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Summary of Contents for Brother DCP-8070D
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Page 1: Service Manual
Laser FAX/MFC SERVICE MANUAL MODEL: DCP- 8070D/8080DN/8085DN MFC-8370DN/8380DN MFC-8480DN/8880DN/8890DW Read this manual thoroughly before maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. September 2009 SM-FAX105 8C5D01 Confidential...
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Page 2
TRADEMARKS The Brother logo is a registered trademark of Brother Industries, Ltd. Apple and Macintosh are trademarks of Apple Inc., registered in the United States and other countries. PCL is either a trademark or a registered trademark of Hewlett-Packard Company in the United States and other countries.
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Page 3: Models & Features
DCP- DCP- DCP- MFC- MFC- MFC- MFC- MFC- Model 8070D 8080DN 8085DN 8370DN 8380DN 8480DN 8880DN 8890DW Duplex Print/ Yes/No Yes/No Yes/Yes Yes/No Yes/Yes Yes/No Yes/Yes Yes/Yes Scan Wired/ Network Wired Wired Wired Wired Wired Wired Wireless Document Scanner Module Confidential...
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Page 4
Multi-Function Center (hereinafter referred to as "the machine"). This information is vital to the service personnel to maintain the high printing quality and performance of the machine. This service manual covers the DCP-8070D/8080DN/8085DN, MFC-8370DN/8380DN/ 8480DN/8880DN/8890DW machines. This manual consists of the following chapters:...
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Page 5
CHAPTER 8: CIRCUIT DIAGRAMS, WIRING DIAGRAM Provides the Circuit Diagrams and Wiring diagram for the connections of the PCBs. APPENDIX 1: WORKER SWITCH (WSW) APPENDIX 2: DELETION OF USER SETTING INFORMATION, etc. Provides instructions on how to delete such as user setting information recorded in the machine.
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Page 6
REGULATION For Europe and Other countries Radio interference (220 to 240 volt model only) This machine follows EN55022 (CISPR Publication 22)/Class B. Before you use this product, make sure that you use one of the following interface cables. (1) A shielded parallel interface cable with twisted-pair conductors and that it is marked IEEE 1284 compliant.
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Page 7
Internal laser radiation Maximum radiation power: 5 mW Wave length: 770 - 810 nm Laser class: Class 3B EU Directive 2002/96/EC and EN50419 (European Union only) This equipment is marked with the above recycling symbol. It means that at the end of the life of the equipment you must dispose of it separately at an appropriate collection point and not place it in the normal domestic unsorted waste stream.
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Page 8
Important A shielded interface cable should be used to ensure compliance with the limits for a Class B digital device. Changes or modifications not expressly approved by Brother Industries, Ltd. could void the user's authority to operate the equipment. Confidential...
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Page 9
FDA regulations and must be attached to laser products marketed in the United States. MANUFACTURED: Brother Technology (Shenzhen) Ltd. NO6 Gold Garden Ind., Nanling Buji, Longgang, Shenzhen, China This product complies with FDA performance standards for laser products except for deviations pursuant to Laser Notice No.50, dated July 26, 2001.
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Page 10: Safety Precautions
SAFETY PRECAUTIONS To use the machine safely Please keep these instructions for later reference and read them before attempting any maintenance. Note : If there are faxes in the machine's memory, you need to print them or save them before you turn off the power and unplug the machine.
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Page 11
WARNING DO not use any type of spray to clean inside or outside of the machine. Doing this may cause a fire or electrical shock. WARNING - When you move the machine, grasp the side hand holds that are under the scanner. DO NOT carry the machine by holding it at the bottom.
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Page 12
CHOOSING A LOCATION Place your machine on a flat, stable surface that is free of vibration and shocks, such as a desk. Put the machine near a telephone wall jack and a standard, grounded AC power outlet. Choose a location where the temperature remains between 50°F and 90.5°F (10°C and 32.5°C).
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Page 13
CHAPTER SPECIFICATIONS...
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Page 14: Table Of Contents
CHAPTER 1 SPECIFICATIONS This chapter lists the specifications of each model, which enables you to make a comparison of different models. CONTENTS 1. COMPONENTS ......................1-1 2. SPECIFICATIONS LIST ....................1-2 2.1 Printing ........................1-2 2.2 Functions ....................... 1-5 2.3 Electronics and Mechanics.................. 1-12 2.4 Network Connectivity...................
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Page 15: Components
1. COMPONENTS The equipment consists of the following major components: < CCD model > < CIS model > ADF Unit ADF Unit Scanner Unit Scanner Scanner Unit Dress Cover R Panel Unit NCU Cover Speaker ASSY NCU PCB Panel Unit Scanner Dress Cover L Joint Cover ASSY Speaker ASSY...
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Page 16: Specifications List, Printing
2. SPECIFICATIONS LIST Printing Model 8080DN 8085DN 8480DN 8880DN 8890DW Print method Electrophotography by semiconductor laser beam scanning Laser Method: 1 polygon motor, 1 laser beam Wavelength: 770 nm - 810 nm Output: 5 mW (Max) Laser class: Class3 B Resolution ®...
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Page 17
Model DCP8070D MFC8370DN MFC8380DN Print method Electrophotography by semiconductor laser beam scanning Laser Method: 1 polygon motor, 1 laser beam Wavelength: 770 nm - 810 nm Output: 5 mW (Max) Laser class: Class3 B Resolution ® 1200 dpi Windows 2000/XP/ XP Professional x64 Edition, Windows HQ1200 ®...
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Page 18
Model DCP8070D MFC8370DN MFC8380DN Consumable Toner cartridge Life expectancy: Standard: 3,000 pages/cartridge High-capacity: 8,000 pages/cartridge * When printing A4/Letter size paper in accordance with ISO/IEC 19752. Shelf life: 2 years without opening (6 months after opening) Drum unit Life expectancy: 25,000 pages/drum unit Life expectancy will vary depending on number of continuous printing pages.
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Page 19: Functions
Functions <Controller> Model 8080DN 8085DN 8480DN 8880DN 8890DW 300 MHz Back up Clock Yes (up to 60 hours) Memory Standard 64 MB Option 1 DIMM slot; expandable up to 576 MB Backup Yes (up to 60 hours) Interface IEEE 1284 Parallel, Hi-Speed USB 2.0, IEEE 1284 Ethernet 10/100 BASE-TX, USB Host Parallel,...
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Page 20
66 scalable fonts ® (PostScript 3™) Download from http://solutions.brother.com. Code39, Interleaved 2 of 5, FIM (US-PostNet), Post Net (US-PostNet), EAN-8, EAN-13, UPC-A, UPC-E, Codabar, ISBN (EAN), ISBN (UPC-E), Code128 (set A, set B, set C), EAN128 (set A, set Specifications are subject to change without notice.
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Page 21
X 10.3.9 or greater) Linux Linux printer driver for CUPS printing system (x86, x64 environment) Linux printer driver for LPD/LPRng printing system (x86, x64 environment) Utility Driver Deployment Wizard Download from http://solutions.brother.com. Model DCP8070D MFC8370DN MFC8380DN ® Printer driver Windows...
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Page 22
Page Manager 7 ® Macintosh Linux <PC-Fax> Model 8080DN 8085DN 8480DN 8880DN 8890DW ® Windows Send (FaxShare Software by Brother) Receive Send ® Macintosh (FaxShare Software by Brother) Receive Linux Send (LPR / CUPS PC-FAX Send Driver) Receive Download from http://solutions.brother.com. Model...
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Page 23
Network Remote Setup BRAdmin BRAdmin Light, Web BRAdmin Light, Web Base ® Macintosh Base Management Management, Network Remote Setup Linux Web Base Management Download from http://solutions.brother.com. Model DCP8070D MFC8370DN MFC8380DN ® Windows BRAdmin Light, Web Base Management, BRAdmin Professional , Web BRAdmin...
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Page 24: Direct Print Feature
MFC8380DN Direct Print PDF version1.7 , JPEG, Exif+JPEG, PRN (created by own printer driver), TIFF (Scanned by Brother model), XPS version 1.0. PDF data including a JBIG2 images files, a JPEG2000 image file or transparency files are not supported. Specifications are subject to change without notice.
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Page 25
<System requirements> Available Recom- Computer Platform & Minimum Hard Processor Speed mended Operating System Version Disk Space ® ® ® Windows Windows Intel Pentium 4 or 512MB 50MB ® Vista equivalent 64-bit supported CPU Windows AMD Opteron™ 256MB 512MB 50MB ®...
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Page 26: Electronics And Mechanics
Electronics and Mechanics Model 8080DN 8085DN 8480DN 8880DN 8890DW Power Copying Average 680 W at 25 °C (77 °F) consumption Ready Average 85 W at 25 °C (77 °F) Sleep Average Average Average 16 W at 25 °C 18 W at 25 °C 19 W at 25 °C Noise level...
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Page 27
Model DCP8070D MFC8370DN MFC8380DN Power Copying Average 570 W Average 570 W (25°C) consumption (25°C) Ready Average 80 W Average 80 W (25°C) (25°C) Sleep Average 9 W Average 11 W (25°C) (25°C) Noise level Sound Pressure ADF copy: 56 dB (A) Ready: 30 dB (A) Sound Power ADF copy: 6.95 B (A)
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Page 28: Network Connectivity
Mac OS X 10.3.9 or greater printing Management utility BRAdmin Professional 3 for Windows (Brother original Windows utility for printer and server management) Web BRAdmin for Windows (Server based management utility / Windows IIs (4.0/5.0) mode only) Web Based Management (Printer and print server management through web browser) recommend Microsoft Internet Explorer 6.0 (or greater), Fire fox 1.0 (or...
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Page 29: Wireless Network
Microsoft Internet Explorer 6.0 (or greater), Fire fox 1.0 (or greater) for Windows Safar: 1.2 (or greater) for Macintosh A wireless network connection is supported only between the Brother printer and an ® ® access point for PC's running Windows Server 2003 x64 Edition and Windows Professional x64 Edition.
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Page 30: Service Information
Service Information These are key service information to maintain the product. Machine life: 200,000 pages MTBF (Meantime between failure): 4000 hours MTTR (Meantime to repair): Average 0.5 hours Maximum monthly volume: 30,000 pages Periodical maintenance parts: Parts Approximate Life (pages) ADF unit 50,000 or 5 years Document Scanner unit...
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Page 31: Paper, Paper Handling
Paper 2.6.1 Paper handling Model 8080DN 8085DN 8480DN 8880DN 8890DW Paper Standard 250 sheets Input tray Multi- 50 sheets (Plain)/ 3 sheets (Envelope) purpose tray Option 250 sheets Up to 50 sheets (Xerox4024 20lbs, environment: temp. 20-30C Humidity 50-70%) Paper Face-down 150 sheets Output Face-up...
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Page 32: Media Specifications
2.6.2 Media specifications Model 8080DN 8085DN 8480DN 8880DN 8890DW Media type Paper tray Plain paper, Bond paper, Recycled paper, (Standard) Transparencies , Thin paper Multi-purpose Plain paper, Thick paper, Bond paper, Recycled paper, tray Envelope , Label, Transparencies , Thin paper Optional tray Plain paper, Bond paper, Recycled paper, Thin paper Duplex...
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Page 33
Model DCP8070D MFC8370DN MFC8380DN Media type Paper tray Thin Paper, Plain Paper, Bond Paper, Recycled Paper, (Standard) Transparencies Multi-purpose Thin Paper, Plain Paper, Thick Paper, Bond Paper, tray Recycled Paper, Envelopes, Labels, Transparencies Optional tray Thin Paper, Plain Paper, Bond Paper, Recycled Paper Duplex...
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Page 34: Type And Size Of Paper
2.6.3 Type and size of paper The machine loads paper from the installed paper tray or the multi-purpose tray. The name s for the paper trays in the printer driver as follows; The name for the paper trays The name for the paper trays in the printer driver Paper tray (T1) Tray 1...
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Page 35
<Media type> Choose the Tray 1/2 MP Tray Duplex media type from the printer driver Plain paper Plain paper 75 to 105 g/m (20 to 28 lb) Recycled paper Recycled paper Bond paper Bond paper Rough paper- 60 to105 g/m 60 to161 g/m 60 to 161 g/m (16 to 28 lb.)
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Page 36: Printable Area
Printable Area PCL emulation When using PCL emulation, the edges of the paper that cannot be printed on are shown below. Portrait Physical page Printable area Logical page Physical page length Maximum logical page length Distance from edge of physical page to edge of logical page Note : •...
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Page 37
The table below shows the printable areas when printing on Portrait for each paper size. Size Letter 215.9mm 279.4mm 203.2mm 279.4mm 6.3mm 4.2mm 8.5" 11.0" 8.0" 11.0" 0.2" 0.16" (2,550dots) (3,300dots) (2,400dots) (3,300dots) (75dots) (50dots) Legal 215.9mm 355.6mm 203.2mm 355.6mm 4.2mm ↑...
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Page 38
Size A5 Long 210.0mm 148.5mm 198.0mm 148.5mm 6.0mm 4.2mm 8.27" 5.85" 7.79" 5.85" 0.2" 0.16" (2,480dots) (1,754dots) (2,338dots) (1,754dots) (71dots) (50dots) DL Long 220.0mm 110.0mm 207.0mm 110.0mm 6.26mm 4.2mm Edge 8.66" 4.33" 8.17" 4.33" 0.25" 0.16" (2,598dots) (1,299dots) (2,450dots) (1,299dots) (74dots) (50dots) 76.2mm...
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Page 39
Landscape Physical page Printable area Logical page Physical page length Maximum logical page length Distance from edge of physical page to edge of logical page Note : • "Logical page" shows the printable area for a PCL driver. • "Printable area" shows mechanical printable area of the machine. •...
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Page 40
The table below shows the printable areas when printing on Landscape for each paper size. Size Letter 279.4mm 215.9mm 269.3mm 215.9mm 5.0mm 4.2mm 11.0" 8.5" 10.6" 8.5" 0.2" 0.16" (3,300dots) (2,550dots) (3,180dots) (2,550dots) (60dots) (50dots) Legal 355.6mm 215.9mm 345.5mm 215.9mm 4.2mm ↑...
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Page 41
Size A5 Long 148.5mm 210.0mm 138.5mm 210.0mm 5.0mm 4.2mm 5.58" 8.27" 5.45" 8.27" 0.20" 0.16" (1,754dots) (2,480dots) (1,636dots) (2,480dots) (60dots) (50dots) DL Long 110mm 220mm 102mm 220mm 4.0mm 4.2mm Edge 4.33" 8.66" 4.00" 8.66" 0.16" 0.16" (1,299dots) (2,598dots) (1,199dots) (2,598dots) (50dots) (50dots) 127mm...
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Page 42: Print Speeds With Various Settings
Print Speeds with Various Settings (CCD model) Print speed is up to 30 ppm for A4 size and 32ppm for Letter size when loading A4 or Letter size paper from the paper tray in the plain paper mode. Actual print speed varies depending on the media type or paper size as shown in the tables below;...
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Page 43
(CIS model) Print speed is up to 28 or 30 ppm for A4 and Letter size when loading A4 or Letter size paper from the paper tray in the plain paper mode. Actual print speed varies depending on the media type or paper size as shown in the tables below;...
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Page 44: Telephone
Telephone Model 8480DN 8880DN 8890DW 8370DN 8380DN Handset Chain Dialing Automatic Redial PBX Feature No (Europe:Yes) Speaker Phone Hold/Mute Key Music on Hold Handset Volume Speaker Volume Yes (3 steps + OFF) Ring Volume Yes (3 steps + OFF) Beeper Volume Yes (3 steps + OFF) One-Touch Dial 40 (20 x 2) locations...
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Page 45
8890DW 8370DN 8380DN Modem Speed 33.600 bps 33.600 bps (Fax) Transmission Speed Approx. 2 sec. (Brother#1Chart Std resolution, JBIG) ITU-T Group Super G3 Coding Method MH / MR / MMR / JBIG Color FAX Fax/Tel Switch Superfine Yes (TX & RX)
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Page 46
Receive Out-of-Paper Up to 500 pages (ITU-T Test Chart, Standard Resolution, JBIG) Reception Up to 600 pages (Brother #1Chart, Standard Resolution, JBIG) (ITU-T Chart) Fax Rx Stamp Yes Memory Transmission Up to 500 pages (ITU-T Test Chart#1, Standard Resolution, JBIG)
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Page 47
2.11 List/Report Model 8080DN 8085DN 8480DN 8880DN 8890DW Activity Report/Journal Yes (up to 200) Report Transmission Verification Report Cover page Help List Call Back Message Caller ID List Tel Index List No/No Yes/Yes Numeric/Alphabetic Memory Status List System Setup (User Setting) List Order Form Yes (Europe/Asia Except for China) Model...
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Page 48
2.12 Copy Model 8080DN 8085DN 8480DN 8880DN 8890DW Copy Speed Simplex A4: Up to 30 cpm Letter: Up to 32 cpm First Copy Out Time Less than 10.5 sec ( From READY mode ) Multi Copy Stack Yes (up to 99) Sort Reduction/ 25% - 400% in 1% increments...
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Page 49
Model DCP8070D MFC8370DN MFC8380DN Copy Speed Simplex A4: Up to 28 cpm A4: Up to 28 cpm A4: Up to 30 cpm Letter: Up to 30 cpm First Copy Out Time Less than10.5 sec Multi Copy Stack Yes (Up to 99) Sort Reduction/ 25% - 400% in 1% increments...
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Page 50: Document Scanner
2.13 Document Scanner Model 8080DN 8085DN 8480DN 8880DN 8890DW Color/Mono Color Resolution Scanner Maximum 600 (horizontal scan) x 2400 (vertical scan) dpi (Optical) Glass Maximum 600 (horizontal scan) x 1200 (vertical scan) dpi Resolution 19,200 (horizontal scan) x 19,200 (vertical scan) dpi (Interpolated) Scanning Monochrome A4: 3.03 seconds...
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Page 51: Usb Host
Model DCP8070D MFC8370DN MFC8380DN Color/Monochrome Color Resolution Scanner Maximum. 600 (horizontal scan) x 2400 (vertical scan) dpi (Optical) Glass (Color & Monochrome) Maximum. 600 (horizontal scan) x 600 (vertical scan) dpi (Color & Monochrome) Resolution (Interpolated) 19,200 (horizontal scan) x 19,200 (vertical scan) dpi Scanning Monochrome A4: 2.49 seconds Speed...
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Page 52: Theory Of Operation
CHAPTER THEORY OF OPERATION Confidential...
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Page 53: Table Of Contents
CHAPTER 2 THEORY OF OPERATION This chapter gives an overview of the scanning and printing mechanisms as well as the sensors, actuators, and control electronics. It aids in understanding the basic principles of operation as well as locating defects for troubleshooting CONTENTS 1.
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Page 54: Overview
1. OVERVIEW Host Computer USB Memory For the model with the wireless LAN only (For the models with the LAN only) Centronics Control WLAN USB Host parallel interface USB interface panel interface interface (CCD model only) Control Section Printer data Fax data Line NCU*...
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Page 55: Electronics, General Block Diagram
2. ELECTRONICS General Block Diagram (Main fan) Low-voltage power supply Main fan Toner High-voltage sensor PCB power supply (Light Rear relay Power supply fan reception) Fuser thermistor Regist front sensor Paper eject Sensor PCB DX unit sensor PCB sensor (PE+PEDGE) Regist rear sensor MP sensor PCB...
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Page 56: Mechanics, Cross-section Drawing
3. MECHANICS Cross-section Drawing - Printer part Paper stack lever Transfer roller Laser unit Corona wire Exposure drum Develop roller Eject roller 2 Back cover Heat roller MP tray Eject roller 1 Regist roller Separation roller MP Separation pad MP Paper eject actuator Paper feed roller MP Regist actuator rear...
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Page 57
- ADF part (CCD model) Switch back roller ASSY Document Flap B front sensor 2 Eject roller Paper feed Switch back Flap C roller 1 Pick-up roller sensor actuator Separation roller Switch back Document front sensor actuator 1 sensor Paper feed roller 2 Document front sensor actuator 2 Document rear sensor Document rear...
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Page 58
- ADF part (CIS model) ADF cover open actuator ADF cover Separation flap cam Nip piece Switch back actuator Separation pad Switch back roller Exit roller Ejection flap Document eject actuator Paper feed roller 3 Switch back flap A Paper feed roller 2 Document hold Document front actuator 1 Front flap...
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Page 59: Scanner Mechanism
Scanner Mechanism This mechanism consists of the document cover, the document scanner unit (scanner cover), and the automatic document feeder (ADF). The document scanner unit consists of a scanner top cover, CCD module or CIS module and scanner base. <CCD model> <CIS model>...
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Page 60: Document Scanner Unit
3.2.1 Document scanner unit The document scanner unit is equipment which scans the paper using the scanner module (CCD/CIS). This machine prints the scanning data (copy) or sends data as FAX (FAX transmission). There are two kinds of scanning method of the document scanner unit. One is operation to scan with the document scanner unit, the paper is placed on the document glass, the scanner module moves under the document glass, and it scans the paper, and the other one is operation to scan in cooperation with the ADF unit, scan the paper which has been sent...
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Page 61
7. Scanning operation (The scanner module moves under the immovable document.) Open the document cover, place a sheet of the document (or opened book) onto the document glass, and close the document cover. Then, the machine starts scanning by the operation of the panel, and the scanner drive mechanism is started and the scanning operation is started.
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Page 62: Adf Unit
3.2.2 ADF unit The ADF unit is equipment which sends one document or the document for every plurality to the ADF scanning part of the document scanner unit, and performs continuation scanning. As for the ADF of this machine, the duplex scanning is also possible. Performance of the ADF - The number of maximum capacity: CCD model Up to 50 sheets, CIS model Up to 20 sheets - Maximum resolution: Up to 600dpi...
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Page 63
3. Function of each motor/solenoid - ADF motor Driving source of overall ADF. - Paper feed solenoid The paper feed solenoid disable pick-up roller and separation roller while the machine is taking action scanning to prevent the next document from being drawn into the ADF. - Switch back solenoid Switches the direction of rotation of the switch back roller ASSY.
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Page 64
CIS model The automatic document feeder (ADF) of the CIS model consists of the pick-up roller, separation roller, paper feed rollers 1/2/3, eject roller, ADF motor, switch back sensor, document rear sensor, document front sensors 1/2 and document eject sensor. For further details on the sensors, see 3.6 Sensors position.
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Page 65
5. ADF simplex scanning (The document moves over the immovable scanner module.) (1) Set the document face up into the paper feed chute ASSY. When the machine starts simplex scanning, the ADF motor is rotated clockwise, the pick-up roller draws the document, and the separation roller and separation rubber send a sheet of the document to the ADF one by one from the top page of the stacked documents.
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Page 66
6. ADF duplex scanning (The document moves over the immovable scanner module.) CCD model (1) Set the document face up into the document chute. When the machine starts duplex scanning, the ADF motor is rotated clockwise, the pick-up roller draws the document, and the separation roller and separation pad send a sheet of the document to the ADF one by one from the top page of the stacked documents.
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Page 67
(4) The switch back roller ASSY is turned counter again, and the document is drawn again. The document is passed through the paper feed rollers 1, 2 and 3, and ejected to the document cover by the eject roller. Switch back roller ASSY Paper feed roller 2 Eject roller Paper feed roller 3...
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Page 68
CIS model (1) Set the document face down into the document chute. When the machine starts duplex scanning. The ADF motor is rotated clockwise, the pick-up roller draws the document, and the separation roller and separation pad send a sheet of the document to the ADF one by one from the top page of the stacked documents.
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Page 69: Paper Feeding
Paper Feeding MP path DX path Paper tray path LT path Fig. 2-18 2-16 Confidential...
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Page 70: Plate-up Function Of The Paper Tray
3.3.1 Plate-up Function of the Paper Tray The plate ASSY in the paper tray is pushed up with the motor drive and not with the spring in order to maintain the constant pressure to the feed roller and to give the paper feeding performance.
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Page 71: Paper Supply
3.3.2 Paper supply The feed roller picks up a few sheets or one sheet of paper from the paper tray every time it is rotated and feeds it to the separation roller. Pinch roller Regist roller Regist actuator rear Feed roller Regist actuator front Pressure roller PE actuator...
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Page 72: Paper Registration
3.3.3 Paper registration After the paper top position is detected by the regist actuator front, the paper, separated into individual sheets by the separation roller, is fed further for a specified time, and the paper top position reaches the regist roller so that the paper skew is adjusted. Then, the regist solenoid is turned on, the regist roller starts turning, and the paper is fed to the transfer roller in the drum/toner ASSY.
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Page 73: Paper Eject
3.3.4 Paper eject After the printing image on the exposure drum is transferred onto the paper, the paper is fed to the fuser unit to fix unfixed toner onto the paper by the heat roller and the pressure roller in the fuser unit.
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Page 74: Duplex Printing
3.3.5 Duplex printing After the paper exits from the eject roller ASSY with the front of sheet printed, the eject roller ASSY rotates conversely and feeds the paper to the Duplex unit, where the paper skew is adjusted. Afterwards, the paper is ejected from the Duplex unit to the path through the regist roller and to the transfer block in the drum unit again for process of printing on the back of sheet.
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Page 75: Paper Feeding From The Mp Tray, Paper Feeding From The Lt Tray (tray2)
3.3.6 Paper feeding from the MP tray The separation roller MP is connected with the feed roller through the gear in the MP roller holder ASSY. When the separation roller is driven, therefore, the feed roller is also driven. At this time, the recording paper is drawn out of the MP tray by rotation of the paper feed roller MP contacted with the recording paper.
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Page 76: Toner Cartridge, Methods For Detecting Toner Life
Toner Cartridge 3.4.1 Methods for Detecting Toner Life When the machine detects the toner life end, "Replace Toner" is displayed. The toner life is displayed through the following two ways. First, such indication is displayed when detection is performed by the toner sensor; second, it is displayed at the time when a cumulative rotation of the develop roller reaches its upper limit.
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Page 77: Cartridge Life
3.4.2 Cartridge life A new toner cartridge can print approximately 3,000 (standard toner) or approximately 8,000 (high yield toner) A4 or Letter size single-sided pages at normal duty (ISO/IEC19752). In the case of low-duty printing, if the number of printed pages are reached the cartridge life, "Replace Toner"...
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Page 78: New Toner Detection
3.4.3 New toner detection This machine is equipped with the function to detect that the residual quantities of the toner are not enough by examining the degree that the toner in the cartridge blocks the light by the transmission light sensor. This function informs the user's that the toner cartridge has reached its life.
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Page 79
When the new toner detection machanism detects that the toner cartridge is replaced with a new one, the developing bias voltage is initialized at the same time. The toner used for the machine has a property that print density is light first and gradually darker in the course of usage.
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Page 80
<When a toner cartridge in use is inserted after "Replace Toner" is displayed by toner sensor detection > A count value before changes is continuously indicated as a number of the rotation for the develop roller. Irrespective of the amount of toner, printing becomes disabled when the number of the rotation for the develop roller reaches the upper limit.
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Page 81: Print, Basic Principle
Print 3.5.1 Basic Principle The printing process consists broadly of 5 processes: electrification, exposure, development, transfer and fusing. 1. Charging: The surface of an exposure drum is electrically charged. 2. Exposure: A printed image is formed on the surface of the drum by applying laser beam. 3.
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Page 82: Print Process
3.5.2 Print Process (1) Charging The flow of the ion charge is controlled by constant voltage of the grid 850 V to ensure it is distributed evenly on the drum surface. In order to coat toner on the exposure drum, the drum needs to be evenly electrified.
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Page 83
(2) Exposure The laser beam radiated from a laser diode inside the laser unit is concentrated into a constant width by a slit in the CO lens cell and then reflected by a polygon mirror rotating at high speed. The evenly charged exposure drum is irradiated with reflected light and exposed. Surface potential is lowered by such exposure and a printed image is formed.
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Page 84
(3) Development Toner is attracted to a printed-image area on the exposure drum where surface potential is lowered due to exposure. By controlling developing bias voltage supplied to the develop roller, the amount of toner taken to the drum is adjusted to keep printing density constant. Charging Laser beam 400 V to approx.
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Page 85
(4) Transfer By applying a minus charge to the transfer roller, the toner adhered to the exposure drum is transferred to paper. Supply roller Toner cartridge Develop roller Exposure drum Toner Transfer roller Fig. 2-33 Memo : • Control of transfer bias The transfer bias applied in the transfer roller is adjusted according to types and sizes of paper so as to keep excellent image quality.
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Page 86
(5) Fusing The toner transferred on paper passes between the heat roller and the pressure roller in the fuser unit, being fused by heat and pressure. The thermistor detects surface temperature of the heat roller and turns ON/OFF the halogen heater lamp. The temperature is kept constant. Fuser unit Heat roller Halogen heater...
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Page 87: Sensors Position
Sensors position Sensor name Type Located on Function High-voltage PS Detect the paper top position Regist front sensor Photo sensor or absence of paper. High-voltage PS Control the first print Regist rear sensor Photo sensor position on the paper. Detect whether the paper is Paper eject sensor Photo sensor Relay rear PCB...
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Page 88
CCD model Document front sensor 1 Switch back sensor Document front sensor 2 ADF unit Regist frame Document cover sensor Document rear sensor Toner LED PCB (Light emission) Home position sensor Frame R Frame L Paper eject sensor MP PE sensor (Relay rear PCB) PE EG sensor Duplex tray sensor...
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Page 89
CHAPTER ERROR INDICATION AND TROUBLESHOOTING...
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Page 90: Table Of Contents
CHAPTER 3 ERROR INDICATION AND TROUBLESHOOTING This chapter details error messages and codes that the incorporated self-diagnostic functions display if any error or malfunction occurs. If any error message appears, refer to this chapter to find which components should be checked or replaced. The latter half of this chapter provides sample problems that could occur in the main sections of the machine and related troubleshooting procedures.
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Page 91
11. DOCUMENT FEEDING PROBLEMS................3-77 11.1 No Feeding ......................3-77 11.2 Double Feeding ....................3-78 11.3 Paper Jam ......................3-78 11.4 Wrinkles....................... 3-80 12. SCANNING IMAGE DEFECT TROUBLESHOOTING..........3-81 12.1 Image Defect Examples ..................3-81 12.2 Troubleshooting Image Defect ................3-81 13.
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Page 92
1. INTRODUCTION Troubleshooting is the countermeasure procedures that the service personnel should follow if an error or malfunction occurs with the machine. It is impossible to anticipate all of the possible troubles which may occur in future and determine the troubleshooting procedures, so this chapter covers some sample troubles.
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Page 93: Part Names
Part names < CCD model > < CIS model > ADF Unit ADF Unit Scanner Unit Scanner Scanner Unit Dress Cover R Panel Unit NCU Cover Speaker ASSY NCU PCB Panel Unit Scanner Dress Cover L Joint Cover ASSY Speaker ASSY NCU PCB Joint Cover FR Joint Cover ASSY...
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Page 94: Initial Check, Operating Environment, Power Supply, Consumable Parts
Initial Check Check the following items before attempting to repair the machine. ■ Operating Environment (1) Put your machine on a flat, stable surface such as a desk that is free of vibration and shocks. (2) Use the machine in a well-ventilated room; use the machine within the following ranges of temperature and humidity: temperature between 10°C and 32.5°C (50°F to 90.5°F), and the relative humidity is maintained between 20% and 80%.
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Page 95
(2) Cleaning Use a soft dry cloth. warning DO NOT use flammable substances such as alcohol, benzine, thinner or any type of spray to clean the inside or outside of the machine. Doing this may cause a fire or electrical shock. Confidential...
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Page 96: Distinguish Error Cause
2. DISTINGUISH ERROR CAUSE ERROR INDICATION To help the user or the service personnel promptly locate the cause of a problem (if any), the facsimile equipment incorporates the self-diagnostic functions which display error messages for machine errors and communications errors. For the communications errors, the machine also prints out the transmission verification report and the communications list.
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Page 97
Refer Error Message Type of Error Action Document Jam The document was not Remove the jammed paper from the inserted or fed properly, or ADF. the document scanned 3-29 from the ADF was too long. DR Mode in Use The machine is set to Set Distinctive Ring to Off.
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Page 98
Refer Error Message Type of Error Action Not Registered You tried to access a One Set up the One Touch or Speed Dial Touch or Speed Dial number. 3-74 number that is not programmed. Out of Memory The machine’s memory is Fax sending or copy operation in full.
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Page 99
Refer Error Message Type of Error Action Replace Parts It is time to replace the Replace the PF Kit 2. PF Kit 2 or paper feeding kit for Tray 3-15 Replace PF Kit 2 Replace Toner The toner cartridge is used Replace the toner cartridge with a up and printing is not new one.
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Page 100: Error Codes
3. ERROR CODES This machine includes a self-diagnosis function. If the machine does not work normally it judges that an error has occurred, and indicates the corresponding error message on the LCD, which in turn helps the end user to quickly find out the problem. Error Indication Error Refer...
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Page 101: List/report
Error Refer Error Refer Problem Problem codes codes Fax paper setting mismatch DMA transfer error (The setting paper becomes 3-23 3-31 besides the A4/Letter/Legal/ Folio) (Not applicable) Fax paper size is incorrect (The Document scanner home paper is smaller 10mm than the position sensor is not turned on.
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Page 102
Error Refer Error Refer Problem Problem codes codes Main PCB failure Wireless LAN is unable to 3-38 communicate between W-LAN 3-39 PCB and access point Central temperature of heat LVPS PCB failure 3-38 3-39 roller exceeds 280°C E6 EEPROM error 3-38 F8 Battery connection error 3-40...
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Page 103: Error Code Cause And Remedy
Error Code Cause and Remedy These errors are recoverable by following the message indicated on the LCD or following the items indicated in User Check. ■ Error code 1E Drum End Soon The drum unit reached its life and requires replacement. <User Check>...
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Page 104
■ Error code 35 Print Unable 35 Turn the power off and then back on again. EEPROM of main PCB failure Step Cause Remedy Main PCB failure Replace the main PCB ASSY. ■ Error code 36 Print Unable 36 Turn the power off and then back on again. HVPS PCB during standby failure Step Cause...
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Page 105
■ Error code 44 No Toner Open the Front Cover, then install Toner Cartridge. No toner cartridge <User Check> • Install a new toner cartridge. Step Cause Remedy Dirt on electrodes on toner Clean both electrodes. cartridge and machine body (Refer to Fig.
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Page 106
■ Error code 52 Replace Parts PF Kit 1 The paper feed kit T1 reached its life and requires replacement. <User Check> • Replace the paper feed kit T1 with a new one. Step Cause Remedy Replacement time of the paper Replace the paper feed kit T1.
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Page 107
■ Error code 56 Cover is Open Close the Fuser Cover which can be found behind the Back Cover up the machine. Back cover is open <User Check> • Close the back cover. • Install the Duplex unit. Step Cause Remedy Harness connection failure of relay Check the harness connection of the relay...
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Page 108
■ Error code 58 Fuser Error Turn the power off, then on again. Leave the machine for 15 min. Fuser unit failure Error code 59 Self-Diagnostic Will Automatically Restart within 15 minutes. Fuser unit failure (Detect fuser failure at start-up) <User Check>...
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Page 109
■ Error code 68 Print Unable 68 Turn the power off and then back on again. Temperature rise when heater is off Step Cause Remedy Fuser unit failure Replace the fuser unit Main PCB failure Replace the main PCB ASSY. ■...
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Page 110
■ Error code 6A Print Unable 6A Turn the power off and then back on again. Fuser temperature does not reach 60°C within the specified time (center thermistor) Error code 6B Print Unable 6B Turn the power off and then back on again. Fuser temperature does not reach 100°C within the specified time (center thermistor) Error code 6C Print Unable 6C...
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Page 111
■ Error code 70 Print Unable 70 Turn the power off and then back on again. Fuser motor error Step Cause Remedy Motor failure Replace the main motor. Main PCB failure Replace the main PCB ASSY. ■ Error code 71 Print Unable 71 Turn the power off and then back on again.
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Page 112
■ Error code 76 Print Unable 76 Turn the power off and then back on again. Rapid temperature rising failure (center thermistor) Error code 78 Print Unable 78 Turn the power off and then back on again. Rapid temperature falling failure (center thermistor) Step Cause Remedy...
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Page 113
■ Electrodes location of the toner/drum unit (5) Grid Drum Unit (3) Charge (7) Cleaner (1) Exposure (4) Developer drum roller (6) Transfer roller Fig. 3-2 ■ Electrodes location of the machine Cleaner Grid Charge Developer roller Exposure drum CCD model Transfer roller Cleaner Grid...
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Page 114
■ Error code 7F Size mismatch Fax received. Set correct paper size in menu. Fax paper setting mismatch (The setting paper is besides the A4/Letter/Legal/Folio) Error code 80 Size mismatch Reload correct paper, then press Start. Fax paper size is incorrect (The paper is smaller 10mm than the letter size (11inch) in Fax List/Report) NOTE : •...
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Page 115: Error Code
■ Error code 84 Jam Rear Open the Back Cover and remove the jammed paper, then press Start. Paper jam in the back cover <User Check> • Check if the paper is jammed around the opened back cover. If jammed, remove it. Step Cause Remedy...
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Page 116
■ Error code 88 Jam Inside Open the Front Cover, pull out the Drum Unit completely and remove the jammed paper. Paper jam inside the machine <User Check> • Check if the paper is jammed around the removed drum unit. If jammed, remove it. Step Cause Remedy...
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Page 117
■ Error code 8A Jam Tray 1 Remove the jammed paper from Tray 1. Paper jam (Tray 1) Error code 8B Jam Tray 2 Remove the jammed paper from Tray 2. Paper jam (Tray 2) Error code 8C Jam MP Tray Remove the jammed paper from Multi Purpose Tray and press Start.
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Page 118
■ Error code 8D Cover is Open Make sure there is no paper jammed inside the machine and close the Back Cover, then press Start. Paper jam near eject tray <User Check> • Check if the paper is jammed in the back cover. If jammed, remove it. Step Cause Remedy...
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Page 119
■ Error code 9F No Paper Reload paper, then press Start. Paper empty <User Check> • Replenish the paper in the paper tray. Step Cause Remedy Dirt on PE sensor Clean the PE sensor. Harness connection failure of PE Check the harness connection of the PE EG sensor PCB ASSY.
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Page 120
■ Error code A2 Document Jam Clear the scanner jam, then press the Stop Key. During scanning, 90 cm or longer of a document is detected <User Check> • Check if the document is jammed in the ADF. If it is jammed, remove it. Step Cause Remedy...
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Page 121: Document Scanner
■ Error code A5 Scan Unable A5 Remove the original document. Turn the power off, then on again. Fax scanning error (Warning: Document scanner unit malfunction of first time) Step Cause Remedy Scanning failure Turn the power switch off and on. Then, try scanning again.
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Page 122
■ Error code AD Scan Unable AD Remove the original document. Turn the power off, then on again. DMA transfer error Step Cause Remedy Scanner module failure Replace the CCD module. (CCD model) Replace the document scanner unit. (CIS model) Main PCB failure Replace the main PCB ASSY.
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Page 123
■ Error code AF CCD model Scanner Locked Open the Document Cover and release Scanner lock lever. Press Stop key. CIS model Scan Unable See Troubleshooting and routine maintenance chapter in User's Guide. Document Scanner home position sensor is not turned off. <User Check>...
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Page 124
■ Error code B1 Scanner Error Dark level offset data level error for scanning * This error is indicated on the LCD in the maintenance mode. Error code B2 Scanner Error Gain control data level error for scanning * This error is indicated on the LCD in the maintenance mode. Error code B7 Scanner Error A/D converter standard voltage failure;...
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Page 125
■ Error code B9 Scanner Error Scanning light adjustment error. * This error is indicated on the LCD in the maintenance mode. Error code BB Scanner Error White level data error * This error is indicated on the LCD in the maintenance mode. Error code BD Scanner Error Black level data error...
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Page 126
■ Error code C0 Cartridge Error Put the Toner Cartridge back in. New toner detection failure <User Check> • Install the toner cartridges into the machine properly. Step Cause Remedy Power off or front cover opened Reset the developing bias voltage and while detecting a new toner develop roller counter.
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Page 127: Usb Host
■ Error code C9 DIMM Error Make sure that the DIMM is inserted correctly. The failed DIMM is installed, or the DIMM is not installed correctly. <User Check> • Install the DIMM correctly. Step Cause Remedy Main PCB failure Replace the main PCB ASSY. ■...
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Page 128
■ Error code D1 Machine Error D1 Modem initialization failed Step Cause Remedy Main PCB failure Replace the main PCB ASSY. ■ Error code DD Fuser Error Turn the power off, then on again. Leave the machine for 15min. Fuser error other than 58, 59, 68, 69, 6A, 6B, 6C, 6D, 6E, 6F, 76, 78, DE and E2 are occurred.
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Page 129
■ Error code E1 Print Unable E1 Turn the power off and then back on again. Main PCB failure Step Cause Remedy Main PCB failure Replace the main PCB ASSY. ■ Error code E2 Fuser Error Turn the power off, then on again. Leave the machine for 15 min. Central temperature of heat roller exceeds 280°C Step Cause...
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Page 130
■ Error code EC Print Unable EC See Troubleshooting and routine maintenance chapter in User's Guide. Fuser fan failure Step Cause Remedy Main fan failure Replace the main fan ASSY. Main PCB failure Replace the main PCB ASSY. ■ Error code ED Print Unable ED Turn off and on.
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Page 131: Error Code F8-ff
■ Error code F8 Print Unable F8 Unplug machine, then call Brother. Battery connection error Step Cause Remedy Battery harness connection failure Reconnect the battery harness. Main PCB failure Replace the main PCB ASSY. Battery failure Replace the battery. ■ Error code F9...
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Page 132: Paper Feeding Problems
4. PAPER FEEDING PROBLEMS Problems related to paper feeding are end user recoverable if following the User Check items. If the same problem occurs again, follow each procedure in the order of the number described in the Step column in the tables below. No Feeding Step Cause...
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Page 133: Paper Jam
Paper Jam ■ Paper jam in the paper tray and front cover Step Cause Check Result Remedy Dirt on edge Is there paper powder in Clean the edge sensor. sensor the edge sensor? Registration front Does the registration front Re-assemble the actuator/edge actuator/edge actuator registration front actuator/...
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Page 134
■ Paper jam in the back cover and paper eject section Step Cause Check Result Remedy Foreign object Is there a foreign object Remove the foreign around fuser unit around the fuser unit? object. Paper eject Does the paper eject Replace the paper eject actuator failure actuator move smoothly?
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Page 135: Dirt On Paper, Wrinkles Or Creases
Dirt on Paper <User Check> - Check if the paper is loaded into the paper tray correctly. - Turn over the stack of paper in the paper tray, or try rotating the paper 180° in the paper tray. Step Cause Check Result Remedy...
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Page 136: Curl In The Paper, Prints Only Single Side Of The Paper When Duplex-printing
Curl in the paper The curl in the left figure. <User Check> - Change the paper. Step Cause Check Result Remedy Mismatch the Is the problem solved by Change the position of the setting the paper changing the position of anti-curl switch.
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Page 137: Image Defect Examples
5. TROUBLESHOOTING FOR PRINT IMAGE DEFECT FROM PC/USB/FAX RECEPTION Image Defect Examples Light Faulty registration Dark Poor fixing Completely blank Vertical streaks Dirt on the back of paper Image distortion All black Black vertical streaks Black horizontal White vertical White horizontal Faint print in a light background stripes...
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Page 138: The Pitch Which Appears In The Image Caused By Failure Of A Roller
The pitch which appears in the image caused by failure of a roller. Image defects which appear periodically may be caused by failure of a roller. Specify the cause referring to the pitch which appears in the image as shown in the table below. The pitch which appears in the image Parts name...
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Page 139: Troubleshooting For Image Defect
Troubleshooting for image Defect Image defect related problems are end user recoverable if following the User Check items. If the same problem occurs, follow each procedure in the order of the number described in the Step column in the tables below. ■...
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Page 140: Faulty Registration
<Location of the leser beam window> CCD model CIS model Fig. 3-6 ■ Faulty registration <User Check> - Check that the appropriate media type is selected in the printer driver. Step Cause Check Result Remedy Registration rear Does the registration Re-assemble the actuator catching rear actuator move...
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Page 141
■ Dark <User Check> - Check the machine's environment. High temperature and high humidity conditions can cause this problem. - Replace the drum unit with a new one. - Replace the toner cartridge with a new one. Step Cause Check Result Remedy Drum unit...
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Page 142: Poor Fixing
Poor fixing ■ <User Check> - Replace the drum unit with a new one. - Replace the toner cartridge with a new one. Step Cause Check Result Remedy Low pressure of Is the problem solved by Change the position of the pressure roller in changing the position of anti-curl switch.
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Page 143: Image Distortion
■ Completely blank <User Check> - Replace the drum unit with a new one. - Replace the toner cartridge with a new one. Step Cause Check Result Remedy Developing bias Are the electrodes on Clean both electrodes. voltage the drum unit and (Refer to Fig.
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Page 144
■ All black Step Cause Check Result Remedy Corona wire Are the electrodes on Clean both electrodes. failure the drum unit and (Refer to Fig. 3-2, Fig. 3-3.) machine body dirty? Is the corona wire Replace the drum unit. damaged? Scanner harness Is the scanner harness Reconnect the scanner...
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Page 145: Vertical Streaks
■ Dirt on the back of paper <User Check> - This problem may disappear after printing approximately 10 pages of completely blank sheets. Step Cause Check Result Remedy Scratch and Dirt Is the pressure roller Print approximate 10 pages. on the fuser unit ASSY dirty? Is any other Replace the fuser unit.
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Page 146
■ Black horizontal stripes <User Check> - Clean the inside of the machine and the corona wire in the drum unit. - Replace the drum unit with a new one. Step Cause Check Result Remedy Dirt on the Are the electrodes on Clean both electrodes.
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Page 147
■ White vertical streaks <User Check> - Clean the scanner windows of the laser unit with a soft lint-free cloth. (Refer to Fig. 3-6.) - Replace the toner cartridge with a new one. - Check the machine’s environment. High temperature and high humidity conditions can cause this problem.
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Page 148: White Spots
■ Faint print <User Check> - Check that the machine is installed on a level surface. - Replace the toner cartridge with a new one. - Clean the scanner windows of the toner unit with a soft cloth. (Refer to Fig.
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Page 149
<Clean the drum unit as follows> If you have print quality problems, clean the drum unit as follows: (1) Put the print sample in front of the drum unit, and find the exact position of the poor print. Fig. 3-8 (2) Turn the drum unit gear to the direction of the arrow of the figure by hand while looking at the surface of the exposure drum.
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Page 150: Black Spots
■ Black spots <User Check> - Damp (wet) paper might be used. Try to change to freshly unpacked paper. - Toner may be empty. Replace the toner cartridge with a new one. - If the problem is not solved after printing a few pages, the drum unit may have glue from label stock on the exposure drum surface.
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Page 151: Horizontal Lines
■ Downward fogging of solid color <User Check> - Toner may be empty. Replace the toner cartridge with a new one. Step Cause Check Result Remedy HVPS PCB Is the problem solved Replace the HVPS PCB failure after replacing the ASSY.
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Page 152
■ Ghost <User Check> - Check the machine's environment, conditions such as high or low humidity may cause this situation to occur. - Check that the appropriate media type or size is selected in the printer driver. - Replace the drum unit with a new one. Step Cause Check...
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Page 153
■ Hollow print by condensation <User Check> - Turn the power on and leave the machine for a few minutes. Step Cause Check Result Remedy Condensation of Is the problem solved Drum condensation drum unit by high after setting the drum countermeasure mode is humidity condensation...
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Page 154: Software Setting Problems
6. SOFTWARE SETTING PROBLEMS The machine may not print the data correctly if there are incorrect software settings. <User Check> - Check that the parallel cable, USB cable and the network cable is not damaged or broken. - Check that the correct machine is selected if you have an interface switching device. - Check the descriptions on the software setting in the user’s guide.
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Page 155: Network Problems
7. NETWORK PROBLEMS <User Check> - Check the descriptions in the network user’s guide. - Try resetting the factory settings. Step Cause Check Result Remedy Wireless LAN Is the problem solved Replace the wireless LAN PCB failure after replacing the PCB ASSY.
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Page 156: Communications Errors
8. TROUBLESHOOTING OF THE COMMUNICATIONS ERRORS If a communications error occurs, the facsimile equipment (1) Gives the alarm (intermittent bleep) for approximately four seconds. (2) Indicates the appropriate error message on the LCD. (3) Prints the transmission report during fax transmission. ■...
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Page 157
(2) Command reception Code 1 Code 2 Causes Unable to detect a flag field. Carrier was OFF for 200 ms or longer. Abort detected (“1” in succession for 7 bits or more). Overrun detected. A frame for 3 seconds or more received. CRC error in answerback.
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Page 158
(4) Instructions received from the remote terminal [checking the NSC, DTC, NSS, and DCS] Code 1 Code 2 Causes Illegal coding system requested. Illegal recording width requested. ECM requested although not allowed. Polled while not ready. No document to send when polled. Nation code or manufacturer code not correct.
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Page 159
(9) Signal isolation Code 1 Code 2 Causes Unable to detect video signals and commands within 6 seconds after CFR is transmitted. Received PPS containing invalid page count or block count. (10) Video signal reception Code 1 Code 2 Causes Error correction sequence not terminated even at the final transmission speed for fallback.
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Page 160
(11) General communications-related Code 1 Code 2 Causes Unable to receive the next-page data. Unable to receive polling even during turn-around transmission due to call reservation. PC interface error. Communication canceled by pressing the Stop/Exit button before establishment of FAX communication*. Communication canceled by pressing the Stop/Exit button after establishment of FAX communication*.
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Page 161
(13) Maintenance mode Code 1 Code 2 Causes Failed to detect 1300 Hz signal in burn-in operation. Failed to detect PB signals in burn-in operation. (14) Machine error Code 1 Code 2 Causes Machine error (For X X, refer to "2.1 ERROR INDICATION") 3-70...
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Page 162
9. TROUBLESHOOTING OF THE CONTROL PANEL ■ Nothing is displayed on the LCD. <User Check> - Verify if the power switch is turned off. Step Possible cause Check Result Remedy Connection Are the main PCB and Reconnect the connector between main control panel PCB properly.
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Page 163
■ The control panel does not work. <User Check> - Check whether the function lock is not set. Step Possible cause Check Result Remedy Key sticking Is there a key on the Clean up the panel cover, control panel stuck? or remove the burrs from panel cover and panel keys.
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Page 164: Troubleshooting Of Fax Functions
10. TROUBLESHOOTING OF FAX FUNCTIONS ■ Can not send FAX. <User Check> - Verify that the telephone cord is securely inserted into the right socket. Step Possible cause Check Result Remedy Dialing mode Does a dialing signal Check the dialing mode Setting (PB or DP) come out setting at customer's...
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Page 165
■ Speed dialing and One-touch dialing can't be used. Step Possible cause Check Result Remedy Dialing mode Does a dialing signal Check the dialing mode Setting (PB or DP) come out setting at customer's normally in each mode? again. (Use telephone line Check the telephone line emulator.) cord between machine and...
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Page 166: No Bell Ring
■ No bell ring. Step Possible cause Check Result Remedy Ring delay Ring delay is set to “0”. Change the ring delay settings to another value. Ring volume Ring volume is set to Change the ring volume “OFF”. setting to another value. Connection Are the main PCB and Reconnect the connector...
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Page 167
■ Speaker is silent during on-hook dialing. Step Possible cause Check Result Remedy Connection Are the main PCB and Reconnect the connector between main speaker connected properly. PCB and properly? speaker Connection Are the main PCB and Reconnect the connector between main NCU PCB connected properly.
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Page 168: Document Feeding Problems
11. DOCUMENT FEEDING PROBLEMS Problems related to document feeding are end user recoverable if following the User Check items. If the same problem occurs again, follow each procedure in the order of the number described in the Step column in the tables below. 11.1 No Feeding <User Check>...
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Page 169: Double Feeding
11.2 Double Feeding <User Check> - Check whether the document does not use the paper which is thinner than the specification. Step Cause Check Result Remedy Feed roller holder Is the surface of the Replace the feed roller ASSY failure separation roller worn holder ASSY.
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Page 170
■ Paper jam in the ADF <User Check> - Check whether length does not use paper equal to or less than 148 mm. Step Cause Check Result Remedy Foreign object Is there a foreign object Remove the foreign inside ADF inside ADF? object.
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Page 171
■ Paper jam at the duplex scanning <User Check> - Use the A4 or Letter size. - Use the document without warpage. - Use the document which is not so too thin. (thickness of paper) Step Cause Check Result Remedy Foreign object Is there a foreign object Remove the foreign...
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Page 172: Troubleshooting, Troubleshooting Image Defect
12. SCANNING IMAGE DEFECT TROUBLESHOOTING 12.1 Image Defect Examples Faulty registration Light Dark Vertical streaks Completely blank White vertical streaks Fig. 3-11 12.2 Troubleshooting Image Defect Image defect related problems are end user recoverable if following the User Check items. If the same problem occurs, follow each procedure in the order of the number described in the Step column in the tables below.
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Page 173
■ Faulty registration 1. ADF Step Cause Check Result Remedy Document rear Does the document rear Re-assembly the document actuator catching actuator move rear actuator. on some position smoothly? Fine adjustment Is the problem solved by Perform the fine of scan start performing the fine adjustment of scan start position...
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Page 174
■ Completely blank Step Cause Check Result Remedy White level data Is the problem solved by Perform the acquisition of malfunction performing the white level data. (Function acquisition of white level code 55) data. (Function code 55) Scanner module Is the problem solved by Replace the CCD module.
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Page 175
■ White vertical streaks <User Check> - Check if the ADF glass or document glass is not stained. Step Cause Check Result Remedy Scanner module Is the problem solved by Replace the CCD module. failure replacing the CCD unit (CCD model) (CCD model) or Replace the document document scanner unit.
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Page 176: Others Problems
13. OTHERS PROBLEMS ■ The machine is not turned on, or the LCD indication does not appear. Step Cause Check Result Remedy Harness Is the harness of the Reconnect the LCD panel connection LCD panel PCB ASSY PCB ASSY harness. failure of LCD connected correctly? panel PCB...
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Page 177
■ Pickup function of paper tray does not work. Step Cause Remedy Link lever catching on some position Re-assemble the link lever. Pickup roller holder ASSY catching Re-assemble the pickup roller holder on some position ASSY catching on some position. Roller holder ASSY failure Replace the roller holder ASSY.
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Page 178: Periodical Maintenance
CHAPTER PERIODICAL MAINTENANCE Confidential...
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Page 179
CHAPTER 4 PERIODICAL MAINTENANCE CONTENTS 1. PERIODICAL MAINTENANCE PARTS ................ 4-1 1.1 Periodical Maintenance Parts................4-2 1.2 Procedures to Replace Periodical Maintenance Parts .......... 4-3 1.2.1 Fuser unit and laser unit................4-3 1.2.2 Paper feeding kit for tray 1, 2 ..............4-58 1.2.3 Paper feeding kit for MP tray..............
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Page 180: Periodical Maintenance Parts
1. PERIODICAL MAINTENANCE PARTS To avoid creating secondary problems by mishandling, follow the warnings below during maintenance work. WARNING • Always turn off the power switch and unplug the power cord from the power outlet before accessing any parts inside the machine. •...
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Page 181
Periodical Maintenance Parts Periodical maintenance parts are the parts to be replaced periodically to maintain product quality. These parts would affect the product quality greatly if they lost their function even if they do not appear to be damaged or there is no change in their appearance. The periodical maintenance parts listed below should be replaced at the service center referring to the service life.
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Page 182: Fuser Unit And Laser Unit
Procedures to Replace Periodical Maintenance Parts Fuser unit and laser unit 1.2.1 ■ CCD model Note: • In the case of the assembling and disassembling of the model, refer to 4-30 to 4-57. <Uninstalling Procedure> Check that the following before entering the procedures. •...
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Page 183
(3) Remove the Pins of the Outer chute ASSY from the Back cover. (4) Remove the Back cover. Outer chute ASSY Back cover Outer chute ASSY Back cover Fig. 4-2 Confidential...
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Page 184
(5) Hold the Knobs on the Rear chute ASSY and pull down this to your side. (6) Remove the Arms of the Rear chute ASSY from the Pins. (7) Remove the Rear chute ASSY. Knob Rear chute ASSY Knob Fig. 4-3 (8) Remove the pan B M4x20 Taptite screw.
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Page 185
(9) Disconnect the connector of the Heater terminal while pressing the Hook of the connector of the Fuser unit. Fuser unit Hook Heater terminal Frame R Fig. 4-5 (10) Pull the FU harness cover 2 to the direction of 10a while pressing the Hook and pull out the FU harness cover 2 from the back of the machine.
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Page 186
(11) Disconnect the connectors of the Thermistor ASSY M and Thermistor ASSY S from the Relay rear PCB ASSY, and remove the harnesses of these thermistors. Hook Thermistor ASSY M Fuser unit Hook Relay rear PCB ASSY Thermistor ASSY S Relay rear PCB ASSY Fig.
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Page 187
(13) Open the Front cover, remove the two bind B M4x12 Taptite screws, and then remove the Side cover L by releasing the Hooks in the order of 13a to 13d. Taptite bind B M4x12 Hook Front cover Side cover L Taptite bind B M4x12 Hooks Hooks...
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Page 188
(15) Remove the two bind B M4x12 Taptite screws, and release the Hooks by following direction from 15a to 15d, then remove the Side cover R. Hook Taptite bind B M4x12 Side cover R Taptite bind B M4x12 Hooks Hook Hooks Fig.
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Page 189
(19) Disconnect the connector of the Scanner motor harness from the Driver PCB. (20) Disconnect the connectors of the Home Position sensor harness and FFC cable from the Main PCB. Note : • After disconnecting flat cable(s), check that each cable is not damaged at its end or short-circuited.
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Page 190
(22) Remove the two bind B M4x12 Taptite screws, and then remove the Document cover. Document cover <Back side> Taptite, bind B M4x12 Taptite, bind B M4x12 Fig. 4-15 (23) Remove the two cup B M4x20 Taptite screws. Lift up the rear of the Document scanner unit slightly and remove the Document scanner unit.
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Page 191
(24) Remove the cup S M3x6 SR Taptite screw, and remove the Screw pan (S/P washer) M3.5x6 of the NCU FG harness ASSY. Screw, pan (S/P washer) M3.5X6 NCU unit NCU FG harness ASSY Joint cover ASSY Driver PCB shield Taptite cup S M3x6 SR Fig.
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Page 192
(28) Disconnect the harness of the wireless PCB ASSY. (29) Slide the Sub duct to the direction of 29b while pressing the Hook to the direction of 29a and remove the Sub duct from the Air duct. Air duct Wireless PCB harness Hooks <Back side>...
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Page 193
(31) Remove the Hook of the Air duct from the frame. Slide the Air duct to the direction of 31b and remove the Air duct. Laser unit Hook Hook Hook Hook Air duct Hook Fig. 4-21 4-14 Confidential...
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Page 194
(32) Remove the two Flat cables from the Main PCB. Note : • After disconnecting flat cable(s), check that each cable is not damaged at its end or short-circuited. (33) Remove the six cup S M3x6 Taptite screws. (34) Remove the Protective film from the Flat cable. (35) Pull out the two Flat cables from the Core.
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Page 195: Installing Procedure
< Installing Procedure > (1) Secure the Laser unit with the six cup S M3x6 Taptite screws. (2) Put the Flat cable (LD harness connector) through the Core. (3) Put the Flat cable (Polygon motor connector) through the Core and Protective film. (Refer to "7.
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Page 196
(5) Install the Air duct into the Laser unit. Laser unit Air duct Fig. 4-24 (6) Install the Filter into the Air duct. Air duct Filter Fig. 4-25 4-17 Confidential...
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Page 197
(7) Install the Sub duct into the Air duct. (8) Connect the harness of the wireless PCB ASSY. Air duct Wireless PCB harness Hooks <Back side> Sub duct Fig. 4-26 (9) Insert the bosses of the Joint cover and hook on the cover, then secure the Joint cover with the four bind B M4x12 Taptite screws.
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Page 198
(10) Secure the Screw pan (S/P washer) M3.5x6 of the NCU FG harness ASSY. (11) Secure the cup S M3x6 SR Taptite screw. Screw, pan (S/P washer) M3.5X6 NCU unit NCU FG harness ASSY Joint cover ASSY Driver PCB shield Taptite cup S M3x6 SR Fig.
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Page 199
(13) Secure the Document cover with the two bind B M4x12 Taptite screws. Document cover <Back side> Taptite, bind B M4x12 Taptite, bind B M4x12 Fig. 4-30 (14) Connect the two Connectors into the Main PCB. (15) Connect the Connector into Driver PCB. (16) Secure the ADF FG harness and FB FG harness with the cup S M3x6 Taptite screw.
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Page 200
(17) Connect the connectors of the Home Position sensor harness and FFC cable into the Main PCB. Note : • When connecting flat cable(s), do not insert them at an angle. After insertion, check that the cables are not at an angle. (18) Connect the connector of the Scanner motor harness into the Driver PCB.
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Page 201
(20) Catch the Hooks in the order of the arrows and secure the Side cover R with the two bind B M4x12 Taptite screws. Hook Taptite bind B M4x12 Side cover R Taptite bind B M4x12 Hooks Hook Hooks Fig. 4-34 (21) Secure the Shield cover ASSY and two FG harnesses with the four cup S M3x6 SR Taptite screws.
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Page 202
(22) Catch the Hooks in the order of the arrows and secure the Side cover L with the two bind B M4x12 Taptite screws. Taptite bind B M4x12 Hook Front cover Side cover L Taptite bind B M4x12 Hooks Hooks Fig.
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Page 203
Precautions before installing the fuser unit CAUTION • DO NOT subject the fuser unit to strong physical shocks or vibrations. • DO NOT touch the rollers and the electrodes to prevent damage to the fuser unit In the following figures. •...
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Page 204
(23) Secure the Fuser unit with the pan B M4x20 Taptite screw. Taptite pan B M4x20 Fuser unit Fig. 4-37 4-25 Confidential...
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Page 205
(24) Connect the connectors of the Thermistor ASSY M and Thermistor ASSY S onto the Relay rear PCB ASSY. Hook Thermistor ASSY M Fuser unit Hook Relay rear PCB ASSY Thermistor ASSY S Relay rear PCB ASSY Fig. 4-38 (25) Install the FU harness cover 2. FU harness cover 2 Hook Fig.
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Page 206
(26) Install the connector of the Heater Terminal to the connector to the Fuser unit. Fuser unit Connector Heater terminal Frame R Fig. 4-40 (27) Secure the FU harness cover 1 with the pan B M4x20 Taptite screw. Taptite pan B M4x20 FU harness cover 1 Hooks Fig.
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Page 207
(28) Catch the Arm of the Rear chute ASSY onto the Pin of the machine body and install the Rear chute ASSY. Rear chute ASSY Fig. 4-42 (29) Catch the Pins of the Outer chute ASSY onto the Back cover. Outer chute ASSY Back cover Outer chute ASSY...
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Page 208
(30) Catch the Arm of the Back cover onto the Pin of the machine body and install the Back cover, and close the Back cover. Back cover Fig. 4-44 Set the following parts after assembling. • Set the Duplex feed ASSY. •...
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Page 209
■ CIS model Note: • In the case of the assembling and disassembling of the model, refer to to 4-29. < Uninstalling Procedure > Check that the following before entering the procedures. • Make sure that the AC cord is disconnected from the machine. •...
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Page 210
(3) Remove the Pins of the Outer chute ASSY from the Back cover. (4) Remove the Back cover. Back cover Outer chute ASSY Back cover Fig. 4-46 4-31 Confidential...
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Page 211
(5) Hold the Knobs on the Rear chute ASSY and pull down this to your side. (6) Remove the Arms of the Rear chute ASSY from the Pins. (7) Remove the Rear chute ASSY. Knob Rear chute ASSY Knob Fig. 4-47 (8) Remove the pan B M4x20 Taptite screw.
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Page 212
(9) Disconnect the connector of the Heater terminal while pressing the Hook of the connector of the Fuser unit. Fuser unit Hook Heater terminal Frame R Fig. 4-49 (10) Pull the FU harness cover 2 to the direction of 10a while pressing the Hook and pull out the FU harness cover 2 from the back of the machine.
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Page 213
(11) Disconnect the connectors of the Thermistor ASSY M and Thermistor ASSY S from the Relay rear PCB ASSY, and remove the harnesses of these thermistors. Hook Thermistor ASSY M Fuser unit Hook Relay rear PCB ASSY Thermistor ASSY S Relay rear PCB ASSY Fig.
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Page 214
(13) Open the Front cover, remove the two bind B M4x12 Taptite screws, and then remove the Side cover L by releasing the Hooks in the order of 13a to 13d. Taptite bind B M4x12 Hook Front cover Side cover L Hook Taptite bind B M4x12 Hook...
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Page 215
(15) Remove the two bind B M4x12 Taptite screws, and release the Hooks by following direction from 15a to 15b, then remove the Side cover R. Hook Taptite bind B M4x12 Side cover R Taptite bind B M4x12 Hooks Hooks Hook Fig.
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Page 216
(19) Disconnect the connector of the Scanner motor harness from the Driver PCB. (20) Disconnect the connectors of the Home position sensor harness and FFC cable from the Main PCB. Note : • After disconnecting flat cable(s), check that each cable is not damaged at its end or short-circuited.
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Page 217
(22) Open the Document scanner unit. (23) Remove the Pull arm L/R from the Boss of the Document scanner unit. (24) Remove the Document scanner unit and ADF unit. ADF unit Document scanner unit Hook Pull arm R Hook Pull arm L Fig.
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Page 218
(25) Remove the four bind B M4x12 Taptite screws, and remove the NCU cover. Taptite bind B M4x12 NCU cover Taptite bind B M4x12 Joint cover ASSY Fig. 4-60 (26) Remove the Screw pan (S/P washer) M3.5x6, and remove the NCU FG harness ASSY. (27) Remove the NCU FG harness ASSY from the Guide part of the Joint cover.
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Page 219
(28) Remove the four bind B M4x12 Taptite screws from the Joint cover. (29) Release all Hooks of the Joint cover and lift up the front side of the Joint cover. (30) Pull out the Joint cover’s Bosses to the front side. Joint cover Bosses Taptite bind B M4x12...
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Page 220
(32) Remove the Filter from the Air duct. Note : • The filter is dirt. Be careful when disassembling or assembling it. Air duct Filter Fig. 4-64 (33) Remove the Hook of the Air duct from the frame. Slide the Air duct to the direction of 33b and remove the Air duct.
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Page 221
(34) Remove the two Flat cables from the Main PCB. Note : • After disconnecting flat cable(s), check that each cable is not damaged at its end or short-circuited. (35) Remove the six cup S M3x6 Taptite screws. (36) Remove the Protective film from the Flat cable. (37) Pull out the two Flat cables from the Core.
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Page 222
< Installing Procedure > (1) Secure the Laser unit with the six cup S M3x6 Taptite screws. (2) Put the Flat cable (LD harness connector) through the Core. (3) Put the Flat cable (Polygon motor connector) through the Core and Protective film. (Refer to "7.
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Page 223
(5) Install the Air duct into the Laser unit. Laser unit Air duct Fig. 4-68 (6) Install the Filter into the Air duct. Air duct Filter Fig. 4-69 4-44 Confidential...
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Page 224
(7) Install the Sub duct into the Air duct. Air duct <Back side> Sub duct Fig. 4-70 (8) Insert the bosses of the Joint cover and Hooks on the cover, then secure the Joint cover with the four bind B M4x12 Taptite screws. Bosses Joint cover Taptite bind B M4x12...
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Page 225
(9) Hang the NCU FG harness ASSY on the guide part of the Joint cover. (10) Secure the NCU FG harness ASSY with the Screw pan (S/P washer) M3.5x6. Screw pan (S/P washer) M3.5x6 NCU FG harness ASSY Joint cover ASSY Fig.
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Page 226
(12) Set the Document scanner unit and ADF unit. ADF unit Document scanner unit Joint cover Fig. 4-74 (13) Catch the Pull arm L/R onto the Bosses of the Document scanner unit. (14) Close the Document scanner unit ADF unit Boss Boss Hook...
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Page 227
(15) Connect the two Connectors into the Main PCB. (16) Connect the two Connectors into Driver PCB. (17) Secure the ADF FG harness and FB FG harness with the two cup S M3x6 Taptite screws. Driver PCB FB FG harness Driver PCB Taptite cup S M3x6 ADF FG harness...
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Page 228
(18) Connect the connectors of the Home position sensor harness and FFC cable into the Main PCB. Note : • When connecting flat cable(s), do not insert them at an angle. After insertion, check that the cables are not at an angle. (19) Connect the connector of the Scanner motor harness into the Driver PCB.
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Page 229
(22) Catch the Hooks in the order of the arrows and secure the Side cover R with the two bind B M4x12 Taptite screws. Hook Taptite bind B M4x12 Side cover R Taptite bind B M4x12 Hooks Hooks Hooks Fig. 4-79 (23) Secure the Shield cover ASSY and two FG harnesses with the four cup S M3x6SR Taptite screws.
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Page 230
(24) Catch the Hooks in the order of the arrows and secure the Side cover L with the two bind B M4x12 Taptite screws. Taptite bind B M4x12 Hook Front cover Side cover L Hooks Taptite bind B M4x12 Hooks Fig.
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Page 231
Precautions before installing the fuser unit CAUTION • DO NOT subject the fuser unit to strong physical shocks or vibrations. • DO NOT touch the rollers and the electrodes to prevent damage to the fuser unit In the following figures. •...
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Page 232
(25) Secure the Fuser unit with the pan B M4x20 Taptite screw. Taptite pan B M4x20 Fuser unit Fig. 4-82 (26) Connect the connectors of the Thermistor ASSY M and Thermistor ASSY S onto the Relay rear PCB ASSY. Hook Thermistor ASSY M Fuser unit Hook...
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Page 233
(27) Install the FU harness cover 2. FU harness cover 2 Hook Fig. 4-84 (28) Install the connector of the Heater Terminal to the connector to the Fuser unit. Fuser unit Connector Heater terminal Frame R Fig. 4-85 4-54 Confidential...
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Page 234
(29) Secure the FU harness cover 1 with the pan B M4x20 Taptite screw. Taptite pan B M4x20 FU harness cover 1 Hooks Fig. 4-86 Note : • Do not sandwich the harness of the heater terminal by the FU harness cover 1. (30) Catch the Arm of the Rear chute ASSY onto the Pin of the machine body and install the Rear chute ASSY.
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Page 235
(31) Catch the Pins of the Outer chute ASSY onto the Back cover. Outer chute ASSY Back cover Outer chute ASSY Back cover Fig. 4-88 4-56 Confidential...
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Page 236
(32) Catch the Arm of the Back cover onto the Pin of the machine body and install the Back cover, and close the Back cover. Back cover Fig. 4-89 Set the following parts after assembling. • Set the Duplex feed ASSY. •...
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Page 237
Paper feeding kit for tray 1, 2 1.2.2 < Uninstalling Procedure > Check that the following before entering the procedures. • Make sure that the AC cord is disconnected from the machine. • Make sure that the Paper is removed from the Paper tray. (1) Pull up the back side of the Separation pad ASSY.
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Page 238
(5) Turn the machine upside down. Note : • Pull out and put into the paper tray so that the Roller holder ASSY is lowered. • If the Roller holder ASSY is remained up, it cannot be removed. (6) Push the Lift arm to the direction of the arrow 6a and pull out the pin of the Roller holder ASSY.
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Page 239
(7) Slide the Roller holder ASSY to the direction of the arrow 7a. Then, lift up the gear side of the Roller holder ASSY to the direction of the arrow 7b and pull it out to the direction of the arrow 7c to remove. Roller holder ASSY Paper feed frame Fig.
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Page 240
< Installing Procedure > (1) Install the Roller holder ASSY. Note : • When assembling the roller holder ASSY, align the section "A" on the shaft of the roller holder ASSY with the hole on the paper feed frame. Roller holder ASSY "A"...
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Page 241
(2) Assemble the Lift arm onto the Pin of the Roller holder ASSY. (3) Place the machine on its base. Lift arm Roller holder ASSY Paper feed frame Fig. 4-94 4-62 Confidential...
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Page 242
(4) Set the Separation pad spring. (5) Put the Hooks of the Separation pad ASSY into the Paper tray, and turn the Separation pad ASSY to the direction of the arrow 6c to catch the Hooks into the Paper tray. Note : •...
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Page 243: Paper Feeding Kit For Mp Tray
Paper feeding kit for MP tray 1.2.3 < Uninstalling Procedure > Check that the following before entering the procedures. • Make sure that the AC cord is disconnected from the machine. • Make sure that the Drum/toner ASSY is removed. (1) Open the MP feed frame cover.
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Page 244
(2) Remove the Holder bearing MP. Holder bearing MP Hook MP feed frame Fig. 4-97 (3) Lift up the Lift arm MP to release it from the Pin of the MP roller holder ASSY. (4) Slide the MP roller holder ASSY to the direction of the arrow 4a and put it up to remove. MP roller holder ASSY Lift arm MP MP feed frame...
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Page 245
(5) Turn the back side of the Separation pad ASSY MP to the direction of the arrow 5a and put it up to remove. Separation pad ASSY MP MP feed frame MP frame Fig. 4-99 4-66 Confidential...
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Page 246
< Installing Procedure > (1) Put the Hook of the Separation pad ASSY MP into the MP feed frame and pull down the Separation pad ASSY MP to the direction of the arrow 1b until it is locked. Separation pad ASSY MP MP feed frame MP frame Fig.
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Page 247
(3) Put the Holder bearing MP into the MP feed frame and turn the Holder bearing MP to the direction of the arrow 3c to lock. Holder bearing MP Hook MP feed frame Fig. 4-102 (4) Close the MP feed frame cover. MP feed frame MP feed frame cover Front cover...
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Page 248
CHAPTER DISASSEMBLY/REASSEMBLY...
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Page 249: Table Of Contents
CHAPTER 5 DISASSEMBLY/REASSEMBLY This chapter details procedures for disassembling and reassembling the machine together with related notes. The disassembly order flow provided enables you to see at a glance the quickest way to get to component(s) involved. At the start of a disassembly job, you check the disassembly order flow that guides you through a shortcut to the object components.
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Page 250: Table Of Contents
9.8.12 PF Roller Holder ASSY ................5-70 9.8.13 LF Roller 1 ASSY ..................5-71 9.8.14 Switch Back Roller ASSY (For the models with the DX only) ..... 5-72 9.8.15 ADF Motor ....................5-74 9.8.16 Switch Back Solenoid ASSY (For the models with the DX only)....5-75 9.8.17 PF Solenoid ASSY (For the models with the DX only)........
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Page 251: Table Of Contents
9.8.49 ADF Motor ....................5-105 9.8.50 Exit Solenoid ASSY................... 5-106 9.8.51 Separate Roller Holder ASSY ..............5-107 9.8.52 Lower Document Chute ASSY ..............5-109 9.8.53 Document Front Actuator 2 / Document Front Sensor 2 ......5-110 9.8.54 Document Front Actuator 1 / Document Front Sensor 1 ......5-111 9.8.55 Pressure Roller..................
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Page 252: Table Of Contents
9.11.4 LCD Cover / Backlight Module / LCD ............5-148 ■ CIS model 9.11.5 Panel Unit....................5-149 9.11.6 Back Light PCB ASSY................5-151 9.11.7 Panel PCB ASSY / Rubber Key R/C/L ............5-152 9.11.8 LCD Holder / Panel Light Guide ..............5-153 9.11.9 Scanner Dress Cover L/R .................
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Page 253: Table Of Contents
9.22 Relay Rear PCB ASSY / LT Connector............5-188 9.23 Relay Front PCB ASSY ................... 5-190 9.24 Drive Release Link................... 5-191 9.25 MP Solenoid ASSY ..................5-192 9.26 T1 Solenoid ASSY ................... 5-193 9.27 Toner Sensor PCB ASSY................. 5-194 9.28 Register Solenoid ASSY .................. 5-195 9.29 Ejector Solenoid ASSY ..................
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Page 254
1. SAFETY PRECAUTIONS To avoid creating secondary problems by mishandling, follow the warnings and precautions below during maintenance work. WARNING • Always turn off the power switch and unplug the power cord from the power outlet before accessing any parts inside the machine. •...
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Page 255: Operating Procedure, Transferring Received Fax Data
2. TRANSFERRING RECEIVED FAX DATA When the machine at the user site requires to be repaired, unplugging the power cord from the wall socket for sending the machine for repair will lose received FAX data if unprinted and left in the machine. To prevent such data loss, the service personnel should instruct end users (e.g., by telephone) to transfer data to another facsimile machine using the procedure below.
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Page 256
(7) With the "2.ACTIVITY," "3.DOCUMENTS," "4.COM.LIST (NEW)," or "5.COM.LIST (ERR3)" being displayed, press the [OK] button. The "ENTER NO. &SET" appears. (8) Enter the telephone number of the receiver machine and press the [OK] button again. Note: • Be sure to type the telephone number with the numerical keys. No one-touch dialing is allowed in this procedure.
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Page 257
3. PACKING ■ CCD model Panel Cover Bag ASSY Accessory bag Manual Option carton AC power cord USB cable Telephotne Line Cord ASSY Drum/toner ASSY Machine Carton Fig. 5-1 Confidential...
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Page 258
■ CIS model Setup guide Option carton AC cord bag ASSY LF BS/PSB AC cord bag ASSY LF SAF AC cord bag ASSY Telephone line cord Drum caution sheet AC cord bag ASSY LF SAA USB cable Polystyrenefoam pad F Polystyrenefoam pad R Machine Warranty card...
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Page 259: Screw Torque List
4. SCREW TORQUE LIST Tightening Location of screw Screw type Q’ty torque N · m (kgf · cm) FU harness cover 1 Taptite pan B M4x20 0.7±0.1 (7±1) model Fuser unit Taptite pan B M4x20 0.7±0.1 (7±1) model Process cover stopper Taptite cup B M4x10 0.5±0.1 (5±1) Emblem cover...
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Page 260
Tightening Location of screw Screw type Q’ty torque N · m (kgf · cm) ADF chute ASSY Taptite cup B M3x10 0.5±0.1 (5±1) model ADF FG harness Taptite cup S M3x6 SR 0.7±0.1 (7±1) ADF relay PCB ASSY Taptite cup S M3x6 SR 0.7±0.05 (7±0.5) Taptite cup S M3x6 SR 0.7±0.05 (7±0.5)
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Page 261
Tightening Location of screw Screw type Q’ty torque N · m (kgf · cm) NCU cover Taptite bind B M4x12 0.8±0.1 (8±1) model NCU shield Taptite bind B M4x12 0.8±0.1 (8±1) Screw, pan (S/P NCU FG harness ASSY 0.4±0.05 (4±0.5) washer) M3.5X6 NCU PCB ASSY Taptite cup S M3x6 SR...
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Page 262
Tightening Location of screw Screw type Q’ty torque N · m (kgf · cm) Taptite cup S M3x6 SR 0.75±0.1 (7.5±1) Main PCB model Screw pan M3x6 0.5±0.1 (5±1) model Taptite bind B M4x12 0.9±0.05 (9±0.5) Gear plate calking ASSY Taptite cup S M3x6 SR 0.7±0.1 (7±1) Main motor ASSY...
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Page 263
5. LUBRICATION The kind of the lubricating oil Lubrication point Quantity of lubrication (Maker name) BG-MU Dev gear 37R joint drive 2mm dia. ball (Kanto Kasei) Main motor ASSY Drum gear 82R ADF cover 1.5mm dia. ball BG1.5 Document exit roller ASSY Switch back roller ASSY EM-D110 (Dow Corning) Separation pad ASSY...
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Page 264
BG1.5 The inside side center ADF cover ASSY BG1.5 The inside side center Only CIS model Fig. 5-4 BG1.5 Document exit roller ASSY Only CIS model Fig. 5-5 BG1.5 Switch back roller ASSY Only CIS model Fig. 5-6 5-11 Confidential...
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Page 265
Separation pad ASSY 4 places Fig. 5-7 5-12 Confidential...
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Page 266: Gear Layout Drawing
6. GEAR LAYOUT DRAWING ■ Development view <Paper feed part> <Paper eject part> Refer to Gear name of 5-15. 5-13 Confidential...
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Page 267
■ Front view Refer to Gear name of 5-15. 5-14 Confidential...
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Page 268
■ Gear name LM5016001 EJECTOR GEAR 16 LM5065001 MP GEAR 55/60 SECTOR LJ7365001 IDLE GEAR 16B LM5104001 GEAR 17 (white) LM5016001 EJECTOR GEAR 16 LM5057001 FEEDER GEAR 48 LM5013001 EJECT GEAR 28 SECTOR LM5050001 DX GEAR 27/68 L LM5019001 EJECTOR GEAR 22 LM5460001 P/P DIFFERENTIAL LM5048001...
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Page 269: Harness Routing
7. HARNESS ROUTING MP PE sensor ASSY Hook "A" MP feed frame Machine top side (Machine body upside down) Hole Hook "B" Hook "A" MP PE sensor ASSY MP feed frame High-voltage PS PCB ASSY 5-16 Confidential...
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Page 270
PE EG sensor ASSY Hook "B" PE EG sensor ASSY Hole "A" Machine top side (Machine body upside down) Hook "B" Paper feed frame Hole "A" PE EG sensor ASSY Paper Feed frame Hook "A" High-voltage PS PCB ASSY Front Cover Sensor ASSY Relay front PCB ASSY Hooks Front cover sensor ASSY...
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Page 271
Toner sensor PCB ASSY Relay front PCB ASSY Hooks Frame L Hook Hook Hook Toner sensor PCB ASSY Regist solenoid ASSY Relay front PCB ASSY Hooks Frame L Hook Hook Hook Hook Hook Register solenoid ASSY 5-18 Confidential...
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Page 272
MP solenoid ASSY Relay front PCB ASSY Hooks Frame L Hooks Hook MP solenoid ASSY T1 solenoid ASSY Relay front PCB ASSY Hooks Frame L Hooks Hook T1 solenoid ASSY 5-19 Confidential...
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Page 273
Relay front PCB ASSY Frame L Hook Relay front PCB ASSY Main PCB Laser unit Frame L Laser unit Core Hole LD harness (Flat cable) Main PCB Hook Protective film Gear cover Polygon motor (Flat cable) 5-20 Confidential...
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Page 274
Fan motor 60 unit Frame R Hooks Fan motor 60 unit Toner LED PCB unit ASSY Fan motor 60 unit LV Hooks Hook Frame R Hook Hook Toner LED PCB unit ASSY Fan motor 60 unit LV 5-21 Confidential...
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Page 275
Toner LED PCB unit ASSY Hooks Frame R Hook Toner LED PCB unit ASSY Hook Hole High-voltage PS PCB ASSY Hook Hooks Machine top side (Machine body upside down) Hole 5-22 Confidential...
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Page 276
LVPS PCB unit Machine top side (Machine body upside down) Base plate LV LVPS PCB unit Hook SW holder ASSY Power supply switch LVPS PCB <A view> unit terminal <A view> Core Hooks Inlet harness ASSY FG harness FG harness Shield cover ASSY Main PCB Main PCB...
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Page 277
ADF unit (CCD model) <A view> ADF motor harness ADF FG harness ADF Relay harness ADF Relay PCB ADF motor ADF harness Hole "B" Document cover Document cover sensor sensor harness ADF unit Hole "B" ADF harness Hole Drive PCB Document scanner unit ADF motor harness ADF FG harness...
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Page 278
ADF unit (Document front sensor 1, Document front sensor 2) (CCD model) <A view> Motor frame ASSY Hook Hole "C" Hooks Document front sensor 2 Document front Paper feed chute ASSY sensor 1 ADF Relay PCB Document front Hole "C" sensor 1 <A view>...
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Page 279
ADF unit (Document rear sensor, Switch back sensor) (CCD model) Switch back sensor <A view> Switch back sensor Actuator Document rear sensor Switch back sensor harness switch back ADF Relay PCB Hook <A view> Hook Document Document Switch back sensor Hooks rear sensor rear actuator...
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Page 280
ADF unit (CIS model) ADF motor harness Driver PCB harness ADF Relay harness Document cover sensor harness ADF Relay PCB ADF FG harness ADF motor ADF unit Scanner unit Hole Drive PCB ADF harness FG harness Document cover sensor harness ADF Relay harness Main PCB Document eject sensor harness...
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Page 281
ADF unit (Document front sensor 1, Document front sensor 2) (CIS model) Hole ADF Relay PCB Document eject sensor Motor frame ASSY Document front sensor 1 Document front sensor 2 ADF chute ASSY <B view> Document <B view> eject actuator Document eject sensor Document front sensor 1...
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Page 282
ADF unit (Document rear sensor, Switch back sensor) (CIS model) ADF Relay Switch back sensor harness Document rear sensor harness <A view> Switch back Switch back Document rear sensor harness sensor sensor harness <A view> Hook Document rear sensor Switch back sensor Actuator Document Document...
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Page 283
Document scanner unit (CCD module, Home position sensor) (CCD model) Drive plate ASSY Hook FFC plate Scanner unit CCD module Home position sensor Drive plate ASSY Hole Home position sensor Home position sensor harness FFC cable Main PCB Document scanner unit (Scanner motor, FB FG harness) (CCD model) Scanner motor FB Hole Scanner unit...
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Page 284
Document scanner unit (CIS module, Home position sensor) (CIS model) Scanner unit Drive plate ASSY CIS module Hole Drive PCB Home position sensor Home position sensor harness FFC cable Main PCB Document scanner unit (Scanner motor, FB FG harness) (CIS model) Scanner unit rive plate ASSY Scanner motor FB...
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Page 285
Panel unit (CCD model) Panel unit Tape Hook Panel PCB Panel unit ASSY Hole Panel PCB harness Main PCB Panel PCB harness Speaker ASSY (CCD model) Speaker ASSY Hook Hook Joint cover ASSY Hole Main PCB 5-32 Confidential...
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Page 286
Panel unit (CIS model) Panel unit ASSY Panel PCB Panel PCB harness Main PCB Speaker ASSY (CIS model) Speaker ASSY Joint cover ASSY Main PCB 5-33 Confidential...
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Page 287
NCU unit (CCD model) NCU unit NCU FG harness Joint cover ASSY NCU FG harness Frame L NCU harness Hole Hole Base plate LV Main PCB Machine top side (Machine body upside down) NCU unit (CIS model) NCU FG harness NCU unit NCU FG harness Frame L...
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Page 288
Fuser unit Thermistor ASSY M LVPS PCB unit Hooks Fuser unit Thermistor ASSY S Relay rear PCB ASSY Heater terminal Relay rear PCB ASSY, Ejector solenoid Ejector solenoid Duplex tray sensor Frame L Main shield plate ASSY Main PCB sheet Main PCB Relay rear PCB ASSY Insulation sheet...
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Page 289
LVPS PCB unit, High-voltage PS PCB ASSY Frame L Main PCB sheet LVPS PCB unit Insulation sheet Main PCB High-voltage PS PCB ASSY Main motor ASSY, Thermistor ASSY, LT connector Frame L Thermistor ASSY Thermistor ASSY LT connector Main PCB Main motor ASSY 5-36 Confidential...
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Page 290
Driver PCB, Battery (CCD model) Battery harness Battery Joint cover ASSY Hole Drive PCB Driver harness Main PCB 5-37 Confidential...
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Page 291
Driver PCB, Battery (CIS model) Battery harness Battery Main PCB Drive PCB Driver harness 5-38 Confidential...
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Page 292
Wireless LAN PCB (PCB T60H929.00 ASSY 02) (CCD model only) Wireless LAN PCB harness LD harness Hook Air duct Hole Frame R Hook <A view> Hook Main PCB <A view> Frame L Hole Main PCB Wireless LAN PCB (PCB T60H929 ASSY 02) 5-39 Confidential...
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Page 293
USB HOST PCB (CCD model) Joint cover ASSY USB HOST harness ASSY Hooks USB HOST PCB Hole Main PCB USB PCB holder USB HOST PCB (CIS model) Joint cover ASSY USB HOST harness ASSY Hook USB PCB holder Main PCB USB HOST PCB 5-40 Confidential...
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Page 294: Disassembly Flow Chart
8. DISASSEMBLY FLOW CHART - CCD model Disassembly / Re-Assembly (second) 9.3 Rear Chute 9.8.17 PF Solenoid 9.1 Paper Tray 9.2 Back Cover 9.4 Fuser Unit 9.34 Filter ASSY ASSY 10/10 40/50 10/15 15/10 5/10 9.8.15 ADF Motor 9.8.16 Switch Back 9.8.23 Pressure 9.6 MP Tray Cover 9.5 Tray MP ASSY...
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Page 295
- CIS model Disassembly / Re-Assembly (second) 9.8.41 ADF Cover 9.8.45 Document 9.18.3 Pull Arm 9.1 Paper Tray 9.5 Tray MP ASSY ASSY Sponge Support Guide 10/10 15/15 20/25 15/15 9.7 Access Cover / 9.8.38 ADF Unit 9.8.39 Hinge Arm R 9.8.47 Motor 9.8.48 PF Side Cover L...
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Page 296: Disassembly Procedure
9. DISASSEMBLY PROCEDURE ■ Preparation Prior to proceeding with the disassembly procedure, (1) Unplug • the AC cord, • the USB cable, if connected, • the LAN cable, if connected. (2) Remove • the Paper tray, • the Toner cartridge and Drum unit, •...
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Page 297: Paper Tray
Paper Tray (1) Pull up the back side of the Separation pad ASSY. (2) Push the Hooks provided on both sides of the Separation pad ASSY inwards. (3) Pull up the Separation pad ASSY. Separation pad ASSY Hooks Hook Hook Paper tray Fig.
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Page 298
(4) Remove the Separation pad spring. Separation pad spring Paper tray Fig. 5-10 (5) Push the hook of the lift gear 46 while pushing up the plate up plate, and remove the Lift gear 46. Plate up plate Plate up plate Lift gear 46 Hook Paper tray...
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Page 299
(6) Remove the Gear 21-16. Gear 21-16 Paper tray Fig. 5-12 (7) Remove the Gear 15. Gear 15 Paper tray Fig. 5-13 5-46 Confidential...
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Page 300: Back Cover
Back Cover (1) Open the Back cover. (2) Remove the Arm of the Back cover from the Pin. Back cover Fig. 5-14 5-47 Confidential...
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Page 301
(3) Remove the Pins of the Outer chute ASSY from the Back cover. (4) Remove the Back cover. Outer chute ASSY Back cover Outer chute ASSY Back cover Fig. 5-15 5-48 Confidential...
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Page 302
Rear Chute ASSY (1) Hold the Knobs on the Rear chute ASSY and pull down this to your side. (2) Remove the Arms of the Rear chute ASSY from the Pins. (3) Remove the Rear chute ASSY. Knob Rear chute ASSY Knob Fig.
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Page 303
(5) Push the Hook of the Rear chute (indicated by the arrow 5a), and move the Eject actuator to the direction of 5b. (6) Lift up the Eject actuator to remove. (7) Remove the Eject actuator spring. Eject actuator spring Eject actuator Rear chute Hook...
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Page 304: Fuser Unit
Fuser Unit (1) Remove the pan B M4x20 Taptite screw. Release the Hooks in the order of 1a, 1b and 1c. Remove the FU harness cover 1. Taptite, pan B M4x20 FU harness cover 1 Hooks Fig. 5-20 (2) Disconnect the connector of the Heater terminal while pressing the Hook of the connector of the Fuser unit.
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Page 305
(3) Pull the FU harness cover 2 to the direction of 3a while pressing the hook and pull out the FU harness cover 2 at the back. FU harness cover 2 Hook Fig. 5-22 (4) Disconnect the connectors of the Thermistor ASSY M and Thermistor ASSY S from the Relay rear PCB ASSY, and remove the harnesses of these thermistors.
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Page 306
CAUTION • DO NOT subject the fuser unit to strong physical shocks or vibrations. • DO NOT touch the rollers and the electrodes to prevent damage to the fuser unit In the following figures. (5) Remove the pan B M4x20 Taptite screw, and then remove Fuser unit. Taptite, pan B M4x20 Fuser unit Fig.
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Page 307
Assembling Note: • To prevent the deformation of the pressure roller, the fuser unit spare part is shipped with its pressure roller at low nip pressure. Before installing the fuser unit, turn back the levers to the normal position by following instructions below. (1) Put the fuser unit on a flat, horizontal surface.
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Page 308: Tray Mp Assy
Tray MP ASSY (1) Open the MP tray cover ASSY. (2) Release the Pins of the Tray MP ASSY from the MP tray cover ASSY. (3) Remove the Tray MP ASSY. Process cover ASSY MP tray cover ASSY Tray MP ASSY Fig.
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Page 309: Mp Tray Cover Assy / Process Cover Assy / Emblem Cover
MP Tray Cover ASSY / Process Cover ASSY / Emblem cover (1) Push the front cover release button. (2) Open Process cover ASSY. (3) Release the Hook to remove the Process cover stopper. Front cover release button Process cover ASSY Drive release link Hook MP tray cover ASSY...
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Page 310
(4) Remove the MP tray cover ASSY and the Process cover ASSY to the direction of 4a and 4b to release the Pins, and remove them. Process cover ASSY MP tray cover ASSY Fig. 5-29 (5) Pull the Arm outwards and remove the Process cover ASSY from the MP tray cover ASSY. Process cover ASSY MP tray cover ASSY Fig.
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Page 311
(6) Remove the cup B M4x10 Taptite screw, and then remove the Process cover stopper. Process cover Process cover stopper Taptite, cup B M4x10 Fig. 5-31 (7) Remove the Support flap 1 from the Process cover. Support flap 1 Process cover Fig.
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Page 312
(8) Remove the Hook of the right side, and then remove the MP tray extention from the MP tray cover ASSY. Hook MP tray extention MP tray cover ASSY Fig. 5-33 (9) Remove the two cup B M3x10 Taptite screws, and then remove the Emblem cover from the MP tray cover.
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Page 313: Access Cover / Side Cover L
Access Cover / Side Cover L (1) Remove the Access cover. Access cover Fig. 5-35 (2) Remove the two bind B M4x12 Taptite screws, and then remove the Side cover L by releasing the Hooks from 2a to 2d. Taptite, bind B M4x12 Hook Side cover L Taptite, bind B M4x12...
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Page 314
ADF Unit ■ CCD model Note: • In the case of the model, refer to "9.8.38 ADF Unit" "9.8.68 LF Roller 3 ASSY". ADF Unit 9.8.1 (1) Remove the four cup S M3x6 SR Taptite screws, remove the two FG harnesses and then remove the Shield cover ASSY.
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Page 315
(2) Remove the cup S M3x6 Taptite screw, remove the ADF FG harness and FB FG harness. (3) Disconnect the Connector from the Driver PCB. (4) Disconnect the two Connectors from the Main PCB. Driver PCB <Left side> Driver PCB Connector (ADF motor harness) ADF FG harness...
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Page 316
Hinge Arm R 9.8.2 (1) Turn the Document cover LGL upside down. Remove the Hinge arm R from the Hinge base R. Hinge arm R <Lower side> Document cover LGL Hinge base R Fig. 5-40 Hinge Base R 9.8.3 (1) Remove the three cup B M3x10 Taptite screws, and then remove the Hinge base R. Taptite cup B M3x10 Hinge base R <Lower side>...
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Page 317: Hinge Assy L, Adf Cover Assy
Hinge ASSY L 9.8.4 (1) Remove the two cup B M3x10 Taptite screws and the cup S M3x12 Taptite screw, and then remove the Hinge ASSY L. Taptite cup B M3x10 Taptite cup S M3x12 Hinge ASSY L <Lower side> Document cover LGL Fig.
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Page 318: Adf Side Cover F, Adf Side Cover R
ADF Side Cover F 9.8.6 (1) Push the Hook from underneath the ADF unit to release the Latch, and remove the cup S M3x8 Taptite screw and cup B M3x10 Taptite screw from the ADF Side cover F. (2) Remove the ADF side cover F from the ADF unit. Taptite cup S M3x8 ADF side cover F Taptite cup B M3x10...
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Page 319
ADF Chute ASSY 9.8.8 (1) Disconnect the 7 connectors (for the model supporting the DX tray only) or 3 connectors (for the model supporting no DX tray only) from the ADF relay PCB. (2) Disconnect the connector of the ADF motor harness from the ADF motor. (3) Remove the cup S M3x8 Taptite screw and ADF FG harness.
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Page 320
(5) Turn the Document cover LGL the correct way up and remove the four cup B M3x10 Taptite screws from the ADF chute ASSY. (6) Release the hook to remove the ADF chute ASSY from the Document cover LGL. Hook Taptite cup B M3x10 Taptite cup B M3x10 ADF chute ASSY...
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Page 321: Sub Chute Assy (for The Models With The Dx Only)
Sub Chute ASSY (For the models with the DX only) / 9.8.9 SX Chute (For the models without the DX only) (1) Remove the two cup S M3x8 Taptite screws. (2) Remove the Sub chute ASSY or SX chute from the ADF chute ASSY. Taptite cup S M3x8 Sub chute ASSY or SX chute Taptite cup S M3x8...
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Page 322: Earth Spring
9.8.11 Earth Spring (1) Turn the Exit chute cover ASSY upside down. Remove the Earth spring from the Exit chute cover ASSY. Earth spring Exit chute cover ASSY Antistatic brush Fig. 5-52 Assembling Note: • When assembling the Earth spring, ensure that the end of the Earth spring is attached onto the Antistatic brush as shown in the figure below.
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Page 323: Pf Roller Holder Assy
9.8.12 PF Roller Holder ASSY (1) Turn the ADF chute ASSY upside down. Release the Hooks of the Conductive bushing A to remove the Conductive bushing A. (2) Remove the Bushing from the ADF chute ASSY, and remove the PF roller holder ASSY from the ADF chute ASSY.
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Page 324
9.8.13 LF Roller 1 ASSY (1) Release the Hooks of the Conductive bushing A to remove the Conductive bushing A. (2) Release the Lock lever and then remove the Bushing from the ADF chute ASSY, and remove the LF roller 1 ASSY from the ADF chute ASSY. Bushing LF roller 1 ASSY Conductive bushing A...
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Page 325
9.8.14 Switch Back Roller ASSY (For the models with the DX only) (1) Release the Hooks of the Conductive bushing A to remove the Conductive bushing A. (2) Remove the Bushing from the ADF chute ASSY, and remove the Switch back roller ASSY from the ADF chute ASSY.
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Page 326
• When assembling each of the Switch back roller ASSY, LF roller 2/3/4 ASSYs and Exit roller ASSY, make sure to assemble it onto the correct position. Identify each roller by four shades of the rollers. Lighter LF roller 3 ASSY Switch back roller ASSY (For the models with the Reading DX only) LF roller 2 ASSY...
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Page 327
9.8.15 ADF Motor (1) Remove the two screw pan (S/P washer) M3x6, and then remove the ADF motor. ADF motor Screw, pan (S/P washer) M3X6 Motor frame ASSY Fig. 5-60 (2) Remove the three cup S M3x8 Taptite screws, and then remove the Motor frame ASSY. Motor frame ASSY Taptite cup S M3x8 View A...
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Page 328: Switch Back Solenoid Assy (for The Models With The Dx Only)
9.8.16 Switch Back Solenoid ASSY (For the models with the DX only) (1) Remove the cup S M3x8 Taptite screw. (2) Remove the Switch back solenoid ASSY. Motor frame ASSY Taptite cup S M3x8 Switch back solenoid ASSY Fig. 5-63 9.8.17 PF Solenoid ASSY (For the models with the DX only) (1) Remove the cup S M3x8 Taptite screw.
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Page 329: Adf Relay Pcb
9.8.18 ADF Relay PCB (1) Remove the cup S M3x8 Taptite screw. (2) Remove the ADF relay PCB. Taptite cup S M3x8 ADF Relay PCB Motor frame ASSY Fig. 5-65 5-76 Confidential...
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Page 330: Paper Feed Chute Assy
9.8.19 Paper Feed Chute ASSY (1) Remove the two cup S M3x8 Taptite screws. (2) Remove the Paper feed plate. (For the models with the DX only) Taptite cup S M3x8 Paper feed plate Taptite cup S M3x8 Fig. 5-66 (3) Remove the two cup S M3x8 Taptite screws.
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Page 331
9.8.20 Document Front Actuator 1 / Document Front Sensor 1 (For the models with the DX only) (1) Turn the Paper feed chute ASSY upside down. Release the Hooks of the Document front sensor 1 to remove the Document front sensor 1 from the Paper feed chute ASSY. (2) Disconnect the Connector from the Document front sensor 1.
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Page 332
9.8.21 Document Front Actuator 2 / Document Front Sensor 2 (For the models with the DX only) (1) Release the Hooks of the Document front sensor 2 to remove the Document front sensor 2 from the Paper feed chute ASSY. (2) Disconnect the Connector from the Document front sensor 2.
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Page 333
9.8.22 ADF Film / Spring Plate ADF Front A ASSY / Separation Rubber / Rubber Holder / Separation Spring (1) Remove the ADF film. (2) Remove the B M3x6 Taptite screw, and then remove the Spring plate ADF front A ASSY. (3) Remove the Separation rubber.
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Page 334: Pressure Roller / Lf Spring
9.8.23 Pressure Roller / LF Spring (1) Push the Hook to the direction of the arrow (1a) as shown in the figure below while holding the Pressure roller, and remove the Pressure roller shaft from the hook. (2) Pull the Pressure roller shaft out of the Pressure roller. (3) Remove the two LF springs.
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Page 335
9.8.24 LF Roller 2 ASSY (1) Release the Hooks of the Conductive bushing A to remove the Conductive bushing A. (2) Remove the Bushing from the ADF chute ASSY, and remove the LF roller 2 ASSY from the ADF chute ASSY. Bushing LF roller 2 ASSY Hooks...
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Page 336
9.8.25 Document Exit Roller ASSY (1) Release the Hooks of the Conductive bushing A to remove the Conductive bushing A. (2) Remove the Bushing from the ADF chute ASSY, and remove the Document exit roller ASSY from the ADF chute ASSY. Bushing Document exit roller ASSY ADF chute ASSY...
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Page 337
9.8.26 LF Roller 3 ASSY (1) Turn the ADF chute ASSY upside down. Release the Hooks of the Conductive bushing A to remove the Conductive bushing A. (2) Remove the Bushing from the ADF chute ASSY, and remove the LF roller 3 ASSY from the ADF chute ASSY.
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Page 338: Lf Roller 4 Assy
9.8.27 LF Roller 4 ASSY (1) Release the Hooks of the Conductive bushing A to remove the Conductive bushing A. (2) Remove the Bushing from the ADF chute ASSY, and remove the LF roller 4 ASSY from the ADF chute ASSY. Bushing LF roller 4 ASSY <Front side>...
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Page 339: Flap A (for The Models Without The Dx)
9.8.28 Flap A ASSY (For the models with the DX) / Flap A (For the models without the DX) (1) Release the Hooks of the Conductive bushing A to remove the Conductive bushing A. (2) Remove the Bushing from the ADF chute ASSY, and remove the Flap A ASSY or Flap A from the ADF chute ASSY.
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Page 340: Document Hold / Document Hold Spring, Upper Main Chute Assy / Lower Main Chute Assy
9.8.29 Document Hold / Document Hold Spring (1) Push the Hooks to the direction of the arrows as shown in the figure below to remove the Document hold. (2) Remove the Document hold spring gently to prevent it from jumping. Hook Document hold Hook...
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Page 341
(3) Remove the three cup B M3x10 Taptite screws. (4) Remove the Front frame. Main chute ASSY Front frame <Front side> Taptite cup B M3x10 Fig. 5-86 (5) Remove the four cup B M3x10 Taptite screws. (6) Remove the Upper main chute ASSY from the Lower main chute ASSY. Taptite cup B M3x10 Taptite cup B M3x10 Upper main chute ASSY...
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Page 342
9.8.31 Document Rear Actuator / Document Rear Sensor (1) Turn the Document rear actuator to the direction of the arrow 1a and pull it out to the direction of the arrow 1b. Document rear actuator Lower main chute ASSY Fig. 5-88 (2) Release the Hooks of the Document rear sensor to remove the Document rear sensor from the Lower main chute ASSY.
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Page 343: Flap B
9.8.32 Flap B (1) Remove the Flap B from the Lower main chute ASSY. Flap B Lower main chute ASSY Fig. 5-90 5-90 Confidential...
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Page 344
9.8.33 Switch Back actuator / Switch Back Sensor (For the models with the DX only) (1) Push down the Stopper, slide the Switch back actuator to the stopper side and pull up the Actuator switch back to remove. Switch back actuator Lower main chute ASSY Stopper Fig.
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Page 345: Document Eject Tray, Document Cover Sensor
9.8.34 Document Eject Tray (1) Remove the ADF document output support flap from the Document cover. ADF document output support flap Document cover <Front side> Fig. 5-93 9.8.35 Document Cover Sensor (1) Disconnect the Connector from the Document cover sensor. (2) Pull the Document cover sensor downwards to remove it from the Document cover while pressing the Hook of the Document cover sensor.
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Page 346: Eject Roller B
9.8.36 Eject Roller B4 (1) Remove the four Eject rollers B4 and two Pressure roller shaft S from the Document cover. Eject rollers B4 Pressure roller shaft S Eject rollers B4 Pressure roller shaft S Document cover <Front side> Hook Fig.
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Page 347: Pressure Roller
9.8.37 Pressure Roller (1) Turn the Document cover upside down. Remove the two cup B M3x10 Taptite screws. (2) Remove the Rear sensor cover from the Document cover. Taptite cup B M3x10 Taptite cup B M3x10 Rear sensor cover Document cover Fig.
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Page 348
■ CIS model Note: • In the case of the model, refer to "9.8.1 ADF Unit" "9.8.37 Pressure Roller". 9.8.38 ADF Unit (1) Remove the four cup S M3x6SR Taptite screws, remove the two FG harnesses and then remove the Shield cover ASSY. FG harness Taptite cup S M3x6SR Shield cover ASSY...
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Page 349
(2) Remove the cup S M3x6 Taptite screw, remove the ADF FG harness. (3) Disconnect the two Connectors from the Driver PCB. (4) Disconnect the two Connectors from the Main PCB. Driver PCB Driver PCB Taptite cup S M3x6 ADF FG harness Connector (FB cover sensor) Connector...
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Page 350: Hinge Assy
9.8.39 Hinge Arm R (1) Turn the ADF unit upside down, and remove the Hinge arm R. Hinge arm R ADF unit Fig. 5-101 9.8.40 Hinge ASSY (1) Remove the three cup S M3x10 Taptite screws, and then remove the Hinge ASSY from the ADF unit.
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Page 351
9.8.41 ADF Cover ASSY (1) Turn the ADF unit upside down. Remove the Document eject tray from the ADF unit. (2) Remove the ADF cover ASSY from the ADF unit. ADF cover ASSY Document eject tray ADF unit Fig. 5-103 5-98 Confidential...
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Page 352: Adf Front Cover, Adf Gear Cover
9.8.42 ADF Front Cover (1) Release the Hook, and remove the ADF front cover from the ADF unit. ADF front cover ADF unit Hook Fig. 5-104 9.8.43 ADF Gear Cover (1) Remove the cup B M3x10 Taptite screw. (2) Release the Hooks from the under side of the ADF unit, and remove the ADF gear cover from the ADF unit.
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Page 353
9.8.44 ADF Chute ASSY (1) Remove the four cup B M3x10 Taptite screws, and remove the ADF chute ASSY from the Document cover sub ASSY. Taptite cup B M3x10 Taptite cup B M3x10 ADF chute ASSY Document cover sub ASSY Document guide Document guide Fig.
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Page 354: Document Sponge Support
9.8.45 Document Sponge Support (1) Release the Hooks, and remove the Document sponge support from the Document cover sub ASSY. Document cover sub ASSY Hook Document sponge support Hook Hook Fig. 5-107 5-101 Confidential...
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Page 355: Adf Relay Pcb Assy
9.8.46 ADF Relay PCB ASSY There are two kinds of the ADF unit by redesign of the product. Refer to "9.8.47 Motor Frame ASSY". (1) Remove the cup S M3x6SR Taptite screw, and remove the ADF FG harness. (2) Disconnect the eight Connectors from the ADF relay PCB ASSY. (3) Disconnect the Connector of the ADF motor harness from the ADF motor.
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Page 356
(4) Remove the cup S M3x6SR Taptite screw, and remove the ADF relay PCB ASSY. (5) Disconnect the three Connectors from the ADF relay PCB ASSY. Taptite cup S M3x6SR ADF relay PCB ASSY Document front sensor 1 Document front sensor 2 Document eject sensor ADF relay PCB ASSY Fig.
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Page 357: Motor Frame Assy
9.8.47 Motor Frame ASSY (1) Remove the three cup S M3x6SR Taptite screws and one cup S M3x10 Taptite screw, and remove the Motor frame ASSY. Taptite cup S M3x10 "A" part of the Motor frame ASSY Motor frame ASSY Exit chute Taptite cup S M3x6SR Fig.
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Page 358: Pf Solenoid Assy
9.8.48 PF Solenoid ASSY (1) Remove the cup S M3x6SR Taptite screw, and remove the Pickup solenoid ASSY. (2) Remove the Solenoid release spring from the Pickup solenoid ASSY. (3) Release the Hook, and remove the Pick solenoid lever from the Shaft of the Motor frame ASSY.
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Page 359: Exit Solenoid Assy
9.8.50 Exit Solenoid ASSY (1) Release the Hook, and remove the Pick up planetary gear from the Shaft of the D frame calking ASSY. (2) Remove the cup S M3x6SR Taptite screw, and remove the Exit solenoid ASSY from the D frame calking ASSY.
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Page 360: Separate Roller Holder Assy
9.8.51 Separate Roller Holder ASSY (1) Turn the ADF chute ASSY upside down. (2) Remove the cup B M3x10 Taptite screw. (3) Pull up the Separate roller holder ASSY and remove the Bushing from the Lower document chute ASSY, and then remove the Separate roller holder ASSY. Bushing Taptite cup B M3x10 Separation roller gear 35...
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Page 361
(4) Turn the Separate roller holder ASSY upside down. (5) Push the Stopper, slide the Separation roller gear 35 to the Stopper side and remove the Separation roller gear 35. Note: • Align the protrusion on the Separation roller gear 35 with the notch on the Separate roller holder ASSY, and pull out them.
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Page 362: Lower Document Chute Assy
9.8.52 Lower Document Chute ASSY (1) Remove the four cup B M3x10 Taptite screws, and remove the Lower document chute ASSY from the ADF chute ASSY. Taptite cup B M3x10 Taptite cup B M3x10 Lower document chute ASSY ADF chute ASSY Fig.
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Page 363
9.8.53 Document Front Actuator 2 / Document Front Sensor 2 (1) Push down the Stopper, slide the Document front actuator 2 to the Stopper side and pull up the Document front actuator 2. (2) Release the Hook of the Document front sensor 2, and remove the Document front sensor 2 from the Lower document chute ASSY.
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Page 364
9.8.54 Document Front Actuator 1 / Document Front Sensor 1 (1) Push down the Stopper, slide the Document front actuator 1 to the Stopper side and pull up the Document front actuator 1. (2) Release the Hooks of the Document front sensor 1, and remove the Document front sensor 1 from the Lower document chute ASSY.
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Page 365
9.8.55 Pressure Roller (1) Remove the three cup B M3x6 Taptite screws, and remove the Support plate from the Lower document chute ASSY. (2) Remove the two LF coil springs. Taptite cup B M3x6 Taptite cup B M3x6 Support plate Taptite cup B M3x6 LF coil springs Lower document chute ASSY...
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Page 366
(3) Remove the Pressure roller shaft from the Lower document chute ASSY. (4) Remove the two Pressure rollers from the Pressure roller shaft. Pressure roller shaft Pressure rollers Lower document chute ASSY Fig. 5-122 5-113 Confidential...
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Page 367: Separation Rubber
9.8.56 Separation Rubber (1) Push the Stopper of the ADF chute ASSY, and remove the Sub nip piece from the ADF chute ASSY. (2) Remove the Nip piece from the Sub nip piece. (3) Remove the Spring from the ADF chute ASSY. (4) Remove the Separation rubber from the ADF chute ASSY.
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Page 368
9.8.57 LF Roller 1 ASSY (1) Remove the End “a” of the LF2 film from the ADF chute ASSY. (2) Release the Hook of the Conductive Bushing N to remove the Conductive Bushing N. (3) Remove the Bushing 6 from the ADF chute ASSY, and remove the LF roller 1 ASSY from the ADF chute ASSY.
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Page 369
9.8.58 LF Roller 2 ASSY (1) Release the Hook of the Conductive Bushing N to remove the Conductive Bushing N. (2) Remove the Bushing from the ADF chute ASSY, and remove the LF roller 2 ASSY from the ADF chute ASSY. LF roller 2 ASSY Conductive Bushing N Bushing...
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Page 370: Document Exit Tray Sensor Cover Assy
9.8.59 Document Exit Tray Sensor Cover ASSY (1) Remove the cup B M3x10 Taptite screw, and remove the Document exit tray sensor cover ASSY from the ADF chute ASSY. Document exit tray sensor cover ASSY Taptite cup B M3x10 ADF chute ASSY Fig.
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Page 371: Document Eject Actuator / Document Eject Sensor
9.8.60 Document Eject Actuator / Document Eject Sensor (1) Turn the Document exit tray sensor cover ASSY upside down. (2) Push down the Stopper, slide the Document eject actuator to the Stopper side and pull up the Document eject actuator. (3) Remove the Document rear actuator/Switch back spring from the Document eject actuator.
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Page 372: Document Exit Tray Roller Holder Assy
9.8.61 Document Exit Tray Roller Holder ASSY (1) Push the Stopper, slide the Document exit tray roller shaft to the Stopper side and remove the Document exit tray roller shaft. (2) Release the Hook, and remove the Document exit tray roller gear 41 from the Document exit tray roller shaft.
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Page 373: Actuator Switch Back / Switch Back Sensor
9.8.62 Actuator Switch Back / Switch Back Sensor (1) Pull the Arms of the Upper Document sub chute ASSY outwards and remove the Document hold from the Upper Document sub chute ASSY. Document hold Upper document sub chute ASSY Fig. 5-131 5-120 Confidential...
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Page 374
(2) Push down the Stopper, slide the Actuator switch back to the Stopper side and pull up the Acutuator switch back. (3) Remove the Document rear actuator/Switch back spring from the Actuator switch back. (4) Release the Hooks of the Switch back sensor, and remove the Switch back sensor from the Upper document sub chute ASSY.
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Page 375
9.8.63 Document Rear Actuator / Document Rear Sensor (1) Push down the Stopper, slide the Document rear actuator to the Stopper side and pull up the Document rear actuator. (2) Remove the Document rear actuator/Switch back spring from the Document rear actuator.
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Page 376: Lf2 Film
9.8.64 LF2 Film (1) Remove the two cup B M3x10 Taptite screws. (2) Release the two Hooks, and pull up the Upper document sub chute from the ADF chute ASSY. (3) Release the two Stoppers of the LF2 film from the back side of the Upper document sub chute, and remove the LF2 film from the Upper document sub chute.
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Page 377: Adf Cover Open Sensor Holder
9.8.65 ADF Cover Open Sensor Holder (1) Turn the ADF chute ASSY upside down. (2) Open the Ejection flap. (3) Release the Hook, and remove the ADF cover open sensor holder from the ADF chute ASSY. ADF cover open sensor holder Ejection flap Hook ADF chute ASSY...
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Page 378
9.8.66 Document Exit Roller ASSY (1) Remove the Collar 5 from the Document exit roller ASSY, and then remove the Bushing 5 from the Document exit roller ASSY. (2) Remove the Conductive bushing N5 from the ADF chute ASSY, and then remove the Document exit roller ASSY from the ADF chute ASSY.
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Page 379
9.8.67 Switch Back Roller ASSY (1) Remove the cup B M3x10 Taptite screw, and remove the Gear 34 from the ADF chute ASSY. (2) Release the Hook of the LF roller gear 27N2 to remove the LF roller gear 27N2, and remove the Bushing 6.
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Page 380
9.8.68 LF Roller 3 ASSY (1) Release the Hook of the Gear to remove the Gear from the Document frame calking ASSY DX. (2) Remove the Collar 5 from the LF roller 3 ASSY, and then remove the LF roller gear 27N and the Conductive bushing N from the Switch back roller ASSY.
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Page 381
(3) Remove the bind B M4x10 Taptite screw, and pull up the Exit chute. Taptite bind B M4x10 Exit chute Fig. 5-143 (4) Release the Hooks of the Bushing F6 to remove the Bushing F6. (5) Remove the LF roller 3 ASSY from the ADF chute ASSY. LF roller 3 ASSY Bushing F6 Hooks...
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Page 382
• When assembling each of the LF roller 1 ASSY, LF roller 2 ASSY, Switch back roller ASSY and Exit roller 3 ASSY, make sure to assemble it onto the correct position. Identify each roller by color of the rollers. LF roller 1 ASSY (Black) LF roller 2 ASSY (Green) Exit roller 3 ASSY (Dark Gray)
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Page 383: Panel Cover Assy
Panel Cover ASSY ■ CCD model Note: • In the case of the model, refer to "9.9.2 Panel Cover ASSY". Panel Cover ASSY 9.9.1 (1) Remove the Panel cover ASSY. Hooks Panel cover ASSY Fig. 5-146 5-130 Confidential...
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Page 384
■ CIS model Note: • In the case of the model, refer to "9.9.1 Panel Cover ASSY". Panel Cover ASSY 9.9.2 (1) Remove the Panel cover ASSY. Hooks Panel cover ASSY Hooks Hooks Fig. 5-147 5-131 Confidential...
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Page 385
9.10 Scanner Unit ASSY ■ CCD model Note: • In the case of the model, refer to "9.10.9 Scanner Unit" 9.10.1 Scanner Unit ASSY (1) Disconnect the connector of the Scanner motor harness from the Driver PCB. (2) Disconnect the connector of the Home position sensor harness and FFC cable from the Main PCB.
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Page 386: Top Cover Assy
(3) Remove the two cup B M4x20 Taptite screws. Lift up the rear of the Scanner unit slightly and remove the Scanner unit. Taptite cup B M4x20 Scanner unit Taptite cup B M4x20 Hook Hook Fig. 5-149 9.10.2 Top Cover ASSY Note: •...
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Page 387: Lock Lever B / Lock Lever Assy, Ccd Module
9.10.3 Lock Lever B / Lock Lever ASSY (1) Remove the B M3x6 Taptite screw, and then remove the Lock lever B. (2) Remove the two B M3x6 Taptite screws, and then remove the Lock lever ASSY. Assembling Note: • After moving the Lock lever ASSY to "A" direction, assemble "B" of the Lock lever B that is to the direction of the top cover rib in touch.
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Page 388
(2) Lift up the CCD Module and Guide shaft and pull the Guide shaft out of the CCD Module. CCD Module Guide shaft Scanner base Fig. 5-153 (3) Remove the Belt support rubber, and then remove the Belt from the CCD module. (4) Remove the double-faced adhesive tape which is attached between the FFC cable and CCD module, and disconnect the FFC cable from the CCD module.
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Page 389: Ffc Cable Assy
9.10.5 FFC Cable ASSY (1) Release the Hooks and remove the FFC plate. Hook FFC plate Hook Fig. 5-155 (2) Remove the Shield sponge and FFC cable ASSY. (3) Remove the Flat core from the FFC cable ASSY. Flat core Shield sponge FFC cable ASSY Fig.
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Page 390: Scanner Motor Fb
9.10.6 Scanner Motor FB (1) Remove the cup S M3x6 Taptite screw, and then remove the FB FG harness. (2) Remove the four pan B M3x8 Taptite screws, and then remove the Drive plate ASSY. Taptite cup S M3x6 Taptite B M3x8 FB FG harness Taptite B M3x8 Drive plate ASSY...
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Page 391: Pulley Assy, Home Position Sensor
9.10.7 Pulley ASSY (1) Remove the two B M3x6 Taptite screws, and then remove the Pulley ASSY. (2) Remove the Pulley spring. Taptite B M3x6 Pulley spring Pulley ASSY <Back side> Fig. 5-159 9.10.8 Home Position Sensor (1) Release the Hooks and remove the Home position sensor. (2) Disconnect the Connector of the Home position sensor harness from the Home position sensor.
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Page 392
■ CIS model Note: • In the case of the model, refer to "9.10.1 Scanner Unit ASSY" "9.10.8 Home Position Sensor". 9.10.9 Scanner Unit (1) Remove the cup S M3x6 Taptite screw, and remove the FB FG harness. (2) Disconnect the Connector of the Scanner motor harness from the Driver PCB. (3) Disconnect the two Connectors and the FFC from the Main PCB.
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Page 393
(4) Open the Scanner unit, and then release the Hook of the Pull arms L and R from the joint of the Scanner unit. Hook Scanner unit Pull arm R Hook Pull arm L Fig. 5-162 5-140 Confidential...
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Page 394
(5) Remove the Left and Right Pull arms and Pull arm springs from the Pull arm guide. Pull arm spring R Pull arm L Pull arm spring L Pull arm R Hook Pull arm guide Hook Fig. 5-163 Assembling Note: •...
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Page 395
(6) Remove the Scanner unit from the Joint cover ASSY by lifting upwards. Scanner unit Joint cover ASSY Fig. 5-164 5-142 Confidential...
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Page 396: Panel Unit
9.11 Panel Unit ■ CCD model Note: • In the case of the model, refer to "9.11.5 Panel Unit" "9.11.9 Scanner Dress Cover L/R". 9.11.1 Panel Unit (1) Disconnect the connector of the Panel PCB harness from the Main PCB. Panel PCB harness Main PCB Main PCB...
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Page 397
(2) Remove the four cup B M4x12 Taptite screw. (3) Remove the Tape fixing the Panel PCB harness. (4) Remove the Panel Unit. Taptite cup B M4x12 Panel unit Panel PCB harness Tape Pins <Back side> Fig. 5-166 5-144 Confidential...
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Page 398: Panel Pcb Assy
9.11.2 Panel PCB ASSY (1) Disconnect the connector of the Panel PCB harness from the Panel unit. (2) Remove the four cup B M3x10 Taptite screws, release the two Hooks and remove the Panel bottom cover. Taptite cup B M3x10 Panel PCB harness Panel bottom cover Taptite cup B M3x10...
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Page 399
(3) Disconnect the connector of the Backlight module harness from the Panel PCB ASSY. (4) Unlock the lock, and remove the LCD cable from the Panel PCB ASSY. Note: • After disconnecting flat cable(s), check that each cable is not damaged at its end or short-circuited.
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Page 400: Printed Rubber Key
9.11.3 Printed Rubber Key (1) Remove the Printed rubber key. Printed rubber key Panel cover Fig. 5-170 5-147 Confidential...
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Page 401: Lcd Cover / Backlight Module / Lcd
9.11.4 LCD Cover / Backlight Module / LCD (1) Remove the Panel insulation sheet from the LCD cover. (2) Release the Hooks on the Panel cover to the direction of the arrow and remove the LCD cover from the Panel cover. (3) Remove the LCD ASSY.
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Page 402
■ CIS model Note: • In the case of the model, refer to "9.11.1 Panel Unit" "9.11.4 LCD Cover / Backlight Module / LCD". 9.11.5 Panel Unit (1) Remove the four cup B M3x10 Taptite screws, and lift up the Panel unit. Taptite cup B M3x10 Panel unit Fig.
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Page 403
(2) Disconnect the Connector from the Panel PCB ASSY, and remove the Panel unit. Panel unit Panel PCB ASSY Connector Fig. 5-174 5-150 Confidential...
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Page 404: Back Light Pcb Assy
9.11.6 Back Light PCB ASSY (1) Turn the Panel unit upside down. (2) Disconnect the two FFCs from the Back light PCB ASSY and the Panel PCB ASSY. (3) Release the Hooks of the LCD holder, and remove the Back light PCB ASSY from the LCD holder.
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Page 405: Panel Pcb Assy / Rubber Key R/c/l
9.11.7 Panel PCB ASSY / Rubber Key R/C/L (1) Release the Hooks of the Panel unit, and remove the Panel PCB ASSY from the Panel unit. (2) Remove the Rubber key R/C/L from the Panel unit. (3) Remove the Panel insulation sheet from the Panel unit. Panel PCB ASSY Rubber key L Rubber key C...
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Page 406: Lcd Holder / Panel Light Guide
9.11.8 LCD Holder / Panel Light Guide (1) Release the Hooks of the LCD holder, and remove the LCD holder from the Panel unit. (2) Remove the Panel light guide from the Panel unit. LCD holder Hook Hook Panel light guide Panel unit Fig.
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Page 407
(3) Turn the LCD holder upside down. Release the Hooks of the LCD holder, and remove the LCD from the LCD holder. (4) Remove the Back light film from the LCD holder. Back light film LCD holder Hook Hook Fig. 5-178 5-154 Confidential...
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Page 408: Scanner Dress Cover L/r
9.11.9 Scanner Dress Cover L/R (1) Remove the two bind B M4x12 Taptite screws, and remove the Scanner dress cover L/R from the Scanner base ASSY. Taptite bind B M4x12 Scanner dress cover R Scanner dress cover L Scanner base ASSY Fig.
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Page 409: Ncu Pcb Assy (for The Models With The Ncu Only)
9.12 NCU PCB ASSY (For the models with the NCU only) ■ CCD model Note: • In the case of the model, refer to "9.12.2 NCU PCB ASSY". 9.12.1 NCU PCB ASSY (1) Disconnect the connector of the NCU harness from the Main PCB. NCU harness Main PCB Main PCB...
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Page 410
(2) Remove the Screw, pan (S/P washer) M3.5x6 SR, and remove the NCU FG harness ASSY. (3) Remove the two bind B M4x12 Taptite screws, and then remove the NCU unit. NCU unit Taptite, bind B M4x12 Taptite, bind B M4x12 Screw, pan (S/P washer) M3.5X6 SR NCU FG harness ASSY <Back side>...
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Page 411
(6) Remove the two cup S M3x6 SR Taptite screws, and then remove the NCU PCB ASSY. Taptite cup S M3x6 SR NCU PCB ASSY Taptite cup S M3x6 SR NCU shield plate Fig. 5-183 5-158 Confidential...
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Page 412: Ncu Pcb Assy
■ CIS model Note: • In the case of the model, refer to "9.12.1 NCU PCB ASSY". 9.12.2 NCU PCB ASSY (1) Disconnect the Connector of the NCU harness from the Main PCB. NCU harness Main PCB Main PCB <Left side> Fig.
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Page 413
(2) Remove the four bind B M4x12 Taptite screws, and remove the NCU cover from the Joint cover ASSY. Taptite bind B M4x12 NCU cover Taptite bind B M4x12 Joint cover ASSY Fig. 5-185 5-160 Confidential...
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Page 414
(3) Remove the Screw pan (S/P washer) M3.5x6, and remove the NCU FG harness ASSY. (4) Remove the two bind B M4x12 Taptite screws, and remove the NCU shield from the Joint cover ASSY. Taptite bind B M4x12 Screw pan (S/P washer) M3.5x6 NCU FG harness ASSY NCU shield Joint cover ASSY...
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Page 415
(5) Remove the two cup S M3x6SR Taptite screws, and remove the NCU PCB ASSY from the NCU shield. (6) Disconnect the Connector of the NCU harness ASSY from the NCU PCB ASSY. NCU shield NCU PCB ASSY NCU harness ASSY Taptite cup S M3x6 SR Taptite cup S M3x6 SR Fig.
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Page 416: Speaker Assy
9.13 Speaker ASSY ■ CCD model Note: • In the case of the model, refer to "9.13.2 Speaker ASSY". 9.13.1 Speaker ASSY (1) Disconnect the connector of the Speaker harness from the Main PCB. Speaker harness Main PCB Main PCB Fig.
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Page 417
■ CIS model Note: • In the case of the model, refer to "9.13.1 Speaker ASSY". 9.13.2 Speaker ASSY (1) Disconnect the Connector of the Speaker harness from the Main PCB. Speaker harness Main PCB Main PCB <Left side> Fig. 5-190 (2) Release the Hook of the Speaker hold spring, and remove the Speaker hold spring and the Speaker unit from the Joint cover ASSY.
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Page 418: Driver Pcb
9.14 Driver PCB ■ CCD model Note: • In the case of the model, refer to "9.14.2 Driver PCB". 9.14.1 Driver PCB (1) Disconnect the connector of the Driver harness from the Main PCB. Driver PCB Driver harness Main PCB Main PCB Fig.
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Page 419
(2) Remove the cup S M3x6 SR Taptite screw and two cup B M3x8 Taptite screws. (3) Remove the Driver PCB shield and Driver PCB from the Joint cover ASSY. (4) Disconnect the connector of the Driver harness from the Driver PCB. Joint cover ASSY Driver PCB Taptite cup B M3x8...
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Page 420
■ CIS model Note: • In the case of the model, refer to "9.14.1 Driver PCB". 9.14.2 Driver PCB (1) Disconnect the Connector of the Driver harness from the Main PCB. Driver PCB Driver harness Main PCB Main PCB <Left side> Fig.
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Page 421: Usb Host Pcb Assy
9.15 USB HOST PCB ASSY ■ CCD model Note: • In the case of the USB HOST PCB ASSY of the model, refer to "9.18.5 USB Host PCB ASSY" (1) Disconnect the connector of the USB HOST harness ASSY from the Main PCB. USB HOST harness ASSY Main PCB...
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Page 422
(2) Disconnect the connector of the USB HOST harness ASSY from the USB HOST PCB ASSY. (3) Remove the bind B M4x12 Taptite screw, and remove the USB HOST FG harness. (4) Remove the bind B M4x12 Taptite screw, and remove the USB PCB holder from the Joint cover ASSY.
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Page 423: Side Cover R
9.16 Side Cover R (1) Remove the two bind B M4x12 Taptite screws, and then remove the Side cover R by following the direction from 1a to 1d. Hook Taptite, bind B M4x12 Side cover R Taptite, cup S M3x6 Hooks Hooks Hooks...
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Page 424
• There is a danger of explosion if the battery is incorrectly replaced. • When replacing the battery, use the spare part authorized by Brother Industries. • Batteries used should be disposed of in accordance with the local codes and regulations.
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Page 425
• There is a danger of explosion if the battery is incorrectly replaced. • When replacing the battery, use the spare part authorized by Brother Industries. • Batteries used should be disposed of in accordance with the local codes and regulations.
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Page 426
GEFAHR • Die Batterie niemals zerlegen oder wieder aufladen. • Die Batterie niemals durch Verbrennen entsorgen. WARNUNG • Wenn die Batterie inkorrekt ausgewechselt wird, besteht Explosionsgefahr. 5-173 Confidential...
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Page 427: Joint Cover Assy
9.18 Joint Cover ASSY ■ CCD model Note: • In the case of the model, refer to "9.18.2 Joint Cover ASSY". 9.18.1 Joint Cover ASSY (1) Remove the four bind B M4x12 Taptite screws from the Joint cover ASSY. (2) Release all Hooks of the Joint cover and lift up the front side of the Joint cover ASSY. (3) Pull out the Joint cover ASSY’s Bosses to the front side.
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Page 428
■ CIS model Note: • In the case of the model, refer to "9.18.1 Joint Cover ASSY". 9.18.2 Joint Cover ASSY (1) Disconnect the connector of the USB HOST harness ASSY from the Main PCB. Main PCB USB HOST harness ASSY Main PCB Fig.
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Page 429: Pull Arm Guide
9.18.3 Pull Arm Guide (1) Remove the two Lock claws, and remove the two Pull arm guides from the Joint cover ASSY. Lock claw Pull arm guide Lock claw Pull arm guide Fig. 5-205 5-176 Confidential...
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Page 430: Joint Cover Fl/fr
9.18.4 Joint Cover FL/FR (1) Turn the Joint cover upside down. (2) Remove the two bind B M4x12 Taptite screws, and remove the Joint cover FL/FR. Taptite bind B M4x12 Joint cover Joint cover FR Driver PCB holder Joint cover FL Fig.
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Page 431
9.18.5 USB Host PCB ASSY (1) Remove the two cup B M3x10 Taptite screws, and remove the USB PCB holder from the Joint cover FL. Taptite cup B M3x10 USB PCB holder Joint cover FL Fig. 5-208 (2) Disconnect the Connector of the USB host harness from the USB HOST PCB ASSY. (3) Remove the cup S M3x6 SR Taptite screw, and remove the USB HOST PCB ASSY from the USB PCB holder.
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Page 432: Inner Chute
9.18.6 Inner Chute (1) Remove the four bind B M4x12 Taptite screws, and remove the Inner chute from the Joint cover ASSY. (2) Remove the four Pinch roller holders and the four Pinch roller springs from the Inner chute. (3) Remove the two Corrugation pinch rollers L and two Corrugation pinch rollers R from the four Pinch roller holders.
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Page 433: Paper Stack Lever
9.18.7 Paper Stack Lever (1) Remove the Pin, and remove the Paper stack lever from the Joint cover ASSY. Paper stack lever Joint cover ASSY Fig. 5-211 5-180 Confidential...
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Page 434: Main Pcb
9.19 Main PCB (1) Disconnect the 6 connectors and 6 flat cables from the Main PCB. Caution: • After disconnecting flat cable(s), check that each cable is not damaged at its end or short-circuited. • When connecting flat cable(s), do not insert them at an angle. After insertion, check that the cables are not at an angle.
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Page 435
(2) Remove the four cup S M3x6 SR Taptite screws and two Screw pan M3x6 to remove the Main PCB. Main PCB Screw pan M3x6 Taptite, cup S M3x6 SR FG harness Fig. 5-213 Note: There are procedures for disassembling Frame L after this procedure. (9.42 FRAME L ASSY) 5-182...
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Page 436: Gear Plate Calking Assy / Develop Joint / Main Motor Assy
9.20 Gear Plate Calking ASSY / Develop Joint / Main Motor ASSY (1) Place the machine body so that the Frame L is at the top. (2) Remove the eight bind B M4x12 Taptite screws and one cup S M3x6 taptite screw. (3) Remove the Gear plate calking ASSY from the Frame L.
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Page 437
(4) Remove the four cup S M3x6 Taptite screws, and then remove the Main motor ASSY. Taptite, cup S M3x6 Main motor ASSY Taptite, cup S M3x6 Ferrite core Gear plate calking ASSY Taptite, cup S M3x6 Fig. 5-215 (5) Remove the Develop joint from the Gear plate calking ASSY. Develop joint Gear plate calking ASSY Fig.
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Page 438: Main Shield Plate Assy
9.21 Main Shield Plate ASSY (1) Remove the Insulation sheet. (2) Pull out the Flat cable from the Ferrite core. (3) Remove the Main PCB sheet. Insulation sheet Main PCB sheet Relay front PCB ASSY (Flat cable) Ferrite core Frame L Fig.
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Page 439
(4) Remove the two bind B M4x12 Taptite screws, and then remove the Plate. Taptite, bind B M4x12 Plate Frame L Taptite, bind B M4x12 Plate Base plate LV <Bottom side> Fig. 5-218 Assembling Note: • When assembling the Plate, ensure to set the Plate under the base plate LV. •...
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Page 440
(5) Remove the three bind B M4x12 Taptite screws and cup S M3x6 Taptite screw, and then remove the Main shield plate ASSY. Taptite, bind B M4x12 Taptite, bind B M4x12 Taptite, cup S M3x6 Main shield plate ASSY Frame L Fig.
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Page 441: Relay Rear Pcb Assy / Lt Connector
9.22 Relay Rear PCB ASSY / LT Connector (1) Remove the Relay rear PCB ASSY (Include the DX sensor). Relay rear PCB ASSY DX sensor Hooks Frame L Hooks Hook Fig. 5-221 5-188 Confidential...
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Page 442
(2) Remove the Connector harness. (3) Disconnect the LT connector while pressing the Hook inwards. Connector harness LT connector Hook Frame L Hook Fig. 5-222 Assembling Note: • When assembling the LT connector, ensure that its direction is correct referring to the figure below.
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Page 443: Relay Front Pcb Assy
9.23 Relay Front PCB ASSY (1) Remove the Relay front PCB ASSY. (2) Disconnect the five connectors from the Relay front PCB ASSY. Relay front PCB ASSY Hook Frame L Hook Fig. 5-224 Register solenoid connector Front cover sensor MP solenoid T1 solenoid connector connector Toner sensor PCB connector...
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Page 444: Drive Release Link
9.24 Drive Release Link (1) Remove the bind B M3x10 Taptite screw. (2) Lift up the back end of the Drive release cam slightly while lifting up the MP solenoid lever and the MP solenoid ASSY and remove them from the guide part of the Frame L. (3) Turn the Drive release link to the direction of the arrow 3 until the groove of the Drive release link is aligned with the boss of the Frame L.
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Page 445: Mp Solenoid Assy
9.25 MP Solenoid ASSY (1) Remove the cup B M3x8 Taptite screw, and then remove the Spring. Frame L Taptite, cup B M3x8 Spring Fig. 5-227 Assembling Note: • When assembling the Spring, ensure that its direction is correct referring to the figure below.
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Page 446: T1 Solenoid Assy
(2) Remove the MP solenoid ASSY, Solenoid release spring P/R and MP solenoid lever. Solenoid release spring P/R MP solenoid lever MP solenoid ASSY Frame L Fig. 5-229 9.26 T1 Solenoid ASSY (1) Remove the bind B M3x10 Taptite screw. (2) Remove the T1 solenoid ASSY and the Solenoid release spring.
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Page 447: Toner Sensor Pcb Assy
9.27 Toner Sensor PCB ASSY (1) Remove the Toner sensor PCB ASSY from the Frame L. Toner sensor PCB ASSY Hooks Frame L Fig. 5-231 (2) Remove the PT sensor holder from the Toner sensor PCB ASSY. PT sensor holder Toner sensor PCB ASSY Hooks Fig.
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Page 448: Register Solenoid Assy, Ejector Solenoid Assy
9.28 Register Solenoid ASSY (1) Remove the bind B M3x10 Taptite screw. (2) Remove the Register solenoid ASSY and the Solenoid release spring. Taptite, bind B M3x10 Solenoid release spring Register solenoid ASSY Register solenoid lever Frame L Fig. 5-233 9.29 Ejector Solenoid ASSY (1) Remove the bind B M3x10 Taptite screw.
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Page 449: New Toner Actuator, Front Cover Sensor Assy
9.30 Front Cover Sensor ASSY (1) Remove the Front cover sensor ASSY from the Frame L. Front cover sensor ASSY Frame L Hooks Fig. 5-235 9.31 New Toner Actuator (1) Remove the cup B M2x6 Taptite screw. (2) Remove the New toner actuator and the New toner actuator spring. Taptite, cup B M2x6 New toner actuator Hook...
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Page 450
9.32 Gear 17/20/23 (1) Remove the Gear 23. Hook Gear 23 Frame L Fig. 5-238 (2) Remove the Gear 20. Hook Gear 20 Frame L Fig. 5-239 5-197 Confidential...
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Page 451
(3) Remove the Gear 17 (black). Hook Gear 17 (black) Frame L Fig. 5-240 (4) Remove the Gear 17 (white). Hook Gear 17 (white) Frame L Fig. 5-241 5-198 Confidential...
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Page 452: Thermistor Assy
9.33 Thermistor ASSY (1) Remove the Thermistor ASSY from the Frame L. Thermistor ASSY Frame L Fig. 5-242 5-199 Confidential...
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Page 453
9.34 Filter (1) Slide the Sub duct to the direction of 1b while pressing the Hook to the direction of 1a and remove the Sub duct from the Air duct. Air duct Filter <Back side> Hooks Sub duct Hook Fig. 5-243 (2) Remove the Filter from the Air duct.
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Page 454: Laser Unit
9.35 Laser Unit (1) Remove the Hook of the Air duct from the frame. Slide the Air duct to the direction of 1b and remove the Air duct. Laser unit Hook Hook Hook Hook Air duct Hook Fig. 5-245 (2) Remove the five cup S M3x6 Taptite screws. (The left back screw has already remove at “8.13 Main Shield Plate ASSY“) (3) Remove the Protective film from the Flat cable.
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Page 455: Lvps Pcb Unit
9.36 LVPS PCB Unit (1) Turn the machine upside down. (2) Remove the Screw pan (S/P washer) M3.5x6SR, and remove the NCU FG harness. (3) Remove the five bind B M4x12 Taptite screws, and then remove the Base plate LV. (4) Remove the Screw pan (S/P washer) M3.5x6SR from the Base plate LV to remove the LVPS PCB unit terminal.
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Page 456
(5) Remove the two bind B M4x12 Taptite screws, and then remove the LV insulation sheet. Taptite, bind B M4x12 LV insulation sheet Fig. 5-248 (6) Remove the bind B M4x12 Taptite screw, and then remove the SW holder ASSY. (7) Float the Fan motor 60 unit LV from the Frame R.
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Page 457
(8) Remove the bind B M3x10 Taptite screw, and remove the Safety louver. Frame R Safety louver Taptite, bind B M3x10 Fig. 5-250 (9) Remove the Inlet harness ASSY from the SW holder. (10) Press the Hooks on both sides of the Power supply switch, pull out the Power supply switch to the direction of 10a and pull the wire out of the groove on the SW holder.
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Page 458
(11) Remove the harness of the fuser unit and power supply harness. (12) Put each harness through the space where the fan 60 unit LV is assembled and remove the LVPS PCB unit. (13) Remove the harness from the LVPS PCB unit. LVPS PCB unit Harness Fig.
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Page 459: High-voltage Ps Pcb Assy
9.37 High-Voltage PS PCB ASSY (1) Remove the four bind B M4x12 Taptite screws, and then remove the Base plate HV. Taptite, bind B M4x12 Base plate HV Taptite, bind B M4x12 <Front side> Fig. 5-253 (2) Remove the bind B M4x12 Taptite screw, and then remove the HV insulation sheet. Taptite, bind B M4x12 HV insulation sheet Fig.
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Page 460
(3) Remove the bind B M4x12 Taptite screw, and then remove the High-voltage PS PCB ASSY. (4) Disconnect the three connectors from the High-voltage PS PCB ASSY. High-voltage PS PCB ASSY Taptite, bind B M4x12 Pins Fig. 5-255 High-voltage PS PCB ASSY MP PE sensor connector PE EG sensor connector Toner LED PCB connector...
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Page 461: Wireless Lan Pcb (pcb T60h989 Assy 04) (wireless Lan Model)
9.38 Wireless LAN PCB (PCB T60H989 ASSY 04) (Wireless LAN model) (1) Disconnect the connector of the Wireless LAN PCB harness from the Wireless LAN PCB (PCB T60H989 ASSY 04). (2) Remove the Wireless LAN PCB (PCB T60H989 ASSY 04) from the Frame R. Hooks Frame R Wireless LAN PCB harness...
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Page 462: Toner Led Pcb Unit Assy
9.39 Toner LED PCB Unit ASSY (1) Remove the pan B M3x8 Taptite screw, and remove the Regist ground spring. (2) Remove the Toner LED PCB unit ASSY from the Frame R. Frame R Hook Pins Toner LED PCB unit ASSY <Right side>...
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Page 463: Fan Motor 60 Unit
(3) Disconnect the two connectors from the Toner LED PCB. (4) Release the two Hooks to remove the LED holder from the Toner LED PCB. Fan motor 60 unit LV connector Hook LED holder Fan motor 60 unit connector Hook Toner LED PCB unit ASSY Fig.
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Page 464: Fan Motor 60 Unit Lv
9.41 Fan Motor 60 Unit LV (1) Remove the Fan motor 60 unit LV from the Frame R. Frame R Fan motor 60 unit LV Fig. 5-262 5-211 Confidential...
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Page 465: Frame L Assy
Note: The procedure for disassembling the Frame L after "9.19 Main PCB" is described below. 9.42 FRAME L ASSY (1) Remove the Insulation sheet. (2) Pull out the flat cable from the Ferrite core. (3) Remove the Main PCB sheet. Insulation sheet Main PCB sheet Relay front PCB ASSY...
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Page 466
(4) Remove the two bind B M4x12 Taptite screws, and then remove the Plate. Taptite, bind B M4x12 Plate Frame L Taptite, bind B M4x12 Plate Base plate LV <Bottom side> Fig. 5-264 (5) Remove the Gear 23, Gear 17 (white), Gear 17 (black) and Gear 20. Gear 23 Gear 17 (White) Gear 20...
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Page 467
(6) Remove the six bind B M4x12 Taptite screws and the three cup S M3x6 Taptite screws. (7) Remove the Frame L. Taptite, bind B M4x12 Taptite, bind B M4x12 Taptite cup S M3x6 Frame L ASSY Under bar Under bar Fig.
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Page 468: Mp Unit
9.43 MP Unit (1) Cut the Binder bundling the harnesses with nippers. Binder Paper feed frame PE EG sensor connector MP PE sensor connector Fig. 5-267 (2) Remove the two bind B M3x8 Taptite screws. (3) Lift up the back side of the MP feed frame and pull up the MP feed frame to remove. Taptite, bind B M3x8 MP feed frame Taptite, bind B M3x8...
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Page 469
(4) Open the MP feed frame cover. MP feed frame cover MP feed frame Fig. 5-269 (5) Release the Hook to remove the Holder bearing MP from the MP feed frame. Holder bearing MP Hook MP feed frame Fig. 5-270 5-216 Confidential...
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Page 470
(6) Slide the MP roller holder ASSY to the direction of 6a and pull it down to remove. Lift arm MP MP feed frame MP roller holder ASSY Fig. 5-271 (7) Turn the MP feed frame upside down. (8) Slide the PE actuator MP B2 to the direction of 8b while pressing the Hook to the direction of 8a, and pull it up to remove.
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Page 471
(9) Turn the PE actuator MP to the direction of 9a and pull it up to remove. PE actuator MP MP feed frame Fig. 5-273 (10) Remove the bind B M3x8 Taptite screw, and then remove the MP PE sensor ASSY. Taptite, bind B M3x8 MP PE sensor ASSY MP feed frame...
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Page 472
(11) Turn the back side of the Separation pad ASSY MP to the direction of the arrow 11a and put it up to the direction 11b to remove. Separation pad ASSY MP MP feed frame Fig. 5-275 (12) Remove the MP separation spring from the MP feed frame. MP separation spring MP feed frame Fig.
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Page 473
Assembling Note: • When assembling the MP separation spring, ensure that its direction is correct referring to the figure below. MP separation spring Bosses Fig. 5-277 5-220 Confidential...
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Page 474: Regist Actuator Rear / Regist Actuator Spring
9.44 Regist Actuator Rear / Regist Actuator Spring (1) Turn the Paper feed frame upside down. (2) Release the Hook A of the Actuator cover to pull up the Actuator cover to remove. Actuator cover Hook A Paper feed frame Hook B Fig.
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Page 475
Assembling Note: • When assembling the Regist actuator spring, ensure that its direction is correct referring to the figure below. Hook Regist actuator rear Regist actuator spring Hook Fig. 5-280 5-222 Confidential...
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Page 476: Regist Actuator Front / Regist Actuator Spring
9.45 Regist Actuator Front / Regist Actuator Spring (1) Slide the Regist actuator front to the direction of 1b while pressing the Hook to the direction of 1a and pull up the Regist actuator front to remove. Then, remove the Regist actuator spring from the Regist actuator front.
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Page 477: Roller Holder Assy
9.46 Roller Holder ASSY (1) Push the Lift arm to the direction of 1a and pull out the pin of the Roller holder ASSY. Then, turn the Roller holder ASSY to the direction of 1b. Lift arm Roller holder ASSY Paper feed frame Fig.
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Page 478: Pe Actuator / Edge Actuator / Edge Actuator Spring
9.47 PE Actuator / Edge Actuator / Edge Actuator Spring (1) Remove the Edge actuator spring. Edge actuator spring Paper feed frame Edge actuator Hooks Fig. 5-285 (2) Release the hook and remove the Separation R shaft bearing. Separation R shaft bearing Hook Paper feed frame Fig.
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Page 479
(3) Pull out the Separation roller drive shaft to the direction of the arrow and remove the Edge actuator and PE actuator. Edge actuator PE actuator Separation roller drive shaft Paper feed frame Fig. 5-287 5-226 Confidential...
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Page 480: Pe Eg Sensor Assy
9.48 PE EG Sensor ASSY (1) Remove the three bind B M4x12 Taptite screws, and remove the MP feed frame. Taptite bind B M4x12 MP feed frame Taptite bind B M4x12 Taptite, bind B M4x12 Frame R Paper feed frame Fig.
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Page 481
(2) Remove the bind B M3x8 Taptite screw, and then remove the PE EG sensor ASSY. Taptite bind B M3x8 PE EG sensor ASSY Paper feed frame Fig. 5-289 5-228 Confidential...
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Page 482
10. DISASSEMBLY PROCEDURE OPTIONAL LOWER TRAY (LT-5300) 10.1 Paper Tray (1) Pull out the Paper tray from the LT-5300. Paper tray Fig. 5-290 (2) Pull up the back side of the Separation pad ASSY. (3) Push the Hooks provided on both sides of the Separation pad ASSY inwards. (4) Pull up the Separation pad ASSY.
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Page 483
(5) Remove the Separation pad spring. Separation pad spring Paper tray Fig. 5-292 (6) Remove the Lift gear 46. Plate up plate Plate up plate Hook Lift gear 46 Paper tray Lift gear 46 Hook Fig. 5-293 5-230 Confidential...
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Page 484
(7) Remove the Gear 21-16. Gear 21-16 Paper tray Fig. 5-294 (8) Remove the Gear 15. Gear 15 Paper tray Fig. 5-295 5-231 Confidential...
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Page 485: Lt Front Cover Assy
10.2 LT Front Cover ASSY (1) Remove the two bind B M4x12 Taptite screws. (2) Remove the LT front cover ASSY. LT front cover ASSY Taptite, bind B M4x12 Fig. 5-296 (3) Remove the LT front paper guide from the LT front cover ASSY while pulling the two hooks inwards.
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Page 486: Lt Rear Cover
10.3 LT Rear Cover (1) Remove the two cup S M3x6 Taptite SR screws. (2) Remove the LT rear cover. LT rear cover Taptite, cup S M3x6 SR <Back side> Fig. 5-298 5-233 Confidential...
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Page 487: Lt Side Cover L
10.4 LT Side Cover L (1) Remove the bind B M4x12 Taptite screw. (2) Remove the cup S M3x6 Taptite SR screw. (3) Release the Hooks in the order of the arrows and remove the LT side cover L. Taptite, cup S M3x6 SR Boss <Left side>...
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Page 488: Lt Side Cover R
10.5 LT Side Cover R (1) Remove the bind B M4x12 Taptite screw. (2) Remove the cup S M3x6 Taptite SR screw. (3) Release the Hooks in the order of the arrows and remove the LT side cover R. Taptite, cup S M3x6 SR Boss LT side cover R <Right side>...
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Page 489: Lt Pcb Assy
10.6 LT PCB ASSY (1) Disconnect the connectors from the LT PCB ASSY. (2) Remove the bind B M4x12 Taptite screw, and then remove the LT PCB ASSY. Hook LT PCB ASSY LT frame L <Left side> Taptite, bind B M4x12 LT PCB ASSY LT sensor harness LT sensor PCB connector...
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Page 490
10.7 Connector: 55533-1219 (1) Disconnect the LT sensor harness ASSY 1 from the Connector: 55533-1219. (2) Remove the Connector: 55533-1219 from the LT frame L while pressing the Hooks inwards. Connector: 55533-1219 Hook Hook LT sensor harness ASSY 1 LT frame L Fig.
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Page 491: Gear 24 Lt
10.9 Gear 24 LT (1) Place the LT so that the LT frame L is at the top. (2) Release the Hook to remove the Gear 20 T1 roller drive from the LT frame L. LT frame L Hook <Left side> Gear 20 T1 roller drive Fig.
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Page 492
10.10 Collar 6 (1) Remove the Gear plate ground spring from the LT frame L. LT frame L Gear plate ground spring Fig. 5-306 (2) Remove the cup S M3x6 Taptite SR screw, and then remove the Feed roller ground plate.
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Page 493
(3) Remove the T1 sector gear spring LT from the LT frame L. T1 sector gear spring LT LT frame L Fig. 5-308 Assembling Note: • When assembling the T2 sector gear spring LT, ensure that its direction is correct referring to the figure below.
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Page 494
(4) Remove the LT solenoid harness from the hooks of the LT drive unit. LT drive unit Hooks Hooks LT solenoid harness LT solenoid ASSY Fig. 5-310 (5) Remove the cup S M3x6 Taptite screw. (6) Remove the four bind B M4x12 Taptite screws, and then remove the LT drive unit. Taptite, bind B M4x12 Taptite, bind B M4x12 LT drive unit...
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Page 495
(7) Remove the Clutch spring from the LT drive unit. Clutch spring LT drive unit Fig. 5-312 (8) Remove the Collar 6. (9) Remove the Clutch arm ASSY from the LT drive unit. Collar 6 Clutch arm ASSY LT drive unit Fig.
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Page 496: Lt Solenoid Assy
10.11 LT Solenoid ASSY (1) Remove the bind B M3x10 Taptite screw, and then remove the LT solenoid ASSY. (2) Remove the Solenoid release spring P/R from the LT solenoid ASSY. Solenoid release spring P/R LT frame L Taptite, bind B M3x10 LT solenoid ASSY Fig.
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Page 497: Edge Actuator Spring
(2) Slide the Roller holder ASSY to the direction of the arrow 2a. Then, lift up the gear side of the Roller holder ASSY to the direction of the arrow 2b and pull it out to the direction of the arrow 2c to remove. Roller holder ASSY "A"...
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Page 498: Pe Actuator / Edge Actuator
10.14 PE Actuator / Edge Actuator (1) Release the Hook and remove the Separation R shaft bearing. Separation R shaft bearing Hook LT paper feed frame Fig. 5-319 (2) Pull out the Separation roller drive shaft to the direction of the arrow and remove the Edge actuator and PE actuator.
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Page 499: Lt Sensor Pcb Assy
10.15 LT Sensor PCB ASSY (1) Remove the two bind B M4x12 Taptite screws. (2) Remove the four cup S M3x6 Taptite SR screws, and then remove the LT frame L. Taptite, cup S M3x6 SR Under bar Taptite, bind B M4x12 Taptite, cup S M3x6 SR Taptite, bind B M4x12 LT frame L...
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Page 500
(4) Remove the two cup B M3x12 Taptite screws, and then remove the LT front beam. Taptite, cup B M3x12 LT front beam LT paper feed frame Fig. 5-323 (5) Remove the bind B M3x8 Taptite screw, and then remove the LT sensor PCB ASSY. Taptite, bind B M3x8 LT sensor PCB ASSY LT paper feed frame...
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Page 501
CHAPTER ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT Confidential...
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Page 502: Required After Parts Replacement
CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT This chapter details adjustments and updating of settings, which are required if the main PCB and some other parts have been replaced. CONTENTS 1. IF YOU REPLACE THE MAIN PCB................6-1 2.
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Page 503: If You Replace The Main Pcb
(6) The Download Utility (FILEDG32.EXE) Copy it into the folder that has been created in the C drive. (7) The Brother Maintenance USB Printer Driver Copy it into the folder that has been created on the C drive and extract the copied file.
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Page 504: Rewriting The Firmware
<Procedures> ■ Rewriting the Firmware • How to rewrite the firmware by using the USB flash memory drive If you save program files in the USB flash memory drive and plug it into the USB direct Interface, you can rewrite the firmware and set the country. Note;...
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Page 505
Note; • Once this installation procedure is carried out for a PC, no more driver/software installation will be required for that PC to identify machines. If the Brother Maintenance USB Printer driver has been already installed to your PC according to this procedure, skip this section.
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Page 506
(6) The following screen appears, indicating the detection of new hardware device by the system. Select “No, not this time.” And click Next. (7) Select “Install the software automatically (Recommended)” and click Next. Confidential...
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Page 507
(8) Alert warning message of WHQL appears. Click Continue Anyway to proceed. Confidential...
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Page 508
(9) If the Brother Maintenance USB Printer driver is successfully installed, the following message screen appears. Click Finish to return. Note; • In order to check whether the printer driver is successfully installed, click Start, Settings and Printers and select the Printers window. Then, check that the Brother Maintenance USB Printer icon is shown.
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Page 509
After the installation procedure of the Brother Maintenance USB Printer driver is completed, refer to the following steps for the detailed procedures to rewrite the program files. If the Brother Maintenance USB Printer Driver has already been installed to your PC according to this procedure, start to rewrite the program files.
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Page 510
■ EEPROM Customizing of Main PCB (Maintenance Mode: Code 74) Refer to “4.18 EEPROM Customizing” in Chapter 7, and perform the EEPROM Customizing. For models in France and surrounding countries, Pan-Nordic, Oceania or Iberia, implement the setting for Code 74 in Maintenance mode first. Then, implement more detailed settings for Code 52.
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Page 511
(3) Check the port (USB) that the machine is connected through and click “Serial No.” in the lower box. Enter the serial number (the last nine digits) of the machine into the box on the right hand side and click the [OK] button. A confirmation window opens and shows the serial number.
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Page 512
■ Setting the toner cartridge type The “Toner Life End” message is displayed according to the upper limit value of the developing roller rotation. The upper limit value is different between the starter toner cartridge, standard one and high-capacity one. Therefore, it is necessary to set the conformable value to the toner cartridge installed in the machine following the steps below.
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Page 513
■ Scanning and Printing Check Scan the test chart TC-023 with ADF, and make sure there are no problem of the printed image. Make sure there are no problem of the ADF, document scanner unit and the performance of recording part. ■...
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Page 514: If You Replace The Wireless Lan Pcb
2. IF YOU REPLACE THE WIRELESS LAN PCB <What to do when replacing the wireless LAN PCB> • Backup to the Main PCB of the Wireless LAN PCB Information <Which parts to use> WIRELESS LAN PCB ASSY ■ Backup to the Main PCB of the Wireless LAN PCB Information (Wireless LAN model only) The main PCB stores a part of the information of EEPROM on the wireless LAN PCB.
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Page 515: Scanner Unit
3. IF YOU REPLACE THE DOCUMENT SCANNER UNIT <What to do when replacing the document scanner unit> ■ Acquisition of White Level Data and Set the CCD Scanner Area (Maintenance Mode: Code 55) ■ Scanning and Printing Check ■ Placement of document scanner unit in Position for Transportation (Maintenance Mode: Code 06) <Procedures>...
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Page 516
CHAPTER SERVICE MODE...
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Page 517: Table Of Contents
CHAPTER 7 SERVICE FUNCTIONS The maintenance mode is exclusively designed for the purpose of checks, settings and adjustments using the buttons on the control panel or open/close of the front cover. You can perform operational checks of panel PCB, sensors, perform a print test, display the log information or error codes.
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Page 518: Table Of Contents
5. OTHER SERVICE FUNCTIONS ................. 7-44 5.1 Resetting the Periodical Maintenance Parts Life..........7-44 5.2 Develop Roller / Developing Bias Voltage Counter Reset Function ....7-46 5.3 Drum condensation countermeasure mode ............7-47 5.4 Unlocking and Clearing the Password of the Function Lock / Setting Lock ..7-47 5.5 Clearing the Data of the Secure Print..............
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Page 519: Entry Into The Maintenance Mode
1. ENTRY INTO THE MAINTENANCE MODE Press the [Menu] and [Start] buttons. Next press the [ ] button four times to make the machine enter the maintenance mode. TIP: • FAX models equipped with numerical keypads can enter the maintenance mode in the same way as conventional models;...
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Page 520: List Of Maintenance-mode Functions
2. LIST OF MAINTENANCE-MODE FUNCTIONS Function Code Function Refer to: EEPROM Parameter Initialization 4.1 (7-4) Printout of Scanning Compensation Data 4.2 (7-5) Placement of Scanner Module Position for Transportation 4.3 (7-11) ADF Performance Test 4.4 (7-12) Test Pattern 4.5 (7-13) Worker Switch (WSW) Setting 4.6.1 (7-14) Printout of Worker Switch Data...
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Page 521: User-access To The Maintenance Mode
3. USER-ACCESS TO THE MAINTENANCE MODE Basically, the maintenance-mode functions listed on the previous page should be accessed by service personnel only. However, you can allow end users to access some of these under the guidance of service personnel (e.g., by telephone). The user-accessible functions (codes 06, 09, 10, 11, 12, 25, 43, 45, 53, 54, 77, 80, 82, 87, 88 and 91) are shaded in the table given on the previous...
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Page 522
4. DETAILED DESCRIPTION OF MAINTENANCE-MODE FUNCTIONS EEPROM Parameter Initialization (Function code 01/91) <Function> The machine initializes the parameters, user switches, and firmware switches registered in the EEPROM, to the initial values. Entering the function code 01 initializes all of the EEPROM areas, but entering 91 does not initialize some areas, as listed below.
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Page 523: Printout Of Scanning Compensation Data (function Code)
Printout of Scanning Compensation Data (Function code 05) <Function> The machine prints out the white and black level data for scanning compensation. <Operating Procedure> Implement the operating procedure below after scanning the document once at least, not immediately after the machine is turned on. Since the machine initializes the white and black level data and obtains the standard value for document scanning compensation when starting scanning the document, the correct data for compensation cannot be printed out even if this operation is implemented without scanning the document.
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Page 524
(4) Upon completion of printing of the compensation data list, the machine returns to the initial stage of the maintenance mode. Note: • If any data is abnormal, its code will be printed in inline style. ■ For white and black scanning Fig.
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Page 525
■ For color scanning Fig. 7-2 Confidential...
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Page 526
(CIS model) (1) For white and black scanning, copy the document. For color scanning, implement color scanning of the document. (2) Press the [0] and [5] keys in this order in the initial stage of the maintenance mode. The "Printing" will appear on the LCD. (3) The machine prints out the scanning compensation data list containing the following: ■...
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Page 527
■ For white and black scanning Fig. 7-3 Confidential...
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Page 528
■ For color scanning Fig. 7-4 7-10 Confidential...
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Page 529: Placement Of Document Scanner Unit In Position For Transportation
Placement of Document Scanner Unit in Position for Transportation (Function code 06) <Function> This function is to move the document scanner unit in position for transportation located at the left end. When you fix the FAX equipment and check its operation, you need to perform this function right before packing and shipping it.
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Page 530: Adf Performance Test (function Code)
ADF Performance Test (Function code 08) <Function> The machine counts the documents fed by the automatic document feeder (ADF) and displays the count on the LCD for checking the ADF performance. <Operating Procedure> (1) Set documents. (Allowable up to the ADF capacity.) The "DOC.
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Page 531: Test Pattern 1 (function Code)
Test Pattern 1 (Function code 09) <Function> This function, much like the copying function, prints out test pattern 1 to allow the service personnel to check for record data missing or print quality. <Operating Procedure> Press the [0] and [9] keys in this order in the initial stage of the maintenance mode. The figure below shows test pattern.
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Page 532: Firmware Switch Setting And Printout, Firmware Switch Setting (function Code)
Firmware Switch Setting and Printout 4.6.1 Firmware switch setting (Function code 10) <Function> The machine incorporates the following firmware switch functions which may be activated with the procedures using the control panel keys and buttons. The firmware switches have been set at the factory in conformity to the communications standards and codes of each country.
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Page 533
WSW No. Function Refer to: WSW34 Function setting 12 App. 1-35 WSW35 Function setting 13 App. 1-35 WSW36 Function setting 14 App. 1-36 WSW37 Function setting 15 App. 1-37 WSW38 V.34 transmission settings App. 1-38 WSW39 V.34 transmission speed App. 1-39 WSW40 V.34 modem settings App.
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Page 534
WSW No. Function Refer to: The limited number of the documents in reverse for paper WSW76 App. 1-64 ejection of the simplex scanning from ADF. The limited number of the documents in reverse for paper WSW77 App. 1-64 ejection of the duplex scanning from ADF. 7-16 Confidential...
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Page 535
<Operating Procedure> (1) Press the [1] and [0] keys in this order in the initial stage of the maintenance mode. The machine displays the "WSW00" on the LCD and becomes ready to accept a firmware switch number. (2) Enter the desired number from the firmware switch numbers (01 through 77). The following appears on the LCD: Selector 1 Selector 8...
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Page 536: Printout Of Firmware Switch Data (function Code)
4.6.2 Printout of firmware switch data (Function code 11) <Function> The machine prints out the setting items and contents specified by the firmware switches. <Operating Procedure> (1) Press the [1] key twice in the initial stage of the maintenance mode. The "PRINTING"...
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Page 537: Operation Check Of Lcd (function Code)
Operation Check of LCD (Function code 12) <Function> This function allows you to check whether the LCD on the control panel works normally. <Operating Procedure> (1) Press the [1] and [2] keys in this order in the initial stage of the maintenance mode. The LCD shows.
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Page 538: Operational Check Of Control Panel Button (function Code)
Operational Check of Control Panel Button (Function code 13) <Function> This function allows you to check the control panel PCB for normal operation. <Operating Procedure> (1) Press the [1] and [3] keys in this order in the initial stage of the maintenance mode. The "00"...
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Page 539
■ DCP8070D Fig. 7-10 ■ MFC8370DN/8380DN Fig. 7-11 7-21 Confidential...
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Page 540: Rom Version Check (function Code)
ROM Version Check (Function code 25) <Function> This function allows you to check the management information of the software programs such as version information, check sum. <Operating Procedure> (1) Press the [2] key and [5] key in this order in the initial stage of the maintenance mode. The machine displays each of terms described below on the LCD.
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Page 541: Sensor Operational Check (function Code)
4.10 Sensor Operational Check (Function code 32) <Function> This function allows you to check whether the each sensors work correctly. <Operating Procedure> (1) Press the [3] and [2] keys in this order in the initial stage of the maintenance mode. The machine beeps 1100 Hz and 400 Hz tones cyclically through the following volumes for testing the speaker.
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Page 542
(3) Press the [Stop/Exit] button. The machine beeps for one second and returns to the initial stage of the maintenance mode. Note: • If you have opened and closed the front cover during the above procedure, you need to open and close the front cover again upon completion of the procedure. ■...
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Page 543: Function Setting, Pc Print Function (function Code)
4.11 PC Print Function (Function code 43) <Function> This function allows the machine change that the setting of each PC printing function indicated to the following function settings. <Operating Procedure> (1) Press the [4] and [3] keys in this order in the initial stage of the maintenance mode. The “Manual Feed”...
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Page 544
Initial LCD indication Description Set value value AutoFF Switching of the auto form feed On/Off AutoFF Time Switching of the time-out period of 1 to 99 (seconds) the auto feed FF Surpress Switching of the FF suppress On/Off Auto LF Switching of the auto LF On/Off Auto CR...
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Page 545
LCD indication Detail description Auto I/F Time Configure the setting for the interface open time. The function is in the PC-Print. When the PC-Scan/Remote-SetUp works on the way, the setting becomes invalid. Media Type Effective for the print from the PC. When set the type of the recording paper on the PC, the setting becomes effective.
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Page 546: Switching The Usb Setting (function Code)
4.12 Switching the USB Setting (Function code 45) <Function> If a Vista supported PC connect with a USB device by USB full-speed 2.0, the PC's operation system may be unable to recognize the serial number of the USB device depending on the PC and the USB device.
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Page 547: Eeprom Customizing (user-accessible) (function Code)
4.13 EEPROM Customizing (User-accessible) (Function code 52) <Function> This function allows users to customize the EEPROM settings such as language, function settings or worker switch settings. Note: • This function is applicable to “France and surrounding countries”, “Pan-Nordic”, “Oceania” and “Iberia” areas only. <Operating Procedure>...
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Page 548
4.14 Received Data Transfer Function (Function code 53) (only model with FAX) <Function> This function transfers received FAX data to another machine. It is useful when the machine cannot print received data due to the printing mechanism being defective. And this function faxes the maintenance information of the machine.
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Page 549
■ Cover page sample Job number Total number of page to be transferred Station ID registered in the sender equipment FAX number of the sender equipment Telephone number of the sender equipment Transfer start date Model code Boot ROM info ROM info Serial number Fig.
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Page 550: Fine Adjustment Of Scan Start/end Positions (function Code)
4.15 Fine Adjustment of Scan Start/End Positions (Function code 54) <Function> This function allows you to adjust the scanning start and end positions with the ADF and document scanner unit. <Operating Procedure> (1) Press the [5] and [4] keys in this order in the initial stage of the maintenance mode. The “SCAN START ADJ.”...
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Page 551
MAINTENANCE [5] and [4] buttons select SCAN START ADJ. 2 seconds later :ADF : FB ] or [ ] button MAINTENANCE [OK] button [Stop/Exit] button ] button ] button MAINTENANCE [Stop/Exit] button [OK] button ACCEPTED 1 second later Fig. 7-16 7-33 Confidential...
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Page 552: Function Code
4.16 Acquisition of White Level Data and CCD Scanner Area Setting (Function code 55) <Function> This function allows the machine to obtain white level data for the scanner module and save it together with the scanner module area into the EEPROM on the main PCB. <Operating Procedure>...
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Page 553
Maintenance mode 55 required input data Input data → 4610 - 4619 46156 → 4620 - 4629 46257 → 4630 - 4639 46358 → 4640 - 4649 46459 → 4650 - 4659 46550 → 4660 - 4669 46651 → 4670 - 4679 46752 →...
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Page 554: Paper Feeding And Ejecting Test (function Code), Eeprom Customizing (function Code)
4.17 Paper Feeding and Ejecting Test (Function code 67) <Function> This function allows you to check that a sheet of paper is fed and ejected correctly by printing the grid pattern on a page, whose interval is 1cm. <Operating Procedure> (1) Press the [6] and [7] keys in this order in the initial stage of the maintenance mode.
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Page 555
<EEPROM customizing code list> DCP- DCP- DCP- MFC- MFC- MFC- MFC- MFC- Destination 8070D 8080DN 8085DN 8370DN 8380DN 8480DN 8880DN 8890DW 0001 0101 0201 0401 Canada 0002 0202 0402 Argentina 0036 0136 0236 0436 Chile 0136 0236 0436 Brazil 0042 0042 0142 0242...
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Page 556
DCP- DCP- DCP- MFC- MFC- MFC- MFC- MFC- Destination 8070D 8080DN 8085DN 8370DN 8380DN 8480DN 8880DN 8890DW Philippines 0040 0140 0240 0340 China 0020 0120 0120 0020 India 0045 0145 0345 Oceania 0140 Australia 0106 0206 0306 0406 (0156) (0256) (0356) (0456) 0127...
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Page 557: Maintenance Information, Printout Of Maintenance Information (function Code)
4.19 Printout of maintenance information (Function code 77) <Function> This function is to print out log information. <Operating Procedure> (1) Press the [7] key twice in the initial stage of the maintenance mode. The “MAINTENANCE 77” will appear on the LCD. In the case of the model without the numeric keys;...
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Page 558: Operational Check Of Fans (function Code)
4.20 Operational Check of Fans (Function code 78) <Function> This function is to check whether each of fans is operating correctly or not. The following fans are checked. <Operating Procedure> (1) Press the [7] and [8] keys in this order in the initial stage of the maintenance mode. The indication will appear on the LCD as shown in the figure below.
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Page 559: Display Of The Machine's Log Information (function Code)
4.21 Display of the Machine’s Log Information (Function code 80) <Function> The machine may display its log information on the LCD. <Operating Procedure> (1) Press the [8] and [0] keys in this order in the initial stage of the maintenance mode. The USB serial number appears on the LCD.
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Page 560
TTLFAX: Number of FAX outputs made TR1_PG: Number of pages picked up from the T1. TR2_PG: Number of pages picked up from the LT. MP_PG: Number of pages picked up from the MP. DX_PG: Number of pages picked up from the DX. A4+LTR: Number of A4/Letter size sheets picked up.
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Page 561: Error Code Indication (function Code), Output Of Transmission Log To The Telephone Line (function Code)
4.22 Error Code Indication (Function code 82) <Function> This function displays an error code of the machine on the LCD. <Operating Procedure> (1) Press the [8] and [2] keys in this order in the initial stage of the maintenance mode. The machine displays “MACHINE ERROR X X”...
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Page 562
4.24 Counter Reset After Replacing the Fuser Unit,Laser Unit and Paper Feed Kit (Function code 88) <Function> The number of replacement is increased by one, and the warning indication “Replace ***” is cleared, with implementing this operation after replacing the fuser unit, laser unit and paper feed Kit (MP, T1, T2).
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Page 563: Other Service Functions, Resetting The Periodical Maintenance Parts Life
5. OTHER SERVICE FUNCTIONS Resetting the Periodical Maintenance Parts Life ■ Resetting the Life Counter of the Fuser Unit <Function> This function allows you to reset the page counter of the fuser unit and increase the number of replacement times by one. <Operating Procedure>...
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Page 564
■ Resetting the Life Counter of the Paper Feeding Kit <Function> This function allows you to reset the page counter of the paper feeding kit (1 or 2) and increase the number of replacement times by one. <Operating Procedure> (1) Press the [3] and [9] keys at the same time in the ready state. The “Reset Menu”...
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Page 565: Develop Roller / Developing Bias Voltage Counter Reset Function
■ Resetting the Life Counter of the Laser Unit <Function> This function allows you to reset the page counter of the laser unit and increase the number of replacement times by one. <Operating Procedure> (1) Press the [3] and [9] keys at the same time in the ready state. The “Reset Menu”...
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Page 566: Drum Condensation Countermeasure Mode
Drum condensation countermeasure mode The printing spots may occur with the condensation of the surface of the drum in the high humidity environment. When the drum condensation countermeasure mode is set to ON to follow the procedure described below, you can remedy the condensation of the surface of the drum in drying by heat of the fuser unit.
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Page 567
CHAPTER CIRCUIT DIAGRAMS, WIRING DIAGRAM Confidential...
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Page 568
CHAPTER 8 CIRCUIT DIAGRAMS, WIRING DIAGRAM This chapter provides the circuit diagrams of the High-voltage power supply PCB, LVPS PCB and NCU PCB and the wiring diagrams that help you understand the connections between PCBs. CONTENTS 1. CIRCUIT DIAGRAMS....................8-1 2.
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Page 569: Circuit Diagrams
1. CIRCUIT DIAGRAMS High-voltage Power Supply PCB Circuit Diagram Fig. 8-1 Confidential...
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Page 570
■ LVPS PCB Circuit Diagram (230V) Fig. 8-2 Confidential...
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Page 571
■ LVPS PCB Circuit Diagram (115V) Fig. 8-3 Confidential...
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Page 572
■ NCU PCB circuit diagram : USA/Canada +24V 1SS120 R7 100 2W C103 C2.2 R41-4910-A A5X-24E-908 @R8 510 RA-351M-V6-2 2.7k BT-17 (LINE) C221 C104 4.3k R14 100k C101 C104 RA-242M-C6 C102 RA-242M-C6 100k C104 BA10358 TLP421 100k C104 3.3k @PH1 C474 PS2533-1 11 TELRL...
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Page 573
■ NCU PCB circuit diagram : Europe/Asia/Oceania/China +24V @SW1 @C29 C153 1SS120 @C28 @CR1 C153 R41-4910-C @C22 C563 1/4W BT-6 JW14 JW15 C2.2 @R18 1.5k 1SS120 JW13 @CR2 @C19 C561 @C14 S1ZB60 @R17 C822 @R13 68k 3.9k @SW2 ERA15-04 100k @PH1 BA10358 C101...
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Page 574
■ NCU PCB circuit diagram : South Africa/Gulf +24V @SW1 @C29 C153 1SS120 @C28 @CR1 C153 MJ-66J-RD315(LF) @C22 C563 RA-242M-C6 1/4W BT-6 A(EX-16) C2.2 @R18 1.5k @AL3 1SS120 P3100 @CR2 @C19 C561 @C14 S1ZB60-7101 C822 @R17 @R13 3.9k @SW2 ERA15-04 R14 100k @PH1 BA10358...
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Page 575: Wiring Diagram
2. WIRING DIAGRAM <CCD model> CN3-8 CN14-9 LT2_DET2 Parallel Tray1 solenoid +24V DIMM LT1_DET1 T1_SOL Interface LT1_PEDG Regist solenoid REG_SOL CN13 RELAY_ CN19 LT1_PE CN18 MP_SOL LT(OPT) +3.3V FRONT MP solenoid LT1_SOL PNEW_SEN +24V Cover sensor TNR_SEN 24VRET CN16-9 F_COV_SEN Toner LED PCB HEATERONN1 CN5-6...
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Page 576
<CIS model> CN3-8 CN4-9 LT2_DET2 Tray1 solenoid +24V DIMM LT1_DET1 T1_SOL LT1_PEDG Regist solenoid REG_SOL CN13 LT1_PE RELAY_ CN18 MP_SOL LT(OPT) +3.3V FRONT MP solenoid LT1_SOL PNEW_SEN +24V Cover sensor TNR_SEN 24VRET Toner LED PCB CN16-9 F_COV_SEN HEATERONN1 CN5-6 THM_EDGE +3.3V Fuser thermistor THM_CENTER...
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Page 577
APPENDIX WORKER SWITCH (WSW) This appendix describes the functions of the Firmware switches. Use the Firmware switch to match the environmental conditions if the machine malfunctions due to mismatching. Confidential...
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Page 578
FIRMWARE SWITCHES (WSW) This appendix describes the functions of the Worker switches, which can be divided into two groups: one is for customizing preferences designed for the shipping destination (Refer to "4.18 EEPROM Customizing (Function code 74)" in Chapter 7) and the other is for modifying preferences that match the machine to the environmental conditions.
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Page 579
WSW No. Function Refer to: WSW30 Function setting 8 App. 1-32 WSW31 Function setting 9 App. 1-33 WSW32 Function setting 10 App. 1-34 WSW33 Function setting 11 App. 1-34 WSW34 Function setting 12 App. 1-35 WSW35 Function setting 13 App. 1-35 WSW36 Function setting 14 App.
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Page 580
WSW No. Function Refer to: WSW70 Paper feeding kit life end App. 1-61 WSW71 Paper feeding kit 2 life end App. 1-61 WSW72 Paper feeding kit MP life end App. 1-62 WSW73 Not used App. 1-62 WSW74 Not used App. 1-62 WSW75 Paper ejecting distance of the switch back App.
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Page 581
The functions and settings for each worker switch (WSW) are described below; <WSW01> (Dial pulse setting) Selector No. Function Setting and Specifications No. 1 2 0 0 : N Dial pulse generation mode 0 1 : N+1 1 0 : 10-N 1 1 : N No.
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Page 582
• Selectors 5 and 6: Inter-digit pause These selectors set the inter-digit pause in pulse dialing. (Example: If "1," "2," and "3" are dialed when N is set by selectors 1 and 2.) "1" "2" "3" Inter-digit pause set by selectors 5 and 6 •...
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Page 583
<WSW02> (Tone signal setting) Selector No. Function Setting and Specifications No. 1 2 0 0 : 70 ms Tone signal transmission time 0 1 : 80 ms length 1 0 : 90 ms 1 1 : 100 ms No. 3 4 0 0 : 70 ms Min.
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Page 584
<WSW03> (PABX mode setting) Selector No. Function Setting and Specifications CNG detection when sharing a modular wall socket with a 0: A 1: B telephone No. 2 3 4 0 0 0: 50 ms 0 0 1: 210 ms 0 1 0: 500 ms Detection time length of PABX* dial tone, required for starting 0 1 1: 800 ms...
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Page 585
• Selectors 6 and 7: Dial tone detection in PABX* These selectors activate or deactivate the dial tone detection function which detects a dial tone when a line is connected to the PABX. Setting both of these selectors to "1" activates the dial tone detection function so that the machine starts dialing upon detection of a dial tone when a line is connected.
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Page 586
<WSW04> (Transfer facility setting) Selector No. Function Setting and Specifications Earth function in transfer facility (Not used.) Dual tone detection frequency in ICM recording (Not used.) Dual tone detection sensitivity in ICM recording (Not used.) Length of time added to time designated by selectors 3 and 4 on the WSW 24 (time between 0: Not added 1: +4 seconds added...
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Page 587
<WSW05> (1st dial tone and busy tone detection) Selector No. Function Setting and Specifications No. 1 2 3 0 0 0: 3.5 sec. wait 0 0 1: 7.0 sec. wait 0 1 0: 10.5 sec. wait 1st dial tone detection 0 1 1: 14.0 sec.
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Page 588
• Selectors 5 and 6: Busy tone detection in automatic sending mode These selectors determine whether or not the machine automatically disconnects a line upon detection of a busy tone in automatic sending mode. Setting selector 6 to "0" ignores a busy tone so that the machine does not disconnect the line.
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Page 589
• Selectors 1 through 3: [Redial/Pause] button setting and 2nd dial tone detection Selectors No wait is inserted even if the [Redial/Pause] button is pressed. If you press the [Redial/Pause] button during dialing, the machine will insert wait as defined in the above table. If the [Redial/Pause] button is pressed repeatedly, the machine inserts the specified wait multiplied by the number of depressions.
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Page 590
<WSW07> (Dial tone setting 1) Selector No. Function Setting and Specifications No. 1 2 0 0: Narrows by 10 Hz Dial tone frequency band control 0 1: Initial value 1 0: Widens by 10 Hz 1 1: Widens by 10 Hz Line current detection (Not used.) No.
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Page 591
<WSW08> (Dial tone setting 2) Selector No. Function Setting and Specifications No. 1 2 3 0 0 0: 50 ms 0 0 1: 250 ms 0 1 0: 500 ms 1st dial tone detection time 0 1 1: 620 ms length 1 0 0: 800 ms 1 0 1: 1.5 sec.
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Page 592
<WSW09> (Protocol definition 1) Selector No. Function Setting and Specifications Frame length selection 0: 256 octets 1: 64 octets Use of non-standard commands 0: Allowed 1: Prohibited No. 3 4 0 0: 4 times No. of retries 0 1: 3 times 1 0: 2 times 1 1: 1 times T5 timer...
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Page 593
<WSW10> (Protocol definition 2) Selector No. Function Setting and Specifications DPS switching interfacing with 0: No 1: Yes Time length from transmission of 0: 100 ms 1: 50 ms the last dial digit to CML ON Time length from CML ON to 0: 2 sec.
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Page 594
<WSW11> (Busy tone setting) Selector No. Function Setting and Specifications No. 1 2 0 0: Narrows by 10 Hz Busy tone frequency band 0 1: Initial value control 1 0: Widens by 10 Hz 1 1: Widens by 10 Hz 1: 250-750/250-750 ms 1: 400-600/400-600 ms ON/OFF time length ranges for...
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Page 595
<WSW12> (Signal detection condition setting) Selector No. Function Setting and Specifications No. 1 2 0 0: 1500 ms Min. detection period required for interpreting incoming calling 0 1: 500 ms signal (CI) as OFF 1 0: 700 ms 1 1: 900 ms No.
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Page 596
<WSW13> (Modem setting) Selector No. Function Setting and Specifications No. 1 2 0 0: 0 km Cable equalizer 0 1: 1.8 km 1 0: 3.6 km 1 1: 5.6 km No. 3 4 0 0: -43 dBm Reception level 0 1: -47 dBm 1 0: -49 dBm 1 1: -51 dBm No.
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Page 597
<WSW14> (AUTO ANS facility setting) Selector No. Function Setting and Specifications No. 1 2 0 0: 13 Hz Frequency band selection (lower limit) for incoming calling 0 1: 15 Hz signal (CI) 1 0: 23 Hz 1 1: 20 Hz No.
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Page 598
<WSW15> (Redial facility setting) Selector No. Function Setting and Specifications No. 1 2 0 0: 5 min. Redial interval 0 1: 1 min. 1 0: 2 min. 1 1: 3 min. No. 3 4 5 6 0 0 0 0: 16 times 0 0 0 1: 1 times No.
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Page 599
<WSW16> (Function setting 1) Selector No. Function Setting and Specifications Not used. ITU-T (CCITT) superfine 0: OFF 1: ON recommendation Not used. Max. document length limitation 0: 400 cm 1: 90 cm [Stop/Exit] button pressed 0: Not functional 1: Functional during reception •...
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Page 600
<WSW18> (Function setting 3) Selector No. Function Setting and Specifications Addition of registration of station 0: Add 1: Not add ID for PC-FAX No. 2 3 0 0: 40 sec. Detection enabled time for CNG 0 1: 0 sec. (No detection) and no tone 1 0: 5 sec.
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Page 601
<WSW19> (Transmission speed setting) Selector No. Function Setting and Specifications No. 1 2 3 First transmission speed choice No. 4 5 6 for fallback 0 0 0: 2,400 bps 0 0 1: 4,800 bps 0 1 0: 7,200 bps 0 1 1: 9,600 bps 1 0 0: 12,000 bps Last transmission speed choice for fallback...
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Page 602
<WSW20> (Overseas communications mode setting) Selector No. Function Setting and Specifications EP* tone prefix 0: OFF 1: ON Overseas communications 0: 2100 Hz 1: 1100 Hz mode (Reception) Overseas communications 0: OFF 1: Ignores DIS once. mode (Transmission) No. 4 5 0 0: 100 ms Min.
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Page 603
<WSW21> (TAD setting 1) Selector No. Function Setting and Specifications Max. waiting time for voice signal (Not used.) Taping the call (Not used.) Erasure of message stored in the memory after the message transfer (Not used.) <WSW22> (ECM and call waiting caller ID) Selector No.
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Page 604
<WSW23> (Communications setting) Selector No. Function Setting and Specifications 0: 0 From the head of a series of zeros Starting point of training check (TCF) 1: From any arbitrary point No. 2 3 0 0: 0 % Allowable training error rate 0 1: 0.5 % 1 0: 1 % 1 1: 2 %...
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Page 605
<WSW24> (TAD setting 2) Selector No. Function Setting and Specifications Maximum OGM recording time (Not used.) No. 3 4 0 0: 4 sec. Time length from CML ON to start of pseudo ring backtone 0 1: 3 sec. transmission 1 0: 2 sec. 1 1: 1 sec.
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Page 606
<WSW26> (Function setting 4) Selector No. Function Setting and Specifications Not used. Dialing during document reading into the temporary memory in in- 0: Disable 1: Enable memory message transmission In the case of Selector 3=0 in WSW54. No. 4 5 0 0: 0.5 0 1: 1 No.
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Page 607
• Selectors 6 and 7: No. of CNG cycles to be detected (when the line is connected via the external telephone in the external TAD mode, via the built-in telephone in the TAD mode, or via the machine in the automatic reception of the F/T mode) The machine interprets a CNG as an effective signal if it detects the CNG by the number of cycles specified by these selectors when the line is connected via the external telephone in...
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Page 608
<WSW28> (Function setting 6) Selector No. Function Setting and Specifications No. 1 2 3 0 0 0: 0 dB 0 0 1: +1 dB 0 1 0: +2 dB Transmission level of DTMF 0 1 1: +3 dB high-band frequency signal 1 0 0: 0 dB 1 0 1: -1 dB 1 1 0: -2 dB...
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Page 609
<WSW29> (Function setting 7) Selector No. Function Setting and Specifications Compression threshold level for voice signals inputted via the telephone line in the built-in TAD operation (Not used.) Compression threshold level for voice signals inputted via the handset in the built-in TAD operation (Not used.) Impedance switching control in 0: OFF...
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Page 610
<WSW31> (Function setting 9) Selector No. Function Setting and Specifications Not used. Default reduction rate for failure of automatic reduction during 0: 100 % 1: 75 % recording Not used. (Do not disturb this selector.) Minimum ON and OFF duration of ringer signals effective in 0: 130 ms 1: 90 ms...
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Page 611
<WSW32> (Function setting 10) Selector No. Function Setting and Specifications Not used. No. 5 6 0 0: Standard Default resolution when FAX 0 1: Fine scanning 1 0: Super fine 1 1: Photo No. 7 8 0 0: Automatic Default contrast when FAX 0 1: Automatic scanning 1 0: Super light...
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Page 612
<WSW34> (Function setting 12) Selector No. Function Setting and Specifications Erasing time length of ICM tone recorded preceding the tone detection starting point in the case of automatic line disconnection due to no voice signal received (Not used.) No. of CNG cycles to be detected (when the line is connected via the external telephone in the...
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Page 613
<WSW36> (Function setting 14) Selector No. Function Setting and Specifications ECP mode* 0: ON 1: OFF Recovery from Inactive PC 0: Disable 1: Enable Interface PC Power-off Recognition Time 0: Normal 1: Long Not used. Escape from phase C 0: Yes 1: No No.
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Page 614
• Selectors 6 through 8: Extension of incoming calling signal (CI) frequency band specified by selectors 1 through 4 on WSW14 At the start of reception, if the machine detects the frequency of a CI signal specified by selectors 1 through 4 on WSW14, it starts the ringer sounding. However, the machine may fail to detect the CI signal normally due to noise superimposed at the time of reception.
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Page 615
<WSW38> (V.34 transmission settings) Selector No. Function Setting and Specifications No. 1 2 0 0: Automatic Setting of the equalizer 0 1: Automatic 1 0: Fixed to 4 points 1 1: Fixed to 16 points Sending level of guard tone at 0: Normal - 7 db 1: Normal phase 2 Stepping down the transmission...
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Page 616
<WSW39> (V.34 transmission speed) Selector No. Function Setting and Specifications No. 1 2 3 4 No. 5 6 7 8 0 0 0 0: 2,400 bps 0 0 0 1: 4,800 bps 0 0 1 0: 7,200 bps 0 0 1 1: 9,600 bps 0 1 0 0: 12,000 bps 0 1 0 1: 14,400 bps 0 1 1 0: 16,800 bps...
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Page 617
<WSW40> (V.34 modem settings) Selector No. Function Setting and Specifications Not used. Not masking Masking No. 3 3429 symbols/sec No. 4 3200 symbols/sec Masking of symbol rate(s) No. 5 3000 symbols/sec No. 6 2800 symbols/sec No. 7 Not used. No. 8 2400 symbols/sec Note: •...
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Page 618
Transmission Transmission Transmission Symbol rate Symbol rate Symbol rate speed (bps) speed (bps) speed (bps) 2400 2,400 3000 4,800 3429 4,800 4,800 7,200 7,200 7,200 9,600 9,600 9,600 12,000 12,000 12,000 14,400 14,400 14,400 16,800 16,800 16,800 19,200 19,200 19,200 21,600 21,600 21,600...
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Page 619
<WSW41> (ON-duration of the scanning light source) Selector No. Function Setting and Specifications No. 1 2 3 0 0 0: 16 hours 0 0 1: 24 hours 0 1 0: 12 hours ON-duration of the scanning 0 1 1: 8 hours light source at room temperature 1 0 0: 4 hours 1 0 1: 2 hours...
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Page 620
<WSW42> (Internet mail settings) Selector No. Function Setting and Specifications Access to the incoming mail (POP3) server (Periodical or on-demand) (Not used.) Access to the outgoing mail 0: OFF 1: ON (SMTP) server I-FAX relay (Not used.) JBIG encoding system 0: Not allowed 1: Allowed Drum discharge detection 0: ON...
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Page 621
<WSW44> (Speeding up scanning-1) Selector No. Function Setting and Specifications No. 1 2 3 4 5 0 0 0 0 0: Max. Copying speed control 0 0 0 0 1: 1cpm 1 1 1 1 1: 31cpm No. 6 7 8 0 0 0: Obtained compensation data ineffective 0 0 1: 1 min.
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Page 622
<WSW45> (Speeding up scanning-2) Selector No. Function Setting and Specifications No. 1 2 3 0 0 0: No automatic drawing-in 0 0 1: 1 sec. 0 1 0: 2 sec. Delay time from when documents are set until the ADF 0 1 1: 3 sec.
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Page 623
• Selector 7: Standby position of the scanner unit This selector determines whether the standby position of the scanner unit should be the unit lock position or the location of the white-level reference film (attached to the inside of the scanner top cover). If the location of the reference film is selected, the scanner unit will not return to the home position so as to shorten the travel time, decreasing the preparation time for copying.
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Page 624
<WSW47> (Switching between high- and full-speed USB) Selector No. Function Setting and Specifications Handling paper at the occurrence of a paper feed timing error (Not used.) Reducing to B4 from A4 and 0: No 1: Yes sending at the real time sending No.
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Page 625
<WSW48> (USB setup latency) Selector No. Function Setting and Specifications Not used. No. 3 4 5 0 0 0: 25 PCs 0 0 1: 50 PCs 0 1 0: 75 PCs Number of network TWAIN PCs 0 1 1: 100 PCs registered for each application 1 0 0: 125 PCs 1 0 1: 150 PCs...
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Page 626
<WSW50> (SDAA settings) Selector No. Function Setting and Specifications Percentage voltage for interpreting the external telephone as being hooked up (based on the network's standard voltage) (Not used.) DC mask curve table to be applied when the line is connected (Not used.) AC impedance to be applied when the line is connected...
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Page 627
<WSW52> (Function setting 18) Selector No. Function Setting and Specifications Cordless handset microphone level and echo cancellation ON/ (Not used.) External telephone pseudo ringing signal frequency setting (Not used.) Caller ID (number display) display after the machine has returned to TEL mode from FAX mode (Not used.) Dial display during transmission (Not used.)
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Page 628
<WSW54> (Function setting 20) Selector No. Function Setting and Specifications PictBridge command delay time (Not used.) More CNG detection cycles in 0: No 1: 2 more cycles user-friendly reception Cordless handset ID recovery future (Not used.) No. 5 6 0 0: 10 ms (default) Caller ID tone alert detection 0 1: 20 ms time length...
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Page 629
<WSW55> (Not used) Selector No. Function Setting and Specifications Interval of time required for the developing bias voltage correction (hour) (Not used.) The setting example of the selector number is as follows; No.1 2 3 4 5 6 7 8 0 0 0 0 0 0 0 0 : The developing bias voltage correction is performed on each print job.
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Page 630
<WSW56> (Function setting 21) Selector No. Function Setting and Specifications PS emulation function setting (Not used.) Switching of the PPT setting 0: Invalid 1: Valid "Last Job Reprint" function 0: Invalid 1: Valid setting 0: Enable(default) Wireless LAN function 1: Disable Switching of the echo suppression improvement 0: Enable...
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Page 631
<WSW57> (Function setting 22) Selector No. Function Setting and Specifications Caller ID judgment voltage (to be distinguished from rings) (Not used.) Caller ID judgment voltage (to be distinguished from reverse polarity voltages) (Not used.) Not used. Base unit [Start] button after cordless handset dialing (Not used.) <WSW58>...
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Page 632
<WSW59> (Function setting 24) Selector No. Function Setting and Specifications 0: USB serial number transmitted USB serial number (SN) transmission enabled/disabled 1: USB serial number not transmitted Extension of the waiting time 0: Enable 1: Disable (default) between ANSam and DIS No.
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Page 633
• Selector 3 through 7: Checking of the specified character code set when displaying or printing the folder/file names stored in memory cards or USB flash memory drives Setting these selectors to "0, 0, 0, 0, 0" does not check any character code set. When folder/ file names stored in memory cards or USB flash memory drives contain Chinese characters, for example, those characters may get garbled in displaying on the color LCD or printing indexes.
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Page 634
<WSW61> (Scanning light intensity to judge to be stable 1) Selector No. Function Setting and Specifications No. 1 2 3 4 0 0 0 0: 1% (Default) 0 0 0 1: 0.5% 0 0 1 0: 3% Change rate of the Scanner 0 0 1 1: 5% scanning light intensity to judge 0 1 0 0: 10%...
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Page 635
<WSW62> (Scanning light intensity to judge to be stable 2) Selector No. Function Setting and Specifications Change rate Change rate No. 1 2 3 4 for simple for regular compensation compensation 0 0 0 0: 10% * 0 0 0 1: 0 0 1 0: 0 0 1 1: 0 1 0 0:...
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Page 636
• Selectors 5 and 6 / 7 and 8:Selection of judging function for scanning pages compensation These selectors set the condition to control scanning pages compensation. Some operation losses occur in the control of the compensation. If you want to start scanning immediately even if the image quality is not good, set to "01: Not discriminates".
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Page 637
<WSW64> (Setting the language / Default paper size) Selector No. Function Setting and Specifications No. 1 2 3 4 5 6 0 0 0 0 0 0: English 0 0 0 0 0 1: French 0 0 0 0 1 0: German 0 0 0 0 1 1: Dutch 0 0 0 1 0 0: Spanish 0 0 0 1 0 1: Italian...
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Page 638
<WSW66> (Drum life end) Selector No. Function Setting and Specifications <Reserved> * Prohibit a change of the setting <WSW67> (Not used) Selector No. Function Setting and Specifications <Reserved> * Prohibit a change of the setting <WSW68> (Fuser unit life end) Selector No.
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Page 639
<WSW72> (Paper feeding kit MP life end) Selector No. Function Setting and Specifications <Reserved> * Prohibit a change of the setting <WSW73> (Not used) Selector No. Function Setting and Specifications <Reserved> * Prohibit a change of the setting <WSW74> (Not used) Selector No.
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Page 640
<WSW75> (Paper ejecting distance of the switch back) Selector No. Function Setting and Specifications Adjustment for the paper feeding distance for turning the 0: + document counter when the 1: - machine takes action duplex scanning No. 2 3 4 5 6 7 8 0 0 0 0 0 0 0: 0 Paper feeding parameter for 0 0 0 0 0 0 1: 1...
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Page 641
<WSW76> (The limited number of the documents in reverse for paper ejection of the simplex scanning from ADF) Selector No. Function Setting and Specifications No. 1 2 3 4 5 6 7 8 0 0 0 0 0 0 0 0: 0 0 0 0 0 0 0 0 1: 1 The limited number of the 0 0 0 0 0 0 1 0: 2...
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Page 642
APPENDIX DELETION OF USER SETTING INFORMATION, etc. This appendix describes how to delete user setting information, etc. Confidential...
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Page 643
DELETION OF USER SETTING INFORMATION, etc. User setting such as wired and wireless network settings in the machine is recorded in the EEPROM and the Flash memory on the Main PCB. Follow the procedure described below to delete this information with a single operation. - Your name and telephone number - Telephone directory data - Group dialing data...
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Page 644
APPENDIX SERIAL NUMBERING SYSTEM This appendix describes the meaning of the serial number and property codes and the location of each label. Confidential...
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Page 645
SERIAL NUMBERING SYSTEM Each machine has a serial number label for the machine itself and property labels for some other parts. Refer to the information below for the meaning of the serial number and property codes and the location of each label. ■...
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Page 646: Screw Catalogue
APPENDIX SCREW CATALOGUE This appendix describes the used all screws in this machine by actual size. Use this appendix when lose the screw type. Confidential...
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Page 647
SCREW CATALOGUE Taptite bind B Screw pan (S/P washer) Taptite bind B Screw pan (S/P washer) M3x8 M3x6 Screw pan (S/P washer) Taptite bind B M3.5x6 M3x10 Screw pan (S/P washer) Taptite bind B M3.5x7.5 SR M4x12 Taptite cup B Taptite B Taptite cup B Taptite B...
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Page 648
APPENDIX REFERENCES This page provides the retrieve information. It is possible to get the instruction of the subject by just clicking on the link next page. Confidential...
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Page 649
REFERENCES This page provides reference information. It is possible to get the full instructions of the subjects listed by just clicking on the links below. 1. Error codes (Refer to "3. ERROR CODES" in Chapter 2. Error message (Refer to "2.
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Page 650
APPENDIX GLOSSARY This appendix describes the manual specific acronyms and technical terms that are used in addition to the generally used ones. The next page contains typical acronyms and technical terms that are used throughout these manuals. Confidential...
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Page 651
GLOSSARY ACRONYMS AND TECHNICAL TERMS In this Service Manual, the manual specific acronyms and technical terms are used in addition to the generally used ones. The table below contains typical acronyms and technical terms that are used throughout this manuals. APIPA Automatic Private IP Addressing ASIC...
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Page 652
Solenoid Spare Parts Simplex Tray 1 Toner Empty Thermal Toner Transfer * Excluding the acronym shown on the wiring diagram or circuit diagram. App. 6-2 Confidential...
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