Canon ImageCLASS MF4690 Service Manual Download Page 74

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Summary of Contents for ImageCLASS MF4690

Page 1: ...Jul 18 2007 Service Manual MF4600 Series imageCLASS MF4690 ...

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Page 3: ... need arises In the event of major changes in the contents of this manual over a long or short period Canon will issue a new edition of this manual The following paragraph does not apply to any countries where such provisions are inconsistent with local law Trademarks The product names and company names used in this manual are the registered trademarks of the individual companies Copyright This ma...

Page 4: ...quiring care to avoid combustion fire Indicates an item prohibiting disassembly to avoid electric shocks or problems Indicates an item requiring disconnection of the power plug from the electric outlet Indicates an item intended to provide notes assisting the understanding of the topic in question Indicates an item of reference assisting the understanding of the topic in question Provides a descri...

Page 5: ...sed to indicate Low The voltage value how ever differs from circuit to circuit In addition the asterisk as in DRMD indicates that the DRMD signal goes on when 0 In practically all cases the internal mechanisms of a microprocessor cannot be checked in the field Therefore the operations of the microprocessors used in the machines are not discussed they are explained in terms of from sensors to the i...

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Page 7: ...ording Range Reception 1 10 1 1 4 4 Recording Range Printer 1 11 1 1 4 5 Operation Environment of the Printer Driver 1 11 1 1 4 6 Network Specifications 1 11 1 1 4 7 SEND Specifications 1 12 Chapter 2 Basic Operation 2 1 Construction 2 1 2 1 1 Function Configuration 2 1 2 2 Basic Sequence 2 1 2 2 1 Basic Operation Sequence 2 1 Chapter 3 Original Exposure System 3 1 Basic Constraction 3 1 3 1 1 Spe...

Page 8: ...ner Motor Speed Control 5 3 5 4 3 Detection of Fault of the Scanner Motor 5 3 5 5 Parts Replacement Procedure 5 4 5 5 1 Laser Scanner Unit 5 4 5 5 1 1 Preparation for Removing the Laser Scanner Unit 5 4 5 5 1 2 Removing the Laser Scanner Unit 5 4 Chapter 6 Image Formation 6 1 Overview Configuration 6 1 6 1 1 Configuration 6 1 6 1 2 Print Process 6 1 6 2 Driving and Controlling the High Voltage Sys...

Page 9: ... 2 1 1 Fixing Temperature Control 8 3 8 3 Protection Function 8 4 8 3 1 Protection Function 8 4 8 4 Parts Replacement Procedure 8 6 8 4 1 Fixing Unit 8 6 8 4 1 1 Preparation for Removing Fixing Assembly 8 6 8 4 1 2 Removing Fixing Assembly 8 6 8 4 2 Fixing Film Unit 8 6 8 4 2 1 Preparation for Removing Fixing Film Unit 8 6 8 4 2 2 Removing Fixing Film Unit 8 6 Chapter 9 External and Controls 9 1 C...

Page 10: ...ge Power Supply Board 9 6 9 3 13 2 Removing the High Voltage Power Supply Board 9 6 9 3 14 Motor Driver PCB 9 7 9 3 14 1 Preparation for Removing the Motor driver PCB 9 7 9 3 14 2 Removing the Motor driver PCB 9 7 Chapter 10 Maintenance and Inspection 10 1 Periodically Replaced Parts 10 1 10 1 1 Periodically Replaced Parts 10 1 10 2 Consumables 10 1 10 2 1 Consumable 10 1 10 3 Periodical Service 1...

Page 11: ...f Bit 2 14 8 14 3 4 3 Detailed Discussions of Bit 3 14 8 14 3 4 4 Detailed Discussions of Bit 4 14 8 14 3 4 5 Detailed Discussions of Bit 6 14 8 14 3 4 6 Detailed Discussions of Bit 7 14 8 14 3 5 SSSW SW05 14 8 14 3 5 1 List of Functions 14 8 14 3 5 2 Detailed Discussions of Bit 1 14 9 14 3 5 3 Detailed Discussions of Bit 2 14 9 14 3 6 SSSW SW12 14 9 14 3 6 1 List of Functions 14 9 14 3 7 SSSW SW1...

Page 12: ...CI signal pattern OFF time length long 14 14 14 5 11 023 CNG detention level for fax tel switchover 14 14 14 5 12 024 pseudo RBT transmission level at time of fax tel switchover 14 14 14 5 13 025 Answering machine connection function signal detection time 14 14 14 5 14 027 V 21 low speed flag preamble identification length 14 14 14 5 15 056 061 Count type select 14 14 14 6 Scanner Function Setting...

Page 13: ...25 14 13 1 Overview 14 25 14 13 1 1 Outline 14 25 14 13 1 2 Test Mode Menu List 14 26 14 13 2 DRAM Test 14 27 14 13 2 1 D RAM Test 1 D RAM TEST 14 27 14 13 3 Scan Test 14 28 14 13 3 1 Scan Test 2 SCAN TEST 14 28 14 13 4 Print Test 14 28 14 13 4 1 Print Test 3 PRINT TEST 14 28 14 13 5 Modem Test 14 28 14 13 5 1 MODEM Test 4 MODEM TEST 14 28 14 13 6 Faculty Test 14 31 14 13 6 1 FUNCTION TEST 6 FUNCT...

Page 14: ...Contents ...

Page 15: ...Chapter 1 Introduction ...

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Page 17: ...4 Safety of the Toner 1 6 1 1 2 5 Fire Attention 1 6 1 1 2 6 Points no Note when Replacing Disposing the Lithium Battery 1 7 1 1 3 Product Specifications 1 7 1 1 3 1 Host Machine Specifications 1 7 1 1 3 2 ADF Specifications 1 8 1 1 3 3 FAX Specifications 1 8 1 1 4 Function List 1 9 1 1 4 1 Scanning Range 1 9 1 1 4 2 Recording Range Copy 1 10 1 1 4 3 Recording Range Reception 1 10 1 1 4 4 Recordin...

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Page 19: ...ten glass 2 Slide Guides 11 Output tray extension 3 Document feeder tray 12 Paper stopper 4 Document delivery tray 13 Slide guides for multi purpose tray 5 Operation panel 14 Paper guide rail 6 USB memory port 15 Dust cover 7 Output tray 16 Multi purpose tray 8 Paper cassette 17 Main power switch 9 Scanning area 1 2 3 4 8 7 6 5 9 10 11 12 13 14 15 16 17 ...

Page 20: ...Chapter 1 1 2 Rear View Body F 1 2 1 USB port 4 Telephone line jack 2 Rear cover 5 External device jack 3 Power socket 6 Ethernet port 1 2 4 5 3 6 ...

Page 21: ...ad 4 delivery roller 1 pressure roller 8 pick up roller 2 copyboard glass scanning glass 9 separation pad 3 delivery roller 10 cartridge 4 fixing film unit 11 duplexing feeding roller 5 laser scanner unit 12 transfer charging roller 6 primary charging roller 13 photosensitive drum 7 developing cylinder 14 fixing unit 1 2 3 4 6 7 8 9 11 12 10 13 14 5 1 2 3 4 ...

Page 22: ... 18 Numeric key 6 Additional Functions key 19 Tone key 7 2 Sided key 20 Clear key 8 Enlarge Reduce key 21 key 9 Density key 22 OK key 10 Image Quality key 23 key 11 Collate 2 on 1 key 24 LCD display 12 Log In Out key ID key 25 Toner Gauge key 13 Energy Saver key 1 Hook key 4 Address Book key 2 Recall Pause key 5 One Touch Speed Dial keys 1 2 3 4 5 6 7 8 9 10 11 13 12 14 15 16 17 18 19 20 21 22 23 ...

Page 23: ...Chapter 1 1 5 3 Coded Dial key ...

Page 24: ...am radiation may pose damage to eyes Be sure not to disassemble the laser scanner unit The host machine s laser scanner unit cannot be adjusted in the field The label 1 shown in the figure below is attached onto the cover of the laser scanner unit F 1 8 1 1 2 4 Safety of the Toner 0016 1806 Toner in General Toner is a non toxic material made up of plastic iron and small amounts of dye Do not throw...

Page 25: ...lution 600 x 600 dpi Warm up time 9 0 seconds or less temperature 20 deg C humidity 65 From when turning on the main power of this product until the standby screen is displayed Warm up time may vary according to use condition of this product and environment First print time 8 5 seconds or less A4 LTR Print speed Approximately 20 sheets minute A4 Approximately 21 sheets minute LTR Double sided Appr...

Page 26: ...Analog line single line Telephone subscriber line PSTN Transmission method Half duplex communication Modulation method G3 image signal ITU T V 27 ter 2 4Kbps 4 8Kbps ITU T V 29 7 2Kbps 9 6Kbps ITU T V 17 TC7 2Kbps TC9 6Kbps 12Kbps 14 4Kbps ITU T V 34 2 4Kbps 4 8Kbps 7 2Kbps 9 6Kbps 12Kbps 14 4Kbps 16 8Kbps 19 2Kbps 21 6Kbps 24Kbps 26 4Kbps 28 8Kbps 31 2Kbps 33 6Kbps G3 procedure signal ITU T V 21 ...

Page 27: ...al 6 trailing edge margin 2 left margin 7 non scanning area 3 effective scanning width 8 scanning range 4 right marginmargin 9 trailing edge of original 5 leading edge margin item A4 Letter Legal effective scanning width 206 2 0 2 0 mm 212 2 0 2 0 mm 212 2 0 2 0 mm left margin 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm right margin 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm leading edge margin...

Page 28: ...ctive recording width 204 1 0 2 0 mm 210 2 0 2 0 mm 210 2 0 2 0 mm effective recording left margin 3 0 2 0 2 0 mm 3 0 2 0 2 0 mm 3 0 2 0 2 0 mm right margin 3 0 2 0 2 0 mm 3 0 2 0 2 0 mm 3 0 2 0 2 0 mm leading edge margin 4 0 2 0 2 0 mm 4 0 2 0 2 0 mm 4 0 2 0 2 0 mm trailing edge margin 5 0 2 0 2 0 mm 5 0 2 0 2 0 mm 5 0 2 0 2 0 mm 1 leading edge of document 6 trailing edge margin 2 left margin 7 n...

Page 29: ...mm 212 2 0 2 0 mm 212 2 0 2 0 mm left margin 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm right margin 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm leading edge margin 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm trailing edge margin 6 0 2 0 2 0 mm 6 0 2 0 2 0 mm 6 0 2 0 2 0 mm 1 leading edge of document 6 trailing edge margin 2 left margin 7 non scanning area 3 effective scanning width 8 scanning...

Page 30: ...unication Protocol SMTP POP3 Authentication at transmission POP before SMTP Authentication at reception POP3 SMTP Data Format JPEG color PDF B W PDF compact color TIFF Sending file by dividing it on a page basis is available Resolution 100 x 100 150 x 150 200 x 100 200 x 200 300 x 300 400 x 400 600 x 600 dpi Document size A4 A5 A5R B5 LTR LGL STMTR STMT I Fax sending receiving functions No I FAX f...

Page 31: ...Chapter 2 Basic Operation ...

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Page 33: ...Contents Contents 2 1 Construction 2 1 2 1 1 Function Configuration 2 1 2 2 Basic Sequence 2 1 2 2 1 Basic Operation Sequence 2 1 ...

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Page 35: ...standby Interval between the end of WAIT or LSTR and input of print command from SCNT board or interval between the end of LSTR and turnoff of power supply To make the host machine ready for printing INTR initial rotation Interval between the input of print command from SCNT and turnon of the pickup solenoid To stabilize the photosensitive drum as a preparation for printing Also to clean the trans...

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Page 37: ...Chapter 3 Original Exposure System ...

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Page 39: ... 3 2 1 1 Outline 3 3 3 3 Parts Replacement Procedure 3 5 3 3 1 Scanner Unit 3 5 3 3 1 1 Preparation for Removing the Control Panel Assembly 3 5 3 3 1 2 Removing the Control Panel Assembly 3 5 3 3 2 Book Motor 3 5 3 3 2 1 Preparation for Removing the Flat Bed Motor 3 5 3 3 2 2 Removing the Flat Bed Motor 3 5 3 3 3 Contact Sensor 3 6 3 3 3 1 Removing the Contact Sensor 3 6 ...

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Page 41: ...g the contact sensor item function method document exposure LED document scan Book mode scan by the shift of the contact Book mode scan by the shift of the contact sensor CS ADF document stream reading by fixed contact sensor CS scanning resolution 600 dpi horizontal scanner X 600 dpi vertical scanner number of gradations 256 gradations magnification 50 to 200 horizontal image processing by SCNT b...

Page 42: ...Chapter 3 3 2 F 3 1 drive belt drive pulley drive pulley contact sensor Book motor M2 ...

Page 43: ...ore If no duct is detected for three times the document is scanned at A position In case the dust is detected at A position it moves to B position to perform dust detection twice If no dust is detected at B position the document is scanned at B position In case the dust is also detected at B position it moves to C position to perform dust detection once In case the dust is also detected at C posit...

Page 44: ...Chapter 3 3 4 T 3 2 Position Description A Reference position for scanning B Approx 0 5mm from the reference point C Approx 1 0mm from the reference point ...

Page 45: ...r Removing the Flat Bed Motor 0016 5032 1 Remove the front cover 2 Remove the right cover 3 Remove the left cover 4 Remove the rear cover 5 Remove the control panel assembly 3 3 2 2 Removing the Flat Bed Motor 0016 5033 1 Open the copyboard glass cover 1 and remove it upward Pull out the hinge 2 on the left side while keeping it tilted toward the back Place the detached copyboard glass cover on cl...

Page 46: ... hinge 2 on the left side while tilting it toward the rear side Be sure to put the copyboard glass cover that you detached onto the mount etc so as not to damage the cable 2 Remove the 4 screws 3 and detach the copyboard glass cover 4 3 Remove the copyboard glass cover 5 Be sure not to get the bottom surface of the scanner glass soiled F 3 14 4 Remove the 2 spacers 1 5 Remove the contact sensor un...

Page 47: ...Chapter 3 3 7 7 Turn the contact sensor 1 in the direction shown by the arrow remove the 2 shafts 2 and then remove the contact sensor 1 F 3 18 ...

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Page 49: ...Chapter 4 Original Feeding System ...

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Page 51: ... 4 2 Detection Jams 4 2 4 2 1 Jam Detection 4 2 4 3 ADF 4 3 4 3 1 Pick up Roller 4 3 4 3 1 1 Removing the ADF Pickup Roller 4 3 4 3 2 ADF Motor 4 3 4 3 2 1 Preparation for Removing the ADF Motor 4 3 4 3 2 2 Removing the ADF Motor 4 3 4 3 3 Separation Pad 4 4 4 3 3 1 Removing the Separation Pad 4 4 ...

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Page 53: ...escends ascends in conjunction with the gear 2 on the end of the pickup roller shaft F 4 2 When the originals are moving through the machine By the CW drive of the DF motor M3 which is transmitted to the pickup roller via the gear spring clutch and results in positive rotation of the pickup roller original pickup is performed At this point the gear on the pickup roller shaft rotates positively as ...

Page 54: ...e original length that can be scanned with this equipment is less than 400 mm Passing of the original longer than this results in jam stop The original length is calculated by the time it takes from detection of the leading edge of the original to detection of the trailing edge of the original MEMO There is no function to detect the original size original width length in this equipment 4 2 Detecti...

Page 55: ...1 E ring 2 to remove the ADF pick up roller shaft 3 F 4 8 6 Remove the 1 E ring 1 to remove the ADF pickup roller 2 Do not touch the roller with bare hands F 4 9 4 3 2 ADF Motor 4 3 2 1 Preparation for Removing the ADF Motor 0016 5052 1 Remove the front cover 2 Remove the right cover 3 Remove the left cover 4 Remove the rear cover 5 Remove the control panel assembly 4 3 2 2 Removing the ADF Motor ...

Page 56: ...remove the ADF motor cover 4 F 4 14 6 Remove the ADF motor 3 2 screws 1 1 cable tube 2 F 4 15 4 3 3 Separation Pad 4 3 3 1 Removing the Separation Pad 0016 5054 1 Open the ADF cover 1 F 4 16 2 Remove the separation pad 1 in the direction of the arrow F 4 17 Points to Note when Attaching Insert the spring 1 of the separation pad into the boss 2 F 4 18 ...

Page 57: ...Chapter 5 Laser Exposure ...

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Page 59: ...aser Light 5 2 5 3 1 Auto Photoelectric Current Control APC 5 2 5 4 Controlling the Laser Scanner Motor 5 3 5 4 1 Overview 5 3 5 4 2 Scanner Motor Speed Control 5 3 5 4 3 Detection of Fault of the Scanner Motor 5 3 5 5 Parts Replacement Procedure 5 4 5 5 1 Laser Scanner Unit 5 4 5 5 1 1 Preparation for Removing the Laser Scanner Unit 5 4 5 5 1 2 Removing the Laser Scanner Unit 5 4 ...

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Page 61: ...MEMO E100 When the error related to the following laser exposure occurs error code E100 is lit BD fault If BDI signal cannot be detected in 0 1 sec after forced acceleration of the scanner motor or the specified value of BDI signal cycle cannot be detected for 2 sec or more after the scanner motor reached the specified rotation it should be judged as BD fault Scanner fault If BDI signal cannot be ...

Page 62: ...laser control signal CNT0 CNT1 turned into LD APC mode the laser driver emits LD forcedly 2 After being detected with the photodiode PD the LD emission level as current is converted to the one as voltage and compared with the reference voltage the voltage equivalent to the target laser level 3 The laser driver controls the laser current until it reaches the voltage of LD target level 4 When the la...

Page 63: ...T board monitors the frequency comparator to judge if the scanner motor rotates at the specified rotation frequency When the following statuses occur CPU judges that there is a fault or error and stops the engine At the same time it notices the details of the error to the SCNT board 1 Scanner fault If BDI signal cannot be detected 1 5 sec after completing forced acceleration of the scanner motor e...

Page 64: ...ion for Removing the Laser Scanner Unit 0016 5036 1 Remove the front cover 2 Remove the right cover 3 Remove the left cover 4 Remove the DCNT board 5 5 1 2 Removing the Laser Scanner Unit 0016 5037 1 Remove the shutter arm 1 2 Remove the 4 screws 2 to remove the laser scanner unit 3 F 5 4 ...

Page 65: ...Chapter 6 Image Formation ...

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Page 67: ...ocess 6 1 6 2 Driving and Controlling the High Voltage System 6 3 6 2 1 Generation of Transfer Charging Bias 6 3 6 3 Toner Cartridge 6 3 6 3 1 Toner Level Detection 6 3 6 4 Parts Replacement Procedure 6 4 6 4 1 Transfer Charging Roller 6 4 6 4 1 1 Removing the Transfer Charging Roller 6 4 ...

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Page 69: ...roller to be ready for the formation of the next latent image F 6 1 6 1 2 Print Process 0016 1840 The print process shows the basic operation process for image formation by the printer The print process of this machine has the main 5 blocks and 7 steps The toner image is formed on papers by following the steps of each block The following is the outline of the blocks and steps of the print process ...

Page 70: ...oner on the photosensitive drum to a paper Step 5 Separation Separates the paper from the photosensitive drum 4 Fixing block The toner image is fixed on the paper Step 6 Fixing 5 Drum cleaning block The residual toner on the photosensitive drum is removed Step 7 Drum cleaning Removes the residual toner on the photosensitive drum ...

Page 71: ...s is the bias to return the residual toner on the transfer charging roller to the photosensitive drum at the time of warm up or last rotation sequence The transfer charging DC negative bias is applied to the transfer charging roller The transfer charging DC positive bias is changed due to the instruction of the DCNT board To realize appropriate transfer density the DCNT board changes the voltage o...

Page 72: ...r 2 F 6 3 3 Unhook the 2 claws 1 and the claw 2 to remove the transfer charging roller 3 with the transfer guide 4 in the direction of the arrow F 6 4 Do not touch the roller with bare hands Points to Note when Attaching Insert the spring 1 into the boss 2 of the bushing Push in the transfer guide 3 until it stops F 6 5 4 Remove the transfer charging roller 2 from the transfer guide 1 F 6 6 ...

Page 73: ...Chapter 7 Pickup and Feed System ...

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Page 75: ...tationary Jam 7 3 7 3 3 2 Delivery Stationary Jam 7 3 7 3 4 Other Jams 7 3 7 3 4 1 Door Open Jam 7 3 7 3 4 2 Wrapping Jam 7 3 7 3 4 3 Residual Jam at Startup 7 4 7 4 Duplex Unit 7 5 7 4 1 Overview 7 5 7 5 Parts Replacement Procedure 7 6 7 5 1 Main Motor 7 6 7 5 1 1 Preparation for Removing Main Motor 7 6 7 5 1 2 Removing Main Motor 7 6 7 5 2 Separation Pad 7 6 7 5 2 1 Preparation for Removing Sepa...

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Page 77: ...803 and delivery paper width sensor PS804 and they detect either the arrival or passage of paper If a paper does not arrive or pass each sensor except the fixing paper width sensor within the predetermined time CPU on the DCNT board judges as a jam and notify the occurrence of jam to the SCNT board The diagrammatic illustration for each motor solenoid and sensor is shown below F 7 1 1 Face down de...

Page 78: ...spring A paper pushed up with the lifting plate is picked up by the rotation of the pickup roller and fed to inside of the machine 4 After a certain period of time that the leading edge sensor PS801 detects the leading edge of picked up paper the DCNT board transmits the laser beam detection signal BD to the SCNT board 5 Based on the BD signal the SCNT board transmits the video signal to the laser...

Page 79: ...65 sec from the detection of the leading edge of paper with the leading edge sensor PS801 the DCNT board judges as the delivery delay jam 7 3 3 Stationary Jams 7 3 3 1 Pickup Stationary Jam 0016 1849 If the trailing edge of paper cannot be detected after passing about 5 4 sec since the leading edge sensor PS801 detects the leading edge of paper the DCNT board judges as the pickup stationary jam 7 ...

Page 80: ...or PS801 or the paper width sensor PS802 detects a paper at the start of initial rotation CPU judges as the residual jam at startup When there is paper in inside the machine the leading edge sensor flag is pushed up with paper and paper having is judged F 7 3 Paper PS802 PS801 PS802 PS801 ...

Page 81: ...803 the duplexing drive solenoid SL2 is turned on and the drive of the main motor M1 is transmitted to the delivery roller and the duplexing feed roller By turning the delivery roller in reverse direction the paper is lead to the duplexing feed unit and sent to the feed roller via duplexing feed roller There is no sensor on the duplexing paper s feeding path to detect the arrival passage of paper ...

Page 82: ...motor 2 F 7 5 7 5 2 Separation Pad 7 5 2 1 Preparation for Removing Separation Pad 0016 5042 1 Remove the front cover 2 Remove the right cover 3 Remove the left cover 4 Remove the rear cover 7 5 2 2 Removing Separation Pad 0016 5044 1 Remove the 2 screws 1 and remove the separation pad 2 F 7 6 7 5 3 Pickup Roller 7 5 3 1 Removing Pickup Roller 0016 5045 1 Open the control panel 1 2 Open the printe...

Page 83: ...Chapter 8 Fixing System ...

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Page 85: ...f the Fixing Unit 8 3 8 2 1 1 Fixing Temperature Control 8 3 8 3 Protection Function 8 4 8 3 1 Protection Function 8 4 8 4 Parts Replacement Procedure 8 6 8 4 1 Fixing Unit 8 6 8 4 1 1 Preparation for Removing Fixing Assembly 8 6 8 4 1 2 Removing Fixing Assembly 8 6 8 4 2 Fixing Film Unit 8 6 8 4 2 1 Preparation for Removing Fixing Film Unit 8 6 8 4 2 2 Removing Fixing Film Unit 8 6 ...

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Page 87: ...ilm with the fixing heater it gives heat to passing papers The thermistor TH1 locates at the center of the fixing heater H1 and detects the temperature of the heater The temperature fuse TP1 locates at the top center of the fixing heater If the temperature of the fixing heater increases abnormally it blocks power supply to the heater by meltdown The temperature control of the fixing assembly compo...

Page 88: ...Chapter 8 8 2 F 8 2 1 Pressure roller 2 Fixing film H1 Fixing heater TH1 Thermistor TP1 Temperature fuse 1 TP1 TH1 H1 2 ...

Page 89: ...re of the fixing heater is detected with the thermistor located on the fixing heater When the surface temperature of the fixing heater increases the resistance value of the thermistor is decreased and the voltage of the fixing heater temperature detection signal of the thermistor is decreased The CPU IC902 on the DCNT board monitors the voltage of the FSRTH signal By outputting the fixing heater d...

Page 90: ...unctions 1 Protection function with CPU 2 Protection function with the fixing heater safety circuit 3 Protection function with the temperature fuse The description of each function is as follow 1 Protection Function with CPU CPU always monitors voltage of the fixing heater temperature detection signal sent from the thermistor If the fixing temperature greatly exceeds the specified value CPU judges...

Page 91: ... from the CPU 3 Protection function with the temperature fuse If the temperature of the fixing heater abnormally increases and the temperature of the temperature fuse exceeds about 230 deg C the temperature fuse meltdown to block the power distribution to the fixing heater Failure of fixing assembly Thermistor temperature Heater temperature detection time From the start of temperature control unti...

Page 92: ... F 8 6 3 Disconnect the connector 1 and remove the cable white 2 from the cable guide F 8 7 4 Unhook the 3 claws 1 and remove the delivery sensor 2 F 8 8 5 Remove the 3 screws 1 and remove the fixing assembly 2 F 8 9 8 4 2 Fixing Film Unit 8 4 2 1 Preparation for Removing Fixing Film Unit 0016 5048 1 Remove the front cover 2 Remove the right cover 3 Remove the left cover 4 Remove the rear cover 5 ...

Page 93: ... 8 8 7 F 8 11 3 Recline the 2 pressure release levers 1 and remove the 2 springs 2 4 Remove the fixing film unit 4 2 pressure release levers 1 2 pressure plates 3 Do NOT touch the roller with bare hands F 8 12 ...

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Page 95: ...Chapter 9 External and Controls ...

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Page 97: ...nit 9 4 9 3 8 SCNT Board 9 4 9 3 8 1 Preparation for Removing the SCNT Board 9 4 9 3 8 2 Removing the SCNT Board 9 4 9 3 8 3 Actions At Replacing the SCNT Board 9 4 9 3 9 DCNT Board 9 4 9 3 9 1 Preparation for Removing the DCNT Board 9 4 9 3 9 2 Removing the DCNT Board 9 4 9 3 10 Analog Processor PCB 9 6 9 3 10 1 Preparation for Removing the Analog processor PCB 9 6 9 3 10 2 Removing the Analog pr...

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Page 99: ...ng overcurrent or over overvoltage there is a protecting function for overcurrent overvoltage to automatically shut the output voltage to avoid fault of power supply PCB In the case that the protecting function for overcurrent overvoltage is activated it recovers by turning off the main power switch to handle the load trouble and then turning on the main switch again Also there are 2 pc of fuses i...

Page 100: ...ve the right cover 3 Remove the left cover 9 3 2 2 Removing the Rear Cover 0016 4965 1 Remove the 2 shafts 1 and detach the rear cover 2 F 9 4 2 Remove the rear cover 2 3 4 screws 1 2 claws 2 F 9 5 9 3 3 Right Cover 9 3 3 1 Removing the Right Cover 0016 4966 1 Remove the front cover 2 Unhook the 6 claws 1 and detach the right cover 2 F 9 6 9 3 4 Left Cover 9 3 4 1 Removing the Left Cover 0016 4972...

Page 101: ...or Removing the Upper Cover 0016 4980 1 Remove the front cover 2 Remove the right cover 3 Remove the left cover 4 Remove the rear cover 5 Remove the control panel 6 Remove the printer cover 9 3 5 2 Removing the Upper Cover 0016 4981 1 Remove the 4 screws 1 and detach the upper cover 2 F 9 13 9 3 6 Cartridge Cover 9 3 6 1 Preparation for Removing the Printer Cover 0016 4982 1 Remove the front cover...

Page 102: ... right cover 3 Remove the left cover 4 Remove the rear cover 5 Remove the frame 1 11 screws 2 F 9 18 6 Remove the Analog processor PCB 7 Remove the SCNT board 1 9 connectors 2 4 flatcables 3 9 screws 4 F 9 19 9 3 8 3 Actions At Replacing the SCNT Board 0016 5066 Outputting report Before replacing the SCNT board output and record the report for the information such as the user setting and the setti...

Page 103: ...nnect the 2 connectors 1 located at the left side and put them in side the left side plate through the holes 2 F 9 23 5 Disconnect the 6 connectors 1 and free the cable 2 through the hole of PCB 6 Free the cable 3 from the cable clamp 4 F 9 24 7 Disconnect the connector 1 to remove the flat cable 2 F 9 25 Points to Note When Attaching Make sure to put the flat cable 3 through the hole 4 8 Remove t...

Page 104: ...g the NCU Board 0016 5016 1 Remove the NCU board 1 1 connector 2 3 screws 3 F 9 31 9 3 12 Power Supply PCB 9 3 12 1 Preparation for Removing the Power Supply Board 0016 5017 1 Remove the front cover 2 Remove the right cover 3 Remove the left cover 4 Remove the rear cover 9 3 12 2 Removing the Power Supply Board 0016 5018 1 Remove the power supply board 3 2 connectors 1 6 screws 2 F 9 32 9 3 13 Hig...

Page 105: ...ective terminals stamped as RED and BLACK 3 Remove the high voltage power supply board 3 10 connectors 1 5 screws 2 F 9 35 9 3 14 Motor Driver PCB 9 3 14 1 Preparation for Removing the Motor driver PCB 0016 5030 1 Remove the front cover 2 Remove the right cover 3 Remove the left cover 4 Remove the rear cover 5 Remove the frame 1 11 screws 2 F 9 36 9 3 14 2 Removing the Motor driver PCB 0016 5031 1...

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Page 107: ...Chapter 10 Maintenance and Inspection ...

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Page 109: ... 10 1 10 2 Consumables 10 1 10 2 1 Consumable 10 1 10 3 Periodical Service 10 1 10 3 1 Periodically Service Items 10 1 10 4 Cleaning 10 1 10 4 1 Cleaning Items 10 1 10 4 2 Cleaning Method External Covers 10 1 10 4 3 Cleaning Method Reader Unit 10 2 10 4 4 Cleaning Method Pressure Roller 10 2 ...

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Page 111: ... External covers When they are smudged Copyboard glass When the image read from the copyboard is smudged Backside of copyboard cover When the image read from the copyboard is smudged ADF reading area When the image read from the ADF has a black line in vertical direction Document pickup roller When document pickup performance drops away Scraper When document separating performance drops away Docum...

Page 112: ...er and wipe off the smudge with the soft dry cloth 6 Copyboard glass Open the copyboard cover and wipe off the smudge with the soft dry cloth 7 ADF reading area Open the copyboard cover and wipe off the smudge with the soft dry cloth 10 4 4 Cleaning Method Pressure Roller 0016 1879 MEMO Cleaning the roller takes approximately 130 seconds 1 Press Additional Functions 2 Press or to select ADJUST CLE...

Page 113: ...Chapter 11 Measurement and Adjustments ...

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Page 115: ...s 11 1 Scanning System 11 1 11 1 1 Procedure after Replacing the CIS 11 1 11 1 2 Procedure after Replacing the Copyboard Glass 11 1 11 2 Electrical Adjustments 11 1 11 2 1 Procedure after Replacing the SCNT board 11 1 ...

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Page 117: ...tomatically After completion of automatic adjustment OK is displayed 11 2 Electrical Adjustments 11 2 1 Procedure after Replacing the SCNT board 0016 1883 If you have replaced the SCNT board with a new one perform the following operations Outputting report Before replacing the SCNT board output and record the report for the information such as the user setting and the setting of the service mode S...

Page 118: ...Chapter 11 11 2 ...

Page 119: ...Chapter 12 Correcting Faulty Images ...

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Page 121: ...nts 12 1 Outline of Electrical Components 12 1 12 1 1 Clutch Solenoid Motor Fan 12 1 12 1 1 1 List of Solenoids Motors 12 1 12 1 2 Sensor 12 2 12 1 2 1 List of Sensors 12 2 12 1 3 PCBs 12 3 12 1 3 1 List of PCBs 12 3 ...

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Page 123: ...al Components 12 1 1 Clutch Solenoid Motor Fan 12 1 1 1 List of Solenoids Motors 0016 2071 F 12 1 Symbol Name M1 Main motor M2 Book motor M3 DF motor SL1 pickup solenoid SL2 duplexing drive solenoid FAN Heat discharge fan M1 FAN SL2 SL1 M3 M2 ...

Page 124: ...l Name PS105 DES sensor PS106 DS sensor PS801 PS802 leading edge paper width sensor PS803 delivery sensor PS804 delivery paper width sensor PS805 Multi purpose pickup sensor SR1 CS home position sensor TS101 Toner level sensor PS106 PS804 PS803 PS801 PS802 PS805 PS105 TS101 SR1 ...

Page 125: ...12 1 3 PCBs 12 1 3 1 List of PCBs 0016 2070 F 12 3 Symbol Name 1 NCU board 2 Analog processor PCB 3 SCNT board 4 Motor driver PCB 5 DCNT board 6 Power supply PCB 7 High voltage PCB SW301 Door switch SW301 1 2 3 4 5 6 7 ...

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Page 127: ...Chapter 13 Error Code ...

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Page 129: ...3 1 13 1 1 List of Error Codes 13 1 13 2 Fax Error Codes 13 3 13 2 1 Outline 13 3 13 2 1 1 Error Code Outline 13 3 13 2 2 User Error Code 13 3 13 2 2 1 User Error Code 13 3 13 2 3 Service Error Code 13 3 13 2 3 1 Service Error Code 13 3 ...

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Page 131: ...the connector of the fixing film unit Replace the fixing film unit Replace the DC controller PCB E010 0000 Main motor failure The main motor is faulty Check the connector of the main motor Replace the main motor Replace the DC controller PCB E100 0000 BD detection PCB failure The BD detection PCB is faulty Check the connector of the BD detection PCB Replace the laser scanner unit Replace the DC co...

Page 132: ...ssion 751 Yes Failed to connect to server Socket level Disconnected the network Socket is closed 752 Yes Yes Yes Failed to connect to server Socket level Disconnected the network Socket is closed 753 Yes Yes Yes Yes Yes Occurred socket errors other than E751 E752 755 Yes Yes Yes It started beginning to transmit before the network was connected 801 Yes Yes Yes Returned error from SMTP server SMTP p...

Page 133: ...Rx image memory overflow at time of reception has occurred 0059 Tx The number you dial and connected number CSI does not match 0995 0099 Tx Rx a memory communication reservation has been cancelled No Tx Rx Description 0100 Tx at time of transmission the procedural signal has been transmitted more than specified 0101 Tx Rx the modem speed does not match that of the other party 0102 Tx at time of tr...

Page 134: ...al signal has been transmitted more than specified after transmission of PPS EOM 0765 Tx at time of ECM transmission no meaningful signal is received after transmission of PPS EOP causing the procedural signal to be transmitted more than specified 0767 Tx at time of ECM transmission DCN is received after transmission of PPS EOP 0768 Tx at time of ECM transmission the procedural signal has been tra...

Page 135: ...Chapter 14 Service Mode ...

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Page 137: ...ions of Bit 2 14 9 14 3 6 SSSW SW12 14 9 14 3 6 1 List of Functions 14 9 14 3 7 SSSW SW13 14 10 14 3 7 1 List of Functions 14 10 14 3 7 2 Detailed Discussions of Bit 2 14 10 14 3 8 SSSW SW14 14 10 14 3 8 1 List of Functions 14 10 14 3 8 2 Detailed Discussions of Bit 2 14 10 14 3 8 3 Detailed Discussions of Bit 4 14 10 14 3 9 SSSW SW18 14 10 14 3 9 1 List of Functions 14 10 14 3 9 2 Detailed Discus...

Page 138: ...reamble identification length 14 14 14 5 15 056 061 Count type select 14 14 14 6 Scanner Function Settings SCANNER 14 17 14 6 1 Numeric Parameter Functional configuration 14 17 14 6 2 031Vertical scan start position adjustment 14 18 14 6 3 033Vertical scan magnification correction 14 18 14 6 4 035 036 Reader motor speed change 14 18 14 6 5 041 Vertical scan start position adjustment when scanning ...

Page 139: ...14 25 14 13 1 2 Test Mode Menu List 14 26 14 13 2 DRAM Test 14 27 14 13 2 1 D RAM Test 1 D RAM TEST 14 27 14 13 3 Scan Test 14 28 14 13 3 1 Scan Test 2 SCAN TEST 14 28 14 13 4 Print Test 14 28 14 13 4 1 Print Test 3 PRINT TEST 14 28 14 13 5 Modem Test 14 28 14 13 5 1 MODEM Test 4 MODEM TEST 14 28 14 13 6 Faculty Test 14 31 14 13 6 1 FUNCTION TEST 6 FUNCTION TEST 14 31 14 13 7 Cleaning Mode 14 34 1...

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Page 141: ...ntrol functions such as the selection signal transmission conditions and the detection conditions for the control signals sent from the exchange FAX Do not use SCAN These setting items are for image adjustment in scanning PRINT These setting items are for image adjustment in printer assembly and for special mode for the field related measures NETWORK Do not use CODEC Do not use SYSTEM These are us...

Page 142: ...MERIC Param 2 Selecting a Bit Switch Select the bit using the key key 3 Press the OK key 5 Registering Setting Data Enter data using the keypad and press the OK 6 Press the Additional functions Stop Reset key to and the service mode NUMERIC Param 3 NUMER I C P a r am 0 0 1 0 0 1 0 0 2 0 0 2 0 0 10 4 Selecting a Bit Switch Select the bit using the key key 1 Selecting Service Mode Press the Addition...

Page 143: ...0 NCC pause time post ID code setting 007 009 not used 010 5500 55sec 0 9999 line connection identification time length 011 3500 35sec 0 9999 T 30 T1 timer for reception 012 not used 013 1300 13sec 500 3000 T30 EOL timer 014 not used 015 120 1200ms 0 999 hooking detection time setting 016 4 4sec 0 9 fax tel switch over function between line acquisition and pseudo RBTtransmission 017 100 1000ms 0 9...

Page 144: ...art position adjustment 032 Not used 033 32 0 to 64 one unit 0 1 Vertical scan magnification correction 034 Not used 035 036 423 Book motor speed adjustment 037 040 Not used 041 0 0 to 70 one unit 0 1mm Vertical scan start position adjustment scanning on ADF 042 046 Not used 047 32 0 to 64 one unit 0 1 Vertical scan magnification correction scanning on ADF 048 32 0 to 64 one unit 0 1 Horizontal sc...

Page 145: ...03 0 Not used NETWORK Not used CODEC Not used SYSTEM No Initial setting Range of setting Function SYSTEM SW SW01 SW02 not used SW03 00001000 Import export of the user information via USB SW04 SW50 not used SYSTEM NUMERIC 001 100 not used ACC Not used COUNTER Item Function TOTAL total counter PICK_UP pickup related counter FEEDER feeder counter JAM jam related counter MISC not used REPORT Setting F...

Page 146: ...RR Not used ALARM Not used CARD Not used ERR E355 Not used E719 Not used PWD Use it to clear the system administrator s password FILE SYSTEM Delete unnecessary language files in the USB memory FORMAT USB MEMORY Format the USB memory This mode is used when the USB memory error is damaged and E744 occurs LICENSE DRIVE Not used ALL Use it to clear all settings registration data except the counter den...

Page 147: ... a 1080 Hz tonal signal before transmission of the CED signal Select transmit if errors occur frequently because of an echo when reception is from overseas Memo Any of the following error code may be indicated because of an echo at time of reception 0005 0101 0106 0107 0114 0200 0201 0790 Bit Function 1 0 0 service error code output not output 1 not used 2 not used 3 not used 4 not used 5 not used...

Page 148: ...lect the time length during which low speed signals are ignored after transmission of the CFR signal If the condition of the line is not good and therefore the reception of image signals is difficult select 1500 ms 14 3 4 5 Detailed Discussions of Bit 6 0016 2010 Selects whether or not to transmit CNG signal during manual transmission In manual transmitting to a fax with the FAX TEL switching mode...

Page 149: ...t follow and select an appropriate time length When do not enable is selected using bit 7 the time out length for a single page for all modes will depend on the setting of bit 0 and bit 1 T 14 6 T 14 7 T 14 8 6 not used 7 not used Bit Function 1 0 0 Time out period for one page upon transmission 1 0 1 Time out period for one page upon transmission 1 0 2 not used 3 not used 4 Time out period for on...

Page 150: ...her to declare or not declare an inch configuration resolution to the other machine for G3 communication if declare is selected the machine will indicate that it reads and records at an inch configuration resolution using the DIS DCS or DTC signal 14 3 9 SSSW SW18 14 3 9 1 List of Functions 0016 2022 T 14 11 32 min 1 1 0 64 min 1 1 1 Bit Function 1 0 0 not used 1 not used 2 Convert inch into mm wh...

Page 151: ...Called number is selected the telephone number the fax called is displayed on reports When Other fax number is selected the telephone number sent from the other fax the CSI signal data is displayed on reports 14 3 10 3 Detailed Discussions of Bit 2 0016 2027 When Disregard is selected the received blank CSI is disregarded and a dialed number if any is displayed on LCD report When Receive is select...

Page 152: ...ohibit is selected teh transmitter does not fall back 14 3 12 SSSW SW30 14 3 12 1 List of Functions 0016 2035 T 14 14 14 3 12 2 Detailed Discussions of Bit 5 0016 2036 When Detect with the new method is selected tone is detected for 3 5 seconds before call origination in order to discriminate between dial tone and voice If dial tone is detected and the time since line seizure is 3 5 seconds or lon...

Page 153: ... 34 primary channel 14 4 6 No 009 V 34 data speed upper limit 0016 2047 Use it to set an upper limit to the data transmission speed for the V 34 primary channel between 2 4K and 33 6K bps in increments of 2400 bps 0 2 4K to 13 33 6K bps 14 4 7 No 010 Frequency of the pseudo CI signal 0016 2048 You may select a frequency for the pseudo CI signal Some types of external telephones do not ring when th...

Page 154: ... 14 5 7 013 T 30 EOL timer 0016 2055 Set it so that the 1 line transmission time is longer for reception to prevent reception errors caused by a long data length per line e g computer FAX 14 5 8 016 time length to first response at time of fax tel switchover 0016 2057 Allows setting of the time from seizing the line till pseudo RBT is sent when the Fax Tel switching function is operating 14 5 9 01...

Page 155: ...d change bit 2 to 1 SSSW SW33 Seri al No on cou nter chec k scre en Counter type Print system Bk 1 sided L Bk 1 sided S Bk 2 sided L Bk 2 sided S Local copy PDL print FAX print Repo rt print Local copy PDL print FAX print Repo rt print Local copy PDL print FAX print Repo rt print Local copy PDL print FAX print Repo rt print 101 Total1 1 1 1 1 1 1 1 1 102 Total2 2 2 2 2 1 1 1 1 103 Total L 1 1 1 1 ...

Page 156: ...2 1 1 307 PrintA L 1 1 308 PrintA S 1 1 313 Print Bk1 1 1 1 1 314 Print Bk2 2 2 1 1 319 Print Bk L 1 1 320 Print Bk S 1 1 329 Print Bk L 1 1 330 Print Bk S 2 sided 1 1 331 PDL print Total1 1 1 332 PDL print Total2 2 1 333 PDL print L 1 334 PDL print S 1 339 PDL print Bk1 1 1 340 PDL print Bk2 2 1 345 PDL print Bk L 1 346 PDL print Bk S 1 355 PDL print Bk L 2 sided 1 356 PDL print Bk S 1 403 Copy P...

Page 157: ...re DB BoxF scan E mail FileS hare DB Box Total scan Total scan E mail scan FileS hare DB scan E mail FileS hare DB scan FileS hare DB scan E mail FileS hare DB BOX scan Total scan 501 Scan Total1 1 1 505 Bk scan Total1 1 1 506 Bk scan Total2 2 1 507 Bk scan L 1 508 Bk scan S 1 509 C scanTotal 1 1 1 510 C scanTotal 2 2 1 511 C scan L 1 512 C scan S 1 915 Transmission scan total2 C 1 916 Transmissio...

Page 158: ...The larger the adjustment value the more the image stretches in the vertical scan ning direction 14 6 7 048 Horizontal scan magnification correction when scanning on a document fed from ADF 0016 2082 Correct the magnification of horizontal scanning of a document fed from the ADF The smaller the adjustment value the more the image stretches in the horizontal scanning direction This menu is used to ...

Page 159: ...unit 0016 2094 Adjust the left end registration margin of paper picked from a duplex unit The larger the adjustment value the wider the left end margin of the image becomes 14 7 2 4 053 Margin adjustment at the leading edge of the copy 0016 2103 Adjust the margin at the leading edge of the copy Increasing the value makes the margin at the leading edge larger 14 7 2 5 054 Margin adjustment at the t...

Page 160: ...e counter all clear Execute service mode CLEAR COUNTER to clear all maintenance counters 2 Not used 3 Not used 4 Not used 5 Not used 6 Imports and exports user information via USB Enable Disable 7 Not used Maintenance counter list Item Counter Explanation TOTAL Total counter SERVICE1 Service total counter 1 SERVICE2 Service total counter 2 TTL Total counter COPY Total copy counter PDL PRT PDL prin...

Page 161: ... service soft switch output SSSW MENU NUMERIC Param SPECIAL NCU SCAN PRINT SYSTEM ROM start date SYSTEM DATA LIST Service mode service soft switch output SSSW MENU NUMERIC Param SPECIAL NCU SCAN PRINT SYSTEM ROM start date System dump list output SYSTEM DUMP LIST Transmission count reception count record chart count error count and other outputs COUNTER REPORT Counter output ERROR LOG LIST Not use...

Page 162: ...r each modem speed 5 Total number of pages transmitted received in connection with different modem speeds Standard Fine Super Fine Ultra Fine 6 Total number of pages transmitted and received for each coding method 7 Total number of pages transmitted and received in each mode 8 Total number of pages printed scanned 9 Total number of occurrences for error code T 14 20 It provides error information o...

Page 163: ...n received 7 bit 1 through bit 96 of DIS DCS or DTC that has been transmitted 8 RX procedural signal received TX procedural signal transmitted 14 10 4 Counter List 0016 2114 Explanation Maintenance counter output For more detailed information about the maintenance counter output execute service mode Display counter information Counters 01 2 01 2 01 2 01 2 01 2 01 2 01 2 01 2 3 3 3 3 3 3 3 3 3 3 01...

Page 164: ...039 OPTYION ROM USB MEMORY DELIVERY FULL SENSOR 1 DELIVERY FULL SENSOR 2 USB SERIAL No MAC ADDRESS BACKUP BATTERY LUGIA _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

Page 165: ...ears the maintenance counter parts counter and mode specific counters Initializes the counter numerator in the system dump list TYPE Initializes user data and service data to suit specified destination settings SOFT CNT Not used HST ACTIVITY Initializes the activity report ACCOUNT Not used JAM Not used ERR Not used ALARM Not used CARD Not used ERR E355 Not used E719 Not used PWD Clears the system ...

Page 166: ...delivery roller or ADF pickup roller by idling them 14 13 1 2 Test Mode Menu List 0016 2121 Test mode menu list To invoke test mode follow these steps 1 Enter service mode Press the operation panel Additional functions key 2 key 8 key and Additional functions key in this order 2 Press the operation panel arrow keys to show TEST MODE 3 Press the OK key T 14 22 Numerals enclosed in parentheses denot...

Page 167: ...st 0 G3 SIGNAL TX TEST 300bps 1 G3 SIGNAL TX TEST 2400bps 2 G3 SIGNAL TX TEST 4800bps 3 G3 SIGNAL TX TEST 7200bps 4 G3 SIGNAL TX TEST 9600bps 5 G3 SIGNAL TX TEST TC7200bps 6 G3 SIGNAL TX TEST TC9600bps 7 G3 SIGNAL TX TEST 12000bps 8 G3 SIGNAL TX TEST 14400bps 9 G3 SIGNAL TX TEST TC9600bps G3 SIGNAL TX TEST 12000bps G3 SIGNAL TX TEST 14400bps 6 MODEM TEST Tonal sign reception test 8 G3 V 34 Tx TEST...

Page 168: ... the print test Press numeric keypad keys 2 and 4 during the print test to generate test patterns as described below Two kinds of service test patterns are available Other test patterns are reserved for factory development purposes Numeric keypad key 2 2 BLACK All black output Numeric keypad key 4 4 ENDURANCE Black belt output To cancel test printing press the stop key F 14 8 14 13 5 Modem Test 14...

Page 169: ...equency use the keypad MEMO The frequency and the output level of individual frequencies are in keeping with the output level set in service mode Keypad Type Description 1 Relay test Use it to turn on off a selected relay to execute a switch over test 2 Frequency test The modem sends tonal signals from the modular jack and the speaker 4 G3 signal transmission test The modem sends G3 signals from t...

Page 170: ...F signal received from the telephone line terminal can be checked to find out if it was detected by the modem F 14 11 V 34 G3 Signal Transmission Test A press on 8 on the keypad from the MODEM test menu selectes the V 34 G3 signal transmission test The V 34 G3 signals below are sent from the modem using the modular jack and the speaker by pressing the start key The Baud rate can be changed with th...

Page 171: ...the status of the unit sensors from LCD indications Press numeric keypad key 3 on the FUNCTION TEST menu to select the sensor test LCD indications change as the associated sensors turn on and off 12000bps 14400bps 16800bps 19200bps 21600bps 24000bps 26400bps 28800bps 31200bps 33600bps Keypad Item Explanation 1 G3 signal transmission test Transmits 4800 bps G3 signals to a telephone line and speake...

Page 172: ...ce a total black display LED lamp test Press the start key after the LCD test to select the LCD lamp test turning on all lamps on the operation panel Operation key test Press the start key after the LCD lamp test to select operation key test 1 The test succeeds if the characters appearing in the LCD are erased when the correspond ing keys are pressed When the entire character display is erased ope...

Page 173: ... frequency The LCD also displays the on hook or off hook state of an external telephone set as detected The LCD displays from left to right CI CI frequency hook port and FC with indications of 1 ON and 0 OFF C OK key N 2 Sided key D Additional Functions key O Enagy Saver key E Status Monitor key P Clear key F Collate 2 on 1 key R COPY key G Image Quality key S SCAN key H Enlarge Reduce key U ID ke...

Page 174: ...signal is detected on the telephone line connection terminal the LCD display changes from OFF to ON indicating the received frequency The LCD displays the status of CML CNG and FED detection from left to right with ON OFF indications Numeric keypad key 3 turns off the CML relay to detect CNG 14 13 7 Cleaning Mode 14 13 7 1 Roller cleaning mode 0 ROLLER CLEAN 0016 2150 Roller cleaning mode 0 ROLLER...

Page 175: ...Chapter 15 Service Tools ...

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Page 177: ...Contents Contents 15 1 Service Tools 15 1 15 1 1 Solvents Lubricants Table 15 1 ...

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Page 179: ...als Grease Buildup Toner Buildup Alcohols Do not put close to fire Source locally 2 Lubricating Oil Apply to the gear Apply in between the shaft and the shaft support Special oil Special solid lubricant agent Lithium soap Molykote EM 50L Produced by Dow Corning Corporation Tool number HY9 0007 3 Lubricating Oil Apply in between the pressure roller shaft and the grounding plate Carbon black Graphit...

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Page 181: ...Jul 18 2007 ...

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