Cover 1 2 Hooks 4 A A 1 1 2 2 4 1 3 4 Disassembly Assembly 124 ...

Page 133: ...efer to Removing the Rear Lower Cover on page 123 Procedure 1 Remove the Rear Cover Rib Unit 1 2 bearing holders 2 1 fixing guide 3 1 connector 4 1 3 4 2 1x 1x CAUTION At installation make sure that the spring 1 is installed on A part before installing the Rear Cover Rib Unit 1 A Removing the Upper Cover Preparation 1 Remove the Right Cover Refer to Removing the Right Cover on page 120 2 Remove th...

Page 134: ...efer to Removing the Rear Upper Cover on page 123 Procedure 1 Remove the USB Host PCB Unit 1 1 screw 2 1x 1 1 2 2 Remove 6 screws 1 1 2 2 2 6x 3 Release 2 claws 1 of the Upper Cover with a flat blade screwdriver 1 1 2x 4 Push down the flag 1 and remove the rear side of the Upper Cover 2 1 2 1 2 4 Disassembly Assembly 126 ...

Page 135: ...the Toner Cartridge be careful not to damage the Photosensitive Drum Also be sure to block light 1 Open the Front Cover 2 Pull out the Cartridge Tray 1 3 Remove the toner cartridges Y M C Bk 2 2 1 4 While raising the stopper 1 remove the Cartridge Tray 2 1 Protrusion 3 2 1 3 4 Disassembly Assembly 127 ...

Page 136: ...oller Unit Removing the ADF Pickup Roller on page 137 5 ADF Separation Roller ADF Roller Unit Removing the ADF Separation Roller on page 138 6 ADF Motor ADF Paper Feeder Unit M721 Removing the ADF Pickup Motor on page 141 7 ADF Separation Pad ADF Paper Feeder Unit Removing the ADF Separation Pad on page 138 8 Reader Unit Product Configuration Removing the ADF Unit Reader Unit on page 130 After Rep...

Page 137: ...it Upper Cover Reader Unit Removing the Reader Unit Upper Cover on page 144 After Replacing the Reader Upper Cover Unit on page 145 12 Scoopup sheet holder Reader Unit Removing the Scoopup sheet holder on page 142 After Replacing the Scoopup Sheet Holder on page 143 4 Disassembly Assembly 129 ...

Page 138: ...age 133 when replacing the ADF Unit and Reader Unit respectively 1 Open the ADF Unit Reader Unit 2 Remove the claw 1 to remove the Reader Shaft Retainer 2 3 While supporting the ADF Unit Reader Unit 3 remove the Reader Support Shaft 4 3 1 4 2 1x 4 Bring down the Reader Support Shaft 1 to close the ADF Unit Reader Unit 2 2 1 5 Remove the Controller Cover 1 at the right side of the host machine 9 sc...

Page 139: ...1 1 A 4 2x Separating the ADF Unit Reader Unit Preparation 1 Remove the Right Cover Refer to Removing the Right Cover on page 120 2 Remove the Left Cover Refer to Removing the Left Cover on page 118 3 Remove the ADF Unit Reader Unit Refer to Removing the ADF Unit Reader Unit on page 130 Procedure CAUTION Be sure to perform After replacing ADF unit Refer to After Replacing the ADF Units on page 132...

Page 140: ... A 1 2 2 3 After Replacing the ADF Units 1 Adjust the white level in the following service mode and write the final setting values on the service label 1 Enter the values in the following service mode items respectively In COPIER ADJUST CCD DFTAR R set 299 In COPIER ADJUST CCD DFTAR G set 309 In COPIER ADJUST CCD DFTAR B set 307 In COPIER ADJUST CCD DFTAR BW set 315 2 Place a sheet of A4 or LTR bl...

Page 141: ...L3 White level adj in book mode B W and then execute COPIER FUNCTION CCD DF WLVL4 White level adj in ADF mode B W again 2 ADF geometric adjustment 1 On an image copied using the ADF check the non image width in the X and Y directions and the expansion contraction in the X direction In the case of E353MGMH perform 2 sided original reading from the ADF If adjustment is needed enter necessary adjustm...

Page 142: ...ed is not shown on the UI so perform the following procedure to judge if the operation was successful or failed B W mode COPIER ADJUST CCD LED BW R Adjustment of LED light up time R at B W reading COPIER ADJUST CCD LED BW G Adjustment of LED light up time G at B W reading COPIER ADJUST CCD LED BW B Adjustment of LED light up time B at B W reading Check the foregoing values If all of them remain 1 ...

Page 143: ...cessful or not COPIER ADJUST CCD DFTAR R Adjustment of shading target value R at ADF reading COPIER ADJUST CCD DFTAR G Adjustment of shading target value G at ADF reading COPIER ADJUST CCD DFTAR B Adjustment of shading target value B at ADF reading Check the foregoing values and if all the values remain the same with those you entered the operation result is judged to be failed 8 If the operation ...

Page 144: ... ADF geometric adjustment 1 On an image copied using the ADF check the non image width in the X and Y directions and the expansion contraction in the X direction In the case of E353MGMH perform 2 sided original reading from the ADF If adjustment is needed enter necessary adjustment values in the following service mode COPIER ADJUST ADJ XY ADJ Y DF Adj img pstn in ADF mode horz scan FEEDER ADJUST D...

Page 145: ...ing match the spring 1 of the ADF Roller Unit to the boss 2 1 2 CAUTION Be sure to put the Sensor Flag 1 above the ADF Roller Unit 2 at installation work 1 1 2 2 Removing the ADF Pickup Roller Preparation 1 Remove the ADF Roller Unit Refer to Removing the ADF Roller Unit on page 136 Procedure CAUTION Do not touch the surface of the roller 4 Disassembly Assembly 137 ...

Page 146: ... of the roller 1 Remove the bushing 1 and the 2 plastic E rings 2 1 2 2 Slide the Roller Shaft 1 to remove the parallel pin 2 and the bushing 3 CAUTION Be careful not to lose the parallel pin 2 at assembly disassembly 1 2 3 Turn the Roller Shaft 1 in the direction of the arrow and fit the projection 2 to the hole of the Roller Holder to remove 1 2 4 Remove the ADF Separation Roller 1 1 Removing th...

Page 147: ...Plate 1 On the Back of the Feed Guide 2 Screws 2 2 Tabs 3 of the Separation Pad Holder 1 2 3 2x 4 Remove the Separation Pad Holder 1 1 CAUTION Be careful not to lose the Spring 1 on the Separation Pad Holder 1 5 Remove the ADF Separation Pad 1 Pad Retainer 2 Sheet 3 1 2 3 4 Disassembly Assembly 139 ...

Page 148: ...he ADF Front Cover 2 in the direction of the arrow 1 2 3 Lift the ADF Tray 1 until it stops and release the hook 2 to tip the tray into the perpendicular position and remove by pulling upward 1 1 2 1x 4 Remove the boss 1 to remove the ADF Rear Cover 2 in the direction of the arrow 4 claws 3 1 2 3 3 3 4x 4 Disassembly Assembly 140 ...

Page 149: ...Upper Cover 1 to remove the ADF Pickup Feed Unit 2 1 2 8 Remove the ADF Upper Cover Unit 1 2 bosses 2 1 2 2 Removing the ADF Pickup Motor Preparation 1 Remove the ADF Pickup Feed Unit Refer to Removing the ADF Pickup Feed Unit on page 140 Procedure NOTE When removing the ADF Pickup Motor it is not necessary to remove the ADF Upper Cover Unit described in the previous step 4 Disassembly Assembly 14...

Page 150: ...move the Right Cover Refer to Removing the Right Cover on page 120 2 Remove the Left Cover Refer to Removing the Left Cover on page 118 3 Remove the ADF Unit Reader Unit Refer to Removing the ADF Unit Reader Unit on page 130 4 Seaparare the ADF Unit from the Reader Unit Refer to Separating the ADF Unit Reader Unit on page 131 Procedure CAUTION Be sure to perform After Replacing the Scoopup sheet h...

Page 151: ...peration is judged to be failed turn OFF and then ON the power and execute COPIER FUNCTION INSTALL STRD POS again 2 Adjust the white level in the following service mode and write the final setting values on the service label 1 Enter the values in the following service mode items respectively In COPIER ADJUST CCD DFTAR R set 299 In COPIER ADJUST CCD DFTAR G set 309 In COPIER ADJUST CCD DFTAR B set ...

Page 152: ...failed turn OFF and then ON the power execute COPIER FUNCTION CCD DF WLVL3 White level adj in book mode B W and then execute COPIER FUNCTION CCD DF WLVL4 White level adj in ADF mode B W again Removing the Reader Unit Upper Cover Preparation 1 Remove the Right Cover Refer to Removing the Right Cover on page 120 2 Remove the Left Cover Refer to Removing the Left Cover on page 118 3 Remove the ADF Un...

Page 153: ...successful this procedure is completed There is no need to write the value on the service label 4 How to judge whether the operation was successful or failed Whether the operation was successful or failed is not shown on the UI so perform the following procedure to judge if the operation was successful or failed B W mode COPIER ADJUST CCD LED BW R Adjustment of LED light up time R at B W reading C...

Page 154: ...is not shown on the UI so perform the following procedure to judge if the operation is successful or not COPIER ADJUST CCD DFTAR R Adjustment of shading target value R at ADF reading COPIER ADJUST CCD DFTAR G Adjustment of shading target value G at ADF reading COPIER ADJUST CCD DFTAR B Adjustment of shading target value B at ADF reading Check the foregoing values and if all the values remain the s...

Page 155: ...After replacing CIS units on page 149 when replacing the CIS unit respectively 1 Pull the Drive Belt 1 to move the CIS Unit 2 2 Loosen the screw 3 and move the Pulley Holder 4 in the direction of the arrow to remove the Drive Belt 1 4 1 3 1 2 3 Remove the CIS Unit Mount 1 and remove the flat cable 2 1 guide 3 CAUTION When assembling disassembling the copyboard glass take care not to lose the 2 CIS...

Page 156: ...t 1 be sure to replace the CIS Spacer 2 together with the CIS Unit 1 included in the pacage of the Service Parts 3 CAUTION When the CIS Spacers are mixed up or lost check the CIS Rank Label 3 to use and use the appropriate CIS Spacer that fits the rank of the CIS Unit Rank Color of spacer Dimension Height of spacer rank A light gray 1 17 mm rank B dark gray 1 27 mm rank C brown 1 37 mm CAUTION Whe...

Page 157: ...PIER ADJUST CCD LED BW R Adjustment of LED light up time R at B W reading COPIER ADJUST CCD LED BW G Adjustment of LED light up time G at B W reading COPIER ADJUST CCD LED BW B Adjustment of LED light up time B at B W reading Check the foregoing values If all of them remain 1 000 the operation result is judged to be failed If the operation result is judged to be failed turn OFF and then ON the pow...

Page 158: ...he setting value on the service label 7 Whether the operation was successful or failed is not shown on the UI so perform the following procedure to judge if the operation is successful or not COPIER ADJUST CCD DFTAR R Adjustment of shading target value R at ADF reading COPIER ADJUST CCD DFTAR G Adjustment of shading target value G at ADF reading COPIER ADJUST CCD DFTAR B Adjustment of shading targ...

Page 159: ...ertical scanning direction at ADF stream reading back side 2 If you enter adjustment values write the final values on the service label Removing the Reader Scanner Motor Preparation 1 Remove the Right Cover Refer to Removing the Right Cover on page 120 2 Remove the Left Cover Refer to Removing the Left Cover on page 118 3 Remove the ADF Unit Reader Unit Refer to Removing the ADF Unit Reader Unit o...

Page 160: ...ey Holder 4 in the direction of the arrow to remove the Drive Belt 1 4 1 3 1 2 4 Remove the gear 1 1 claw 2 2 1 1x 5 Remove the Shaft Retaining Plate 1 1 screw 2 2 1 1x 6 Move the Sensor Mount 1 1 screw 2 1 2 1 1x 4 Disassembly Assembly 152 ...

Page 161: ... Plate 1 and turn it over 2 screws 2 1 Grounding Plate 3 2 1 3 2x 8 Pass the connector 1 through the hole A 9 Remove the Reader Scanner Motor 3 from the Motor Mounting Plate 2 2 screws 4 4 2 1 A 3 2x 4 Disassembly Assembly 153 ...

Page 162: ... Removing the FAX PCB MF728Cdw 727Cdw 725Cdw on page 171 4 Main Controller PCB Product Configura tion UN13 Removing the Main Controller PCB on page 157 Before Replacing the Main Controller PCB on page 157 After Replacing the Main Controller PCB on page 159 5 Wireless LAN PCB Product Configura tion MF728Cdw 727Cdw 726Cdw 724Cdw UN23 Removing the Wireless LAN PCB MF728Cdw 727Cdw 724Cdw on page 157 6...

Page 163: ...Unit Product Con figuration Removing the Duplex Reverse Drive Unit on page 179 13 DC Controller PCB Product Con figuration UN1 Removing the DC Controller PCB on page 162 Before Replacing the DC Con troller PCB on page 162 After Replacing the DC Control ler PCB on page 163 14 Off Hook PCB Product Con figuration MF728Cdw 727Cdw 726Cdw 725Cdn UN17 Removing the Off Hook PCB MF728Cdw 727Cdw 725Cdn on p...

Page 164: ...Name Main Unit Remarks Reference Adjastment during parts re placement 19 High Voltage Power Supply PCB Product Con figuration UN3 Removing the High Voltage Power Supply PCB on page 163 4 Disassembly Assembly 156 ...

Page 165: ... 157 Procedure 1 Remove the Wireless LAN PCB 1 1 Screw 2 1 Flat Cable 3 1x 1x 1 2 3 Removing the Main Controller PCB CAUTION When replacing the Main Controller PCB be sure to perform the works to be done before replacing the Main Controller PCB Refer to Before Replacing the Main Controller PCB on page 157 and the works be done after replacing the Main Controller PCB Refer to After Replacing the Ma...

Page 166: ...figured entered after replacing the PCB The default settings shown on the service label 1 The machine s serial number Settings Registration System Settings Device Information Location 1 4 Enter service mode and set the following item to 0 COPIER OPTION USER SMD EXPT TNRB SW 0 SCALL SW 0 SCALLCMP 0 PC MODE 0 SMD EXPT 1 NOTE The SMD EXPT setting can be specified either from the Control Panel or from...

Page 167: ...etting of destination paper size group 1 COPIER OPTION BODY LOCALE to set destination groups Settings 1 Japan 2 North America 3 Korea 4 China 5 Taiwan 6 Europe 7 Asia 8 Oceania 2 COPIER OPTION BODY SIZE LC to set paper size groups Settings 1 AB series 2 Inch series 3 A series 4 AB Inch series 2 Executing initial settings Perform the following procedure to change the settings back to the initial se...

Page 168: ...ng COPIER ADJUST CCD LED BW B Adjustment of LED light up time B at B W reading Check the foregoing values If all of them remain 1 000 the operation result is judged to be failed If the operation result is judged to be failed turn OFF and then ON the power and execute COPIER FUNCTION CCD BW AGC again Color mode COPIER ADJUST CCD LED CL R Adjustment of LED light up time R at color reading COPIER ADJ...

Page 169: ...ide 2 Refer to the following items in the Startup Guide and install the drivers which were uninstalled In case of network connection Installing via Network Connection In case of USB connection Installing with USB Connection NOTE MAC address information is changed after replacement of the Main Controller PCB Therefore when the PC and the machine are connected by the network the PC will not be able ...

Page 170: ...e DC Controller PCB Refer to After Replacing the DC Controller PCB on page 163 Before Replacing the DC Controller PCB 1 Execute the following service mode to restore the DC Controller setting values that were backed up in the previous step COPIER FUNCTION VIFFNC STOR DCN Preparation 1 Removing the Right Cover Refer to Removing the Right Cover on page 120 2 Removing the Left Cover Refer to Removing...

Page 171: ...stment Maintenance Print Color Displacement Correction Menu Adjustment Maintenance Auto Gradation Correction Quick Correction 5 Turn OFF and then ON the power Removing the High Voltage Power Supply PCB Preparation 1 Removing the Right Cover Refer to Removing the Right Cover on page 120 2 Removing the Left Cover Refer to Removing the Left Cover on page 118 3 Removing the Rear Upper Cover Refer to R...

Page 172: ...2 1 1 6x 1x 5 Remove the High Voltage Power Supply PCB 1 9 claws 2 2 1 2 2 2 10x CAUTION When installing the High voltage Power PCB 1 to the host machine make sure that the contact spring 3 is connected from the 18 round holes 2 1 2 3 4 Disassembly Assembly 164 ...

Page 173: ...ler PCB Refer to Removing the Main Controller PCB on page 157 6 Removing the Main Controller Support Plate Refer to Removing the Main Controller Support Plate on page 161 7 Removing the Fixing Fixing Power Supply Cooling Fan Unit Refer to Removing the Fixing Fixing Power Supply Cooling Fan Unit on page 180 Procedure 1 Free the harness 1 from the guide A 1 Connector 2 2 Free the harness 3 from the ...

Page 174: ...ving the Main Controller PCB on page 157 5 Removing the Main Controller Support Plate Refer to Removing the Main Controller Support Plate on page 161 6 Removing the FAX PCB MF728Cdw 727Cdw 725Cdn only Refer to Removing the FAX PCB MF728Cdw 727Cdw 725Cdw on page 171 7 Removing the Fixing Fixing Power Supply Cooling Fan Unit Refer to Removing the Fixing Fixing Power Supply Cooling Fan Unit on page 1...

Page 175: ...t on page 130 5 Removing the Rear Upper Cover Refer to Removing the Rear Upper Cover on page 123 6 Removing the Upper Cover Refer to Removing the Upper Cover on page 125 7 Removing the Wireless LAN PCB MF728Cdw 727Cdw 724Cdw only Refer to Removing the Wireless LAN PCB MF728Cdw 727Cdw 724Cdw on page 157 8 Removing the Main Controller PCB Refer to Removing the Main Controller PCB on page 157 9 Remov...

Page 176: ...moving the Rear Upper Cover Refer to Removing the Rear Upper Cover on page 123 4 Removing the ADF Unit Reader Unit Refer to Removing the ADF Unit Reader Unit on page 130 5 Removing the Right Front Cover Refer to Removing the Right Front Cover on page 121 6 Removing the Upper Cover Refer to Removing the Upper Cover on page 125 Procedure 1 Disconnect the flat cable 1 and the 7 connectors 2 1 2 2 2 8...

Page 177: ... claw 1 to remove the Reader Shaft Retainer 2 2 While supporting the ADF Unit Copyboard Reader Unit 3 remove the Reader Support Shaft 4 3 Bring down the Reader Support Shaft 4 to close the ADF Unit Copyboard Reader Unit 3 1 2 3 4 1x 4 Remove the screws at the bottom of the Reader Unit 1 6 Screws 2 2 2 2 1 6x 4 Disassembly Assembly 169 ...

Page 178: ...ntrol Panel Unit 1 and disconnect the Faston Connector 2 11 Claws 3 1 3 3 3 2 3 11x 1x CAUTION Do not touch the IC part A of the LCD Flat Cable 1 A 7 Turn the Control Panel Unit 1 over and disconnect the Flat Cable 2 CAUTION Do not damage and cut the Flat Cable 2 1 2 1x 4 Disassembly Assembly 170 ...

Page 179: ...Cable 1 A 1 Remove the NFC PCB 1 1 Connector 2 1 Screws 3 1 1x 1x 3 2 Removing the FAX PCB MF728Cdw 727Cdw 725Cdw Preparation 1 Removing the Right Cover Refer to Removing the Right Cover on page 120 2 Removing the Controller Cover Refer to Removing the Controller Cover on page 157 3 Removing the Wireless LAN PCB MF728Cdw 727Cdw 724Cdw only Refer to Removing the Wireless LAN PCB MF728Cdw 727Cdw 724...

Page 180: ...er to Removing the Upper Cover on page 125 7 Removing the Wireless LAN PCB MF728Cdw 727Cdw 724Cdw only Refer to Removing the Wireless LAN PCB MF728Cdw 727Cdw 724Cdw on page 157 8 Removing the Main Controller PCB Refer to Removing the Main Controller PCB on page 157 9 Removing the Main Controller Support Plate Refer to Removing the Main Controller Support Plate on page 161 10 Removing the Drum Moto...

Page 181: ...n page 172 Procedure 1 Remove the Harness Guide and plate 1 1 Connector 2 1 Harness Guide A 2 Screws 3 1 1 2 3 3 A 2x 1x 2 Free the harness 1 4 Harness Guides A A 1 4x 3 Free the harness 1 from the guides A and B MF728Cdw 724Cdw only A 1 B 1 2x 4 Free the harness 1 from the Harness Guide A 4 Disassembly Assembly 173 ...

Page 182: ...ree the harness 1 extruding out of the rear side B and C of the machine from the Harness Guide A 1 1 1 1 1 A C B 1x 6 Remove the Harness Guide and Power Auxiliary Plate 1 2 Screws 2 1 1 1 2x 4 Disassembly Assembly 174 ...

Page 183: ...he vicinity be sure to install the Special Flat head Screw 2 in the location it was in before removal 2 4 3 1 5 5 6 3 4 6x CAUTION When installing be sure to place the A part of DC Controller Support Plate under the B part of the Harness Guide A B 8 Remove the Main Switch Unit 1 2 Screws 2 1 Hook 3 1 Reuse Band 4 2 1 1 3 4 2x 1x 9 Remove the Main Switch Unit Connecting Plate 1 3 Screws 2 1 2 2 3x ...

Page 184: ...ing Plate 1 3 Screws 2 1 2 2 3x 11 Remove the wire harness guide 1 2 Claws 2 1 Hook 3 1 2 2 3 2x 12 Remove the sheet 1 3 Hooks 2 2 2 1 13 Free the harness 1 and 2 from the Harness Guide A and B 1 2 B 2 1 A 2x 4 Disassembly Assembly 176 ...

Page 185: ... 2 and remove the wire harness guide 2 in the arrow direction 1 Claw 3 2 Fixing Guides 4 4 4 3 1 2 2x 1x CAUTION When removing the Main Drive Unit the Contact Spring 1 may come off so be sure not to lose it When it comes off attach it on the protrusion A on the plate at the right side of the host machine A 1 4 Disassembly Assembly 177 ...

Page 186: ... Front Door Arm 2 is pulled out 1 link 3 is on the right side 1 1 1 1 2 3 NOTE The Main Drive Unit side needs to be in the following condition when installing the Main Drive Unit The directions of the groove A of the gear 1 of the Main Drive Unit and the groove B of the Gear Cover of the Main Drive Unit are aligned If the directions are not aligned rotate the gear 2 to align the directions of the ...

Page 187: ...n Drive Unit with the joint 2 of the host machine Fit the hole 3 of the link with the shaft 4 of the host machine Fit the hole 5 of the Front Door Arm with the shaft 6 of the host machine 1 5 3 2 4 6 Removing the Duplex Reverse Drive Unit Preparation 1 Removing the Right Cover Refer to Removing the Right Cover on page 120 2 Removing the Left Cover Refer to Removing the Left Cover on page 118 3 Rem...

Page 188: ... harnesses 1 at the bottom of the Guide A when installing A 1 A 1 2 Open 1 the Duplex Feed Unit and remove the Duplex Reverse Drive Unit 2 3 screws 3 3 1 2 3x Removing the Fixing Fixing Power Supply Cooling Fan Unit Preparation 1 Removing the Right Cover Refer to Removing the Right Cover on page 120 4 Disassembly Assembly 180 ...

Page 189: ...r Support Plate on page 161 Procedure 1 Remove the Cooling Fan Unit 1 1 Connector 2 2 Screws 3 2 Harness Guides A 1 Harness Guide B 3 3 1 B A 2 2x 1x 1x 2 Remove the Fixing Fixing Power Supply Cooling Fan 1 1 claw 2 2 protrusions 3 1 2 3 1x CAUTION When installing the Cooling Fan be careful of the installation direction Place the Fan Cable 1 in the indicated position Make sure that the fan label 2...

Page 190: ...er on page 123 5 Removing the Rear Lower Cover Refer to Removing the Rear Lower Cover on page 123 6 Removing the Rear Cover Rib Unit Refer to Removing the Rear Cover Rib Unit on page 125 Procedure 1 Remove the spring 1 3 bosses 2 1 2 2 2 Free the harness 2 from the spring 1 1 2 1x 3 Remove the fixing guide 1 and free the harness 2 from the harness guide 3 fixing guides 3 2 1 3 3x 1x 4 Disassembly ...

Page 191: ... Make sure that the fan label 2 faces to the Duplex Feeding Unit side 1 2 Removing the Speaker MF728Cdw 727Cdw 725Cdn Preparation 1 Removing the Right Cover Refer to Removing the Right Cover on page 120 2 Removing the Controller Cover Refer to Removing the Controller Cover on page 157 Procedure 1 Remove the Speaker 1 1 connector 2 1 wire saddle 3 2 claws 4 2 4 4 1 3 1x 2x 1x 4 Disassembly Assembly...

Page 192: ...rts Name Main Unit Remarks Reference Adjastment during parts replace ment 1 Laser Scanner Unit Product Config uration Removing the Laser Scanner Unit on page 185 After Replacing the Laser Scanner Unit on page 188 4 Disassembly Assembly 184 ...

Page 193: ...ear Lower Cover on page 123 9 Removing the Rear Cover Rib Unit Refer to Removing the Rear Cover Rib Unit on page 125 10 Removing the Duplex Printing Reverse Drive Unit Refer to Removing the Duplex Reverse Drive Unit on page 179 11 Removing the Fixing Assembly Refer to Removing the Fixing Assembly on page 200 12 Removing the Delivery Unit Refer to Removing the Delivery Unit on page 220 Procedure CA...

Page 194: ...ree the harness 2 and the Flat Cable 3 2 Flat Cables 4 5 Connectors 5 3 Fixation Guides 6 6 Claws 7 7 6 5 5 1 3 4 2 5 5 7 7 7 6x 2x 5x 3x 3 Remove the Harness Guide 1 1 Screw 2 1 Spring 3 2 Hooks 4 1 4 2 3 1x 4 Disassembly Assembly 186 ...

Page 195: ...ing 2 on the flag 3 of the Laser Scanner Unit when installing 1 A 2 3 4 Remove the Upper Front Supporting Plate 1 4 screws 2 1 2 2 4x 5 Remove the Scanner Fixing Spring 1 on the right side from 1 hook 2 6 Remove the Scanner Fixing Spring 3 on the left from the 1 hook 4 1 2 3 4 4 Disassembly Assembly 187 ...

Page 196: ...e vertical scanning irradiation position1 C COPIER ADJUST SCNR SUB S K1 Laser output correction value vertical scanning irradiation position1 K COPIER ADJUST SCNR SUB S Y2 Laser output correction value vertical scanning irradiation position2 Y COPIER ADJUST SCNR SUB S M2 Laser output correction value vertical scanning irradiation position2 M COPIER ADJUST SCNR SUB S C2 Laser output correction valu...

Page 197: ...scanning irradiation position2 Y COPIER ADJUST SCNR MAI S M2 Laser output correction value horizontal scanning irradiation position2 M COPIER ADJUST SCNR MAI S C2 Laser output correction value horizontal scanning irradiation position2 C COPIER ADJUST SCNR MAI S K2 Laser output correction value horizontal scanning irradiation position2 K 2 After values are registered affix the label 1 packaged with...

Page 198: ... Drive Unit M1 Removing the Drum Motor on page 196 3 Developing Motor Main Drive Unit M2 Removing the Developing Motor on page 195 4 Patch Density Registration Sensor Unit Product Configuration Removing the Patch Density and Registra tion Sensor unit on page 193 5 Secondary Transfer Outer Roller Secondary Transfer Feed Unit Removing the Secondary Transfer Outer Roller on page 198 4 Disassembly Ass...

Page 199: ...ty Registration Sensor Unit 1 toward the front 2 Screws 2 2 Bosses 3 2 Protrusions 4 1 1 4 3 3 2 2 2x When it is difficult to pull out the Patch Density Registration Sensor Unit toward the front and there is a risk of contact with the ITB refer to Removing the Patch Density and Registration Sensor Unit so that the Patch Density Registration Sensor Unit 1 can be further pulled out Refer to Removing...

Page 200: ...ration Sensor Unit 2 at the lower side and the frame 3 at the upper side when installing removing 1 3 2 4 Open the Rear Cover 1 5 Hold the 2 parts A at the front side of the ITB Unit to tilt the ITB Unit 2 6 Slide the 2 parts B at the rear side of the ITB Unit along the rails 3 and remove the ITB Unit 2 by pulling it out 3 B B 3 2 1 A A 4 Disassembly Assembly 192 ...

Page 201: ...F Unit Reader Unit on page 130 5 Removing the Right Front Cover Refer to Removing the Right Front Cover on page 121 6 Removing the Upper Cover Refer to Removing the Upper Cover on page 125 7 Removing the High Voltage Power Supply PCB Refer to Removing the High Voltage Power Supply PCB on page 163 8 Removing the Cartridge Tray Refer to Removing the Cartridge Tray on page 127 Procedure CAUTION Be su...

Page 202: ... the 2 protrusions 1 A 1 1 5 Put the connector 1 through the hole A and remove the Patch Density Registration Patch Sensor Unit 2 1 2 A NOTE When it is difficult to put the connector 1 of the Patch Density Registration Sensor Unit 2 through the hole A refer to the following steps to remove the Front Cover Link Arm Left so that the connector 1 can be put through the hole A more easily 4 Disassembly...

Page 203: ...ng the ADF Unit Reader Unit Refer to Removing the ADF Unit Reader Unit on page 130 5 Removing the Rear Upper Cover Refer to Removing the Rear Upper Cover on page 123 6 Removing the Upper Cover Refer to Removing the Upper Cover on page 125 7 Removing the Upper Cover MF728Cdw 727Cdw 724Cdw only Refer to Removing the Wireless LAN PCB MF728Cdw 727Cdw 724Cdw on page 157 8 Removing the Main Controller P...

Page 204: ...page 118 3 Removing the Right Front Cover Refer to Removing the Right Front Cover on page 121 4 Removing the ADF Unit Reader Unit Refer to Removing the ADF Unit Reader Unit on page 130 5 Removing the Rear Upper Cover Refer to Removing the Rear Upper Cover on page 123 6 Removing the Upper Cover Refer to Removing the Upper Cover on page 125 7 Removing the Wireless LAN PCB MF728Cdw 727Cdw 724Cdw only...

Page 205: ...ire harness guide 1 1 claw 2 2 hooks 3 2 3 3 1 1x 3 Remove the Drum Motor 1 3 screws 2 2 1 3x CAUTION Be sure to identify the Drum Motor and the Developing Motor by the difference in gears Gear 1 of the Drum Motor White with a groove A on its side Gear 2 of the Developing Motor Black with no groove 1 2 A 4 Disassembly Assembly 197 ...

Page 206: ...ransfer Outer Roller is included in Secondary Transfer FeedUnit so when replacing the Secondary Transfer Outer Roller be sure toreplace the Secondary Transfer Feed Unit itself Refer to Removing the Secondary Transfer Feed Unit on page 219 4 Disassembly Assembly 198 ...

Page 207: ...on figuration Removing the Fixing Assembly on page 200 2 Fixing Motor Unit Product Con figuration M4 Removing the Fixing Motor Unit on page 205 3 Fixing Pressure Roller Fixing Assem bly Removing the Fixing Pressure Roller on page 205 4 Fixing Film Unit Fixing Assem bly Removing the Fixing Film Unit on page 201 4 Disassembly Assembly 199 ...

Page 208: ...efer to Removing the Rear Lower Cover on page 123 6 Removing the Rear Cover Rib Unit Refer to Removing the Rear Cover Rib Unit on page 125 7 Removing the Duplex Printing Reverse Drive Unit Refer to Removing the Duplex Reverse Drive Unit on page 179 Procedure CAUTION When removing the fixing unit be sure to turn OFF the power Since the fixing assembly is extremely hot just after the printing do not...

Page 209: ...120 2 Removing the Left Cover Refer to Removing the Left Cover on page 118 3 Removing the Rear Upper Cover Refer to Removing the Rear Upper Cover on page 123 4 Removing the Rear Cover Refer to Removing the Rear Cover on page 123 5 Removing the Rear Lower Cover Refer to Removing the Rear Lower Cover on page 123 6 Removing the Rear Cover Rib Unit Refer to Removing the Rear Cover Rib Unit on page 125...

Page 210: ... Bosses 4 2 Protrusions 5 5 2 3 3 5 2 3 3 4 4 4 1 1 2 Remove the gear 1 2 Parallel Pins 2 E Ring 3 cam 4 and bushing 5 1 Claws 6 6 1 5 2 2 3 4 1x CAUTION At installation be sure to match the direction of the cam 4 with that of the cam 6 on the other side of the Fixing Assembly 4 6 4 Disassembly Assembly 202 ...

Page 211: ...of the Sensor Flag 2 1 2 CAUTION Be sure to prevent the guide 1 from hitting against the Fixing Film Unit 2 when installing removing 1 2 4 While securing the harness 1 to the guide A remove the harness 1 and the guide 2 Harness Guide B 2 1 A B 1x 5 Free the harness black 1 from the Harness Guide A B C and D A B D 1 C 1x 6 Free the harness purple 1 from the Harness Guide A and C 4 Disassembly Assem...

Page 212: ... Harness Guide A C and D A D C 1 2 1x 8 Remove the harness 1 and the guide 2 1 Claws 3 2 Bosses 4 3 4 2 1 1 4 2 1x CAUTION When installing removing the Fixing Film Unit be sure not to touch the Fixing Film 1 1 4 Disassembly Assembly 204 ...

Page 213: ...8 Removing the Fixing Assembly Refer to Removing the Fixing Assembly on page 200 9 Removing the Fixing Film Unit Refer to Removing the Fixing Film Unit on page 201 Procedure CAUTION Be sure not to touch the surface of the Fixing Pressure Roller 1 Remove the Fixing Pressure Roller 1 2 Bushings 2 1 Gear 3 1 2 3 Removing the Fixing Motor Unit Preparation 1 Removing the Right Cover Refer to Removing t...

Page 214: ...ng the Fixing Sub PCB Refer to Removing the Fixing Sub PCB on page 166 Procedure 1 Free the harness 1 to remove the Sub Power Supply PCB Holder 2 2 Claws 3 2 Bosses 4 3 1 4 4 2 2x 2x 2 Remove the Fixing Motor unit 1 3 screws 2 1 2 3x CAUTION When removing the Fixing Motor Unit do not lose the spring 1 in the backside 1 4 Disassembly Assembly 206 ...

Page 215: ...CAUTION In installation put the edge of the spring 1 and the projection 2 of the gear into the hole on the sheet metal 2 1 4 Disassembly Assembly 207 ...

Page 216: ... page 212 5 MP Paper Pickup Unit Product Configuration Removing the MP Tray Pickup Unit on page 218 6 MP Paper Pickup Roller MP Paper Pickup Roller Unit Removing the MP Tray Pickup Roller on page 211 7 MP Separation Pad MP Paper Pickup Unit Removing the MP Tray Separation Pad on page 211 8 Delivery Unit Product Configuration Removing the Delivery Unit on page 220 9 Secondary Transfer Feed Unit Pro...

Page 217: ...ost machine remove toner cartridges Y M C Bk 6 Place a host machine 1 as the Left Cover faces to the bottom CAUTION When laying down the main body be sure to secure the ADF Unit with tape to prevent from opening In case that the ADF Unit is not secured with tape when returning the main body to its original position the ADF Unit is closed swiftly so this might cause damage on the main body or injur...

Page 218: ...te 2 Make the Left Cover face down and place the host machine 1 CAUTION When laying down the main body be sure to secure the ADF Unit with tape to prevent from opening In case that the ADF Unit is not secured with tape when returning the main body to its original position the ADF Unit is closed swiftly so this might cause damage on the main body or injuries by catching the fingers 1 3 Remove the 2...

Page 219: ...itch 2 Execute the following items in Service mode COPIER FUNCTION VIFFNC FD R CHG 3 The Multi purpose Tray Pickup Roller rotates to the replacement position 4 Remove the cassette 5 Lower the Multi purpose Tray 1 6 Remove the Multi purpose Tray Pickup Roller 2 2 Claws 3 2 Shafts 4 1 3 4 3 2 2x 7 After replacing the Multi purpose Tray Pickup Roller turn OFF and then ON the power and then return it ...

Page 220: ...he Rear Upper Cover Refer to Removing the Rear Upper Cover on page 123 6 Removing the Upper Cover Refer to Removing the Upper Cover on page 125 7 Removing the Wireless LAN PCB MF728Cdw 727Cdw 724Cdw only Refer to Removing the Wireless LAN PCB MF728Cdw 727Cdw 724Cdw on page 157 8 Removing the Main Controller PCB Refer to Removing the Main Controller PCB on page 157 9 Removing the Main Controller Su...

Page 221: ... Unit Refer to Removing the ADF Unit Reader Unit on page 130 5 Removing the Rear Upper Cover Refer to Removing the Rear Upper Cover on page 123 6 Removing the Upper Cover Refer to Removing the Upper Cover on page 125 7 Removing the Wireless LAN PCB MF728Cdw 727Cdw 724Cdw only Refer to Removing the Wireless LAN PCB MF728Cdw 727Cdw 724Cdw on page 157 8 Removing the Main Controller PCB Refer to Remov...

Page 222: ...e sure not to touch the Secondary Transfer Roller 1 and the ITB 2 1 2 1 Remove the wire harness 2 from the wire harness guide 1 8 connectors 3 10 fixing guides 4 3 3 4 4 4 4 4 2 4 1 3 1x 9x 4x 3x 4 Disassembly Assembly 214 ...

Page 223: ...e guide 2 to align the hook 4 with the hole on the arm 3 and remove the arm 3 3 hooks 5 1 5 3 4 2 2x CAUTION 1 When tilting the host machine remove the Toner Cartridge Y M C Bk beforehand 2 For protection install each cover before tilting the machine Close the Rear Cover 1 Install the Upper Cover 2 Install the Left Cover 3 Close the Front Cover 4 1 3 4 2 4 Disassembly Assembly 215 ...

Page 224: ... the machine as the Left Cover faces to the bottom 1 6 Remove the 2 stoppers 2 2 Bosses 3 2 3 2 3 1 7 Remove the 2 arms 1 and the 2 springs 2 2 Shafts 3 5 Hooks 4 1 1 2 2 3 3 4 4 4 4 4 Disassembly Assembly 216 ...

Page 225: ...e sure not to touch the Pickup Roller 1 and the Secondary Transfer Roller 2 1 2 1 Open the Rear Cover 1 Put the harness 2 through the hole A of the Side Plate and Install the Pickup Unit 3 to the host machine 1 2 A 3 2 Place the edge A of the guide of the Pickup Unit over the spring 1 of the host machine 1 A A 1 4 Disassembly Assembly 217 ...

Page 226: ...up Unit Procedure CAUTION When tilting the host machine make sure to remove the Toner Cartridge Y M C Bk beforehand 1 Remove the cassette 2 Make the Left Cover face down and place the host machine 1 CAUTION When laying down the main body be sure to secure the ADF Unit with tape to prevent from opening In case that the ADF Unit is not secured with tape when returning the main body to its original p...

Page 227: ... 2 2 1 5 Push a flat blade screwdriver to the stopper 1 and remove the MP Tray Pickup Unit 2 in the direction of the arrow 2 2 1 Removing the Secondary Transfer Feed Unit CAUTION Secondary Transfer Outer Roller is included in Secondary Transfer Feed Unit so when replacing the Secondary Transfer Outer Roller be sure to replace the Secondary Transfer Feed Unit itself Procedure 1 Open the Rear Cover ...

Page 228: ...r Cover Refer to Removing the Rear Cover on page 123 5 Removing the Rear Lower Cover Refer to Removing the Rear Lower Cover on page 123 6 Removing the Rear Cover Rib Unit Refer to Removing the Rear Cover Rib Unit on page 125 7 Removing the Duplex Printing Reverse Drive Unit Refer to Removing the Duplex Reverse Drive Unit on page 179 8 Removing the Fixing Assembly Refer to Removing the Fixing Assem...

Page 229: ...r Refer to Removing the Right Cover on page 120 2 Removing the Left Cover Refer to Removing the Left Cover on page 118 3 Removing the Secondary Transfer Feed Unit Refer to Removing the Secondary Transfer Feed Unit on page 219 4 Removing the Rear Upper Cover Refer to Removing the Rear Upper Cover on page 123 5 Removing the Rear Cover Refer to Removing the Rear Cover on page 123 6 Removing the Rear ...

Page 230: ...Removing the Left Cover on page 118 3 Removing the Secondary Transfer Feed Unit Refer to Removing the Secondary Transfer Feed Unit on page 219 4 Removing the Rear Upper Cover Refer to Removing the Rear Upper Cover on page 123 5 Removing the Rear Cover Refer to Removing the Rear Cover on page 123 6 Removing the Rear Lower Cover Refer to Removing the Rear Lower Cover on page 123 7 Removing the Rear ...

Page 231: ...dure 1 Remove the Re pickup Guide Unit 1 3 connectors 2 4 screws 3 2 3 3 3 3 1 4x 3x CAUTION Be sure to insert the 2 harnesses 1 at the bottom of the Guide A when installing A 1 A 1 4 Disassembly Assembly 223 ...

Page 232: ...Adjustment 5 Overview 225 Adjustment at Parts Replacement 226 ...

Page 233: ...placing the Reader Unit on page 227 Scoopup Sheet Holder After Replacing the Scoopup Sheet Holder on page 233 Reader Upper Cover Unit After Replacing the Reader Upper Cover Unit on page 230 CIS Units After replacing CIS units on page 232 Controller System Main Controller PCB Main Controller PCBs on page 234 DC Controller PCB DC Controller PCB on page 238 Laser Exposure Sys tem Laser Scanner Unit A...

Page 234: ...the foregoing values and if all the values remain the same with those you entered the operation result is judged to be failed 8 If the operation result is failed turn OFF and then ON the power execute COPIER FUNCTION CCD DF WLVL1 White level adj in book mode color and then execute COPIER FUNCTION CCD DF WLVL2 White level adj in ADF mode color again 9 Checking the value of DFTAR BW Check the value ...

Page 235: ...f W PLT Z The last four digits of the value on the label 3 Return the Scoop up Sheet to its original position 4 AGC adjustment 1 Entering a provisional value Change the foregoing values to 1 000 COPIER ADJUST CCD LED BW R Adjustment of LED light up time R at B W reading COPIER ADJUST CCD LED BW G Adjustment of LED light up time G at B W reading COPIER ADJUST CCD LED BW B Adjustment of LED light up...

Page 236: ...the following procedure to judge if the operation was successful or failed Check the value of COPIER ADJUST ADJ XY STRD POS Adjustment of reading position at ADF stream reading If it remains 20 the operation is judged to be failed If the operation is judged to be failed turn OFF and then ON the power and execute COPIER FUNCTION INSTALL STRD POS again 6 Adjust the white level in the following servi...

Page 237: ...e following service mode items Enter the values of OFST P Y OFST P M OFST P C and OFST P K in the following service mode and write the entered values on the service label COPIER ADJUST PASCAL OFST P Y Y density adj at test print reading COPIER ADJUST PASCAL OFST P M M density adj at test print reading COPIER ADJUST PASCAL OFST P C C density adj at test print reading COPIER ADJUST PASCAL OFST P B B...

Page 238: ...2 Adjust the white level in the following service mode COPIER FUNCTION CCD BW AGC CIS intensity adjustment in ADF B W COPIER FUNCTION CCD CL AGC CIS intensity adjustment in ADF color 3 If the operation was successful this procedure is completed There is no need to write the value on the service label 4 How to judge whether the operation was successful or failed Whether the operation was successful...

Page 239: ...CCD DF WLVL3 White level adj in book mode B W 5 Place the same blank paper on the ADF again and execute COPIER FUNCTION CCD DF WLVL4 White level adj in ADF mode B W 6 If the operation was successful write the setting value on the service label 7 Whether the operation was successful or failed is not shown on the UI so perform the following procedure to judge if the operation is successful or not CO...

Page 240: ...D LED CL G Adjustment of LED light up time G at color reading COPIER ADJUST CCD LED CL B Adjustment of LED light up time B at color reading Check the foregoing values If all of them remain 1 200 the operation result is judged to be failed If the operation result is judged to be failed turn OFF and then ON the power and execute COPIER FUNCTION CCD CL AGC again 2 Automatic adjustment of the stream r...

Page 241: ...l adj in ADF mode B W again 4 Copyboard geometric adjustment Enter the values shown on the label that comes with the part in the following service mode items COPIER ADJUST ADJ XY ADJ X Adj of img pstn in book mode vert scan COPIER ADJUST ADJ XY ADJ Y Adj of img pstn in book mode horizontal scanning direction COPIER ADJUST ADJ XY ADJ X MG Fine adj image ratio vertical scanning Enter the values in t...

Page 242: ...D DF WLVL4 White level adj in ADF mode B W 6 If the operation was successful write the setting value on the service label 7 Whether the operation was successful or failed is not shown on the UI so perform the following procedure to judge if the operation is successful or not COPIER ADJUST CCD DFTAR R Adjustment of shading target value R at ADF reading COPIER ADJUST CCD DFTAR G Adjustment of shadin...

Page 243: ...Information Export Import Function DCM on page 58 export the following information User data the settings of the Settings Registration menu and the address book Service mode setting information 3 Write down the following information because these settings need to be configured entered after replacing the PCB The default settings shown on the service label 1 The machine s serial number Settings Reg...

Page 244: ...e mode data the default value for each destination is set Job IDs Log data Dates 2 Execute the following service mode to clear the reader DF related factory adjustment values COPIER FUNCTION CLEAR R CON 3 AGC adjustment 1 Entering a provisional value Change the foregoing values to 1 000 COPIER ADJUST CCD LED BW R Adjustment of LED light up time R at B W reading COPIER ADJUST CCD LED BW G Adjustmen...

Page 245: ... mode to back up the DC Controller setting values COPIER FUNCTION VIFFNC STOR DCN 3 The initial installation mode will be activated by turning OFF and then ON the power Configure the following settings according to the instruction on the screen Setting of date time Auto gradation correction 4 Correction of coordinate position of Touch Panel in the following service mode COPIER ADJUST PANEL TOUCHCH...

Page 246: ...nu on the LUI of the machine it is necessary to execute this process 8 Setting of automatic shutdown menu display Set 1 for automatic shutdown menu display in service mode default 0 COPIER OPTION BODY SDTM DSP 9 Turn OFF and then ON the main power 10 Checking the setting of Auto Sleep Time In setting menu check that the setting value of Auto Sleep Time is 1 If the setting value is 0 automatic shut...

Page 247: ... position2 C COPIER ADJUST SCNR SUB S K2 Laser output correction value vertical scanning irradiation position2 K COPIER ADJUST SCNR MAI S Y0 Laser output correction value horizontal scanning irradiation position0 Y COPIER ADJUST SCNR MAI S M0 Laser output correction value horizontal scanning irradiation position0 M COPIER ADJUST SCNR MAI S C0 Laser output correction value horizontal scanning irrad...

Page 248: ...Troubleshooting 6 Test Print 241 Trouble shooting items 243 Version Upgrade 244 Debug Log 248 ...

Page 249: ...r to Removing the Right Cover on page 120 2 Turn on the device on standby to press the test print switch 1 on the right side of the device 3 The engine test chart is printed in the horizontal line patterns on a sheet as shown below Controller test print Overview This product provides the following 6 test chart types to determine causes of faulty images 6 Troubleshooting 241 ...

Page 250: ...e TESTMODE PRINT COUNT Enter the number of sheets to output Settings 1 99 1 TESTMODE PRINT PHASE Select 1 side or 2 side 2 side selected for 1 side devices is invalid Settings 0 1 side 1 2 side 0 TESTMODE PRINT MODE Specify how to form the image to be output Regardless of PG TYPE settings 0 or 1 the image is processed in the fixed meth od Settings 0 T MIC 1 High LPI screen 2 Low LPI screen 3 T BIC...

Page 251: ... adjust nip width Improper nip width however may cause faulty fixing To avoid potential faults confirm the nip width of the fixing assembly in the following steps 1 Output a A4 sheet printed in solid black using the cartridges for this product and bring it to the customer site 2 Set the solid black sheet face down to the cassette of this product 3 Use an external device to print out a solid white ...

Page 252: ...CB Some UST versions meet less numbers of firmware than those listed above Preparation System Requirements OS one of the following Microsoft Windows Server 2003 Microsoft Windows Vista Microsoft Windows Server 2008 Microsoft Windows 7 Microsoft Windows Server 2012 Microsoft Windows 8 PC Compatible to the selected OSMemory RAM 32MB or more free space Hard Disk 100MB or more free space Display 640x4...

Page 253: ...upgrade firmware is shown on the display Select Yes 5 Press OK to automatically restart the device DOWNLOAD MODE is shown on the display 6 Wait for the motor of the host machine to stop NOTE Press STOP key to cancel Download mode and return to the normal operation Downloading System Software 1 Open UST USTUPD exe 2 Take a note of the firmware version to upgrade and click Next button 3 Click Next b...

Page 254: ...g message to start download 7 Click OK button when download is completed 8 Turn off and on the power to restart the device 9 Output the spec report from Service mode to confirm if the firmware version is the same as that on the note taken in Step 2 COPIER FUNCTION MISC P SPEC 6 Troubleshooting 246 ...

Page 255: ...w to connect the device to the external network This is applicable either in a wired LAN environment or a wireless LAN environment Messages The message displayed on the device operation panel is as follows No Error message The timing of oc currence Remedy 1 Job in progress Wait a moment then try again If there is a job being executed 1 Wait until the job is completed 2 Cancel the job 2 Cannot chec...

Page 256: ...ection of debug log is not necessary Conditions for collecting logs Conditions for not being able to collect logs In the following cases the procedure for obtaining logs is not required because logs cannot be obtained Service mode screen cannot be accessed The machine cannot recognize a USB flash drive No USB port is installed in the machine when the model has only a copy function What is necessar...

Page 257: ...ser it is necessary to gain approval from the user before collecting it Also the collected file needs to be handled in the same manner as that for user data necessary for reproduction NOTE The following information is not included in the debug log of the machine Job list job name user name address Communications log address user name Job log user name job name 6 Troubleshooting 249 ...

Page 258: ...Error Jam Alarm 7 Outline 251 Error Codes 252 Jam Code 257 ...

Page 259: ...ince this product does not collect logs for jams and alarms no alarm code is shown Code type Description Reference Error code Shown for any problem occurred in the de vice List of error codes Jam code This code is displayed when a jam occurs inside the machine List of jam codes Alarm code N A Jam code Location code Location information is displayed as 1 digit number as follows Device Location code...

Page 260: ...ng Assembly 3 Replace the DC Controller PCB E003 0001 Title Abnormal low temperature of Fixing Assembly caused by Sub Thermistor Description It was detected that the temperature of the Sub Thermistor of the Fixing Assembly was ab normally low Remedy 1 Check the connector between the Fixing Assembly and the DC Controller PCB 2 Replace the Fixing Assembly 3 Replace the DC Controller PCB E004 0000 Ti...

Page 261: ... The cycle of the Developing Motor speed detection signal did not become the specified cycle since the Developing Motor started to be driven Remedy 1 Check the connector between the Developing Motor and the DC Controller PCB 2 Replace the Developing Motor 3 Replace the DC Controller PCB E052 0000 Title Duplex Unit detection error Description Duplex Unit detection error Remedy 1 Check the connector...

Page 262: ...ller PCB 4 Replace the Toner Cartridge E196 0000 Title DCON ROM error Description The ROM of the DC Controller PCB failed to be updated Remedy 1 Install the set of the controller firmware 2 Replace the DC Controller PCB E196 1000 Title Main Controller PCB writing reading error Description Error in writing reading of main program in the Main Controller PCB Remedy 1 Install the set of the controller...

Page 263: ...emedy 1 Check the connector connection between the Engine Controller PCB and the Main Con troller PCB 2 Install the set of the controller firmware 3 Replace the Main Controller PCB 4 Replace the Engine Controller PCB E736 0000 Title Communication error with CCU modem Description Communication error with CCU modem NCU PCB type error Remedy 1 Install the set of the controller firmware 2 Replace the ...

Page 264: ...ent correction could not be obtained Remedy 1 Install the DC Controller firmware 2 Install the set of the controller firmware 3 Replace the DC Controller PCB E766 9000 Title Scanner power state error firmware dependent Description Error in power state of the Laser Scanner Unit firmware dependent Remedy 1 Install the set of the controller firmware 2 Replace the Laser Scanner Unit E805 0005 Title Du...

Page 265: ...t Sensor PS702 PS703 03 0104 Delay Registration Detection Sensor SR4 03 0105 MP Tray Pre Registration Detection Sensor SR7 03 010C Fixing Delivery Sensor SR8 03 014C Delivery Full Sensor SR15 03 0184 Registration Detection Sensor SR4 03 0208 Stationary Registration Detection Sensor SR4 03 0210 Fixing Delivery Sensor SR8 03 0217 Registration Detection Sensor Fixing Delivery Sensor Fixing Loop Senso...

Page 266: ...elivery Sensor SR8 03 02A4 Duplex revers Registration Detection Sensor SR4 03 1014 Power ON Registration Detection Sensor Fixing Delivery Sensor Fixing Loop Sensor MP Tray Pre Registration Detection Sensor Paper Feeder Pre Registration Detection Sensor SR1 SR4 SR7 SR8 SR10 03 1054 03 1094 03 10D4 03 1118 Door Open Front Cover Sensor Registration Detection Sensor Pre registration Detection Sensor F...

Page 267: ...Service Mode 8 Overview 260 COPIER 264 FEEDER 300 FAX 302 TESTMODE 308 ...

Page 268: ...㼣㼕㼠㼏㼔㻌㼞㼑㼓㼕㼟㼠㼞㼍㼠㼕㼛㼚㻌㼙㼛㼐㼑 㻺㼡㼙㼑㼞㼕㼏㻌㼜㼍㼞㼍㼙㼑㼠㼑㼞㻌㼟㼑㼠㼠㼕㼚㼓㻌㼙㼛㼐㼑 㻺㻯㼁㻌㼜㼍㼞㼍㼙㼑㼠㼑㼞㻌㼟㼑㼠㼠㼕㼚㼓㻌㼙㼛㼐㼑 㻔㻿㼑㼞㼢㼕㼏㼑㻌㼍㼐㼖㼡㼟㼠㼙㼑㼚㼠㻌㼕㼟㻌㼚㼛㼠㻌㼍㼢㼍㼕㼘㼍㼎㼘㼑䠅 㻼㼞㼕㼚㼠㻌㼠㼑㼟㼠㻌㼙㼛㼐㼑 㻲㻭㼄㻌㼠㼑㼟㼠㻌㼙㼛㼐㼑 Backing up Service Mode Each device is tuned at the time of shipment and the tuned values are written on the service label However when replacing the main controller PCBs DC controller PCBs or clearing RAM tuned ADJUST and OPTION values are reset to ...

Page 269: ...p category screen Return key Category Sub category selection screen Scroll the screen Flick the screen 63 2 867 81 7 21 237 21 Go to Item selection screen Tap the screen Go to Initial screen Return key Item selection screen Select the item Flick the screen 3 6 9 6 15 Go to Numeric value entry screen Tap the screen Go to Category Sub category selection screen Return key 8 Service Mode 261 ...

Page 270: ...e in the following cases Service mode is not used on LUI There is no user who has been logged in to the remote UI service mode this function Remote UI is enabled in the setting of LUI Setting Menu System Management Settings Remote UI On Off RMT SW is enabled in service mode Enabled when the setting value is 1 COPIER OPTION BODY RMT SW remote UI service mode function 0 OFF 1 ON default Usage method...

Page 271: ...OTE After login if you close the browser without logout it is recognized that you have been logged in Therefore in order to log in to service mode again you must wait for a certain period of time 3 minutes from the last access to make the system timeout or turn OFF ON the power 8 Service Mode 263 ...

Page 272: ... DEMODATA Title Demo print data version Details To display the version of demo print data Since this machine does not have demo print function FF FF is displayed Use case When upgrading the firmware Adj set operate method N A Display only Display adj set range 00 01 to 99 99 ECONT Title ECONT version Details To display the version of Engine Controller PCB Use case When upgrading the firmware Adj s...

Page 273: ...ce mode COPIER ADJUST CCD DFTAR G TARGET R Title Shading target value R Details To display the shading target value of Red Continuous display of 128 minimum or 384 maximum is considered a failure of the CIS Unit Use case At scanned image failure Adj set operate method N A Display only Display adj set range 128 to 384 Default value 263 Related service mode COPIER ADJUST CCD DFTAR R TARGETBW Title S...

Page 274: ...horizontal scanning direction Details To adjust the image reading start position in the horizontal scanning direction at copyboard reading When replacing the Main Controller PCB enter the value of service label When the non image width is larger than the standard value set the smaller value When out of original area is copied set the larger value As the value is incremented by 1 the image position...

Page 275: ...e method Enter the setting value switch negative positive by key and press Apply key Caution After the setting value is changed write the changed value in the service label Display adj set range 20 to 20 Unit 0 1 mm Default value 0 Related service mode COPIER FUNCTION INSTALL STRD POS CCD COPIER ADJUST CCD Item Description OFST BW0 Title Adjustment of CIS Rear at B W reading Details To adjust the ...

Page 276: ...0 to 255 Default value 8 Related service mode COPIER FUNCTION CCD CL AGC OFST CL2 Title Adjustment of CIS Front at color reading Details To adjust the offset of the CIS Front when reading color original When replacing the Main Controller PCB clearing the RAM data enter the value of service label Use case When replacing the Main Controller PCB clearing RAM data Adj set operate method Enter the sett...

Page 277: ...32 Default value 1000 Related service mode COPIER FUNCTION CCD BW AGC LED CL R Title Adjustment of LED light up time R at color reading Details To adjust the red color LED lighting time when reading color original When replacing the Main Controller PCB clearing the RAM data enter the value of service label Use case When replacing the Main Controller PCB clearing RAM data Adj set operate method Ent...

Page 278: ...adjust the offset of C color test print reading signal at Auto Adjust Gradation Full Adjust When replacing the Main Controller PCB clearing the RAM data enter the value of service label As the greater value is set the image after adjustment gets darker Use case When replacing the Main Controller PCB clearing RAM data Adj set operate method Enter the setting value switch negative positive by key an...

Page 279: ...ng value of Bk color developing bias Use case When an image failure occurs Adj set operate method Enter the setting value switch negative positive by key and press Apply key Display adj set range 5 to 5 Default value 0 Related service mode COPIER ADJUST VIFADJ DEV HV Y COPIER ADJUST VIFADJ DEV HV M COPIER ADJUST VIFADJ DEV HV C TR1 HV Y Title Adjustment of primary transfer bias setting value Y Det...

Page 280: ...e method Enter the setting value switch negative positive by key and press Apply key Display adj set range 5 to 5 Default value 0 Related service mode COPIER ADJUST VIFADJ TR2BK HV TR2BK HV Title Adjustment of secondary transfer bias setting value back side Details To adjust the setting value of secondary transfer bias back side Use case When an image failure occurs Adj set operate method Enter th...

Page 281: ...23 to 1023 Default value 0 SUB S K0 Title Adjustment of emitting position 1 Bk in the vertical scanning direction Details To adjust the Bk color emitting position 1 in the vertical scanning position Use case When replacing the Laser Scanner Unit enter the value written on the label included in the package of the Laser Scanner Unit Adj set operate method Enter the setting value switch negative posi...

Page 282: ...ser Scanner Unit enter the value written on the label included in the package of the Laser Scanner Unit Adj set operate method Enter the setting value switch negative positive by key and press Apply key Display adj set range 1023 to 1023 Default value 0 SUB S C2 Title Adjustment of emitting position 3 C in the vertical scanning direction Details To adjust the C color emitting position 3 in the ver...

Page 283: ...or scan time 2 in the horizontal scanning direction Use case When replacing the Laser Scanner Unit enter the value written on the label included in the package of the Laser Scanner Unit Adj set operate method Enter the setting value switch negative positive by key and press Apply key Display adj set range 511 to 511 Default value 0 MAI S M1 Title Adjustment of scan time 2 M in the horizontal scann...

Page 284: ...ting value switch negative positive by key and press Apply key Display adj set range 127 to 127 Default value 0 MAI S K2 Title Adjustment of scan time 3 Bk in the horizontal scanning direction Details To adjust the Bk color scan time 3 in the horizontal scanning direction Use case When replacing the Laser Scanner Unit enter the value written on the label included in the package of the Laser Scanne...

Page 285: ...e to execute this item after DF WLVL1 Related service mode COPIER ADJUST CCD DFTAR R COPIER ADJUST CCD DFTAR G COPIER ADJUST CCD DFTAR B COPIER FUNCTION CCD DF WLVL1 DF WLVL3 Title White level adj in book mode B W Details To adjust the white level for copyboard scanning automatically by setting the paper which is usually used by the user on the Copyboard Glass Use case When replacing the Copyboard...

Page 286: ...When replacing the CIS Unit Related service mode COPIER FUNCTION CCD CL AGC COPIER ADJUST CCD OFST BW0 COPIER ADJUST CCD OFST BW1 COPIER ADJUST CCD OFST BW2 COPIER ADJUST CCD GAIN BW0 COPIER ADJUST CCD LED BW R COPIER ADJUST CCD LED BW G COPIER ADJUST CCD LED BW B CLEAR COPIER FUNCTION CLEAR Item Description R CON Title Initialization of Reader ADF Details To initialize the factory adjustment valu...

Page 287: ...N CLEAR CARD clear the information on connection of the Copy Card Reader F1 4 Execute COPIER FUNCTION CLEAR E719 CLR 5 Turn OFF the main power 6 Remove the Card Reader F1 7 Turn ON the main power Related service mode COPIER FUNCTION CLEAR CARD ALL Title Clearing of setting information Details Clear initialize the following setting information according to the location set in COPIER OPTION BODY LOC...

Page 288: ...tem data list system dump list Details To execute report output of the system data list and the system dump list System data list The service software switches and parameters used in FAX function System dump list The number of sends receives the number of pages sent received the number of sheets printed read the number of errors etc Adj set operate method Select the item and then press Yes key SYS...

Page 289: ...Adj set operate method Select the item and then press Yes key Fax model only SYSTEM COPIER FUNCTION SYSTEM Item Description PANEL UP Title Download from USB memory PANEL Details To perform downloading when PANEL exists in the root directory of the USB memory Use case At upgrade Adj set operate method 1 Install the USB memory 2 Select the item and then select Yes 3 Turn OFF and the ON the main powe...

Page 290: ...Apply key Display adj set range 0 to 1 0 OFF 1 ON Default value 0 FEED IMP Title Execution of pickup jam reduction mode Details When using paper with which double feed is more likely to occur pickup operation cannot be performed at the appropriate timing because of double feed As a result of that pickup delay jam may occur In this case extend the pickup interval Jam occurrence can be prevented but...

Page 291: ...hen backup data which has been left for a long period of time is restored it is overwritten with the old setting data and the new data is deleted Related service mode COPIER FUNCTION SYSTEM RSTR DCN RSTR DCN Title Restoration of Engine Controller PCB NVRAM Details To restore backup information of the Engine Controller PCB NVRAM stored in the Main Controller PCB NVRAM to the Engine Controller PCB N...

Page 292: ...N Default value 0 SPL14682 Title Execution of image fogging prevention mode 1 Details To change the developing bias Use case When toner is lightly transferred to the white area in case of printing an image with large white area using glossy paper Adj set operate method Select the item and then press Apply key Display adj set range 0 to 1 0 OFF 1 ON Default value 0 Related service mode COPIER FUNCT...

Page 293: ...t range 0 to 1 0 OFF 1 ON Default value 0 SPL37510 Title ON OFF of ITB cleaning at paper size mismatch Details Normally when paper other than that of the specified size is fed ITB cleaning is executed to remove toner When 1 is set ITB cleaning is not executed even if paper size is mismatched Productivity improves but toner soiling may occur Use case When paper size is mismatched Adj set operate me...

Page 294: ...dj set range 0 to 20 Unit 0 1 mm Default value 0 Related service mode COPIER FUNCTION SPLMAN SPL68677 SPL93822 Title Setting of department ID count all clear Details To set whether to disable clearing of all department ID counts Adj set operate method 1 Enter the setting value and then press Apply key 2 Turn OFF ON the main power switch Caution Be sure to perform this mode after consulting with th...

Page 295: ...Sleep Time Use case When changing the setting time to shift to auto sleep mode Adj set operate method 1 Enter the setting value and then press Apply key 2 Turn OFF ON the main power switch Display adj set range From 0 Default for Europe to 60 min From 1 Default for locations other than Europe to Maximum value for each model Default value 1 SPL80100 Title Mask setting at copyboard scanning Details ...

Page 296: ...just the ADF scanning position automatically Use case At ADF installation uninstallation Adj set operate method 1 Set a paper for stream reading position adjustment and then close the ADF 2 Select the item and then press Yes key The operation automatically stops after the adjustment 3 Write the value displayed by COPIER ADJUST ADJ XY STRD POS in the service label Caution Write the adjusted value i...

Page 297: ...L COM RSLT COPIER FUNCTION INSTALL COM LOG Supplement memo Embedded RDS Function to send device information such as the device counter failure and con sumables to UGW via SOAP protocol UGW Universal Gate Way Remote monitoring service system COM RSLT Title Embedded RDS communication test result Details To display the Embedded RDS communication test result Use case When using E RDS Adj set operate m...

Page 298: ...ecuted when changing the location the setting informa tion of user mode service mode etc is initialized The setting information of this item is not initialized Display adj set range 1 to 10 1 Japan 2 North America 3 Korea 4 China 5 Taiwan 6 Europe 7 Asia 8 Oceania 9 Brazil 10 Latin Default value 1 Related service mode COPIER FUNCTION CLEAR ALL COPIER OPTION BODY SIZE LC SIZE LC Title Setting of pa...

Page 299: ...rver dependent 1 Not used Default value 0 Supplement memo SMTP authentication Protocol in which user authentication function is added to SMTP which is the pro tocol to be used for e mail transmission At the time of e mail transmission this protocol executes authen tication of the user account and the password between the SMTP server and the user to approve e mail transmission only when it s authen...

Page 300: ...ate method 1 Enter the setting value and then press Apply key 2 Turn OFF ON the main power switch Display adj set range 0 to 2 0 Password is not required 1 Password for service engineer is required 2 Passwords for service engineer and system administrator at user s site are required Default value 0 SM PSWD Title Password for service engineer Details To set the password for service technician in 8 ...

Page 301: ...s Apply key Display adj set range 100 to 200 Default value 100 DSPL SW COPIER OPTION DSPL SW Item Description CRGLW LV Title SW to display hide the setting menu user mode of toner low threshold value Details To switch whether to display the menu to set the threshold value in user mode which generates toner low Adj set operate method Enter the setting value and then press Apply key Display adj set ...

Page 302: ...patibility with existing machine regarding image process or print specification with PS print Setting of a value other than the setting values means that multiple settings are combined Ex ample 7 1 2 4 Use case At replacement Adj set operate method 1 Enter the setting value and then press Apply key 2 Turn OFF ON the main power switch Display adj set range 0 to 63 1 Compatible with PS Type3 dither ...

Page 303: ...since the serial number of the device is not succeeded Use case When replacing the Main Controller PCB Adj set operate method 1 Write down the current data in System Settings Device Information Location in user mode 2 After turning OFF the main power replace the Main Controller PCB 3 Enter the serial number 8 digit alphanumeric in Location of step 1 4 Execute SN MAIN After writing the serial numbe...

Page 304: ...COPIER COUNTER TOTAL TTL PDL PRT Title PDL print counter Details To count up when the PDL print is delivered outside the machine 2 sided printout is stacked The counter is advanced regardless of the original size The counter is not advanced by blank paper or delivery in service mode Display adj set range 0 to 99999999 Unit Number of sheets Default value 0 Related service mode COPIER COUNTER TOTAL ...

Page 305: ...t advanced by delivery in service mode Display adj set range 0 to 99999999 Unit Number of times Default value 0 FAX model only PICK UP COPIER COUNTER PICK UP Item Description C1 Title Cassette 1 pickup total counter Details To count up the number of sheets picked up from the Cassette 1 standard Pickup Cassette The counter is advanced regardless of the original size The counter is advanced by print...

Page 306: ...l jam counter Details To count up the number of total jam occurrences Use case When checking the total jam counter of printer Display adj set range 0 to 99999999 Unit Number of times Default value 0 FEEDER Title ADF total jam counter Details When checking the total jam counter of ADF Display adj set range 0 to 99999999 Unit Number of times Default value 0 2 SIDE Title Duplex Unit jam counter Detai...

Page 307: ...unt up the number of sheets to be fed regardless of 1 sided 2 sided mode Accumulated counter value Use case When checking the consumption level of parts replacing the parts Adj set operate method To clear the counter value Select the item and then enter 0 Press Apply key Caution Clear the counter value after replacement Display adj set range 0 to 99999999 Unit Number of sheets Default value 0 DF S...

Page 308: ...key and press Apply key Display adj set range 200 to 200 Unit 0 01 Default value 0 DOCST2 Title Fine adjustment of VSYNC timing at ADF reading back side Details To make a fine adjustment of the VSYNC timing when reading the back side of original with ADF Execute this item when the output image after ADF installation is displaced When replacing the Main Controller PCB clearing RAM enter the value o...

Page 309: ... of ADF Motor Details To start operation check of ADF Motor M702 Use case At operation check Adj set operate method 1 Select the item and then press Yes key It is driven for approximately 5 seconds and is automat ically stopped 2 Press Yes key The operation check is completed Required time 5 secons FEED ON Title Operation check of ADF individual feed Details To start operation check of the ADF ind...

Page 310: ... to 11 Not in use SW 12 Switch relating to settings for page timer Bit 0 Timeout period for 1 page transmission Bit 1 Timeout period for 1 page transmission Bit 2 Timeout period for 1 page Halftone transmission Bit 3 Timeout period for 1 page Halftone transmission Bit 4 Timeout period for 1 page Reception Bit 5 Timeout period for 1 page Reception Bit 7 Timeout period for 1 page SW 13 Bit 2 Executi...

Page 311: ...per limit of V 34 modulation speed 0 to 5 0 3429 BAUD 1 3200 BAUD 2 3000 BAUD 3 2800 BAUD 4 2743 BAUD 5 2400 BAUD 09 Upper limit of V 34 data speed 0 to 13 0 33 6 kbps 1 31 2 kbps 2 28 8 kbps 3 26 4 kbps 4 24 0 kbps 5 21 6 kbps 6 19 2 kbps 7 16 8 kbps 8 14 4 kbps 9 12 0 kbps 10 9 6 kbps 11 7 2 kbps 12 4 8 kbps 13 2 4 kbps 10 OFF Hook signal frequency 0 to 2 0 50 Hz 1 25 Hz 2 17 Hz 11 to 20 Not in ...

Page 312: ...e the answering device is activated 0 to 999 26 to 28 Not in use 29 Off hook PCB duty settings For NAC setting can be made with SPL71100 in special management mode 20 10ms 30 to 48 Not in use 49 NSX MODEL ID 0 to 4095 50 Not in use 51 Threshold to detect hook 10 to 9999 52 Not in use 53 Set DTMF calling counts when receiving FAX remotely 10 to 9999 default 25 54 Set Busy Tone outgoing duration whe...

Page 313: ...ion Detected Not detected Numeric value parameter Parameter No Function Setting range 01 T0 timer 0 to 9999 x 10 msec 02 T1 timer 0 to 9999 x 10 msec 03 T2 timer 0 to 9999 x 10 msec 04 T3 timer 0 to 9999 x 10 msec 05 T4 timer 0 to 9999 x 10 msec 06 Signal detection table 0 to 16 07 Signal detection level 0 to 7 08 Number of signal frequency 0 to 9999 2nd DIAL TONE Not in use BUSY TONE 0 Bit Switch...

Page 314: ...h Bit No Function 1 0 Bit 0 Bit 1 Bit 2 Signal frequency Changed Not changed Bit 3 Bit 4 Judgment of intermittent signal start from valid ON signal start from either valid ON signal or OFF signal Bit 5 Bit 6 Signal form Continuous Intermittent Bit 7 Signal detection Detected Not detected Numeric value parameter Parameter No Function Setting range 01 02 T1 timer 0 to 9999 x 10 msec 03 T2 timer 0 to...

Page 315: ...er Parameter No Description Setting range 01 At F T switching CNG MIN ON time 0 to 9999 x10 msec 02 CNG MAX ON time 0 to 9999 x 10 msec 03 04 05 06 07 At direct connecting to answering phone CNG MIN ON time 0 to 9999 x 10 msec 08 CNG MAX ON time 0 to 9999 x 10 msec 09 Tolerable time of instantaneous interrup tion 0 to 9999 x 10 msec 10 11 Number of detection 0 to 9999 times 12 Hit ratio 0 to 9999 ...

Page 316: ... machine that only supports 1 sided print the setting is disabled Use case At trouble analysis Adj set operate method Enter the setting value and then press Apply key Display adj set range 0 to 1 0 1 sided 1 2 sided Default value 0 MODE Title Setting of test print image formation method Details To set the image formation method for the test print If PG TYPE is 0 1 this setting is disabled because ...

Page 317: ... trouble analysis Adj set operate method Enter the setting value and then press Apply key Display adj set range 0 to 1 0 OFF 1 ON Default value 0 Supplement memo Interpolation process A process to predict for pixels holding no color information color based on the surrounding pixels and then set up the color information FEED Title Setting of paper source at test print Details To set the paper sourc...

Page 318: ...to 7 0 All OFF 1 CIST2 ON OFF 2 C1 ON OFF 3 NORG ON OFF 4 DCSEL ON OFF 5 DCLIM ON OFF 6 IPSEL1 ON OFF 7 IPSEL2 ON OFF Default value 0 Related service mode TESTMODE FAX MODEM RELAY 1 FREQ Title To test whether the specified frequency is oscillated By closing or opening the DC circuit in accordance with the setting value the specified frequency is oscil lated by the tone transmission function of the...

Page 319: ...he test Display adj set range 0 to 12 0 OFF 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 0 11 12 Default value 0 Supplement memo DTMF Dual Tone Multi Frequency Signal method combining two specific frequencies like a push tone phone V34G3TX Title V 34 G3 signal transmission test Details To test whether the specified V 34 G3 signal is transmitted By closing or opening the DC circuit in accordance with the...

Page 320: ...it the specific G3 signal pattern is transmitted at 4800 bps by the G3 signal transmission function Check this with the speaker Adj set operate method Enter the setting value and then press Apply key Caution Be sure to set the value back to 0 after the test Display adj set range 0 to 1 0 OFF 1 ON Default value 0 DETECT1 Title Ring detection Details To check the ON OFF state of CI FC and hook from ...

Page 321: ...installed at the NCU Network Control Unit Board to switch between the telephone and fax DETECT3 Title Calling tone detection test 2 Details To check calling tone signal and FED Set the CML relay to OFF and detect the calling tone The detection results are displayed on the console UART Adj set operate method Enter the setting value and then press Apply key Caution Be sure to set the value back to 0...

Page 322: ...APPENDICES Service Tools 315 General Circuit Diagram 316 Print Sequence 317 Backup Data 318 ...

Page 323: ...tension when making electrical checks Solvents and Oils The table below lists the standard tools required in service works for this product No Name of Tool Use Remarks 1 Alcohol Cleaning Plastic Rubber Metal part Oil stain Toner stain Keep away from flame Purchase locally 2 Lubricant Apply to gear HY9 0007 MOLYCOTE EM 50L 3 Lubricant Apply to ADF scanning area FY9 6020 Oil glass clean er Service T...

Page 324: ... 3 3V_A GND SDA SCL INT GND 3 3V GND DP DM VBUS GND YP XN YN XP 23 J130 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 1 4 2 3 5 6 7 8 21 20 19 18 17 16 15 14 13 12 11 10 9 23 J912 23 22 8 7 6 5 3 2 1 4 17 J910 2 3 4 5 1 J908 4 J909 4 1 2 3 1 2 8 J911 4 3 5 6 7 8 24 28 26 20 18 16 1 2 3 4 5 6 7 8 9 10 11 13 15 17 19 21 23 25 27 12 14 22 J924 MT21 1 2 3 4 5 6 7 8 9 10 11 13 15 12 14 J901 12 11 10 9 8 ...

Page 325: ...ickup solenoid SL2 Development contact solenoid SL3 Registration sensor SR4 Fixing delivery sensor SR5 Vertical sync signal TOP Primary charging bias Development bias Y M C Development bias Bk Primary transfer bias Y Primary transfer bias M C Primary transfer bias Bk Secondary transfer bias 0 7 3 6 4 5 5 2 1 7 2 5 2 0 0 2 11 5 2 2 4 7 4 5 1 0 9 2 2 9 4 0 3 6 1 2 1 0 ATVC Print command Operatio n s...

Page 326: ...t tings Main Control ler Clear Clear Clear Clear 8 Yes Remote UI PC USB memory No Key and Certificate Main Control ler Clear Clear 7 Clear No No Serial Number Main Control ler Clear No No Job History Main Control ler Clear Clear Clear No No Service mode Service mode setting values Reader Main Control ler Clear Clear No No Service mode setting values Main Controller Main Control ler Clear Clear Cle...

Page 327: ... of IEEE802 1X and the SSL setting are changed to OFF 8 The system administrator ID and the password are changed back to the default values ID 0 PWD 0 9 FUNCTION SYSTEM IMPORT FUNCTION SYSTEM EXPORT 10 FUNCTION VIFFNC STOR DCN FUNCTION VIFFNC STOR DCN Backup Data 319 ...

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