Brother Color Laser Printer SERVICE MANUAL MODEL: DCP-9040CN/9042CDN MFC-9440CN/9450CDN Read this manual thoroughly before carrying out any maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. April 2007 SM-FAX070 (10) Confidential...
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Ltd., covering the latest product descriptions and specifications. The contents of this manual and the specifications of this product are subject to change without notice. Brother reserves the right to make changes without notice in the specifications and materials contained herein...
(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-9040CN/9042CDN/ MFC-9440CN/9450CDN machines. This manual consists of the following chapters: CHAPTER 1: TROUBLESHOOTING Details of error messages and codes that the incorporated self-diagnostic functions of the machine will display if any error or malfunction occurs.
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APPENDIX 1: WORKER SWITCH SETTINGS (WSW) Describes the functions of the worker switches, which can be divided into two groups: one is for customizing preferences designed for the destination and the other is for modifying preferences that match the machine to the environmental conditions. Use the latter group if the machine malfunctions due to mismatching.
TABLE OF CONTENTS REGULATION.................... VIII SAFETY INFORMATION................XII CHAPTER 1 TROUBLESHOOTING ............1-1 1. INTRODUCTION ......................1-1 1.1 Precautions ........................1-1 1.2 Initial Check........................1-1 2. ERROR CODES ......................1-3 2.1 Error Indication ........................1-3 2.2 Error Cause and Remedy ....................1-5 2.2.1 Recoverable Error by User Check ................
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2.2.3 Paper Feeding Kit (PF Kit1, PF Kit2) ..............2-30 2.2.4 MP Paper Feeding Kit (PF Kit MP) ................ 2-35 2.3 Parts Life Reset Function....................2-40 CHAPTER 3 DISASSEMBLY AND ASSEMBLY........3-1 1. SAFETY PRECAUTIONS....................3-1 2. PACKING ........................3-2 3. SCREW TORQUE LIST ....................3-3 4.
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8.27 Release Rack ....................... 3-102 8.28 Front Door Unit ASSY ....................3-103 8.29 Harness Cover MP....................... 3-106 8.30 Front Door Sub......................3-107 8.31 EL Electrode Spring L/R....................3-108 8.32 Hook Cover/ Front Cover Release Button/ Button Spring/ Front Door Main ....3-109 8.33 Hook Shaft/ Hook/ Hook Spring ...................
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CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTING, REQUIRED AFTER PARTS REPLACEMENT ....4-1 1. IF YOU REPLACE THE MAIN PCB ................4-1 2. IF YOU REPLACE THE ENGINE PCB..............4-11 3. IF YOU REPLACE THE TRANSFER HVPS PCB UNIT OR REGISTRATION- MARK SENSOR PCB ASSY 1, 2................4-14 4.
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1.4.26 Developing Bias Voltage Correction (Function code 83)........5-38 1.4.27 Output of Transmission Log to the Telephone Line (Function code 87) ..... 5-39 1.4.28 Exit from the Maintenance Mode (Function code 99).......... 5-39 2. OTHER SERVICE FUNCTIONS ................5-40 2.1 Resetting the Periodical Replacement Parts Life ............5-40 2.1.1 Resetting the Life Counter of the Belt Unit ............
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 USB cable. The cable must not be more than 2 meters long.
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Internal laser radiation Maximum radiation power: 30 mW Wave length: 780 - 800 nm Laser class: Class 3B EU Directive 2002/96/EC and EN50419 (European Union only) This equipment is marked with the recycling symbol (below). 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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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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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.
SAFETY INFORMATION Caution for Laser Product (WARNHINWEIS fur Laser drucker) CAUTION: When the machine during servicing is operated with the cover open, the regulations of VBG 93 and the performance instructions for VBG 93 are valid. CAUTION: In case of any trouble with the laser unit, replace the laser unit itself. To prevent direct exposure to the laser beam, do not try to open the enclosure of the laser unit.
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Definitions of Warnings, Cautions, Notes and Memos The following conventions are used in this manual: Mark Contents Warnings tell you what to do to prevent possible personal injury. Electrical Hazard icons alert you to a possible electrical shock. Hot Surface icons warn you not to touch machine parts that are hot. Cautions specify procedures you must follow or avoid to prevent possible damage to the machine or other objects.
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Safety Precautions Listed below are the various kinds of “WARNING” messages included in this manual. WARNING There are high voltage electrodes inside the machine. Before you clean the inside of the machine or replace parts, make sure that you have turned off the power switch and unplugged the machine from the AC power outlet.
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WARNING DO NOT use a vacuum cleaner to clean up scattered toner. Doing this might cause the toner dust to ignite inside the vacuum cleaner, potentially starting a fire. Carefully clean the toner dust with a dry, lint-free cloth and dispose of it according to local regulations. DO NOT use any type of spray to clean inside or outside of the machine.
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WARNING When you move the machine, grasp the side hand holds that are located at the bottom of the machine. DO NOT carry the machine by holding scanner unit. To prevent injuries when moving or lifting this machine, make sure to use at least two people. Use caution when installing or modifying telephone lines.
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About Copying CAUTION LEGAL LIMITATIONS Color reproductions of certain documents are illegal and may result in either criminal or civil liability. This memorandum is intended to be a guide rather than a complete listing of every possible prohibition. In case of doubt, we suggest that you check with counsel as to any particular questionable documents.
CHAPTER 1 TROUBLESHOOTING INTRODUCTION Troubleshooting is the counter measure 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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<Paper> (1) A recommended type of paper is being used. (Refer to “2.6 Paper” in Reference (2) The paper is not damp. (3) The paper is not short-grained paper or acid paper. <Consumable Parts> (1) The drum unit (including the toner cartridge) is installed correctly. (2) The belt unit and waste toner box are installed correctly.
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 The error codes shaded in the table below are recoverable errors if following the User Check items.
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Error Error Refer Refer Problem Problem codes codes Tray 1 (T1) is not installed into the 1-23 Detection error of the scanning area on 1-29 machine. the left end Tray 2 (T2) is not installed into the 1-23 Detection error of the scanning area on 1-29 machine.
Error Cause and Remedy 2.2.1 Recoverable Error by User Check These errors are recoverable by following the message indicated on the LCD or following the items indicated in User Check. Error code 50 Drum End Soon Replace the drum unit User Check - Replace the drum unit with a new one.
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Error code 54 Fuser Unit End Replace the fuser unit User Check - Replace the fuser unit with a new one. - After replacing the fuser unit, reset the counter using the control panel on the machine. (Refer to “2.3 Parts Life Reset Function” in Chapter 2.) Error code 55 Laser Unit End...
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Error code 99 (DCP-9042CDN/ MFC-9450CDN only) Size Error DX Press Cancel. Specify the correct paper and load the same size paper as the Printer driver setting. Specified paper size is not supported for duplex printing (DX). User Check - Check if the selected paper is supported for duplex printing. - Check the size setting of the tray to feed paper.
2.2.2 Service Call Error Check the User Check items first. If the same problem occurs follow each procedure in the order of the number described in the Step column in the table below. Error code 20(K) Print Unable 20 Turn the power off and then back on again. Laser diode failure (K) Error code 21(Y) Print Unable 21...
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Error code 25 Print Unable 25 Turn the power off and then back on again. Develop drive motor failure Error code 26 Print Unable 26 Turn the power off and then back on again. Belt drive motor failure Error code 27 Print Unable 27 Turn the power off and then back on again.
Error code 2A Print Unable 2A Turn the power off and then back on again. Belt cleaner release sensor failure Step Cause Remedy Rotation defective of release Replace the waste toner box. shaft A of waste toner box. Harness connection failure Check the harness connection between the belt between belt cleaner release cleaner release sensor PCB and belt cleaner...
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Error code 2C(K) Print Unable 2C Turn the power off and then back on again. Error code 2D(Y) Print Unable 2D Turn the power off and then back on again. Error code 2E(M) Print Unable 2E Turn the power off and then back on again. Error code 2F(C) Print Unable 2F Turn the power off and then back on again.
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Error code 31 Print Unable 31 Turn the power off and then back on again. Density sensor failure Error code 32 Print Unable 32 Turn the power off and then back on again. Density sensor shutter performance malfunction User Check - Check if there is a scratch, dirt or the like on the belt unit.
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Error code 34 Print Unable 34 Color adjustment shutter failure Step Cause Remedy Density sensor shutter Correct catching of the density sensor shutter. catching on some position Density sensor holder ASSY Reassemble the density sensor holder ASSY assembling failure correctly. Error code 35 Print Unable 35 Turn the power off and then back on again.
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Error code 38 Print Unable 38 Turn the power off and then back on again. THM (Thermistor) sensor failure Error code 39 Print Unable 39 Turn the power off and then back on again. HUM (Humidity) sensor failure Step Cause Remedy Harness connection failure of Check the harness connection of the THM/HUM...
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Error code 3B Print Unable 3B Turn the power off and then back on again. Main PCB RAM failure Step Cause Remedy Main PCB failure Replace the main PCB ASSY. Error code 3D Print Unable 3D Turn the power off and then back on again. Main PCB failure (Any of the PCBs is judged to be failure by the PCB checker, or it is not tested with the checker.) Step...
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Error code 57 (DCP-9042CDN/ MFC-9450CDN) Jam Duplex Pull out Tray 1 completely. Check inside the machine or open the Back Cover to remove the jammed paper. Paper jam while turning it over in duplex printing, or DX (Duplex) solenoid failure User Check - Check if the paper is jammed or not.
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Error code 5A Print Unable 5A Turn the power off and then back on again. Charge HVPS PCB failure Step Cause Remedy Charge HVPS PCB ASSY Check the harness connection between the harness connection failure charge HVPS PCB and engine PCB, and the one between the charge HVPS PCB and low-voltage power supply PCB.
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Error code 68 Print Unable 68 Turn the power off and then back on again. Fuser unit failure (The side thermistor detects higher temperature than the specified value.) Error code 69 Print Unable 69 Turn the power off and then back on again. Fuser unit failure (The side thermistor detects lower temperature than the specified value.) Error code 6A Print Unable 6A...
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Error code 71 Print Unable 71 Turn the power off and then back on again. Polygon motor failure Error code 72 Print Unable 72 Turn the power off and then back on again. Beam detecting sensor (K) failure Error code 73 Print Unable 73 Turn the power off and then back on again.
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Error code 74 (* This error can be found out only in “Maintenance mode 82”.) Print Unable 74 Toner cartridge whose color is used reaches the end of life during printing. Error code 87 Calibrate Calibration failed. Insufficient Toner for Calibration. Toner cartridge whose color is used reaches the end of life when implementing calibration from the control panel.
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Error code 7D Drum Error Slide the Green tab on Drum Unit in each color. Refer to the User’s Guide for the procedures. Dirt on drum unit User Check - Clean the corona wire in the drum unit. - Replace the drum unit with a new one. Step Cause Remedy...
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Error code 84 (Jam Rear) Jam Rear Open the Back Cover and remove the jammed paper. Paper jam rear side of the machine Error code 88 (Jam Inside) Jam Inside Open the Front Cover, pull out the Drum Unit completely and remove the jammed paper.
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Error code 85 No Tray A Tray is not detected, install Tray 1. Tray 1 (T1) is not installed into the machine. User Check - Check if tray 1 (T1) is installed into the machine. - Check if the paper is jammed in tray 1 (T1). Step Cause Remedy...
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Error code 8A (T1) Jam Tray 1 Remove the jammed paper from Tray 1. Error code 8B (LT) (MFC-9440CN/ 9450CDN only) Jam Tray 2 Remove the jammed paper from Tray 2. Error code 8C (MP) Jam MP Tray Remove the jammed paper from Multi Purpose Tray and press start. Paper jam in the appropriate tray User Check - Check if the paper is jammed in the appropriate tray.
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Error code 8E Registration Registration failed. Press start and try again. Auto color registration failure when implementing it from the control panel Error code 8F Registration Registration failed. See Troubleshooting chapter in User’s Guide. Sensor sensitivity adjustment failure when implementing auto color registration from the control panel Error code 9D Registration...
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Error code A1 Cover is Open Close the Front Cover. Front cover opened Step Cause Remedy Front cover interlock switch Check the sensor performance following the failure procedure described in “Maintenance mode 32”. If any problem occurs, replace the front cover interlock switch ASSY.
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Scanner unit failure Replace the FB unit. Main PCB failure Replace the main PCB ASSY. Error code A7 Machine Error Unplug machine, then call Brother. There is no registration in scanning color parameter data. Step Cause Remedy Main PCB failure Replace the main PCB ASSY.
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Error code AE Unable to Scan See Troubleshooting and routine maintenance chapter in User's Guide. FB unit home position sensor is not turned on. Step Cause Remedy Scanner unit failure Replace the FB unit. Drive PCB failure Replace the drive PCB. Scanner motor failure Replace the scanner motor.
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Error code B3 SCANNER ERROR Detection error of the scanning area on the left end * This error is indicated on the LCD in the maintenance mode. Step Cause Remedy Scanner unit failure Replace the FB unit. Main PCB failure Replace the main PCB ASSY.
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Error code B9 SCANNER ERROR Scanning light adjustment error is detected. * This error is indicated on the LCD in the maintenance mode. Step Cause Remedy Scanner unit failure Replace the FB unit. Main PCB failure Replace the main PCB ASSY. Error code BB SCANNER ERROR White level data error...
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Error code BF Unable to Scan. Document is too long for duplex scanning. Press Stop key. Longer document than the specified size is detected in duplex scanning. Step Cause Remedy Document front actuator 2 not Correct smooth operation and that there is no operating smoothly or catching of the document front actuator 2.
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Error code C4 (MFC-9440CN/ 9450CDN only) Tray 2 Error Take out Tray 2 and push it back in firmly. Tray 2 (LT) plate-up function malfunction User Check - Check if Tray 2 (LT) is installed into the machine. Step Cause Remedy Connection failure between Replace the connector.
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Error code C8 Out of Memory Secure Print Data is full. Press Cancel and delete the previously stored data. RAM area for secure data full User Check - Delete the stored data. Step Cause Remedy Main PCB failure Replace the main PCB ASSY. Error code CA (MFC-9440CN/ 9450CDN only) Unusable Device Remove the Device.
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Error code CC No Fuser Unit Install the Fuser Unit. Fuser unit is not installed into the machine. User Check - Check if the fuser unit is installed into the machine. Step Cause Remedy Harness connection failure Check the harness connection between the fuser between fuser unit connector unit connector and engine PCB, and reconnect it.
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Electrodes location of the drum unit Fig. 1-1 Electrodes location of the front door unit ASSY Fig. 1-2 <How to clean the electrodes> Turn off the power switch. Unplug the machine from the AC power outlet, and leave the machine for a few minutes.
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Error code CE No Waste Toner Install the Waste Toner Box. Refer to the User’s Guide for how to install. Waste toner box is not installed into the machine. User Check - Check if the waste toner box is installed into the machine correctly. Step Cause Remedy...
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Error code E0 Print Unable E0 Program error. (An error occurred in the ROM checksum.) Step Cause Remedy Firmware update failure Upload the latest firmware. Main PCB failure Replace the main PCB ASSY. Error code E1 Print Unable E1 Program error. Step Cause Remedy...
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Error code EF Print Unable EF Turn the power off and then back on again. Incorrect print coverage value User Check - Turn the power off. Turn it on again after a while. Step Cause Remedy Main PCB failure Replace the main PCB ASSY. Error code F8 Machine Error F8 Battery connection failure...
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...
Paper Jam Paper jam in the paper tray and front cover Step Cause Check Remedy Result Belt unit Does the belt unit move Replace the belt unit. malfunction correctly? Registration front Does the registration front Re-assemble the actuator move actuator move smoothly? registration front actuator.
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 Remedy Result...
IMAGE DEFECT TROUBLESHOOTING Image Defect Examples Light on the One color is light Faulty registration Dark whole page Poor fixing Completely blank Image distortion All one color Dirt on the back of paper Vertical streaks Vertical streaks in a Horizontal stripes light background White vertical streaks on one color image White horizontal stripes on one color image Faint print White spots on one color image One color spots or dirt One color band Downward fogging Horizontal lines Ghost Color Fogging of solid color misregistration Unstable color Hollow print Dirt on the bottom White vertical lines density end of paper appear on image Fig.
Diameter of Rollers Image defects which appear periodically may be caused by failure of a roller. Specify the cause referring to the diameters of the rollers or pitch which appears in the image as shown in the table below. Parts name Diameter The pitch which appears in the image...
One color is light User Check - Check the machine’s environment. High temperature and high humidity conditions can cause this problem. - Replace the toner cartridge or drum unit with a new one. - Implement calibration from the control panel. Step Cause Check...
Faulty registration Step Cause Check Remedy Result Registration rear Does the registration rear Re-assemble the actuator operating actuator move smoothly? registration rear actuator. smoothly or is it catching. Engine PCB Is the problem solved after Replace the engine PCB failure replacing the engine PCB ASSY.
Poor fixing User Check - Replace the drum unit with a new one. - Replace the toner cartridge with a new one. - Implement calibration from the control panel. Step Cause Check Remedy Result Fuser unit failure Is the problem solved Replace the fuser unit.
Image distortion Step Cause Check Remedy Result Laser unit not Is the laser unit Assemble the laser unit assembled assembled into the correctly and secure the correctly machine securely? screw. (Check if there is no gap.) Incorrect radiation Is the problem solved after Replace the laser unit.
Dirt on the back of paper User Check - If there is dirt on the back of the paper in duplex printing, the back of the paper tray may be dirty. Clean the back of the paper tray. Step Cause Check Remedy Result...
Vertical streaks in a light background User Check - Clean the inside of the machine and the corona wire in the drum unit. - Replace the toner cartridge with a new one. Step Cause Check Remedy Result Drum unit failure Is the problem solved after Replace the drum unit.
White vertical streaks on one color image User Check - Clean the scanner windows of the appropriate color with a soft lint-free cloth. - Check if there is no dust in the gap between the toner cartridge and drum frame. - Replace the toner cartridge with a new one.
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 with a soft cloth. Step Cause Check Remedy Result Laser unit failure Is the problem solved after Replace the laser unit.
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Note: If you have print quality problems, clean the drum unit as follows: (1) Pull the drum unit out of the machine and take all the toner cartridges out of the drum unit. (2) Turn the drum unit over by holding the handle. Make sure that the drum unit gears “1” are on the left hand.
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(4) Turn the drum unit gear to the direction of the arrow as shown in the figure below by hand while looking at the surface of the drum “1”. “1” Fig. 1-7 (5) When you have found the mark on the drum that matches the print sample, wipe the surface of the drum gently with a cotton swab until the dust or paper powder on the surface comes off.
One color spots or dirt User Check - Damp (wet) paper might be used. Try changing to freshly unopened paper. - Toner may be empty. Replace the toner cartridge with a new one. - If the same problem occurs after printing a few pages, the adhesive of a label or the like, paper powder or dirt may be attached on the surface of the exposure drum.
Downward fogging of solid color User Check - Toner may be empty. Replace the toner cartridge with a new one. Step Cause Check Remedy Result Transfer HVPS Is the problem solved after Replace the transfer PCB failure replacing the transfer HVPS PCB ASSY.
Color misregistration User Check - Implement the auto color registration by the panel operation. - Replace the belt unit with a new one. - Replace the drum unit with a new one. - Replace the waste toner box with a new one. Step Cause Check...
Unstable color density User Check - Replace the belt unit with a new one. - Replace the drum unit with a new one. - Replace the waste toner box with a new one. - Replace the toner cartridge with a new one. Step Cause Check...
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Dirt on the bottom end of paper Step Cause Check Remedy Result Dirt on the bottom Is the bottom of drum unit Wipe the dirt with a dry of drum unit dirty? cloth as shown in Fig. 1-10. Dirt on base shaft Is the base shaft dirty? Wipe the dirt with a dry cloth as shown in Fig.
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White vertical lines appear on image User Check - Replace the toner cartridge or drum unit with a new one. Step Cause Check Remedy Result Dirt on fuser unit Is the heat roller of the Clean the heat roller of the fuser unit dirty? fuser unit.
“Maintenance mode 09”.) Machine For Macintosh, has the Verify the product ID. connection product ID been verified? Product ID: DCP-9040CN: 01C9* DCP-9042CDN: 020C* MFC-9440CN: 01CA* MFC-9450CDN: 020D* * Hexadecimal USB host relay Is the problem solved Replace the USB host...
NETWORK PROBLEMS User Check - Check the descriptions in the network user’s guide. - Try resetting the factory settings. Step Cause Check Remedy Result Main PCB failure Is the problem solved Replace the main PCB after replacing the main ASSY. PCB ASSY? 1-61 Confidential...
TROUBLESHOOTING OF THE COMMUNICATIONS ERROR 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. Definition of error codes on the communications list (1) Calling Code 1...
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(3) Communication code compatibility [checking the NSF and DIS] Code 2 Causes Remote terminal only with V.29 capability in 2400 or 4800 bps transmission. Remote terminal not ready for polling. Remote terminal not equipped with password function or its password switch OFF. Remote terminal not equipped with or not ready for confidential mailbox function.
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(6) ID checking Code 1 Code 2 Causes Password plus “lower 4 digits of telephone number” not coincident. Password not correct. Polling ID not correct. (7) DCN reception Code 1 Code 2 Causes DCN received. (8) TCF transmission/reception Code 1 Code 2 Causes Fallback impossible.
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(10) Video signal reception Code 1 Code 2 Causes Error correction sequence not terminated even at the final transmission speed for fallback. Receive buffer empty. (5-second time-out) Receive buffer full during operation except receiving into memory. Decoding error continued on 500 lines or more. Decoding error continued for 10 seconds or more.
TROUBLESHOOTING OF THE CONTROL PANEL Nothing is displayed on the LCD. User Check - Verify if the power switch is turned off. - Pull out the power supply cord from the power outlet and leave it for 5 minutes or more. Then, insert it to the power outlet again and turn on the power supply.
The control panel does not work. Step Possible cause Check Remedy Result 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. Connection Are the main PCB and Reconnect the connector between main control panel PCB...
TROUBLESHOOTING OF FAX FUNCTIONS FAX can't send it. User Check - Verify that the telephone cord is securely inserted. Step Possible cause Check Remedy Result Dialing mode Does a dialing signal (PB Check the dialing mode Setting or DP) come out normally setting at customer's in each mode? again.
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Speed dialing and One-touch dialing can't be used. Step Possible cause Check Remedy Result Speed dialing Can a fax transmission Replace the main PCB keys or one-touch be made using the ASSY. dialing keys numeric keys? Dialing mode Does a dialing signal (PB Check the dialing mode Setting or DP) come out normally...
No bell ring. Step Possible cause Check Remedy Result Ring delay Change the ring delay Ring delay is set to “0”. 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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Speaker is silent during on-hook dialing. Step Possible cause Check Remedy Result Connection Are the main PCB and Reconnect the connector between main speaker connected properly. PCB and speaker properly? Speaker Is the problem solved Replace the Speaker. after replacing the speaker? Connection Are the main PCB and...
OTHERS PROBLEMS The machine is not turned on, or the LCD indication does not appear. User Check - Pull out the power supply cord from the power outlet and leave it for 5 minutes or more. Then, insert it to the power outlet again and turn on the power supply. Step Cause Check...
Pickup function of paper tray does not work. Step Cause Remedy Link lever not operating Make sure correct movemet of the link lever. smoothly or catching. Pickup roller holder ASSY not Make sure correct movement of the pickup roller operating smoothly or holder ASSY.
CHAPTER 2 PERIODICAL MAINTENANCE 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. - When opening the front cover or back cover to access any parts inside the machine, never touch the shaded parts shown in the following figures.
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Life of Drum Unit <How to read the drum unit life> - It initially indicates 100% and gradually decreases. - It indicates 0% when the “Drum End Soon” appears on the LCD. - It stays at 0% even if further printing is done. <How to calculate the drum unit life>...
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Life of Belt Unit The belt unit life is decided according to the page counter based on the actual “number of belt rotations”. <How to calculate the page counter> The page counter based on the number of belt rotations is calculated as follows: Page counter based on the number of belt rotations = (Number of belt rotations for the first page printed + (Number of belt rotations per one page for the second or later page printed x (Number of pages in continuous printing –1))) / 1.25...
PERIODICAL REPLACEMENT PARTS Periodical Replacement Parts Periodical replacement parts are the parts to be replaced periodically to maintain product quality. These parts would affect the product quality if they loose their functionality even if they do not appear to be damaged or there is no change in their appearance. The periodical replacement parts listed in the table below should be replaced according to the service life.
Procedures to Replace Periodical Replacement Parts 2.2.1 Fuser Unit & Toner Filter Frame ASSY <Uninstalling Procedure> (1) Open the Back cover. <Back side> Back cover Fig. 2-1 (2) Remove the two pan B M4x14 Taptite screws, and then pull out the Fuser unit to the back of the machine.
(3) Remove the Toner filter frame ASSY from the Paper eject ASSY DX/SX. Paper eject ASSY DX/SX Toner filter frame ASSY Fig. 2-3 <Installing Procedure> (1) Assemble the Toner filter frame ASSY onto the Paper eject ASSY DX/SX. Paper eject ASSY DX/SX Toner filter frame ASSY Fig.
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(2) Put the Fuser unit into the machine and fix it with the two pan B M4x14 Taptite screws. Tightening Note: When tightening the screw, slowly turn it counterclockwise (in the direction to loosen the screw) with your hand until you feel that the screw is a little dropped in the hole. Then, slightly turn it clockwise (in the direction to tighten the screw) with your hand and tighten it according to the specified torque with a screwdriver.
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(3) Close the Back cover. <Back side> Back cover Fig. 2-7 (4) After replacing the Fuser unit, reset the counter. (Refer to “2.3 Parts Life Reset Function” in this chapter.) Confidential...
2.2.2 Laser Unit <Uninstalling Procedure> (1) Press the Front cover release button, and open the Front door unit ASSY. Front cover release button Front door unit ASSY Fig. 2-8 (2) Open the Back cover. <Back side> Back cover Fig. 2-9 Confidential...
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(3) Remove the two cup S M3x8 Taptite screws, and then remove the Back cover upper. Back cover upper Taptite, cup S M3x8 <Back side> Fig. 2-10 (4) Remove the two cup S M3x8 Taptite screws, and then remove the Back cover ASSY. Hook Taptite, cup S M3x8 Back cover ASSY...
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(5) Remove the cup S M3x8 Taptite screw and three cup B M4x12 Taptite screws. (6) Release the three Hooks on the bottom and the two hooks on the back side, and then remove the Side cover L ASSY. Note: When removing the Side cover L ASSY, pay attention to the Wire support rope.
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(8) Remove the two cup B M4x12 Taptite screws and two cup S M4x8 Taptite screws. (9) Release the one Hook on the front side, two Hooks on the bottom and the two Hooks on the back side, and then remove the Side cover R ASSY. Note: When removing the Side cover R ASSY, be careful not to damage section “A”.
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(11) Remove the cup S M3x6 Taptite screw, and then remove the FG harness ADF from the Driver PCB shield. (12) Remove the cup S M3x6 Taptite screw, and then remove the FG harness FB from the Driver PCB shield. Document scanner unit Driver PCB ASSY Driver PCB shield...
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(14) Open the Document scanner unit, and then release the Hooks of the Pull arms L and R from the joint of the Document scanner unit. Document scanner unit Hook Hook Pull arm R Pull arm L Joint cover ASSY Fig.
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(16) Disconnect the four Connectors (CN3, CN7, CN10, CN19) from the Main PCB ASSY. (CN3, CN7: MFC-9440CN/ 9450CDN only) Joint cover ASSY Speaker holder CN10 CN19 Main PCB ASSY <Left side> Fig. 2-20 (17) Remove the cup S M3x8 Taptite screw from the Joint sub cover. (18) Release the two Hooks to remove the Joint sub cover from the Joint cover ASSY.
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(19) Remove the three cup S M3x6 Taptite screws from the front side of the Joint cover ASSY, and remove two cup S M3x8 Taptite screws from the left side of the Joint cover ASSY. Joint cover ASSY Taptite, cup S M3x6 <Left side>...
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(21) Remove the six cup S M4x8 Taptite screws from the top side of the Joint cover ASSY. (22) Release the Pin to remove the Joint cover ASSY from the Frame unit. Taptite, cup S M4x8 Taptite, cup S M4x8 Joint cover ASSY Frame unit <Front>...
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(24) Remove the nine cup S M3x6 Taptite screws (8 pieces from the top and 1 piece from the front side), and then remove the Scanner cover. Scanner cover Taptite, cup S M3x6 Taptite, cup S M3x6 Taptite, cup S M3x6 Taptite, cup S M3x6 Frame unit <Front>...
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(26) Remove the seven cup S M3x6 SR Taptite screws, and then remove the four Scanner holders and Laser unit. Scanner holder Taptite, cup S M3x6 SR Taptite, cup S M3x6 SR Laser unit Taptite, cup S M3x6 SR Taptite, cup S M3x6 SR Scanner holder Scanner holder Frame unit...
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(2) Connect the two flat cables (CN1, CN4) and one connector (CN8) into the Laser unit. Note: When connecting the flat cable(s), do not insert it at an angle. After insertion, check that the cable is not at an angle. Laser unit <Front>...
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(4) Assemble the two Hook slopes with the four cup S M3x8 Taptite screws. Hook slope Taptite, cup S M3x8 Hook slope <Front> Taptite, cup S M3x8 Frame unit Fig. 2-32 (5) Catch the Pin. Then, put the Joint cover ASSY onto the Frame unit and secure the six cup S M4x8 Taptite screws onto the top of the cover.
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(6) Secure the three cup S M3x6 Taptite screws onto the back side of the Joint cover ASSY. Joint cover ASSY Taptite, cup S M3x6 <Back side> Fig. 2-34 (7) Secure the three cup S M3x6 Taptite screws onto the front side of the Joint cover ASSY. (8) Secure the two cup S M3x8 Taptite screws onto the left side of the Joint cover ASSY.
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(9) Catch the Hooks of the Joint sub cover with the Joint cover ASSY and fix the Joint sub cover with the one cup S M3x8 Taptite screw. Joint cover ASSY Hooks Joint sub cover Taptite, cup S M3x8 Fig. 2-36 (10) Connect the four Connectors (CN3, CN7, CN10, CN19) into the Main PCB ASSY.
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(11) Catch the two Hooks of the Document scanner unit with the Joint cover ASSY while putting the Flat cable of the Document scanner unit into the hole on the Joint cover ASSY. Document scanner unit Hook Joint cover ASSY Flat cable Hook Hole...
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(13) Assemble the FG harness FB with the one cup S M3x6 Taptite screw. (14) Assemble the FG harness ADF with the one cup S M3x6 Taptite screw. Note: Make sure to place the Harness of the connector CN1 and CN2 on the back of the Driver PCB shield.
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(16) Connect the two Connectors (CN14, CN21) and Flat cable (CN18) into the Main PCB ASSY. Note: When connecting the Flat cable(s), do not insert it at an angle. After insertion, check that the cable is not at an angle. Document scanner unit Flat cable (CN18) CN14...
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(18) Assemble the Side plate LB with the three cup S M3x6 Taptite screws, one cup B M4x12 Taptite screw and one cup S M4x8 Taptite screw. Taptite, cup S M4x8 Side plate LB Taptite, cup B M4x12 (Tightening torque: 1.20 ±0.1 N m) Taptite, cup S M3x6 <Left side>...
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(20) Catch the Hooks of the Back cover ASSY and assemble it with the two cup S M3x8 Taptite screws. Hook Taptite, cup S M3x8 Back cover ASSY Hook Taptite, cup S M3x8 <Back side> Fig. 2-46 (21) Assemble the Back cover upper with the two cup S M3x8 Taptite screws. Back cover upper Taptite, cup S M3x8 <Back side>...
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(22) Close the Back cover. < Back side Back cover Fig. 2-48 (23) Close the Front door unit ASSY. Front door unit ASSY Fig. 2-49 (24) After replacing the Laser unit, reset the counter. (Refer to “2.3 Parts Life Reset Function” in this chapter.) 2-29 Confidential...
2.2.3 Paper Feeding Kit (PF Kit1, PF Kit2) <Uninstalling Procedure> (1) Pull out the Paper tray, and remove the paper from the Paper tray. Paper tray Fig. 2-50 (2) Release the two Hooks of the Separation pad ASSY, and then lift up the Separation pad ASSY.
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(3) Push both sides of the Separation pad ASSY inwards to release the Pins and remove the Separation pad ASSY from the Paper tray. (4) Remove the Separation pad spring from the Paper tray. Separation pad ASSY <Front> Paper tray Separation pad spring Fig.
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(7) Slide the Roller holder ASSY to the direction of the arrows 7a, 7b and 7c in this order and remove it. <Upper side> <Front> Paper feed frame unit Roller holder ASSY Fig. 2-54 <Installing Procedure> (1) Assemble the Roller holder ASSY onto the Paper feed frame unit in the order of the arrow 1a, 1b and 1c.
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(2) Turn the Roller holder ASSY to the direction of the arrow 2a, push the Lift arm to the direction of the arrow 2b and fix the Boss of the Roller holder ASSY into the hole of the Lift arm. Note: Check whether the Lift arm moves by pushing the Roller holder ASSY upwards.
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(5) Push both sides of the Separation pad ASSY inwards and put its Pins into the Paper tray. Note: Check that the Separation pad ASSY pivots up and down smoothly by pushing it gently. <Front> Separation pad ASSY Paper tray Fig.
2.2.4 MP Paper Feeding Kit (PF kit MP) <Uninstalling Procedure> (1) Press the Front cover release button, and open the Front door unit ASSY. (2) Release the two Hooks to remove the MP feed frame cover from the Front door unit ASSY.
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(4) Lift up the Hook and release it in the direction of arrow 4a. Slide the Holder bush MP in the direction of arrow 4b, and then remove the Holder bush MP from the shaft of the MP roller holder ASSY. MP roller holder ASSY Holder bush MP Front door unit ASSY...
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(6) Remove the Separation pad ASSY MP from the Front door unit ASSY. (7) Remove the Separation pad spring MP. Note: Be careful not to loose the Separation pad spring MP. Separation pad spring MP Front door unit ASSY <Front> Separation pad ASSY MP Fig.
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(3) Put the Holder shaft into the hole while holding the Separation pad ASSY MP. Slide the MP roller holder ASSY to the direction of the arrow 3b to re-assemble it. MP roller holder ASSY Separation pad ASSY MP Hole Holder shaft <Front>...
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(5) Assemble the MP lift arm 2 with aligning it with the three Bosses provided on the Front door unit ASSY. Note: When assembling the MP lift arm 2, make sure that the shaft of the MP roller holder ASSY is put into the hole on the MP lift arm 2.
Parts Life Reset Function This function is provided for service personnel in order to reset the counter of each periodical replacement part and count the number of replacement times when replacing the periodical replacement parts. <Operating Procedure> (1) Press the 3 and 9 buttons at the same time in the ready status.
CHAPTER 3 DISASSEMBLY AND ASSEMBLY SAFETY PRECAUTIONS To avoid creating secondary problems by mishandling, follow the warnings and precautions below during maintenance work. HOT SURFACE Some parts inside the machine are extremely hot immediately after the machine is used. When opening the front cover or back cover to access any parts inside the machine, never touch the shaded parts shown in the following figures.
PACKING Accessory bag Quick setup guide Toner cartridge Option carton C, M, Y, K Carton cord box Panel Pad L Pad R Machine Pad base Pad base Carton pad Carton bottom Carton joint Carton Carton joint Confidential...
SCREW TORQUE LIST Tightening Note: When tightening any of the screws shaded in the table below, slowly turn it counterclockwise (in the direction to loosen the screw) with your hand until you feel that the screw is a little dropped in the hole. Then, slightly turn it clockwise (in the direction to tighten the screw) with your hand and tighten it according to the specified torque with a screwdriver.
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Tightening torque Location of screw Screw type Q'ty N m (kgf • cm) 0.50 ±0.1 (5 ±1) Drive frame ASSY Taptite, cup B M3x10 0.70 ±0.1 (7 ±1) ADF motor Taptite, bind S M3x6 0.80 ±0.1 (8 ±1) Driver PCB ASSY Taptite, cup S M3x6 0.80 ±0.1 (8 ±1) FG harness FB...
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Tightening torque Location of screw Screw type Q'ty N m (kgf • cm) 0.70 ±0.1 (7 ±1) Hook slope Taptite, cup S M3x8 0.90 ±0.1 (9 ±1) Scanner cover Taptite, cup S M3x6 (Top side) 0.80 ±0.1 (8 ±1) (Front side) 0.80 ±0.1 (8 ±1) Laser unit Taptite, cup S M3x6 SR...
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LT paper tray Tightening torque Location of screw Screw type Q'ty N m (kgf • cm) 0.70 ±0.1 (7 ±1) Pinch roller holder cover LT Taptite, bind B M4x10 0.80 ±0.1 (8 ±1) LT cover rear Shoulder screw 0.80 ±0.1 (8 ±1) LT cover left Shoulder screw 0.80 ±0.1 (8 ±1)
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MP paper guide ASSY * Cross section of the MP paper guide ASSY 6 places (3 place x2) PG2: PG-661(W) (2mm dia. ball) 60 places (4 place x15) Gear 46/55 Gear 24 LT A spring is hung, installation part 2 places Clutch gear 45 Gear 45/40 Gear 32 LT...
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28 places (4 place x7) In case of LT frame L 2mm dia. ball x4 PG2: PG-661(W) (2mm dia. ball) F roller shaft LT F roller shaft LT 2 places LT frame R BG2: BG-MS (2mm dia. ball) F roller shaft LT F roller shaft LT 2 places LT frame L...
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Paper feed drive shaft LT ASSY 4 places 4 places Bush AC LT LT frame L GE2: GE-676 (2mm dia. ball) PG2: PG-661(W) (2mm dia. ball) In case of 2mm dia. ball x2 Clutch gear 45 Clutch gear 45 2 places Clutch arm Fittings shaft PG2: PG-661(W) (2mm dia.
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Extension guide R In case of 2mm dia. ball x4 Extension guide L LT paper tray EM2: MOLYKOTE EM-D110 (2mm dia. ball) Side guide R Side guide R LT paper tray PG2: PG-661(W) (2mm dia. ball) 3-12 Confidential...
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<Layout view> Location of PF drive gears <Name of Gears> LR0316001 Gear Z35M75 LR0311001 PF drive gear Z23M75 LR0315001 Gear Z3218M0875 LR0326001 PU drive gear Z20M08 LR0314001 Gear Z3717M08 LR0320001 PU sector gear Z4648M08 LR0324001 Torque spring for PU sector Location of parts after removing the parts shown as 37 to 43 in the figure above <Name of Gears>...
Develop release sensor PCB ASSY Hook Hook Side frame L Develop release sensor PCB ASSY Develop gear plate ASSY Clamp Clamp Engine PCB ASSY Front Toner sensor PCB ASSY K, Y, M, C (TE/NEW) Toner sensor PCB Hooks Hook ASSY M (TE/NEW) Toner sensor PCB ASSY Y (TE/NEW) Toner sensor PCB...
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Laser unit Laser unit Front Hole Hole Develop gear plate ASSY Develop gear plate ASSY Side frame L Main PCB ASSY Laser unit Hole Hole Clamp Clamp Develop press drive L ASSY Clamp Hooks Release drive holder Front Engine PCB ASSY Side frame L 3-21 Confidential...
PS PCB unit Back Front Power Inlet socket Harness holder 16AWG Ground terminal Hooks Screw pan (S/P washer) M4x8 Frame R Power supply switch Power Inlet socket PS PCB unit NCU unit (MFC-9440CN/ 9450CDN only) NCU unit Joint cover ASSY Hook Hole NCU harness ASSY...
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Paper feed/belt cleaner motor ASSY Front Hook Hook Drive frame unit ASSY Side frame L Engine PCB plate Paper feed/ belt cleaner motor ASSY Drum drive ASSY Hook Engine PCB ASSY Hook Hook Hook 3-24 Confidential...
Panel unit Panel unit Document scanner unit Hole Panel PCB ASSY Panel harness Harness holder Front Hook Main PCB ASSY Speaker ASSY Front Hook Core holder Core holder Hook Speaker Core holder Speaker ASSY Hook Speaker ASSY Speaker holder Hook Main PCB ASSY 3-26 Confidential...
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Preparation Prior to proceeding with the disassembly procedure, (1) Unplug - the AC cord, - the modular jack of the telephone line, - the USB cable, if connected, - the LAN cable, if connected, - the USB cable for PictBridge, if connected, and - the modular jack of the external telephone set if connected.
DISASSEMBLY PROCEDURE Paper Tray (1) Release the two Hooks of the Separation pad ASSY, and then lift up the Separation pad ASSY. Note: Be careful not to loose the Separation pad spring. Hook Separation pad ASSY <Front> Hook Paper tray Separation pad spring Fig.
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The following procedure is for DCP-9042CDN and MFC-9450CDN only. (4) Remove the two bind B M4x12 Taptite screws, and then remove the Tray cover ASSY. Taptite, bind B M4x12 <Top of paper tray> Tray cover ASSY Fig. 3-3 (5) Turn the paper tray upside down. (6) Release the two Hooks to remove the Paper guide DX ASSY.
DX feed ASSY (DCP-9042CDN/ MFC-9450CDN only) (1) Release the three Hooks to remove the DX hook ASSY. (2) Release the two Bosses to remove the DX feed ASSY. * Release the boss on the right hand side first. DX feed ASSY Boss Boss Hooks...
MP Cover ASSY/ MP Paper Guide ASSY (1) Open the MP cover ASSY. <Front> MP paper guide ASSY MP cover ASSY Fig. 3-6 (2) Release the two Bosses of the MP paper guide ASSY. <Front> Boss MP paper guide ASSY MP cover ASSY Boss Fig.
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(3) Lift up the MP paper guide ASSY align the MP paper guide ASSY with section “A” of the MP lower chute. Bend section “A” then, remove the MP paper guide ASSY. MP paper guide ASSY <Front> MP paper guide ASSY “A”...
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Assembling Note: When assembling the MP paper guide ASSY, note the assembling method referring to the figure below. Boss A Boss A MP paper guide ASSY MP paper guide ASSY Boss B Boss B Fig. 3-10 3-34 Confidential...
MP Lift Arm 2/ MP Roller Holder ASSY (1) Press the Front cover release button, and open the Front door unit ASSY. (2) Release the two Hooks to remove the MP feed frame cover from the Front door unit ASSY. Hooks MP feed frame cover Front door unit ASSY...
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(4) Release the Hook to slide the Holder bush MP in the direction of arrow 4a, and then remove the Holder bush MP from the shaft of the MP roller holder ASSY. MP roller holder ASSY Holder bush MP Front door unit ASSY <Front>...
(6) Remove the Separation pad ASSY MP from the Front door unit ASSY. (7) Remove the Separation pad spring MP. Note: Be careful not to loose the Separation pad spring MP. Separation pad spring MP Front door unit ASSY <Front> Separation pad ASSY MP Fig.
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(2) Remove the two pan B M4x14 Taptite screws, and then pull out the Fuser unit to the back of the machine. <Back side> Taptite, pan B M4x14 (Tightening torque: 1.20 ±0.1 N m) Fuser unit Taptite, pan B M4x14 (Tightening torque: 1.20 ±0.1 N m) Fig.
(3) Remove the Toner filter frame ASSY from the Paper eject ASSY DX/SX. Paper eject ASSY DX/SX Toner filter frame ASSY <Back side> Fig. 3-19 8.6 Back Cover Upper (1) Remove the two cup S M3x8 Taptite screws, and then remove the Back cover upper. Back cover upper Taptite, cup S M3x8 <Back side>...
8.7 Paper Eject ASSY DX/SX (1) Remove the bind B M3x10 Taptite screw, and then remove the Drive shaft holder. Drive shaft holder Paper eject ASSY DX/SX Taptite, bind B M3x10 <Back side> Fig. 3-21 (2) Release the Hook to remove the Fuser drive gear 18 from the shaft. Paper eject ASSY DX/SX <Back side>...
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(3) Remove the two cup B M4x12 Taptite screws and cup S M3x6 Taptite screw. (4) Disconnect the Connector. (5) Remove the Paper eject ASSY DX/SX. Taptite, cup S M3x6 Connector Taptite, cup B M4x12 (Tightening torque: 1.20 ±0.1 N m) Paper eject ASSY DX/SX <Back side>...
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Assembling Note: (1) Put the Drive shaft holder into the Shaft of the Frame unit. (2) Align the Hook and Pin of the Drive shaft holder with the hole on the Paper eject ASSY DX/SX while inclining the Drive shaft holder 10 degrees downwards. (3) Move the Drive shaft holder to the direction of the arrow 3 to align it with the screw hole of the Paper eject ASSY DX/SX, and secure the Drive shaft holder with the bind B M3x10 Taptite screw.
8.8 Back Cover ASSY (1) Turn the Cord holder 90 degrees and remove it from the Joint cover ASSY. Joint cover ASSY Cord holder <Back side> Fig. 3-26 (2) Remove the two cup S M3x8 Taptite screws, and then remove the Back cover ASSY. Hook Taptite, cup S M3x8 Back cover ASSY...
8.9 Paper Guide DX/ HV TR Top Cover (1) Release the two Bosses, and then remove the Paper guide DX from the Transfer HVPS PCB unit while lifting it up slightly. Note: When removing the Paper guide, be careful not to damage the two Ribs. Transfer HVPS PCB unit Boss Hook...
8.10 Transfer HVPS PCB Unit (1) Disconnect the four Connectors from the Electrode head. Transfer HVPS PCB unit Electrode head Connector <Back side> Fig. 3-30 (2) Disconnect the flat cable (CN1) and two connectors (CN5, CN8) from the Registration relay PCB unit.
(3) Remove the two cup S M3x6 Taptite screws, and then remove the Transfer HVPS PCB unit. <Back side> Transfer HVPS PCB unit Taptite, cup S M3x6 Taptite, cup S M3x6 Fig. 3-32 8.11 Registration-mark Sensor PCB ASSY 1, 2/ Density Sensor/ Registration Relay PCB ASSY/ Transfer HVPS PCB ASSY (1) Remove the bind B M3x8 Taptite screw, and then remove the Earth plate 3.
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(2) Remove the two bind B M3x8 Taptite screws, and then remove the Density shield plate 1. Taptite, bind B M3x8 Density shield plate 1 Transfer HVPS PCB unit Fig. 3-34 (3) Remove the cup S M3x6 Taptite screw, and then remove the Earth plate 2. Taptite, cup S M3x6 Earth plate 2 Transfer HVPS PCB unit...
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(4) Disconnect the Connector (CN3) of the Registration-mark sensor PCB ASSY 1. (5) Remove the bind B M3x8 Taptite screw, and then remove the Registration-mark sensor PCB ASSY 1 from the Density sensor holder. Taptite, bind B M3x8 Registration-mark sensor PCB ASSY 1 Connector Density sensor holder CN3 (Blue)
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(8) Disconnect the Connector (CN7), and remove the two bind B M3x8 Taptite screws, and then remove the Density sensor. Note: Do not touch the Variable resistor on the back of the Density sensor. Variable resistor Density sensor Taptite, bind B M3x8 Connector Registration relay PCB ASSY Transfer HVPS PCB unit...
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(10) Turn the Transfer HVPS PCB ASSY upside down. Remove the bind B M3x8 Taptite screw from the Registration relay PCB ASSY. (11) Remove the Registration relay PCB ASSY from the Transfer HVPS PCB unit. Taptite, bind B M3X8 <Bottom> Transfer HVPS PCB unit Registration relay PCB ASSY Fig.
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Assembling Note: When assembling the Registration relay PCB ASSY, put the section “A” of the Registration relay PCB ASSY into the section “B” of the Transfer HVPS PCB unit. “B” “A” Transfer HVPS PCB unit <Bottom> Registration relay PCB ASSY Fig.
8.12 Side Cover L ASSY (1) Remove the cup S M3x8 Taptite screw and three cup B M4x12 Taptite screws. (2) Release the three Hooks on the bottom and the two hooks on the back side, and then remove the Side cover L ASSY. Note: When removing the Side cover L ASSY, pay attention to the Wire support rope.
8.13 Side Plate LB (1) Remove the three cup S M3x6 Taptite screws, cup B M4x12 Taptite screw and cup S M4x8 Taptite screw, and then remove the Side plate LB. Taptite, cup S M4x8 Side plate LB Taptite, cup B M4x12 (Tightening torque: 1.20 ±0.1 N m) Taptite, cup S M3x6...
8.14 Drum Unit Fan (OPC) (1) Disconnect the Connector from the Engine PCB ASSY, and then remove the Drum unit fan (OPC). Drum unit fan (OPC) Label Connector Engine PCB ASSY <Left side> Fig. 3-46 Assembling Note: When assembling the Drum unit fan (OPC), place it so that the attached Label faces outwards. 3-54 Confidential...
8.15 Side Cover R ASSY (1) Remove the two cup B M4x12 Taptite screws and two cup S M4x8 Taptite screws. (2) Release the one Hook on the front side, two Hooks on the bottom and the two Hooks on the back side, and then remove the Side cover R ASSY.
8.16 Paper stopper (1) Open the Document scanner unit. (2) Open the Paper stopper and release the Pins on both sides. Document scanner unit Paper stopper Paper stopper Joint cover ASSY Fig. 3-48 (3) Turn the Paper stopper in the direction of arrow 3a and remove it from the Joint cover ASSY.
8.17 Driver PCB ASSY (1) Disconnect the four Connectors (CN1, CN2, CN3, CN5) from the Driver PCB ASSY. Document scanner unit Driver PCB ASSY <Left side> Fig. 3-50 (2) Remove the cup S M3x6 Taptite screw, and then remove the FG harness ADF. (3) Remove the cup S M3x6 Taptite screw, and then remove the FG harness FB.
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(5) Remove the two cup S M3x6 Taptite screws, and then remove the Driver PCB ASSY from the Driver PCB shield. Driver PCB ASSY Driver PCB shield Taptite, cup S M3x6 Taptite, cup S M3x6 Fig. 3-52 3-58 Confidential...
8.18 Document Scanner Unit (1) Disconnect the Connector (CN14) from the Main PCB ASSY. (2) Disconnect the Connector (CN21) and Flat cable (CN18) from the Main PCB ASSY. Note: - After disconnecting the flat cable(s), check that each cable is not damaged at its end or short-circuited.
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(4) Remove the Left and Right Pull arms and Pull arm springs from the Pull arm guide. <Pull arm spring R> Pull arm spring R Document scanner unit Pull arm L Pull arm spring L Pull arm R Pull arm guide Hook Pull arm guide <Pull arm spring L>...
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(6) Remove the two bind B M4x12 Taptite screws from the ADF unit. ADF unit Document scanner unit Taptite, bind B M4x12 Taptite, bind B M4x12 <Back side> Fig. 3-57 (7) Open the ADF unit. Push the Ferrite core of the ADF harness through the hole on the Document scanner unit while lifting up the ADF unit slightly.
8.19 ADF Unit (1) Turn the ADF unit upside down. (2) Remove the three cup B M3x10 Taptite screws, and then remove the Hinge ASSY L. (3) Remove the Hinge arm R from the Hinge base R. (4) Remove the three cup B M3x10 Taptite screws, and then remove Hinge base R. Taptite, cup B M3x10 Hinge ASSY L Hinge arm R...
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(7) Release the two Ratches and one Hook of the Gear cover from the back side of the ADF unit to remove it. Gear cover Ratch ADF unit Ratch Hook * Hook and Ratch positions of the back view of the ADF unit. ADF unit Hook Ratch...
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(8) Release the Rib from the ADF unit to remove the Separation roller shaft ASSY and Separation roller shaft bush. Separation roller shaft ASSY Separation roller shaft bush ADF unit Fig. 3-62 (9) Remove the two cup B M3x10 Taptite screws from the ADF front cover. (10) Release the two Pins and two Hooks to remove the ADF front cover from the ADF unit.
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(11) Remove the three cup B M3x10 Taptite screws, and then remove the ADF side cover. ADF unit ADF side cover Taptite, cup B M3x10 Fig. 3-64 (12) Remove the four cup B M3x10 Taptite screws from the Upper document chute. (13) Release the three Hooks on the bottom of the Upper document chute to remove it.
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(14) Remove the Separation rubber ASSY from the Upper document chute. Separation rubber ASSY “A” ADF plate spring “A” Hook Upper document chute Hooks Fig. 3-66 (15) Remove the Separation rubber from the ADF plate spring. Separation rubber ADF plate spring Fig.
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(16) Release the two Hooks to remove the Resin bush. (17) Remove the LF roller ASSY from the Lower document chute. LF roller ASSY Hooks Lower document chute Resin bush Fig. 3-68 (18) Release the two Hooks A to remove the Ejection roller ASSY from the Lower document chute.
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(20) Remove the Document front actuator from the Lower document chute. By lifting up 20a and slide the actuator left (20b) then right and outwards (20c). Document front actuator Hook Lower document chute Fig. 3-70 (21) Remove the Document rear actuator from the Lower document chute. By lifting up 21a and slide the actuator left (21b) then right and outwards (21c).
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(22) Push holders (22a) to release the ADF sensor PCB and lift the PCB from under the two Hooks of the Lower document chute. (23) Disconnect the ADF sensor harness ASSY from the ADF sensor PCB. ADF sensor PCB ADF sensor harness ASSY Hooks Lower document chute Hooks...
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(25) Remove the two cup B M3x10 Taptite screws from the Lower document chute. (26) Remove the cup S M3x6 Taptite screw and FG harness ADF from the Lower document chute. Note: Be careful not to bend the metal frame if the screw is tight. Taptite, cup B M3x10 Taptite, cup S M3x6 FG harness ADF...
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(27) Remove the two cup B M3x10 Taptite screws while lifting up the Lower document chute slightly. Then, remove the Drive frame ASSY. ADF motor Lower document chute Hook Hook Document cover sub ASSY Taptite, cup B M3x10 Drive frame ASSY Taptite, cup B M3x10 Lower document chute Fig.
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(28) Remove the bind S M3x6 Taptite screw from the Drive frame ASSY and then remove the ADF motor. Hook Drive frame ASSY ADF motor Taptite, bind S M3X6 Fig. 3-76 (29) Release the two Pins from the Document cover sub ASSY to remove the Document stopper.
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(30) Remove the Harness holder and ADF harness ASSY from the Lower document chute. Lower document chute Harness holder ADF harness ASSY Fig. 3-78 (31) Turn the Lower document chute upside down. (32) Release the two Pins of the Lower document chute to remove the Document hold ASSY and Document spring.
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(33) Only remove the Lower chute film from the Lower document chute if it is damaged and needs to be replaced with a new one. Lower chute film Lower document chute < Bottom> Fig. 3-80 3-74 Confidential...
8.20 Panel Unit (1) Release the eight Hooks to remove the Printed panel cover from the Document scanner unit. Document scanner unit Hooks Printed panel cover Hooks Hooks Fig. 3-81 (2) Remove the four cup B M3x10 Taptite screws from the top side of the Panel unit and cup B M3x10 Taptite screw from the bottom.
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(3) Gently lift up the Panel unit slightly and disconnect the Connector (CN2) from the Panel PCB ASSY. Panel unit Panel PCB ASSY Fig. 3-83 (4) Turn the Panel unit upside down and disconnect the Connector (CN3) from the Panel PCB ASSY.
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(5) Remove the Panel insulation sheet L and R. (6) Release the three Hooks to remove the Panel PCB ASSY from the Panel unit. (7) Release the Locks for the Connector (CN1) provided on the Panel PCB ASSY and disconnect the FC harness. Note: - After disconnecting the flat cable(s), check that each cable is not damaged at its end or short-circuited.
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(9) Remove the LCD protective film. (10) Release the two Hook A to remove the LCD cover and LCD holder from the Panel cover. Note: Be careful not to loose the LED guide. Hook LCD protective film Hook LCD cover LCD holder LED guide Panel cover...
8.21 NCU PCB ASSY (MFC-9440CN/ 9450CDN only) (1) Remove the four cup B M3x8 Taptite screws, and then remove the NCU cover from the Joint cover ASSY. Taptite, cup B M3x8 NCU cover Joint cover ASSY Fig. 3-89 (2) Remove the two bind B M4x12 Taptite screws from the NCU unit. Remove the Screw pan (S/P washer) M3.5x6, and then remove the FG harness NCU.
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(4) Remove the Screw pan (S/P washer) M3.5x6 from the NCU shield cover, and then remove the NCU shield plate. Screw pan (S/P washer) M3.5x6 NCU shield plate NCU shield cover Fig. 3-91 (5) Disconnect the NCU harness ASSY. (6) Remove the two cup S M3x6 Taptite screws from the NCU shield cover, and then remove the NCU PCB ASSY.
8.22 Joint Cover ASSY (1) Release the Hook (1a) to remove the Battery from the Joint cover ASSY. (2) Disconnect the connector from the Battery. Caution: - There is danger of explosion if the battery is incorrectly replaced. - Do not disassemble or recharge the battery. - Do not dispose of the battery in fire.
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(4) Remove the cup S M3x8 Taptite screw from the Joint sub cover. (5) Release the two Hooks to remove the Joint sub cover from the Joint cover ASSY. Joint cover ASSY Hooks Joint sub cover Taptite, cup S M3x8 Fig.
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(7) Remove the three cup S M3x6 Taptite screws from the front side of the Joint cover ASSY, and remove two cup S M3x8 Taptite screws from the left side. Joint cover ASSY Taptite, cup S M3x6 <Left side> Taptite, cup S M3x8 <Front>...
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(9) Remove the six cup S M4x8 Taptite screws from the top of the Joint cover ASSY, and then release the Pin to remove the Joint cover ASSY from the Frame unit. Taptite, cup S M4x8 Taptite, cup S M4x8 Joint cover ASSY <Front>...
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(13) Release the Hook to remove the Speaker hold spring from the Speaker holder. (14) Remove the Speaker ASSY from the Speaker holder. Hook Speaker hold spring Speaker ASSY Speaker holder Fig. 3-101 (15) Remove the three bind B M3x8 Taptite screws, and then remove the Top cover USB front ASSY.
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(16) Remove the three bind B M3x8 Taptite screws, and then remove the USB holder and USB host relay PCB ASSY (MFC-9440CN/ 9450CDN only). Taptite, bind B 3x8 Taptite, bind B 3x8 USB holder USB host relay PCB ASSY (MFC-9440CN/ 9450CDN only) <Bottom>...
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(18) Release the Hook 1 (18a) to remove the Paper stopper guide from the Paper chute. Hook 2 Paper stopper guide Hook 1 Paper chute Hook 3 <Bottom> Fig. 3-105 (19) Remove the two cup B M3x8 Taptite screws, and then remove the Paper chute from the Joint cover ASSY.
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(20) Remove the two cup B M3x6 Taptite screws, and then remove the Stack lever holder L, R from the Joint cover ASSY. Paper stack lever Taptite, cup B M3x6 Stack lever holder L Paper stack lever Stack lever holder R Joint cover ASSY <Bottom>...
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(23) Remove the bind B M3x8 Taptite screw, and then remove the Earth spring from the Joint cover ASSY. (24) Only if required and replacing with a new one remove the Antistatic brush from the Joint cover ASSY. Taptite, bind B M3x8 Earth spring Antistatic brush Joint cover ASSY...
8.23 Roller Holder ASSY (1) Push the Lift arm to the direction of the arrow 1a and release the boss of the Roller holder ASSY. Then, turn the Roller holder ASSY to the direction of the arrow 1b. Paper feed frame unit Lift arm Roller holder ASSY Boss...
8.24 Paper Feed Frame Unit/ T1 PE/Edge Sensor PCB ASSY (1) Disconnect the three connectors (CN1, CN10, CN11) from Engine PCB ASSY. Engine PCB ASSY CN10 CN11 Fig. 3-112 (2) Close the Front door unit ASSY. Remove the cup S M3x6 Taptite screw and two bind B M3x10 Taptite screws.
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(4) Release the two Hooks to remove the PF CR harness holder. Hook Hook PF CR harness holder <Front> Fig. 3-114 (5) Remove the Harness from the PF CR harness holder. Harness PF CR harness holder Fig. 3-115 3-92 Confidential...
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(6) Remove the five bind B M3x8 Taptite screws, and then remove the PF plate from the Paper feed frame. Taptite, bind B M3X8 Taptite, bind B M3X8 Taptite, bind B M3X8 PF plate Paper feed frame Fig. 3-116 (7) Release the Hook of the Separation roller bush to remove it. Then, remove the Separation roller drive shaft.
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(8) Remove the Edge actuator and PE actuator, and remove the Edge actuator spring. Edge actuator Edge actuator spring PE actuator Paper feed frame <Upper side> Fig. 3-118 (9) Release the three Hooks to remove the T1 PE/edge sensor PCB ASSY. T1 PE/edge sensor PCB ASSY Hook Hook...
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Assembling Note: When assembling the Paper feed frame unit, make sure to follow the procedure described below. (1) Put the belt cleaner release sensor harness and belt cleaner release solenoid harness through the hole on the paper feed frame. (2) Put the two harnesses above and T1 PE/edge sensor harness through the PF CR harness holder and put them out of the hole on the Side frame L.
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(4) Assemble the Lift arm, Feed roller shaft TR and Separation roller drive shaft of the Paper feed frame unit following the procedure described below. <Assembling the Lift arm> Implement the operations below while holding the status described in Step (3). 1) When pushing up the Roller holder ASSY with your hand, the end (section “A”) of the Lift arm goes down.
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<Assembling the Feed roller shaft TR> While moving the Paper feed frame unit to the left hand side, turn the Gear to align the section “C” with the Feed roller shaft TR and put the shaft into the section “C”. Gear Paper feed frame unit <Left side>...
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(5) Check the engagement of each roller and move the Paper feed frame unit to the left hand side of the main body until it stops to assemble it. <Left side> Side frame L Paper feed frame unit <Front> Fig. 3-125 (6) Make sure that there is no looseness of the harness.
8.25 Belt Cleaner Release Sensor PCB ASSY (1) Release the two Hooks to remove the Belt cleaner release ASSY from the Middle plate. Middle plate <Front> Hook Hook Belt cleaner release ASSY Fig. 3-127 (2) Turn the Belt cleaner release ASSY upside down. Remove the bind B M3x8 Taptite screw, and then remove the SOL PCB sheet and Belt cleaner release sensor PCB ASSY.
(3) Disconnect the Connector from the Belt cleaner release sensor PCB ASSY. Connector Belt cleaner release sensor PCB ASSY Fig. 3-129 8.26 THM/HUM Sensor Holder ASSY (1) Disconnect the Connector (CN35) from the Engine PCB ASSY. Engine PCB ASSY CN35 Fig.
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(2) Remove the one cup S M3x6 Taptite screw, and then remove the THM/HUM ground plate. (3) Remove the four cup S M3x6 Taptite screws. (4) Release the two Hooks to remove the THM/HUM sensor holder ASSY. Frame unit Hook THM/HUM sensor holder ASSY Taptite, cup S M3x6...
8.27 Release Rack (1) Remove the Release rack spring from the Hook. Frame unit Hook Release rack spring <Left side> Fig. 3-132 (2) Remove the cup B M3x8 Taptite screw, and then remove the Release rack plate from the Release rack. (3) Remove the Release rack spring from the Release rack plate.
8.28 Front Door Unit ASSY (1) Remove the cup S M3x6 Taptite screw, and then remove the Front door unit earth. Frame unit Taptite, cup S M3x6 Front door unit earth <Left side> Front door unit ASSY Fig. 3-134 (2) Disconnect the six connectors (CN2, CN3, CN4, CN7, CN8, CN9) from the Engine PCB ASSY.
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(3) Remove the Shoulder screw fixing the Wire support rope, and then release the Wire support rope from the Shaft. Shaft Wire support rope Shoulder screw Frame unit Front door unit ASSY <Right side> Fig. 3-136 (4) Remove the Collar 3 from the Hinge shaft L, and then remove the Hinge shaft L from the Hinge plate L.
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(5) Remove the Collar 3 from the Hinge shaft R, and then remove the Hinge shaft R from the Hinge plate R. (6) Remove the Front door unit ASSY from Frame unit. Frame unit Front door unit ASSY Collar 3 Hinge plate R Hinge shaft R <Front>...
Assembling Note: - When assembling the Front door unit ASSY onto the Hinge on the main body, make sure to align the Front door unit ASSY with the Hinge as shown in the figure below. Frame unit Hinge Front door unit ASSY <Front>...
8.30 Front Door Sub (1) Remove the five cup B M4x10 Taptite screws and one cup B M3x8 Taptite screw, and then remove the Front door sub. Taptite, cup B M4x10 Taptite, cup B M4x10 Front door unit ASSY Taptite, cup B M4x10 Taptite, cup B M3x8 <Left side>...
8.31 EL Electrode Spring L/R (1) Remove the two bind B M3x8 Taptite screws, and then remove the EL electrode spring cover ASSY. EL electrode spring cover ASSY Taptite, bind B M3X8 Front door unit ASSY Fig. 3-143 (2) Remove the two bind B M3x8 Taptite screws, and then remove the EL spring harness ASSY (white, red) and EL electrode spring L/R.
8.32 Hook Cover/ Front Cover Release Button/ Button Spring/ Front Door Main (1) Remove the two cup B M4x10 Taptite screws. Taptite, cup B M4x10 Taptite, cup B M4x10 Front door unit ASSY Front door main Fig. 3-145 (2) Remove the two cup B M4x10 Taptite screws. (3) Release the three Hooks to remove the Hook cover from the Front door unit ASSY.
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(4) Remove the Front cover release button and Button spring from the Hook cover. Front cover release button Front cover release button Button spring Button spring <Left side> Hooked Hooked Hook cover <Right side> Fig. 3-147 (5) Release the two Hooks to remove the Front door Main from the Front door unit ASSY. Front door unit ASSY Front door main Hooks...
8.33 Hook Shaft/ Hook/ Hook Spring Remove the Hook shaft. Hook shaft MP unit ASSY <Left side> Fig. 3-149 (2) Remove the Hook and Hook spring L from the MP unit ASSY. (3) Remove the Hook and Hook spring R from the MP unit ASSY in the same way. Hook Hook spring L <Left side>...
8.34 Engine PCB ASSY (1) Disconnect all the connectors from the Engine PCB ASSY. Note: - After disconnecting the flat cable(s), check that each cable is not damaged at its end or short-circuited. - When connecting the flat cable(s), do not insert it at an angle. After insertion, check that the cable is not at an angle.
8.35 Main PCB ASSY/ Ground Plate/ Ground Spring Plate (1) Remove the cup S M3x6 Taptite screw and bind B M4x12 Taptite screw, and then remove the Ground plate. (2) Remove the two cup S M3x6 Taptite screws, and then remove the Ground spring plate. Ground spring plate Taptite, cup S M3x6 Frame unit...
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(4) Remove the cup S M3x6 Taptite screw, and then remove the Main PCB ASSY as shown by arrows 4a and 4b. Main PCB ASSY Frame unit Taptite, cup S M3x6 <Left side> Fig. 3-155 3-114 Confidential...
8.36 Waste Toner Near/Full Sensor ASSY (1) Move the Positioning pin 1a as shown, and slide the Hooks to the direction of the arrow 1b, and then remove the Waste toner sensor holder from the Middle plate. Waste toner sensor holder Middle plate <Left side>...
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(3) Release the three Hooks of each Waste toner sensor to remove the two Waste toner sensors from the Waste toner sensor holder. Waste toner sensor <A view> Hook Waste toner sensor holder Hook “A” Hooks Hook Waste toner sensor Hooks Waste toner sensor Fig.
8.37 Laser Unit/ Hook Slope (1) Remove the four cup S M3x8 Taptite screws, and then remove the two Hook slopes. Hook slope Taptite, cup S M3x8 Hook slope <Front> Taptite, cup S M3x8 Frame unit Fig. 3-160 (2) Remove the nine cup S M3x6 Taptite screws (8 pieces from the top and 1 piece from the Front), and then remove the Scanner cover.
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(3) Disconnect the two flat cables (CN1, CN4) and connector (CN8) from the Laser unit. Note: - After disconnecting the flat cable(s), check that each cable is not damaged at its end or short-circuited. - When connecting the flat cable(s), do not insert it at an angle. After insertion, check that the cable is not at an angle.
8.38 Develop Drive Motor ASSY (1) Remove the Rack gear 27 from the Frame unit. Frame unit Rack gear 27 <Left side> Fig. 3-164 (2) Remove the Alum sheet frame from the Develop gear plate ASSY. (3) Remove the seven cup S M3x6 Taptite screws, and then remove the Develop gear plate ASSY from the Frame unit.
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(4) Remove the three cup S M3x6 Taptite screws, and then remove the Develop drive motor ASSY from the Develop gear plate ASSY. Taptite, cup S M3x6 Taptite, cup S M3x6 Develop drive motor ASSY Taptite, cup S M3x6 Develop gear plate ASSY Fig.
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(6) Remove the Friction cap from the Develop gear plate ASSY. Friction cap Develop gear plate ASSY Fig. 3-168 Assembling Note: - When assembling the Develop gear plate ASSY onto the Frame unit, secure the screws in the order of the numbers which are indicated on the plate. Develop gear plate ASSY Fig.
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Assembling Note: - When assembling the Develop gear plate ASSY, make sure to keep the Harness and Flat cable out of the Frame unit to prevent them from going into the Develop gear plate ASSY. Frame unit Flat cable Harness Develop gear plate ASSY Fig.
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Assembling Note: - Always make sure to attach the Alum sheet frame after assembling the Develop gear plate ASSY and Flat cable. Attach the Alum sheet frame so that it is aligned with the corner of the square hole as shown in the figure below. Alum sheet frame Alum sheet frame Flat cable...
8.39 Drum Drive ASSY/ Drum Phase Sensor PCB ASSY 1, 2 (1) Remove the Engine insulation sheet from the Harness shield plate, which is fixed with a two-sided adhesive tape. Harness shield plate Engine insulation sheet <Left side> Fig. 3-173 (2) Remove the three cup S M3x6 Taptite screws, and then remove the Harness shield plate from the Frame unit.
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(3) Remove the four cup S M3x6 Taptite screws, and then remove the Engine PCB plate. Frame unit Engine PCB plate Taptite, cup S M3x6 <Left side> Taptite, cup S M3x6 Fig. 3-175 Assembling Note: When assembling the Engine PCB plate, make sure that the section “A” is caught on the Hook of the Drive frame unit ASSY.
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(4) Remove the two cup S M3x6 Taptite screws, and then remove the Drum drive motor 1. (5) Remove the two cup S M3x6 Taptite screws, and then remove the Drum drive motor 2. Frame unit Drum drive motor 2 Taptite, cup S M3x6 Drum drive motor 1 Taptite, cup S M3x6...
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(6) Remove the six bind B M4x12 Taptite screws, and then remove the Drum drive ASSY from the Frame unit. Note: Since the four Gears 39/121 of the Drum drive ASSY are assembled together, which makes one set, DO NOT replace only one gear. If their replacement is required, replace the complete Drum drive ASSY.
8.40 Drive Frame Unit ASSY (1) Remove the three bind B M4x12 Taptite screws, and then remove the Drive frame unit ASSY from the Frame unit. (2) Disconnect the Connector from the Drive frame unit ASSY. Frame unit Drive frame unit ASSY Connector Taptite, bind B M4x12 (Tightening torque:...
8.41 Paper Feed/Belt Cleaner Motor ASSY (1) Remove the four cup S M3x6 Taptite screws (2 pieces provided on each of the front and back), and then remove the Paper feed/belt cleaner motor ASSY from the Drive frame unit ASSY. Taptite, cup S M3x6 Paper feed/belt cleaner motor ASSY Drive frame unit ASSY...
8.42 Develop Release Sensor PCB ASSY (1) Remove the cup B M3x8 Taptite screw. (2) Remove the Develop release sensor PCB ASSY from the Frame unit. Disconnect the Connector from the Develop release sensor PCB ASSY. Frame unit Hook Connector Taptite, cup B M3x8 (Tightening torque: 0.60 ±0.1 N m)
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(2) Remove the three bind B M3x12 Taptite screws and cup B M3x12 Taptite screw, and then remove the Develop press drive L ASSY. Frame unit Taptite, bind B M3X12 (Tightening torque: 0.80 ±0.1 N m) Develop press drive L ASSY Taptite, bind B M3X12 (Tightening torque: 0.80 ±0.1 N m) Taptite, bind B M3X12...
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Assembling Note: - Assemble the Develop press drive L ASSY so that the section of the Pull up lever L, where the spring is hooked is placed as shown in the figure below. Develop press drive L ASSY Pull up lever spring (for L) Pull up lever L Section where the spring is hooked Fig.
8.44 Front Cover Interlock Switch ASSY (1) Remove the Interlock switch holder spring and Interlock harness guide from the Develop press drive L ASSY. Interlock switch holder spring Hook B Hook D Hook B Interlock harness guide Hook C Develop press drive L ASSY Hook A Hook A Hook D...
8.45 Toner Sensor PCB ASSY K, Y, M, C (TE/NEW) (1) Remove the three cup B M3x10 Taptite screws, and then remove the Release drive holder from the Frame unit. Release drive holder Frame unit Taptite, cup B M3x10 (Tightening torque: 0.70 ±0.1 N m) <Left side >...
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(2) Remove the bind B M3x8 Taptite screw, and then remove the Toner sensor PCB ASSY K (TE/NEW) from the Frame unit. (3) Remove the cup B M3x8 Taptite screw, and then remove the TE protect film 2 and Toner sensor PCB ASSY Y (TE/NEW) from the Frame unit.
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Assembling Note: Assemble the Toner sensor PCB ASSY K, Y, M, C (TE/NEW) as shown in the figure below. For the method to arrange the harnesses, refer to “5. Toner sensor PCB ASSY K, Y, M, C (TE/NEW)”. Toner sensor PCB Toner sensor PCB ASSY Y (TE/NEW) ASSY M (TE/NEW)
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(6) Release the two Hooks of the LED holder to remove it from each of the four Toner sensor PCB ASSYs (TE/NEW). Hook Toner sensor PCB ASSY (TE/NEW) Hook LED holder Fig. 3-195 Assembling Note: Assemble the Toner sensor PCB ASSY (TE/NEW) so that the Shutter of the New toner actuator is put into the sensor section of the Toner sensor PCB ASSY (TE/NEW).
8.46 New Toner Actuator/ New Toner Actuator Spring (1) Release the section “A” of the New toner actuator spring from the Hook of the Frame unit, and then remove the New toner actuator from the Fame unit. “A” Frame unit New toner actuator spring Hook New toner actuator...
8.47 Side Plate R ASSY (1) Remove the four cup S M3x6 Taptite screws, four cup B M4x12 Taptite screws and screw pan (S/P washer) M4x8. (2) Remove the cup S M4x8 Taptite screw and screw pan (S/P washer) M4x8, and then remove the Side plate R ASSY from the Frame unit.
8.48 Drum Lock Lever L (1) Remove the Screw, bind M3x8, and remove the Drum lock lever plate L ASSY and then remove the Drum lock spring and Drum lock lever L from the Frame unit. Drum lock lever plate L ASSY Frame unit Drum lock spring <Left side >...
8.49 Drum Lock Lever R (1) Remove the Screw, bind M3x8, and remove the Drum lock lever plate R ASSY and then remove the Drum lock lever R from the Frame unit. Frame unit Screw, bind M3x8 <Front> Drum lock lever R Drum lock lever plate R ASSY Fig.
8.50 Charge HVPS PCB ASSY (1) Remove the cup S M3x6 Taptite screw and two bind B M4x12 Taptite screws, and then release the four Hooks to remove the Charge HVPS PCB ASSY from the Frame unit. Hooks Frame unit <Right side>...
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Assembling Note: - Be careful not to loose the HVPS charge head, HVPS charge head spring, HVPS DEV head and HVPS DEV head spring. Before assembling the Charge HVPS PCB ASSY, check that these four parts are complete, and that they move smoothly. HVPS DEV head HVPS charge head HVPS DEV...
8.51 Toner LED PCB ASSY (1) Remove the Screw pan (S/P washer) M3x16, and then remove the Toner LED PCB from the Frame unit. <Right side> Toner LED PCB Frame unit Screw pan (S/P washer) M3x16 Fig. 3-208 (2) Release the two Hooks to remove the LED holder from the Toner LED PCB. (3) Remove the other three Toner LED PCBs in the same way.
8.52 Fuser Unit Fan (FU) (1) Remove the Fuser unit fan (FU) from the Frame unit. Frame unit Fuser unit fan (FU) Label <Right side> Fig. 3-210 Assembling Note: When assembling the Fuser unit fan (FU), place it so that the attached Label faces outwards.
8.54 Air Intake Fan (AIR) (1) Remove the Air intake fan (AIR) from the Frame unit. Frame unit Air intake fan (AIR) <Right side> Label Fig. 3-212 Assembling Note: When assembling the Air intake fan (AIR), place it so that the attached Label faces outwards.
8.55 PS PCB Unit (1) Remove the LVPS insulation sheet and LVPS V0 insulation sheet from the PS PCB unit. LVPS insulation sheet <Right side> PS PCB unit LVPS V0 insulation sheet Fig. 3-213 (2) Remove the Power supply switch from the Belt gear plate ASSY by pushing the Hooks inwards.
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(3) Remove the Screw pan (S/P washer) M4x8, and then remove the Ground terminal. (4) Remove the two Taptite, flat B M3x10, and then remove the Power inlet socket from the Frame unit. Frame unit <Back side> Taptite, flat B M3x10 (Tightening torque: Power inlet socket 0.60 ±0.1 N m)
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(6) Disconnect the four Connectors (CN2, CN101, CN102, CN103) from the PS PCB unit. PS PCB unit CN103 CN102 CN101 Fig. 3-217 Assembling Note: - Assemble the LVPS insulation sheet so that the section “A” is in the position as shown in the figure below.
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Assembling Note: - Assemble the Power supply switch so that the ON/OFF mark on the Power supply switch is aligned with the ON/OFF mark imprinted on the Belt gear plate ASSY. Power supply switch Belt gear plate ASSY Fig. 3-219 - When assembling the PS PCB unit, align it with the two Bosses on the Frame unit.
8.56 Belt Unit Drive Motor ASSY (1) Release the three Hooks to remove the Harness holder 16AWG from the Belt gear plate ASSY. Belt gear plate ASSY <Right side> Hooks Harness holder 16AWG Hook Fig. 3-221 (2) Remove the three cup B M4x12 Taptite screws and Screw, cup M3x6, and then remove the Belt gear plate ASSY from the Frame unit.
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(3) Remove the bind B M3x10 Taptite screw, and then remove the LV fan duct from the Frame unit. Frame unit <Right side> LV fan duct Taptite, bind B M3X10 (Tightening torque: 0.80 ±0.1 N m) Fig. 3-223 (4) Remove the three cup B M4x12 Taptite screws, and then remove the Belt unit drive motor ASSY from the Frame unit.
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(6) Remove the two Screws bind M3x5, and then remove the Belt unit drive motor from the Motor plate P. Belt unit drive motor Screw bind M3x5 Motor plate P Fig. 3-225 3-153 Confidential...
DISASSEMBLY PROCEDURE (LT-100CL) (MFC-9440CN/ 9450CDN ONLY) 9.1 LT Paper Tray (1) Pull out the LT paper tray, and remove the paper from the LT paper tray. LT paper tray Fig. 3-226 (2) Release the two Hooks of the LT separation pad ASSY, and then lift up the LT separation pad ASSY.
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(3) Push both sides of the LT separation pad ASSY inwards to release the Pins and remove the LT separation pad ASSY from the LT paper tray. LT separation pad ASSY <Front> LT paper tray LT separation pad spring Fig. 3-228 (4) Remove the LT separation pad spring from the LT paper tray.
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(5) Remove the two bind B M4x10 Taptite screws from the Pinch roller holder cover LT. (6) Release the four Hooks to remove the Pinch roller holder cover LT from the LT paper tray. Taptite, bind B M4x10 Hooks Taptite, bind B M4x10 Pinch roller holder cover LT Hook Hook...
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(8) Release the Pin to remove the Pinch roller sub ASSY from the LT paper tray. Pinch roller sub ASSY LT paper tray Pinch roller sub ASSY Fig. 3-232 3-157 Confidential...
9.2 LT Cover Rear (1) Remove the four Shoulder screws from the LT cover rear. Shoulder screw LT cover rear Shoulder screw Shoulder screws Fig. 3-233 (2) Release the two Pins on the bottom to remove the LT cover rear. LT cover rear Fig.
9.3 LT Cover Left (1) Remove the three Shoulder screws from the LT cover left. Shoulder screw LT cover left Shoulder screws Fig. 3-235 (2) Release the two Hooks on the upper side and the two Hooks on the Back to remove the LT cover left.
9.4 LT Cover Right (1) Remove the three Shoulder screws from the LT cover right. Shoulder screw LT cover right Shoulder screw Shoulder screw Fig. 3-237 (2) Release the two Hooks on the upper side and the two Hooks on the Back to remove the LT cover right.
9.5 LT Relay PCB ASSY (1) Disconnect the all connectors from the LT relay PCB ASSY. LT relay PCB ASSY Fig. 3-239 (2) Remove the cup S M3x6 Taptite screw, and then remove the LT relay PCB ASSY. Taptite, cup S M3x6 LT relay PCB ASSY Fig.
9.6 LT Solenoid ASSY (1) Remove the cup S M3x6 Taptite screw, and then remove the Solenoid holder ASSY. Solenoid holder ASSY Taptite, cup S M3x6 Fig. 3-241 (2) Remove the Screw flanged M3X3.5, and then remove the LT solenoid ASSY and Solenoid spring MP from the LT solenoid holder.
9.7 Collar 6 (1) Remove the two Collars 6 from the Fittings shaft. Collar 6 Collar 6 Fittings shaft Fig. 3-243 9.8 Cassette Switch ASSY (1) Remove the three cup S M3x6 Taptite screws and release the Hook. Then, remove the LT tray guide left rear ASSY.
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(2) Release the Hook to remove the Cassette actuator and Cassette actuator spring. Hook Cassette actuator spring LT tray guide left rear ASSY Cassette actuator Fig. 3-245 (3) Release the two Hooks to remove the Cassette switch ASSY. LT tray guide left rear ASSY Cassette switch ASSY Hooks Fig.
9.9 LT Paper Feed Frame Unit (1) Remove the four cup S M3x6 Taptite screws, and then remove the LT front cover and LT beam F from the LT frame unit. LT beam F Taptite, cup S M3x6 Taptite, cup S M3x6 Taptite, cup S M3x6 LT front cover <Front>...
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(3) Remove the Retaining ring E3 from the F roller shaft LT and remove the FR bush TR. F roller shaft LT FR bush TR Retaining ring E3 <Right side> Fig. 3-249 (4) Remove the Lift spring from the Hook of the Lift lever A. (5) Remove the F roller shaft LT from the LT frame unit by pushing right (5a), pull left end forward (5b) and remove leftwards (5c).
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Assembling Note: When assembling the F roller shaft LT, place the Rib of the Paper feed frame unit between the section “A” and “B” of the Lift lever B and align the section “B” with the Lever of the Paper feed holder.
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(7) Remove the Gear 20A from the Drive unit by releasing the Hook. Drive unit Hook Gear 20A <Left side> Fig. 3-253 (8) Remove the Gear 33 from the Drive unit by releasing the Hook. Drive unit Hook <Left side> Gear 33 Fig.
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(9) Remove the Extension spring LT from the Spring hook and remove the Gear 46/55 from the Drive unit by releasing the Hook. Drive unit Hook Spring hook <Left side> Extension spring LT Gear 46/55 Fig. 3-255 (10) Remove the Gear 46 LT from the Drive unit. Drive unit Gear 46 LT <Left side>...
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(11) Remove the two cup S M3x6 Taptite screws and one bind B M4x10 Taptite screw from the LT frame L unit. LT paper feed frame unit Taptite, cup S M3x6 Taptite, bind B M4x10 LT frame L unit <Left side> Fig.
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(14) Turn the LT frame unit the correct way up. (15) Remove the two cup S M3x6 Taptite screws from the LT beam R. LT beam R Taptite, cup S M3x6 <Back side> Fig. 3-259 (16) Remove the cup S M3x6 Taptite screw from the LT frame unit. LT frame unit <Left side>...
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(17) Remove the LT paper feed frame unit from the LT frame unit by 17a and 17b. LT paper feed frame unit <Front> LT frame unit Fig. 3-261 3-172 Confidential...
(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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<Procedures> Rewriting the Firmware (Main Firmware, Sub Firmware (PCL/PS)) - How to rewrite the firmware by using the USB flash memory drive (For the model with a USB direct interface) 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.
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- 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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(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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(8) Alert warning message of WHQL appears, Click Continue Anyway to proceed. Confidential...
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(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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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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(4) Drag the necessary firmware program file such as LZ1011_A.djf and drop it onto the Brother Maintenance USB Printer icon. “Program Updating” will appear on the LCD. (5) Upon completion of rewriting, the machine is rebooted and returns to the Ready state automatically.
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EEPROM Parameter Initialization of Main PCB (Maintenance Mode: Code 01) Refer to “1.4.1 EEPROM Parameter Initialization” in Chapter 5, and perform the EEPROM parameter Initialization of main PCB. Operational Check of Control Panel Button (Maintenance Mode: Code 13) Refer to “1.4.8 Operational Check of Control Panel Button”...
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(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.
IF YOU REPLACE THE ENGINE PCB < What to do when replacing the engine PCB > Rewriting the Firmware (Engine Firmware) Performing the Color Calibration Performing the Auto Registration < Which parts to use > - Engine PCB: The table below shows the ROM type. Flash ROM 0 (512 Kbyte): Engine firmware <...
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(3) When the machine has recognized the USB flash memory drive, the “Checking device/ Please wait” message appears on the LCD. (4) “Direct Print” is displayed on the first line of the LCD, and the file names will be shown on the second line of the LCD.
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(4) Drag the necessary firmware program file such as LZ0833_A.djf and drop it onto the Brother Maintenance USB Printer icon. “Program Updating” will appear on the LCD. “Program Updating” will appear on the LCD and the machine emits audible beeps.
IF YOU REPLACE THE TRANSFER HVPS PCB UNIT OR REGISTRATION-MARK SENSOR PCB ASSY 1, 2 <What to do when replacing the transfer HVPS PCB unit or registration-mark sensor PCB ASSY 1, 2> Adjustment of Color Registration (Function code 66) <Procedures> Adjustment of Color Registration (Function code 66) Refer to “1.4.17 Adjustment of Color Registration”...
IF YOU REPLACE THE LASER UNIT <What to do when replacing the laser unit> When an old-type laser unit is replaced with a new laser unit, it is necessary to rewrite the firmware. Make sure to rewrite the firmware with the following procedure. <...
CHAPTER 5 SERVICE FUNCTIONS MAINTENANCE MODE The maintenance mode is exclusively designed for the checking, settings and adjustments of the machine by using the buttons on the control panel. You can customize the EEPROM according to the shipment destination of the machine concerned. In addition, you can perform operational checks of the LCD, control panel PCB and sensors, perform a print test, display the log information and error codes, and modify worker switches (WSW).
List of Maintenance-mode Functions Function Function Refer to: Code EEPROM Parameter Initialization 1.4.1 (5-3) Printout of Scanning Compensation Data 1.4.2 (5-4) Placement of Scanner Unit Position for Transportation 1.4.3 (5-7) ADF Performance Test 1.4.4 (5-7) Test Pattern 1.4.5 (5-8) Worker Switch (WSW) Setting 1.4.6 [1] (5-9) Printout of Worker Switch Data 1.4.6 [2] (5-11)
Detailed Description of Maintenance-mode Functions 1.4.1 EEPROM Parameter Initialization (Function code 01, 91) <Function> The machine initializes the parameter, user switches, worker switches and assurance mode switch settings registered in the EEPROM, to the initial values. Entering function code 01 initializes almost all of the EEPROM areas, but entering 91 does not initialize some areas, as listed below.
1.4.2 Printout of Scanning Compensation Data (Function code 05) <Function> The machine prints out the black and white level data for scanning compensation. <Operating Procedure> Do not start this function merely after powering on the machine but start it after carrying out a sequence of scanning operation.
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Note: - If an incorrect value is found, the machine prints out the data with the reversal format (white on black). - After black and white scanning, the machine prints out the G data only for black and white level registration. It does not print out the R and B data. - The white level and black level data are captured at 10/16 bits, and upper 8 bits data of them is printed.
1.4.3 Placement of Scanner Unit in Position for Transportation (Function code 06) <Function> This function is to move the scanner unit in position for transportation located at the left end. When you fix the machine and check its operation, you need to perform this function last before packing and shipping.
1.4.5 Test Pattern (Function code 09) <Function> This function prints out a test pattern (Print Quality Check sheet) to allow the service personnel to check the print quality. <Operating Procedure> (1) Press the 0 and 9 buttons in this order in the initial stage of the maintenance mode. (2) The machine starts printing a test pattern.
1.4.6 Worker Switch (WSW) Setting and Printout [ 1 ] Worker Switch Setting (Function code 10) <Function> The machine incorporates the following worker switch functions which may be activated with the procedures using the control panel buttons. The worker switches have been set at the factory in conformity to the communications standards and codes of each country.
WSW No. Function Refer to: WSW37 Function setting 15 App. 1-42 WSW38 V.34 transmission settings App. 1-43 WSW39 V.34 transmission speed App. 1-44 WSW40 V.34 modem settings App. 1-45 WSW41 ON-duration of the scanning light source App. 1-47 WSW42 Internet mail settings App.
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Note: - To cancel this operation and return the machine to the initial stage of the maintenance mode during the above procedure, press the Stop/Exit button. - If there is a pause of more than one minute after a single-digit number is entered for double- digit worker switch numbers, the machine will automatically return to the initial stage of the maintenance mode.
1.4.7 Operational 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 buttons in this order in the initial stage of the maintenance mode. The LCD shows.
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To terminate this operation, press the Stop/Exit button. The machine beeps for one second and returns to the initial stage of the maintenance mode. MFC-9440CN/ 9450CDN Fig. 5-6 DCP-9040CN/ 9042CDN Fig. 5-7 5-13 Confidential...
1.4.9 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 and 5 buttons in this order in the initial stage of the maintenance mode. The machine displays each of terms described below on the LCD.
1.4.10 Drum Unit Cleaning (Function code 31) < Function > This function allows you to remove the dust attached on the surface of the exposure drum by using the drum cleaning sheet. < Operating Procedure > (1) Press the 3 and 1 buttons in this order in the initial stage of the maintenance mode. The “DRUM CLEANING”...
1.4.11 Operational Check of Sensors (Function code 32) <Function> This function allows you to check each of the sensors. <Operating Procedure> (1) Press the 3 and 2 buttons in this order in the initial stage of the maintenance mode. The machine beeps 1100 Hz and 400 Hz tones cycling through the following volumes for testing the speaker.
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Sensors Sensing status (ON/OFF) Develop release sensor Release / Welding Belt cleaner release sensor Release / Contact Waste toner sensor 1 Toner not detected / nearly full Waste toner sensor 2 Toner not detected / full Temperature and humidity Sensing status (OK / NG) sensors XX °...
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Location of sensors Toner sensor K (NEW) Toner sensor M (TE) Toner sensor C (TE) Toner sensor Y (NEW) Toner sensor Y (TE) Toner sensor M (NEW) Develop release sensor Toner sensor K (TE) Internal temperature sensor Paper feed frame unit Toner sensor C (NEW) T1 PE/edge sensor PCB ASSY...
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Develop press drive L ASSY MP PE sensor Front cover MP registration front sensor THM/HUM sensor holder ASSY MP unit ASSY THM/HUM sensor MP PE/sensor PCB ASSY LT connector Registration rear sensor LT tray guide left rear ASSY T1 registration front sensor LT sensor LT Paper feed frame unit LT PE sensor...
1.4.12 Switching of the USB Transfer Speed in the PictBridge Mode (Function code 45) <Function> This function allows you to change the USB transfer speed in the PictBridge mode. If the digital camera which a user uses cannot be connected in the PictBridge mode, it may be possible by changing the speed setting.
1.4.13 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”, “East Europe”, “Oceania” and “Iberia” areas only. <Operating Procedure>...
1.4.14 Received Data Transfer Function (Function code 53) (MFC-9440CN/ 9450CDN only) <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. It also transfers the maintenance information of the machine via FAX.
1.4.15 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 FB unit. <Operating Procedure> (1) Press the 5 and 4 buttons in this order in the initial stage of the maintenance mode. The “SCAN START ADJ.”...
MAINTENANCE 5 and 4 buttons select SCAN START ADJ. OK button 2 seconds later Stop/Exit button :ADF : FB button select Stop/Exit button button button OK button ACCEPTED Fig. 5-16 1.4.16 Acquisition of White Level Data (Function code 55) <Function> This function allows the machine to obtain white level data for the scanner unit and save it into the EEPROM on the main PCB.
1.4.17 Adjustment of Color Registration (Function code 66) <Function> This function automatically adjusts color registration. If automatic adjustment of color registration fails, you can adjust color registration manually. <Operating Procedure> Automatic Adjustment of Color Registration (1) Press the 6 button twice in the initial stage of the maintenance mode. ”REGISTRATION”...
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(6) In the same way, enter the numeric value of the pattern 2, 3, 7, 8, and 9. (7) When you enter the numeric value of the pattern 9 (Yellow Right), “SET REGISTRATION/ COMPLETED” is displayed on the LCD. When you press the Stop/Exit button, a buzzer sounds for approx.
1.4.18 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> (4) Press the 6 and 7 buttons in this order in the initial stage of the maintenance mode.
1.4.20 EEPROM Customizing (Function code 74) <Function> This function allows you to customize the EEPROM according to language, function settings, and worker switch settings. Note: If you replace the main PCB, be sure to carry out this procedure. <Operating Procedure> (1) Press the 7 and 4 buttons in this order in the initial stage of the maintenance mode.
1.4.21 Sensitivity Adjustment of Registration-mark Sensor (Function code 75) <Function> This function makes the registration-mark sensor to adjust its sensitivity compulsory. This function makes the machine to check the surface of the belt unit by using the registration-mark sensor as well. Description REGI_SENS ADJUST Adjust the sensitivity of the registration-mark sensor when the...
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< During the 1 or 3 adjustments > Error Messages Description Solution REGI_SENS ADJUST Failure in writing the electron Replace the engine PCB ASSY. volume to NVRAM Write Err The measured data is REGI_SENS ADJUST Replace the belt unit. abnormal when the sensitivity If the belt unit is not replaced, set Belt Left Err of the left registration-mark...
1.4.22 Printout of Maintenance Information (Function code 77) <Function> This function is to print out log information. <Operating Procedure> (1) Press the 7 button twice in the initial state of the maintenance mode. The “MAINTENANCE 77” will appear on the LCD. (2) The machine prints out a list of log information.
1.4.23 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. Parts Name Description Fuser unit fan Evacuate hot air of the fuser unit. Drum unit fan Evacuate hot air of the drum unit drive motor.
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Location of fans Exhaust Fuser unit fan (FU) Intake Air intake fan (AIR) Drum unit fan (OPC) LVPS fan (PS) Fig. 5-21 5-35 Confidential...
1.4.24 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 buttons in this order in the initial stage of the maintenance mode. The USB serial number appears on the LCD.
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*1: Some margin of error must be taken into consideration because coverage for the printable area of A4-size paper is calculated using video signals. *2: Not indicated for the DCP-9040CN/ 9042CDN model. *3: The log information can be reset when pressing the 2, 7, 8 and 3 buttons while the information is being indicated.
1.4.25 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 buttons in this order in the initial stage of the maintenance mode. The machine displays “MACHINE ERROR X X”...
1.4.27 Output of Transmission Log to the Telephone Line (Function code 87) <Function> This function outputs the transmission log (that the machine has stored about the latest transmission) to the telephone line. It allows the service personnel to receive the transmission log of the user's machine at a remote location and use it for analyzing problems arising in the user's machine.
OTHER SERVICE FUNCTIONS Resetting the Periodical Replacement Parts Life 2.1.1 Resetting the Life Counter of the Belt Unit <Function> This function allows you to reset the page counter of the belt unit and increase the number of replacement times by one. <Operating Procedure>...
2.1.3 Resetting the Life Counter of the Drum Unit <Function> This function allows you to reset the page counter of the drum unit and increase the number of replacement times by one. <Operating Procedure> (1) Press the 3 and 9 buttons at the same time in the ready state. The “Reset Menu / Drum”...
2.1.5 Resetting the Life Counter of the MP Paper Feeding Kit <Function> This function allows you to reset the page counter of the MP paper feeding kit and increase the number of replacement times by one. <Operating Procedure> (1) Press the 3 and 9 buttons at the same time in the ready state. The “Reset Menu / Drum”...
Develop Roller/ Developing Bias Voltage Counter Reset Function Since print density is likely to become darker as the toner gets older, the developing bias is lowered by degrees (bias voltage is reduced) according to the number of develop roller rotations so that an almost fixed density can be maintained from the beginning to the end. The developing bias voltage can be verified in the display of log information (Function code 80).
Drum Unit Cleaning Mode This mode is to remove the dust attached on the exposure drum. When white spots appear on the printout, perform this operation to remove the dust by using the drum cleaning sheet. <Operating Procedure> (1) Load the drum cleaning sheet into the MP tray. (2) Check that the status LED lights in green and press the and Clear/Back buttons at the same time.
APPENDIX 1 WORKER SWITCH SETTINGS (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 “1.4.20 EEPROM Customizing (Function Code 74)” in Chapter 5) and the other is for modifying preferences that match the machine to the environmental conditions.
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WSW No. Function Refer to: WSW26 Function setting 4 App. 1-31 WSW27 Function setting 5 App. 1-32 WSW28 Function setting 6 App. 1-33 WSW29 Function setting 7 App. 1-34 WSW30 Function setting 8 App. 1-35 WSW31 Function setting 9 App. 1-36 WSW32 Function setting 10 App.
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The functions and settings for each worker switch (WSW) are described below; < WSW01 > Selector No. Function Setting and Specifications No. 1 0 : N Dial pulse generation mode 1 : N+1 0 : 10-N 1 : N No. 3 0 : 60 ms Break time length in pulse 1 : 67 ms...
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- 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.) - Selector 7: Switching between pulse and tone dialing, by the function switch This selector determines whether or not the dialing mode can be switched between the pulse (DP) and tone (PB) dialing by using the function switch.
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< WSW02 > Selector No. Function Setting and Specifications No. 1 0 : 70 ms Tone signal transmission time 1 : 80 ms length 0 : 90 ms 1 : 100 ms No. 3 0 : 70 ms Min. pause in tone dialing 1 : 80 ms 0 : 90 ms 1 : 140 ms...
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< WSW03 > Selector No. Function Setting and Specifications CNG detection when sharing a modular wall socket with a 0: A 1: B telephone No. 2 0 0: 50 ms 0 1: 210 ms 1 0: 500 ms Detection time length of PABX* dial tone, required for starting 1 1: 800 ms dialing...
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- Selectors 2 through 4: Detection time length of PABX dial tone, required for starting dialing Upon detection of the PABX dial tone for the time length set by these selectors, the machine starts dialing. These selectors are effective only when both selectors 6 and 7 are set to “1”...
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< WSW04 > Selector No. Function Setting and Specifications Earth function in transfer facility 0: Provided 1: Not provided (Not used.) No. 2 0: 350 and 440 Hz Dual tone detection frequency 1: 440 and 480 Hz in ICM recording 0: 480 and 620 Hz 1: 480 and 620 Hz Dual tone detection sensitivity...
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< WSW05 > Selector No. Function Setting and Specifications No. 1 0 0: 3.5 sec. wait 0 1: 7.0 sec. wait 1 0: 10.5 sec. wait 1st dial tone detection 1 1: 14.0 sec. wait 0 0: 17.5 sec. wait 0 1: 21.0 sec.
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- 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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- 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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< WSW07 > Selector No. Function Setting and Specifications No. 1 0: Narrows by 10 Hz Dial tone frequency band 1: Initial value control 0: Widens by 10 Hz 1: Widens by 10 Hz Line current detection 0: No 1: Yes (Not used.) No.
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< WSW08 > Selector No. Function Setting and Specifications No. 1 0 0: 50 ms 0 1: 250 ms 1 0: 500 ms 1st dial tone detection time 1 1: 620 ms length 0 0: 800 ms 0 1: 1.5 sec. 1 0: 2.0 sec.
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< WSW09 > 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 0: 4 times No. of retries 1: 3 times 0: 2 times 1: 1 times T5 timer 0: 300 sec.
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< WSW10 > Selector No. Function Setting and Specifications DPS switching interfacing with 0: No 1: Yes Time length from transmission 0: 100 ms 1: 50 ms of the last dial digit to CML ON Time length from CML ON to 0: 2 sec.
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< WSW11 > Selector No. Function Setting and Specifications No. 1 0: Narrows by 10 Hz Busy tone frequency band 1: Initial value control 0: Widens by 10 Hz 1: Widens by 10 Hz 1: 250-750/250-750 ms 1: 400-600/400-600 ms ON/OFF time length ranges for 1: 175-440/175-440 ms busy tone (More than one...
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< WSW12 > Selector No. Function Setting and Specifications No. 1 0: 1500 ms Min. detection period required for interpreting incoming calling 1: 500 ms signal (CI) as OFF 0: 700 ms 1: 900 ms No. 3 0: 6 sec. Max.
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< WSW13 > Selector No. Function Setting and Specifications No. 1 0: 0 km Cable equalizer 1: 1.8 km 0: 3.6 km 1: 5.6 km No. 3 0: -43 dBm Reception level 1: -47 dBm 0: -49 dBm 1: -51 dBm 0: 0 dB 0: 8 dB 0: 0 dB...
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< WSW14 > Selector No. Function Setting and Specifications No. 1 0: 13 Hz Frequency band selection (lower limit) for incoming calling 1: 15 Hz signal (CI) 0: 23 Hz 1: 20 Hz No. 3 0: 30 Hz Frequency band selection (upper limit) for incoming calling 1: 55 Hz signal (CI)
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< WSW15 > Selector No. Function Setting and Specifications No. 1 0: 5 min. Redial interval 1: 1 min. 0: 2 min. 1: 3 min. No. 3 4 5 6 0 0 0: 16 times 0 0 1: 1 times No.
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< WSW16 > 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 Note: Selector 7 is applicable to models equipped with ADF units.
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< WSW17 > Selector No. Function Setting and Specifications No. 1 0: No alarm 1: Always valid Off-hook alarm 0: Valid except when' call reservation' is selected. 1: Valid except when' call reservation' is selected. Not used. Calendar clock type 0: U.S.A.
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< WSW18 > Selector No. Function Setting and Specifications Not used. No. 2 0: 40 sec. Detection enabled time for CNG 1: 0 sec. (No detection) and no tone 0: 5 sec. 1: 80 sec. Not used. Registration of station ID 0: Permitted 1: Prohibited No.
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< WSW19 > Selector No. Function Setting and Specifications No. 1 First transmission speed choice No. 4 for fallback 0 0: 2,400 bps 0 1: 4,800 bps 1 0: 7,200 bps 1 1: 9,600 bps Last transmission speed choice 0 0: 12,000 bps for fallback 0 1: 14,400 bps 1 0: 14,400 bps...
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< WSW20 > 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 0: 100 ms Min.
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- Selectors 8: Limitation on CNG detection If this selector is set to “1,” the machine detects a CNG signal according to the condition preset by selectors 2 and 3 on WSW18 after a line is connected. If it is set to “0,” the machine detects a CNG signal as long as the line is connected.
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< WSW22 > Selector No. Function Setting and Specifications ECM* in sending 0: Valid 1: Invalid ECM* in receiving 0: Valid 1: Invalid Call Waiting Caller ID 0: Displayed 1: Not displayed Not used. 0: 0 % 1: 8 % Acceptable TCF bit error rate 0: 0 % 1: 4 %...
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< WSW23 > 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 0: 0 % Allowable training error rate 1: 0.5 % 0: 1 % 1: 2 % No.
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< WSW24 > Selector No. Function Setting and Specifications No. 1 0: 15 sec. Maximum OGM recording time 1: 20 sec. 0: 30 sec. 1: 50 sec. No. 3 0: 4 sec. Time length from CML ON to start of pseudo ring backtone 1: 3 sec.
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< WSW25 > Selector No. Function Setting and Specifications No. 1 0: 0 sec. External TAD no-tone detection 1: 8 sec. start delay time 0: 16 sec. 1: 24 sec. No. 3 0: -43 dB External TAD no-tone detection 1: -46 dB level 0: -49 dB 1: -51 dB...
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< WSW26 > Selector No. Function Setting and Specifications Not used. Dialing during document reading into the temporary 0: Disable 1: Enable memory in in-memory message transmission No. 4 No. of CNG cycles to be detected 0: 0.5 (when the line is connected via the external telephone except in 1: 1 the external TAD mode or via...
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< WSW27 > Selector No. Function Setting and Specifications Not used. Ringer OFF setting 0: Yes 1: No Automatic playback of OGM when switched to the TAD 0: No 1: Yes mode Detection of distinctive ringing 0: Yes 1: No pattern Not used.
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< WSW28 > Selector No. Function Setting and Specifications No. 1 0 0: 0 dB 0 1: +1 dB 1 0: +2 dB Transmission level of DTMF 1 1: +3 dB high-band frequency signal 0 0: 0 dB 0 1: -1 dB 1 0: -2 dB 1 1: -3 dB No.
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< WSW29 > Selector No. Function Setting and Specifications No. 1 0 0: -47.0 dBm 0 1: -48.5 dBm Compression threshold level for 1 0: -50.0 dBm voice signals inputted via the 1 1: -51.5 dBm telephone line in the built-in 0 0: -53.0 dBm TAD operation 0 1: -54.5 dBm...
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< WSW31 > 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 distinctive ringing...
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< WSW32 > Selector No. Function Setting and Specifications Not used. No. 5 0: Standard Default resolution 1: Fine 0: Super fine 1: Photo No. 7 0: Automatic Default contrast 1: Automatic 0: Super light 1: Super dark - Selectors 5 and 6: Default resolution These selectors set the default resolution which applies when the machine is turned on or completes a transaction.
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< WSW34 > Selector No. Function Setting and Specifications No. 1 0 0: 0 sec. Erasing time length of ICM tone 0 1: 1 sec. recorded preceding the tone 1 0: 2 sec. detection starting point in the 1 1: 3 sec. case of automatic line 0 0: 4 sec.
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< WSW35 > Selector No. Function Setting and Specifications No. 1 2 3 4 0 0 0: No detection 0 0 1: 1 sec. Max. detection period of dial tone/busy tone during recording 0 1 0: 2 sec. of ICM 1 0 0: 4 sec.
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- Selector 1: ECP mode (Not used.) The ECP mode enhances the normal bidirectional communications between the machine and the connected PC for higher transmission speed. - Selector 2: Recovery from Inactive PC Interface (Not used.) If the machine recognizes via the STB signal line that the connected PC is powered off, it will turn the PC interface outputs Low to protect the PC from hazards that could be caused by weak electric current accidentally flown from the machine.
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< WSW37 > Selector No. Function Setting and Specifications Printout of the stored image data of an unsent document 0: No 1: Yes onto an error report Erasure of the stored image data of an unsent document at 0: No 1: Yes the time of the subsequent in- memory message transmission...
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< WSW38 > Selector No. Function Setting and Specifications No. 1 0: Automatic Setting of the equalizer 1: Automatic 0: Fixed to 4 points 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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- Selector 8: Detection of CED for stopping CNG If this selector is set to “0,” the detection time of CED specified by WSW43, selectors 4 and 5 will apply. < WSW39 > Selector No. Function Setting and Specifications No. 1 2 3 4 No.
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< WSW40 > 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: WSW40 takes effect only when the V.34 mode is permitted (WSW19, selector 7) in models...
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< WSW41 > Selector No. Function Setting and Specifications No. 1 0 0: 16 hours 0 1: 24 hours 1 0: 12 hours ON-duration of the scanning light source at room 1 1: 8 hours temperature (Not used.) 0 0: 4 hours 0 1: 2 hours 1 0: 10 min.
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< WSW42 > Selector No. Function Setting and Specifications Access to the incoming mail (POP3) server (Periodical or 0: OFF 1: ON on-demand) (Not used.) Access to the outgoing mail 0: OFF 1: ON (SMTP) server I-FAX relay (Not used.) 0: OFF 1: ON JBIG encoding system...
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< WSW44 > Selector No. Function Setting and Specifications No. 1 0 0: Max. Copying speed control 0 1: 1cpm 1 1: 31cpm No. 6 0 0: Obtained compensation data ineffective 0 1: 1 min. Effective time length of the 1 0: 3 min.
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< WSW45 > Selector No. Function Setting and Specifications No. 1 0 0: No automatic drawing-in 0 1: 1 sec. 1 0: 2 sec. Delay time from when documents are set until the 1 1: 3 sec. ADF starts drawing them in 0 0: 4 sec.
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- Selector 7: Standby position of the CIS unit This selector determines whether the standby position of the CIS unit should be the home 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 CIS 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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< WSW47 > Selector No. Function Setting and Specifications Handling paper at the 0: Eject paper w/o print occurrence of a paper feed 1: Print on the current paper timing error (Not used.) Not used. No. 3 0: 200 ms Delay of FAX line disconnection when switching to the pseudo- 1: 400 ms...
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< WSW48 > Selector No. Function Setting and Specifications Not used. No. 3 0 0: 25 PCs 0 1: 50 PCs 1 0: 75 PCs Number of network TWAIN PCs 1 1: 100 PCs registered for each application 0 0: 125 PCs 0 1: 150 PCs 1 0: 175 PCs 1 1: 200 PCs...
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< WSW49 > Selector No. Function Setting and Specifications No. 1 0: None RAM disc size in PCL/ PS 1: 1MB 0: 2MB 1: 4MB End-of-copying beep 0: Yes 1: No No. 4 0: 150 ms Command flag detection time 1: 350 ms 0: 550 ms 1: 750 ms...
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< WSW50 > Selector No. Function Setting and Specifications No. 1 Percentage voltage for 0: 50 % interpreting the external telephone as being hooked up 1: 80 % (based on the network's 0: 30 % standard voltage) 1: No detection DC mask curve table to be 0: Apply the initial value specified by applied when the line is...
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< WSW51 > Selector No. Function Setting and Specifications Output of communications error report when transmission 0: Enable 1: Disable verification report is disabled CR motor torque variation 0: Yes 1: No reduction control (Not used.) No. 3 0: Middle (Default) Cordless handset microphone 1: Low volume...
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< WSW52 > Selector No. Function Setting and Specifications No. 1 0 0: Microphone level 0 with echo cancellation OFF Cordless handset microphone 0 1: Microphone level 1 with level and echo cancellation echo cancellation ON ON/OFF 1 0: Microphone level 2 with echo cancellation ON 1 1: Microphone level 3 with echo cancellation ON...
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< WSW53 > Selector No. Function Setting and Specifications Not used. No. 3 0: 0 ms Caller ID (number display) FSK 1: 100 ms receiving timing delay setting 0: 150 ms 1: 200 ms No. 5 0: 20 ms Caller ID (number display) instantaneous interrupt 1: 10 ms detection time setting...
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< WSW54 > Selector No. Function Setting and Specifications No. 1 0: 100 ms (default) PictBridge command delay time 1: 0 ms 0: 50 ms 1: 200 ms More CNG detection cycles in 0: No 1: 2 more cycles user-friendly reception Cordless handset ID recovery 0: Valid 1: Invalid...
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- Selector 8: Switching between DTMF and FSK for caller ID reception (Not used) If a caller ID (number display) cannot be received, switch from DTMF to FSK. This operation can also be performed by means of the menu, by switching between DTMF and FSK.
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< WSW57 > Selector No. Function Setting and Specifications No. 1 0 0: 0 V 0 1: 5 V (Default) 1 0: 10 V Caller ID judgment voltage (to be distinguished from rings) 1 1: 15 V (Not used.) 0 0: 20 V 0 1: 25 V 1 0: 30 V 1 1: Max.
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< WSW58 > Selector No. Function Setting and Specifications No. 1 0 0: Invalid 0 1: 10 % Prevention of line interrupt 1 0: 20 % during ICM recording (ratio of guard tone response time to call 1 1: 30 % (Default) end tone ON time) 0 0: 40 % (Not used.)
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< WSW60 > Selector No. Function Setting and Specifications Not used. < WSW61 > Selector No. Function Setting and Specifications No. 1 2 3 4 0 0 0: 1% (Default) 0 0 1: 0.5% 0 1 0: 3% Change rate of the CIS 0 1 1: 5% scanning light intensity to judge 1 0 0: 10%...
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< WSW62 > Selector No. Function Setting and Specifications Change rate Change rate for simple for regular No. 1 2 3 4 compensation compensation 0 0 0: 10% * 0 0 1: 0 1 0: 0 1 1: 1 0 0: 1 0 1: Change rate of the CIS light 1 1 0:...
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Change rate for regular compensation: Change rate when compensating the pages with moving the CIS unit to the designated position for scanning of the compensation data and obtaining the data actually. For duplex scanning, this setting is not used since the machine takes the compensation data of every page again.
APPENDIX 2 DELETION OF PERSONAL INFORMATION The personal information in the machine is recorded in the EEPROM on the main PCB. It cannot be deleted all by a single operation. Use Function code 01 in the maintenance mode, unplug the AC cord from the electrical outlet, and disconnect the backup battery. Operating Procedure [ 1 ] Using Function code 01 Using Function code 01 (EEPROM Parameter Initialization) in the maintenance mode...
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[ 3 ] Restoring the network settings The procedure below allows you to return the LAN settings to the factory setting values. <Operating Procedure> (1) Press the Menu button. Next press the button to select “LAN”. Press the OK button (2) Press the button to select “Factory Reset”.
APPENDIX 3 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. Serial number labels for the machine itself Serial number A 7 J 1 1 1 1 0 1...
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Waste toner box serial label Barcode C L C F 7 J 0 0 0 0 0 1 Z C L C F 7 J 0 0 0 0 0 1 Unique information Unit type Serial number (6-digit) Model type C: AC Manufacturing factory No.
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Belt unit serial label Barcode B L C F 7 J 0 0 0 0 0 1 Z B L C F 7 J 0 0 0 0 0 1 Unique information Unit type Serial number (6-digit) Model type C: AC Manufacturing factory No.
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Toner cartridge(K, Y, M, C) and Drum unit serial label Barcode TKCM7JA000001ELR1189 Part code Unit type DR: Drum unit Assembly line number TM: Toner unit Magenta Serial number (6-digit) TC: Toner unit Cyan TY: Toner unit Yellow Toner filling amount (A D, 5) TK: Toner unit Black Manufacturing factory No.
APPENDIX 4 SCREW CATALOGUE Taptite, bind B Taptite, cup S Taptite, bind B Taptite, cup S M3x8 M3x6 Taptite, bind B Taptite, cup S M3x10 M3x8 Taptite, bind B Taptite, cup S M3x12 M4x8 Taptite, bind B Taptite, cup S M4x10 M3x6 SR Taptite, bind B...
APPENDIX 5 HOW TO MAKE THE DRUM UNIT REMOVE SHEET Make the drum unit remove sheet following the procedures below and use it when packing the drum unit. < Requirements > - A3 or ledger-size paper - A4 or letter-size paper <...
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(3) Align those two sheets of paper with the marking lines on the drum unit remove sheet and attach them. Marking line Marking line * A4 or letter-size paper * A3 or ledger-size paper to be cut Drum unit remove sheet Fig.
APPENDIX 6 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 “2.1 Error Indication”, Chapter 1 of the Service Manual.) 2.