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Содержание Laser Shot LBP-5100

Страница 1: ...Feb 26 2007 Service Manual LBP5000 5100 Series ...

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Страница 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...

Страница 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...

Страница 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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Страница 7: ...guration 2 1 2 1 1 Outline 2 1 2 2 Basic Sequense 2 1 2 2 1 Basic Sequence of Operation 2 1 2 2 2 Power On Sequence 2 1 2 3 LASER EXPOSURE SYSTEM 2 2 2 3 1 Overview Configuration 2 2 2 3 1 1 Outline 2 2 2 3 2 Laser Control 2 4 2 3 2 1 Outline 2 4 2 3 2 2 Laser Emission Control 2 4 2 3 2 3 Automatic power control APC 2 5 2 3 2 4 Horizontal synchronous control 2 5 2 3 2 5 Image Mask Control 2 5 2 3 ...

Страница 8: ...tecting the Level of Toner 2 19 2 4 5 Transfer Unit 2 19 2 4 5 1 ETB Unit 2 19 2 4 5 2 ETB Cleaning 2 20 2 5 Pickup Feeding Delivery System 2 21 2 5 1 Overview Configuration 2 21 2 5 1 1 Outline 2 21 2 5 2 Other Control 2 23 2 5 2 1 Outline 2 23 2 5 2 2 Picking Up Paper from the Cassette 2 24 2 5 2 3 Picking Up Paper from the Manual Feeder 2 24 2 5 2 4 Moving the Print Paper 2 24 2 5 2 5 Transport...

Страница 9: ... Upper Cover 3 5 3 2 4 1 Preparation for Removing the Upper Cover 3 5 3 2 4 2 Removing the Upper Cover 3 5 3 2 4 3 The former procedure of removing the Upper Cover 3 5 3 2 4 4 Removing the Upper Cover 3 5 3 2 5 Front Cover 3 5 3 2 5 1 Preparation for Removing the Front Cover 3 5 3 2 5 2 Removing the Front Cover 3 5 3 2 5 3 The former procedure of removing the Front Cover 3 6 3 2 5 4 Removing the F...

Страница 10: ... Voltage Power Supply PCB 3 20 3 2 17 Sub High Voltage Power Supply PCB 3 20 3 2 17 1 Preparation for Removing the Sub High Voltage Power Supply PCB 3 20 3 2 17 2 Removing the Sub High Voltage Power Supply PCB 3 21 3 2 18 Machine Outside Environment Sensor 3 21 3 2 18 1 The former procedure of removing the Site Environment Sensor 3 21 3 2 18 2 Removing the Site Environment Sensor 3 21 3 2 19 Cartr...

Страница 11: ...ving the Separation Pad 3 32 3 5 5 2 Removing the Separation Pad 3 32 3 5 6 Manual Paper Sensor 3 32 3 5 6 1 Preparation for Removing the Manual Feed Paper Sensor 3 32 3 5 6 2 Removing the Manual Feed Paper Sensor 3 32 3 5 6 3 The former procedure of removing the Manual Feeder Paper Sensor 3 33 3 5 6 4 Removing the Manual Feeder Paper Sensor 3 33 3 5 7 Registration Before Sensor 3 33 3 5 7 1 Prepa...

Страница 12: ...port Guide 4 1 4 4 7 Delivery Roller 4 1 4 4 8 Fixing Inlet Guide 4 1 4 4 9 Fixing Pressure Roller 4 1 4 4 10 Electrostatic Eliminator Unit 4 2 4 4 11 Fixing Pressure Roller 4 3 4 5 User Maintenance 4 3 4 5 1 Outline 4 3 4 5 2 List Of Special Print Mode 4 4 4 5 3 Outline 4 4 4 5 4 List Of Special Print Mode 4 5 Chapter 5 TROUBLESHOOTING 5 1 Countermeasures 5 1 5 1 1 Image Faults 5 1 5 1 1 1 Out of...

Страница 13: ... Mode Items 5 11 5 6 2 2 Service Mode Items 5 11 Chapter 6 APPENDIX 6 1 OUTLINE OF ELECTRICAL COMPONENTS 6 1 6 1 1 Clutch Solenoid 6 1 6 1 1 1 Solenoids 6 1 6 1 1 2 Solenoids 6 1 6 1 2 Motor Fan 6 2 6 1 2 1 Motors and Fans 6 2 6 1 2 2 Motors and Fans 6 3 6 1 3 Sensor 6 4 6 1 3 1 Sensors 6 4 6 1 3 2 Sensors 6 5 6 1 4 PCBs 6 6 6 1 4 1 PCBs 6 6 6 1 4 2 PCBs 6 7 ...

Страница 14: ...Contents ...

Страница 15: ...Chapter 1 PRODUCT DESCRIPTION ...

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Страница 17: ... 1 2 1 3 1 Product Specifications 1 2 1 3 2 Product Specifications 1 3 1 4 Name of Parts 1 4 1 4 1 External View 1 4 1 4 2 Cross Section View 1 6 1 5 Using the Machine 1 7 1 5 1 Control Panel 1 7 1 6 Safety 1 8 1 6 1 Safety of the Laser Light 1 8 1 6 2 Regulations Under the Center for Devices and Radiological Health CDRH 1 8 1 6 3 Handling the Laser Unit 1 8 1 6 4 Safety of Toner 1 8 ...

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Страница 19: ...tation Belt ETB The machine uses an ETB for movement of media and transfer of images The direct transfer of color images from the photosensitive drum to media has enable a significant increase in printing speed 2 Four consecutive drum method Inline method The machine uses a 4 drum construction in which 4 toner cartridges are arranged in a straight line for one shot transfer of 4 colors Compared wi...

Страница 20: ...ensitive medium OPC drum Charging method Roller charging Exposure method Laser scanning Development method Toner projection development Transfer method By Electrostatic Transportation Belt Separation method Curvature Pickup method By cassette manual feeder Cassette pickup method By separation pad Drum cleaning method By blade Trasnsfer cleaning method Drum static collection Fixing method On demand...

Страница 21: ... not possible Auto gradation correction Available Operating environment Temperature range 10Å 30Åé Operating environment Humidity range 10 Å 80 RH Operating environment Atmospheric pressure l810 6 to 1013 3 hpa 0 8 to 1 0 atm Noise 25 dB or less standby 50 dB or less print Power supply rating 110 127 V 50 60 Hz 220 240 V 50 60 Hz Power consumption Maximum 110 127V 746W or less 220 240V 769W or les...

Страница 22: ...onarch Envelope B5 label sheet transparency Black and white printing only Multifeeder tray paper type Same as for cassette Duplex paper type Plain paper 60 to 90g m2 Heavy paper 91 to 105g m2 Cassette capacity 250 sheets 64 g m2 Multifeeder tray capacity 1 sheet Delivery tray stack 125 sheets plain paper 64 g m2 Memory 16MB addition not possible Auto gradation correction Available Operating enviro...

Страница 23: ...Chapter 1 1 5 F 1 3 1 Delivery tray 2 Right cover 3 Paper guide 4 Cassette 5 Manual feeder slot 6 Front cover 7 Lamp unit 1 2 3 4 6 5 7 ...

Страница 24: ...10 7393 LBP5000 LBP5100 1 Left cover 2 Rear cover 3 Cassette protective cover 4 Expansion board slot 5 USB port 6 Grounding wire terminal 7 Power supply switch 8 Power supply receptacle 9 Test Print Switch On the DC controller PCB 6 8 1 2 3 7 5 4 9 ...

Страница 25: ... LEDs that go on or flash as follows F 1 6 1 Delivery roller 2 Fixing pressure roller 3 ETB 4 Transfer roller 5 Registration shutter 6 Registration roller 7 Separation pad 8 Pickup roller 9 Developing cylinder 10 Photosensitive roller 11 Primary charging roller 12 Fixing film unit 13 Toner cartridge 14 Laser scanner block 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 ...

Страница 26: ...not be adjusted in the field The following label is attached to the cover of the unit F 1 8 1 6 4 Safety of Toner 0010 5919 LBP5000 LBP5100 The machine s toner is a non toxic material composed of plastic iron and small amounts of dye Do not put the toner into fire It may explode Toner on the Skin or Clothes 1 If your skin or clothes came into contact with toner use dry tissue to remove the toner a...

Страница 27: ... 2 Do not use warm or hot water which will cause the toner to jell permanently fusing it with the fibers of the clothes 3 Do not bring toner into contact with vinyl material They are likely to react with each other ...

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Страница 29: ...Chapter 2 TECHNICAL REFERENCE ...

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Страница 31: ...m cleaning block 2 12 2 4 2 High Voltage Control 2 13 2 4 2 1 Outline 2 13 2 4 2 2 Outline 2 13 2 4 2 3 Generation of the Primary Charging Bias 2 14 2 4 2 4 Generation of the Developing Bias 2 14 2 4 2 5 Generation of the Transfer Bias 2 14 2 4 2 6 Generation of the Fixing Bias 2 15 2 4 2 7 Electrostatic eliminate bias 2 15 2 4 2 8 ETB drive roller bias 2 15 2 4 3 Image Stabilizaton Control 2 15 2...

Страница 32: ...2 5 4 Duplex Feeding 2 28 2 5 4 1 Outline 2 28 2 5 4 2 Duplexing feed operation 2 30 2 5 4 3 Duplexing Driver PCB 2 30 2 6 FIXING UNIT SYSTEM 2 31 2 6 1 Overview Configuration 2 31 2 6 1 1 Outline 2 31 2 6 2 Various Control Mechanisms 2 32 2 6 2 1 Fixing Temperature Control 2 32 2 6 2 1 1 Fixing Temperature Control 2 32 2 6 2 1 2 Fixing Temperature Control 2 33 2 6 3 Protective Functions 2 34 2 6 ...

Страница 33: ...Contents 2 8 3 2 Overview of the Block 2 39 ...

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Страница 35: ...ality check Detect scanner failure fixing unit failure and door open during the above periods 10 Communication with memory tag 11 Cartridge presence detection Interval Description Remarks WAIT wait From when the power is turned on until the initial drive of the main motor stops To eliminate the drum surface potential and to clean the ETB The machine checks the presence absence of cartridges during...

Страница 36: ...e laser driver PCB and the scanner motor These components are grouped as a laser scanner unit and are controlled by the DC controller PCB F 2 2 Video controller BDI34 SCNACC12 SCNDEC12 BDI12 LDCTRL10 LDCTRL11 LDCTRL20 LDCTRL21 VDO1 VDO1 VDO2 VDO2 SCNACC22 SCNDEC22 LDCTRL30 LDCTRL31 LDCTRL40 LDCTRL41 VDO3 VDO3 VDO4 VDO4 PDOUT3 PDOUT4 PDOUT1 PDOUT2 DC Controller Laser driver PCB Collimator lens Cyli...

Страница 37: ... sequence to execute a print job 1 In response to the print command for the video controller PCB the DC controller PCB rotates the scanner motor to turn the scanner mirror 2 When the scanner motor starts to rotate the DC controller PCB turns on the laser and obtains BD input signal from the BD sensor The DC controller PCB finds out the speed of rotation of the scanner motor with reference to the t...

Страница 38: ...dividual laser driver ICs which control the laser activation based on the combination of laser control signals The machine controls its laser activation in the following 4 modes as dictated by the laser control signals 1 laser activation control turns on or off the laser diode according to the video signal 2 auto photo current control APC makes sure that the intensity of the laser diode is at a sp...

Страница 39: ...t to the DC controller PCB 4 The DC controller PCB generates the horizontal sync signal M BD1 C BD2 based on BDI12 and sends the result to the video controller PCB 5 In response to the BD1 and BD2 signal the video controller PCB sends video signals VDO1 VDO1 VDO2 VDO2 to the DC controller PCB so that the image write position will be correct in horizontal direction 1 The term unblanking period is u...

Страница 40: ...anner mirrors occurring while the scanner motor is rotated at a specific speed thereby eliminating the variation in rotation between lines and ultimately preventing displacement of color in sub scanning direction 2 3 3 2 Speed Control 0011 1388 LBP5000 LBP5100 The machine controls the scanner motor so that it rotates at a specific speed as follows 1 When the scanner motor starts up the DC controll...

Страница 41: ... frequency range reaches a specific value in terms of print distance about 23 mm If this condition occurs while image mask control is deactivated the machine will identify it not as a fault but as a BD error MEMO While the scanner motor is rotating normally and image mask remains deactivated the machine will identify a BD error if the frequency of the BDI signal once deviates from a specific frequ...

Страница 42: ...tosensitive drum Step 1 Primary charging Step 2 Laser beam exposure 2 Developing block Make the electrostatic latent image on the photosensitive drum surface visible by applying toner Step 3 Development 3 Transfer block Transfer a toner image on the photosensitive drum onto paper Laser beam Video controller Print command Video signal Laser scanner unit Primary charging roller Developing cylinder P...

Страница 43: ...the laser beam retains negative charges dark area while the area exposed by the laser beam is rid of negative charges The resulting pattern is not visible to the human eye thus the name electrostatic latent image 5 Separation 4 Transfer Photosensitive drum Photosensitive drum 4 Transfer ETB belt Photosensitive drum Cleaning block 7 Drum cleaning Electrostatic latent image formation block 1 Primary...

Страница 44: ... over the surface of the photosensitive drum the charges in the light area are neutralized forming a latent static image F 2 12 2 4 1 4 Developing block 0010 6058 LBP5000 LBP5100 In this block toner is deposited over the latent static image on the surface of the photopositive drum turning it into a visible image The machine uses a toner projection method to develop images in combination with non m...

Страница 45: ...m and also to enhance the contrast of the output image an AC bias is applied to the developing cylinder The machine changes the developing bias according to the image density information signal from the video controller to vary the difference in potential of the sur face of the cylinder and that of the photosensitive drum thus permitting the adjustment of the image density The development sheet is...

Страница 46: ...st and does not require power while the machine is in a standby state Its wait time moreover is short and is generally characterized by its high energy efficiency The machine applies a positive DC bias to the fixing pressure roller to increase the retention of negatively charged toner on print paper thus conversely preventing the adhesion of unwanted toner on the fixing film offset 2 4 1 7 Drum cl...

Страница 47: ...re roller The 2 different biases the static eliminating bias and the ETB drive roller bias are applied to prevent the toner from straying when a print separated from the ETB unit These high voltage biases are generated by DC controller PCB controlling the high voltage power supply PCB This circuit is schematically shown below Primary charging roller Photosensitive drum Transfer roller ETB Bk cartr...

Страница 48: ... applies a combination of these 2 types of biases to the developing cylinder of the cartridge at specific timing The level of the developing bias varies according to the instructions from the DC controller PCB 2 4 2 5 Generation of the Transfer Bias 0010 6084 LBP5000 LBP5100 The transfer bias TR1 TR2 TR3 TR4 is used to move the toner image from the surface of the photosensitive drum to the print p...

Страница 49: ...r passes through the fixing unit 2 4 3 Image Stabilizaton Control 2 4 3 1 Overview of the Image Stabilization Control Mechanism 0010 6074 LBP5000 LBP5100 The machine uses its image stabilization control mechanism to prevent lowering of image quality e g in the form of a faulty image otherwise caused by changes in the environment or deterioration of the photosensitive drum or toner The machine s im...

Страница 50: ...correction mechanism is executed by the DC controller PCB through control of the color displacement density sensor SR10 and the color displacement sensor SR11 for the following conditions when the power is turned on or the door is closed after a cartridge has been replaced when a specific number of prints have been made on a job basis when the user requests the execution of calibration The machine...

Страница 51: ...e of the default value as the color displacement value E194 none of the patches of the color displacement pattern has been detected CPR sensor detection error the result of measurement is outside a specific range 2 4 4 Toner Cartridge 2 4 4 1 Outline 0010 7902 LBP5000 LBP5100 The cartridge is equipped with a mechanism used to form a visible image on the surface of the photosensitive drum using ton...

Страница 52: ...ge is absent on the status window If detecting an improper insertion of the cartridge the PCB shows the message Toner cartridge is not mounted on the correct position on the status window 2 4 4 4 Detecting the End of Life of the Cartridge 0010 7906 LBP5000 LBP5100 The machine monitors the cartridges to see if any of them has reached the end of its life The DC controller checks the following 3 type...

Страница 53: ...y the toner not reaching the light receiving segment On the other hand when there is little toner the light moves through to reach the light receiving segment The DC controller PCB identifies the level of toner remaining inside with reference to the period of time during which light hits the light receiving segment while the stirring plate makes a single rotation The DC controller communicates the...

Страница 54: ... from the belt to the photosensitive drum to prevent soiling of the back of print paper The cleaning mechanism is executed by the DC controller for the following when a jam has occurred when calibration has been suspended when a specific number of prints have been made when color displacement correction has been executed when image stabilization has been executed When ETB cleaning starts the DC co...

Страница 55: ...s to pick up and move print paper and includes various feed rollers The machine has 2 pickup slots cassette and manual feeder On the other hand the face down tray is its only delivery slot C cartridge Waste toner container Y cartridge M cartridge Bk cartridge DC positive bias DC negative bias DC negative bias Negative potential waste toner Positive potential waste toner ...

Страница 56: ... control of 3 motors main motor M1 fixing delivery motor M2 pickup motor M3 and 3 solenoids SL1 SL2 SL3 The paper path is equipped with 3 photointerrupters SR1 SR4 SR5 to find out whether paper has reached or moved past a specific point of the path In addition to these sensors 2 photointerrupters are used to check the locking unlocking of the fixing assembly SR9 and the width of print paper SR8 Th...

Страница 57: ...R5 Pre fixing paper sensor SR8 Paper width sensor SR9 Pressure alienation sensor M1 Main motor M2 Fixing Delivery motor M3 Pick up motor SL1 Cassette pick up solenoid SL2 MCY developing cylinder drive solenoid SL3 Bk developing cylinder drive solenoid SR4 SR5 SR9 SR8 SR1 SR3 SR2 SL3 SL2 SL1 M1 M3 M2 MANNUAL FEED SLOT PAPER signal PSLOTSNS CASSETTE PAPER signal CSTSNS DC controller PCB PICK UP MOTO...

Страница 58: ...eparation mechanism makes sure no more than one sheet of paper is picked up 2 5 2 3 Picking Up Paper from the Manual Feeder 0010 6135 LBP5000 LBP5100 The manual feeder accepts a single sheet of paper inserted into the manual feeder slot and moves it into the machine The machine s manual feeder slot is not equipped with a pickup roller and the registration roller functions as the pickup roller The ...

Страница 59: ...identical If the speed of rotation of the fixing pressure roller is lower than that of the ETB however the arching will increase resulting in a disruption in the image or wrin kling of the paper The presence of a discrepancy in speed will cause the pre fixing paper detection signal LOOPSNS to go Low and in response the DC con troller PCB increases the rotation speed of the fixing delivery motor to...

Страница 60: ...sensor If the shift sensor indicates the state of engagement during printing and then fails to indicate the state when a jam has occurred the DC controller PCB will identify the condition as being a fault in the auto fixing assembly release mechanism and will indicate E840 in the status window F 2 30 Fixing pressure roller rotational speed ETB rotational speed Fixing pressure roller rotational spe...

Страница 61: ...nce of a pickup stationary jam 2 5 3 3 2 Delivery Stationary Jam 0010 6148 LBP5000 LBP5100 The CPU checks for a delivery stationary jam after it has made sure that the jam in question is not a wrap jam If the fixing delivery sensor SR4 indicates the presence of paper after the machine has fed paper over a distance of 50 mm as determined with reference to the length of paper detected by the registr...

Страница 62: ...dy for the other side printing The duplexing driver controls two motors duplexing feed motor M6 and reverse motor M7 to drive each feed roller of the duplexing feed unit It also controls the reverse solenoid SL5 to drive the duplexing deflector The top cover is openable and closeable for removing paper jams occurred in the reverse unit Therefore the top cover open sensor SR7 is utilized for the to...

Страница 63: ...1 M1 M3 M7 M2 M6 MANNUAL FEED SLOT PAPER signal PSLOTSNS CASSETTE PAPER signal CSTSNS TOP COVER OPEN signal DCVRSNS DC controller PCB PICK UP MOTOR DRIVE signal PICK UP SOLENOID DRIVE signal FEEDSL MAIN MOTOR DRIVE signal MCY DEVELOPING CYLINDER DRIVE SOLENOID DRIVE signal DEV123SL BK DEVELOPING CYLINDER DRIVE SOLENOID DRIVE signal DEV4SL PRESSURE ALIENATION signal FSRPRSSNS FIXING DELIVERY signal...

Страница 64: ...ng feed motor M6 after specified time to feed the paper to the duplexing pick up position At this time the paper is fed while hitting its edge to the left guide by the oblique roller to be corrected its skew feeding 4 If the duplexing driver has received the duplexing pick up command at this point the paper is fed to the registration roller If it has not the paper is stopped once and fed to the re...

Страница 65: ... area of the fixing heater around the middle and is used to monitor the temperature of the heater Sub thermistor TH2 contact type thermistor TH2 is in contact with the edge of the fixing heater and is used to monitor the temperature of the edge of the fixing heater Thermal fuse The thermal fuse is used to prevent overheating of the fixing heater The fuse is mounted around the middle of the fixing ...

Страница 66: ...ntrol so that the temperature of the fixing heater will be identical to the target temperature during printing In continuous printing mode the machine changes the target temperature in stages according to the specified number of prints 4 Sheet to Sheet Temperature Control The machine executes sheet to sheet temperature control to prevent overheating of the fixing pressure roller between sheets in ...

Страница 67: ...er the end of the previous print job the previous printing temperature is used for the upcoming print job 3 Printing Temperature Control The machine executes printing temperature control so that the temperature of the fixing heater will be identical to the target temperature during printing In continuous printing mode the machine changes the target temperature in stages according to the specified ...

Страница 68: ... 2 The fixing heater safety circuit stops the sub thermistor relay drive signal RLD 3 The relay drive circuit turns off the relay RL901 to cut off power to the heater 3 Protective Mechanisms by the Thermal Fuse The inside of the thermal fuse will melt at about 220 deg C thereby cutting the power to the fixing heater 2 6 3 2 Fault Detection 0010 6162 LBP5000 LBP5100 The CPU will assume the presence...

Страница 69: ...low voltage power supply does not generate DC voltage therefore it is likely that the over current protective mechanism or the over voltage protective mech anism has gone on turn off the power switch SW801 remove the cause of the activation and then turn the power switch back on In addition to these the circuit is provided with 2 power fuses FU801 FU901 In response to over current in the AC line t...

Страница 70: ...anual is executed when cleaning is executed 2 7 1 2 3 Connection Power Supply Detection 0010 6169 LBP5000 LBP5100 The machine is capable of identifying the type 100V system or 200V system of the low voltage power supply used by the printer engine The identification is by the CPU with reference to REM24V when a 100V power supply is connected to the printer engine the REM24V signal will go High whil...

Страница 71: ...scanner block 2 communication with video control 3 control of high voltage power supply PCB 4 control of main motor DC controller PCB Cassette paper sensor Video controller PCB 3 3V 5V 24V Pick up motor Laser Scanner unit Memory controller Fixing Delivery motor Main motor Option M M M 2 5V SL SL SL Primary charging roller Developing cylinder Photosensitive drum Memory tag High voltage power supply...

Страница 72: ...0 sec or more 2 8 3 Video Controller PCB 2 8 3 1 Outline 0010 8662 LBP5000 LBP5100 The video controller receives print information from external devices e g host computer by way of interface cables The information contains a CAPT command used to communicate printer status and printer specific characteristics and dot data which is the result of conversion of print data by the host computer The data...

Страница 73: ...n IC1 SDRAM Retains image data IC3 CPU Controls the board IC5 Reset IC Resets the board IC6 SSCG Performs clock modulation Generates modulation clock signals used by the system clock IC7 ASIC Serves as an IC for USB device controller memory controller video controller and NIC interface controller IC8 PWM Converts image data from the ASIC into data by pulse width modulation IC9 IC10 IC11 Monitors s...

Страница 74: ...Chapter 2 2 40 IC12 Logic IC Converts voltage levels Notation Name Description ...

Страница 75: ...Chapter 3 DISASSEMBLY AND ASSEMBLY ...

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Страница 77: ...6 3 2 5 4 Removing the Front Cover 3 6 3 2 6 Delivery Tray 3 7 3 2 6 1 Removing the Delivery Tray 3 7 3 2 6 2 Removing the Delivery Tray 3 7 3 2 7 Face down Cover 3 7 3 2 7 1 Preparation for Removing the Face Down Cover 3 7 3 2 7 2 Removing the Face Down Cover 3 7 3 2 7 3 The former procedure of removing the Face Down Cover 3 7 3 2 7 4 Removing the Face Down Cover 3 7 3 2 8 Main Drive Unit 3 8 3 2...

Страница 78: ... Environment Sensor 3 21 3 2 19 Cartridge Fan 3 21 3 2 19 1 Preparation for Removing the Cartridge Fan 3 21 3 2 19 2 Removing the Cartridge Fan 3 21 3 2 19 3 The former procedure of removing Removing the Cartridge Fan 3 21 3 2 19 4 Removing the Cartridge Fan 3 21 3 2 20 Fixing Fan 1 3 21 3 2 20 1 Preparation for Removing the Fixing Fan 3 21 3 2 20 2 Removing the Fixing Fan 3 22 3 3 LASER EXPOSURE ...

Страница 79: ...stration Before Sensor 3 33 3 5 7 1 Preparation for Removing the Registration Sensor 3 33 3 5 7 2 Removing the Registration Sensor 3 33 3 5 7 3 The former procedure of removing the Registration Sensor 3 33 3 5 7 4 Removing the Registration Sensor 3 34 3 5 8 Duplexing Reverse Motor 3 34 3 5 8 1 Preparation for Removing the Duplexing Reversing Motor 3 34 3 5 8 2 Removing the Duplexing Reversing Moto...

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Страница 81: ... limit its exposure to light no matter how short it may be 2 The power plug must be disconnected for safety before starting to disassemble or assemble the machine 3 Unless otherwise indicated assembly is the reverse of disassembly in terms of the sequence of steps to perform 4 The screws and fixings must be identified correctly in terms of type length diameter and location 5 The machine must not b...

Страница 82: ... Rear Cover 0010 6493 LBP5000 1 Remove the rear cover 1 2 screws 2 3 claws 3 F 3 3 3 2 2 Right Cover 3 2 2 1 Preparation for Removing the Right Cover Right Cassette Cover 0015 7605 LBP5100 1 Remove the delivery tray page 3 7 Reference Removing the Delivery Tray 2 Detach the rear cover page 3 2 Reference Removing the Rear Cover 3 2 2 2 Removing the Right Cover Right Cassette Cover 0015 7552 LBP5100...

Страница 83: ...t cassette cover 1 from the right cover 5 claws 2 F 3 11 3 2 2 3 Removing the Right Cover Right Cassette Cover 0010 6978 LBP5000 1 Remove the delivery tray page 3 7 Reference Removing the Delivery Tray 2 Remove the top cover 1 2 claws 2 F 3 12 3 Open the front cover 1 F 3 13 4 Remove the 4 screws 1 F 3 14 5 Lift the upper cover 1 slightly and detach the right cover 2 2 screws 3 3 claws 4 F 3 15 F ...

Страница 84: ...tte Cover 4 Detach the upper cover page 3 5 Reference Removing the Upper Cover 3 2 3 2 Removing the Left Cover Left Cassette Cover 0015 7555 LBP5100 1 Detach the left cover 1 1 screw 2 1 claw 3 2 hooks 4 F 3 20 F 3 21 2 Detach the left cassette cover 1 from the left cover 2 claws 2 F 3 22 3 Remove the left handle 1 from the left cover 2 screws 4 F 3 23 3 2 3 3 The former procedure of removing the ...

Страница 85: ...ray page 3 7 Reference Removing the Delivery Tray 2 Remove the right cover right cassette cover page 3 3 Reference Removing the Right Cover Right Cassette Cover 3 2 4 4 Removing the Upper Cover 0010 6554 LBP5000 1 Remove the upper cover 1 1 connector 2 F 3 29 3 2 5 Front Cover 3 2 5 1 Preparation for Removing the Front Cover 0015 7558 LBP5100 1 Remove the delivery tray page 3 7 Reference Removing ...

Страница 86: ...Right Cassette Cover 3 Remove the upper cover page 3 5 Reference Removing the Upper Cover 4 Remove the left cover left cassette cover page 3 4 Reference Removing the Left Cover Left Cassette Cover 3 2 5 4 Removing the Front Cover 0010 6470 LBP5000 1 Open the front cover 2 Lift the ETB unit 1 slightly and pick the link arm 2 to detach the shaft of the arm F 3 35 3 Lift the ETB unit 1 slightly and p...

Страница 87: ... Cover 4 Detach the upper cover page 3 5 Reference Removing the Upper Cover 5 Detach the left cover page 3 4 Reference Removing the Left Cover Left Cassette Cover 3 2 7 2 Removing the Face Down Cover 0015 7562 LBP5100 1 Detach the face down cover 1 2 claws 2 F 3 44 3 2 7 3 The former procedure of removing the Face Down Cover 0011 1400 LBP5000 1 Remove the delivery tray page 3 7 Reference Removing ...

Страница 88: ...ft cover page 3 4 Reference Removing the Left Cover Left Cassette Cover 6 Detach the front cover page 3 5 Reference Removing the Front Cover 3 2 8 2 Removing the Main Drive Assembly 0015 7564 LBP5100 1 Remove the rear plate 1 11 screw 2 F 3 46 2 Disconnect the flat cable 1 F 3 47 3 Remove the duplexing driver PCB mount 1 2 connectors 2 2 screws 3 F 3 48 4 Disconnect the 7 connectors 1 and disengag...

Страница 89: ...F 3 54 9 Remove the following parts including the gear 1 claw 1 1 bushing 2 1 spring 3 1 gear 4 1 bushing 5 F 3 55 F 3 56 10 Remove the ETB drive cam 1 1 E ring 2 F 3 57 11 Lower the right and left ETB lock levers 1 F 3 58 12 Remove the bushing 1 F 3 59 13 Remove the gear 1 F 3 60 14 Remove the main drive assembly 1 8 screws 2 F 3 61 ...

Страница 90: ...ain drive assembly and check if the cartridge coupling arm is attached correctly F 3 64 3 2 8 3 The former procedure of removing the Main Drive Assembly 0011 0994 LBP5000 1 Remove the delivery tray page 3 7 Reference Removing the Delivery Tray 2 Remove the rear cover page 3 2 Reference Removing the Rear Cover 3 Remove the right cover right cassette cover page 3 3 Reference Removing the Right Cover...

Страница 91: ...right ETB locking lever 1 F 3 75 10 Remove the bearing 1 F 3 76 11 Remove the gear 1 F 3 77 12 Remove the main drive assembly 1 8 screws 2 F 3 78 F 3 79 The main drive assembly requires adjustment after assembly In other words it must not be disassembled in the field Notes for installing the main drive assembly If the CRG coupling arm is disengaged at disassembly of the main drive as sembly be sur...

Страница 92: ...emove the high voltage power supply PCB page 3 19 Reference Removing the High Voltage Power Supply PCB 7 Detach the face down cover page 3 7 Reference Removing the Face Down Cover 3 2 9 2 Removing the Duplexing Drive Assembly 0015 7943 LBP5100 1 Remove the plate 1 2 screws 2 F 3 82 2 Remove the plate 1 2 screws 2 F 3 83 3 Disconnect the 3 connectors 1 and disengage the cable from the cable guide 2...

Страница 93: ... F 3 88 3 2 11 DC Controller PCB 3 2 11 1 Preparation for Removing the DC Controller PCB 0015 7567 LBP5100 1 Remove the delivery tray page 3 7 Reference Removing the Delivery Tray 2 Detach the rear cover page 3 2 Reference Removing the Rear Cover 3 Detach the right cover page 3 2 Reference Removing the Right Cover Right Cassette Cover 3 2 11 2 Removing the DC Controller PCB 0015 7568 LBP5100 1 Rem...

Страница 94: ...100 1 Remove the rear plate 1 11 screws 2 F 3 95 2 Remove the video controller PCB 1 1 connector 2 2 flat cables 3 4 screws 4 F 3 96 F 3 97 When replacing the video controller PCB make sure to remove the NVRAM ICS1 1 from the old PCB and mount it to the new one F 3 98 3 2 12 3 The former procedure of removing the Video Controller PCB 0011 1000 LBP5000 1 Remove the delivery tray page 3 7 Reference ...

Страница 95: ...very Tray 2 Detach the rear cover page 3 2 Reference Removing the Rear Cover 3 Detach the right cover page 3 2 Reference Removing the Right Cover Right Cassette Cover 4 Detach the upper cover page 3 5 Reference Removing the Upper Cover 5 Detach the left cover page 3 4 Reference Removing the Left Cover Left Cassette Cover 6 Remove the high voltage power supply PCB page 3 19 Reference Removing the H...

Страница 96: ...h Voltage Power Supply PCB 3 2 13 4 Removing the Memory Controller PCB 0011 0112 LBP5000 1 Remove the high voltage power supply PCB 2 Remove the rear cover 3 Remove the rear plate 1 11 screws 2 F 3 108 4 Remove the flat cable 1 F 3 109 5 Remove the 2 FFC retainers 1 4 claws 2 F 3 110 6 Remove the memory controller PCB 1 4 screws 2 F 3 111 When removing the memory controller PCB take care not to to...

Страница 97: ...ssette Cover 6 Remove the high voltage power supply PCB page 3 19 Reference Removing the High Voltage Power Supply PCB 7 Detach the face down cover page 3 7 Reference Removing the Face Down Cover 8 Remove the duplexing drive assembly page 3 12 Reference Removing the Duplexing Drive Assembly 3 2 15 2 Removing the Low Voltage Power Supply PCB 0015 7574 LBP5100 1 Detach the upper rear metal sheet 1 4...

Страница 98: ...5 Remove the left cover left cassette cover page 3 4 Reference Removing the Left Cover Left Cassette Cover 6 Remove the face down cover page 3 7 Reference Removing the Face Down Cover 3 2 15 4 Removing the Low Voltage Power Supply PCB 0010 7037 LBP5000 1 Remove the rear upper plate 1 4 screws 2 F 3 122 2 Remove the 9 connectors 1 and free the cable from the cable guide F 3 123 3 Remove the cable g...

Страница 99: ...er page 3 4 Reference Removing the Left Cover Left Cassette Cover 3 2 16 2 Removing the High Voltage Power Supply PCB 0015 7576 LBP5100 1 Remove the plastic sheet 1 1 screw 2 F 3 131 2 Remove the high voltage power supply PCB 1 8 connectors 2 3 screws 3 3 claws 4 F 3 132 F 3 133 When mounting the high voltage power supply PCB make sure that you can see the spring 2 from the eyehole of the contact ...

Страница 100: ...ting the high voltage power PCB check if the springs 2 can be seen through the peephole of spring contact point 1 If not be sure to install the PCB again so that the springs can be seen F 3 140 F 3 141 F 3 142 F 3 143 3 2 17 Sub High Voltage Power Supply PCB 3 2 17 1 Preparation for Removing the Sub High Voltage Power Supply PCB 0015 7618 LBP5100 1 Remove the delivery tray page 3 7 Reference Remov...

Страница 101: ... upper cover page 3 5 Reference Removing the Upper Cover 5 Detach the left cover page 3 4 Reference Removing the Left Cover Left Cassette Cover 6 Detach the front cover page 3 5 Reference Removing the Front Cover 7 Remove the main drive assembly page 3 8 Reference Removing the Main Drive Assembly 3 2 19 2 Removing the Cartridge Fan 0015 7578 LBP5100 1 Slide the cartridge fan 1 out 1 claw 2 F 3 147...

Страница 102: ... Cover 3 Detach the right cover page 3 2 Reference Removing the Right Cover Right Cassette Cover 4 Detach the upper cover page 3 5 Reference Removing the Upper Cover 5 Detach the left cover page 3 4 Reference Removing the Left Cover Left Cassette Cover 3 3 1 2 Removing the Laser Scanner Unit 0015 7580 LBP5100 1 Detach the rear metal sheet 1 11 screws 2 F 3 150 2 Disconnect the 2 connectors 1 and d...

Страница 103: ... the laser scanner unit in field 3 3 1 3 The former procedure of removing the Laser Scanner Unit 0011 1021 LBP5000 1 Remove the delivery tray page 3 7 Reference Removing the Delivery Tray 2 Remove the rear cover page 3 2 Reference Removing the Rear Cover 3 Remove the right cover right cassette cover page 3 3 Reference Removing the Right Cover Right Cassette Cover 4 Remove the upper cover page 3 5 ...

Страница 104: ...uide 1 F 3 166 5 Remove the cable guide 1 2 claws 2 F 3 167 6 Slide the cable guide 1 to the left to remove F 3 168 7 Remove the rear plate 1 11 screws 2 F 3 169 8 Remove the FFC stopper 1 2 claws F 3 170 9 Remove the laser scanner unit 1 3 screws 2 F 3 171 F 3 172 The laser scanner unit requires adjustment at the end of assembly work Do ...

Страница 105: ...2 Remove the rear cover page 3 2 Reference Removing the Rear Cover 3 Remove the right cover right cassette cover page 3 3 Reference Removing the Right Cover Right Cassette Cover 4 Remove the upper cover page 3 5 Reference Removing the Upper Cover 5 Remove the main drive assembly page 3 10 Reference Removing the Main Drive Assembly 3 4 1 4 Removing the MCY Developing Cylinder Drive Solenoid 0011 00...

Страница 106: ...id 1 1 connector 2 1 screw 3 F 3 179 3 4 3 ETB Unit 3 4 3 1 Preparation for Removing the ETB Unit 0015 7585 LBP5100 1 Remove the delivery tray page 3 7 Reference Removing the Delivery Tray 2 Detach the rear cover page 3 2 Reference Removing the Rear Cover 3 Detach the right cover page 3 2 Reference Removing the Right Cover Right Cassette Cover 4 Detach the upper cover page 3 5 Reference Removing t...

Страница 107: ...Reference Removing the Upper Cover 5 Remove the left cover left cassette cover page 3 4 Reference Removing the Left Cover Left Cassette Cover 6 Remove the front cover page 3 6 Reference Removing the Front Cover 3 4 3 4 Removing the ETB Unit 0011 0097 LBP5000 Assembly and Disassembly of ETB unit should be done with the ETB unit closed 1 Remove the inner cover 1 3 screws 2 F 3 186 2 Remove the cam 1...

Страница 108: ...while lifting the terminal 1 1 claw 3 F 3 194 3 5 PICKUP FEEDING DELIVERY SYSTEM 3 5 1 Paper Pick up Feeder Unit 3 5 1 1 Preparation for Removing the Pickup Feeding Assembly 0015 7587 LBP5100 1 Remove the delivery tray page 3 7 Reference Removing the Delivery Tray 2 Detach the rear cover page 3 2 Reference Removing the Rear Cover 3 Detach the right cover page 3 2 Reference Removing the Right Cover...

Страница 109: ...ht Cover Right Cassette Cover 4 Remove the upper cover page 3 5 Reference Removing the Upper Cover 5 Remove the left cover left cassette cover page 3 4 Reference Removing the Left Cover Left Cassette Cover 6 Remove the front cover page 3 6 Reference Removing the Front Cover 7 Remove the ETB unit page 3 27 Reference Removing the ETB Unit 8 Remove the high voltage power supply PCB page 3 20 Referenc...

Страница 110: ...1 connector 2 4 screws 3 F 3 212 F 3 213 3 5 2 Pickup Motor 3 5 2 1 Preparation for Removing the Pickup Motor 0015 7589 LBP5100 1 Remove the delivery tray page 3 7 Reference Removing the Delivery Tray 2 Detach the rear cover page 3 2 Reference Removing the Rear Cover 3 Detach the right cover page 3 2 Reference Removing the Right Cover Right Cassette Cover 3 5 2 2 Removing the Pickup Motor 0015 759...

Страница 111: ...ckup Roller 3 5 3 1 Removing the Pickup Roller 0015 7607 LBP5100 1 Place the back surface of the host machine facing downward 2 Turn the gear 1 downward to make the claws 2 of the pickup roller visible F 3 218 3 Remove the pickup roller 1 2 claws 2 F 3 219 3 5 3 2 Removing the Pickup Roller 0011 0160 LBP5000 1 Place the machine on its back 2 Turn the gear 1 in the direction indicated in the figure...

Страница 112: ...on Pad 3 5 5 1 Removing the Separation Pad 0015 7608 LBP5100 1 Remove the separation pad 1 2 screws 2 F 3 226 3 5 5 2 Removing the Separation Pad 0011 0157 LBP5000 1 Remove the separation pad 1 2 screws 2 F 3 227 3 5 6 Manual Paper Sensor 3 5 6 1 Preparation for Removing the Manual Feed Paper Sensor 0015 7593 LBP5100 1 Remove the delivery tray page 3 7 Reference Removing the Delivery Tray 2 Detach...

Страница 113: ...l feeder paper sensor 1 1 connector 2 2 claws 3 F 3 231 3 5 7 Registration Before Sensor 3 5 7 1 Preparation for Removing the Registration Sensor 0015 7595 LBP5100 1 Remove the delivery tray page 3 7 Reference Removing the Delivery Tray 2 Detach the rear cover page 3 2 Reference Removing the Rear Cover 3 Detach the right cover page 3 2 Reference Removing the Right Cover Right Cassette Cover 4 Deta...

Страница 114: ...e 3 2 Reference Removing the Rear Cover 3 Detach the right cover page 3 2 Reference Removing the Right Cover Right Cassette Cover 4 Detach the upper cover page 3 5 Reference Removing the Upper Cover 5 Detach the left cover page 3 4 Reference Removing the Left Cover Left Cassette Cover 3 5 8 2 Removing the Duplexing Reversing Motor 0015 7615 LBP5100 1 Remove the plastic film sheet 1 1 screw 2 F 3 2...

Страница 115: ... Cover Right Cassette Cover 4 Detach the upper cover page 3 5 Reference Removing the Upper Cover 5 Detach the left cover page 3 4 Reference Removing the Left Cover Left Cassette Cover 6 Detach the face down cover page 3 7 Reference Removing the Face Down Cover 3 6 1 2 Removing the Fixing Assembly 0015 7598 LBP5100 Be sure to turn off the power switch and disconnect the power code before replacing ...

Страница 116: ...re starting to remove it 1 Disconnect the 4 connectors 1 F 3 247 2 Free the cable from the harness retainer 1 F 3 248 3 Remove the 3 connectors 1 F 3 249 4 Remove the fixing assembly 1 3 screws 2 F 3 250 3 6 2 Fixing Film Unit 3 6 2 1 Preparation for Removing the Fixing Film 0015 7599 LBP5100 1 Remove the delivery tray page 3 7 Reference Removing the Delivery Tray 2 Detach the rear cover page 3 2 ...

Страница 117: ...emove the delivery upper guide 1 1 claw 2 F 3 256 7 Remove the 2 fixing pressure springs 1 F 3 257 8 Remove the inlet guide 1 1 claw 2 F 3 258 9 Detach the fixing base cover 1 5 screws 2 F 3 259 F 3 260 10 Remove the pressure plate cum 1 2 pressure release shafts 2 1 gear 3 1 parallel pin 4 1 E ring 5 1 bushing 6 1 screw 7 F 3 261 ...

Страница 118: ... right cover right cassette cover page 3 3 Reference Removing the Right Cover Right Cassette Cover 3 Remove the upper cover page 3 5 Reference Removing the Upper Cover 4 Remove the left cover left cassette cover page 3 4 Reference Removing the Left Cover Left Cassette Cover 5 Remove the face down cover page 3 7 Reference Removing the Face Down Cover 6 Remove the fixing assembly page 3 36 Reference...

Страница 119: ...e the delivery upper guide 1 1 claw 2 F 3 273 7 Remove the 2 fixing assembly pressure spring 1 F 3 274 8 Remove the inlet guide 1 1 claw 2 F 3 275 9 Remove the fixing base cover 1 5 screws 2 F 3 276 F 3 277 10 Remove the pressure plate cam 1 2 pressure release shafts 2 1 gear 3 1 parallel pin 4 1 E ring 5 1 bushing 6 1 screw 7 F 3 278 ...

Страница 120: ...e 3 4 Reference Removing the Left Cover Left Cassette Cover 6 Detach the face down cover page 3 7 Reference Removing the Face Down Cover 7 Remove the fixing assembly page 3 35 Reference Removing the Fixing Assembly 8 Remove the fixing film page 3 36 Reference Removing the Fixing Film 3 6 3 2 Removing the Fixing Pressure Roller 0015 7602 LBP5100 1 Remove the fixing pressure roller 1 1 gear 2 F 3 28...

Страница 121: ...page 3 4 Reference Removing the Left Cover Left Cassette Cover 6 Detach the face down cover page 3 7 Reference Removing the Face Down Cover 7 Remove the fixing assembly page 3 35 Reference Removing the Fixing Assembly 3 6 4 2 Removing the Fixing Delivery Motor 0015 7604 LBP5100 1 Remove the plate 1 1 screw 2 F 3 287 2 Remove the fixing delivery motor 1 2 screws 2 F 3 288 3 6 4 3 The former procedu...

Страница 122: ......

Страница 123: ...Chapter 4 MAINTENANCE AND INSPECTION ...

Страница 124: ......

Страница 125: ...4 1 4 4 1 Pickup Roller 4 1 4 4 2 Separation Pad 4 1 4 4 3 Registration Roller 4 1 4 4 4 Registration Sub Roller 4 1 4 4 5 Registration Shutter 4 1 4 4 6 Transport Guide 4 1 4 4 7 Delivery Roller 4 1 4 4 8 Fixing Inlet Guide 4 1 4 4 9 Fixing Pressure Roller 4 1 4 4 10 Electrostatic Eliminator Unit 4 2 4 4 11 Fixing Pressure Roller 4 3 4 5 User Maintenance 4 3 4 5 1 Outline 4 3 4 5 2 List Of Specia...

Страница 126: ......

Страница 127: ...000 LBP5100 Clean it with lint free paper 4 4 3 Registration Roller 0010 6229 LBP5000 LBP5100 Clean it with lint free paper If the soiling cannot be removed use alcohol 4 4 4 Registration Sub Roller 0010 6230 LBP5000 LBP5100 Clean it with lint free paper If the soiling cannot be removed use alcohol 4 4 5 Registration Shutter 0010 6231 LBP5000 LBP5100 Clean it with lint free paper If the soiling ca...

Страница 128: ...ing page F 4 3 5 Place the printout with the printed side facing up The printout will be fed into the machine thereby cleaning the fixing pressure roller 4 4 10 Electrostatic Eliminator Unit 0015 7977 LBP5100 1 Open the front door unit 2 Pinch the electrostatic eliminator unit cleaner and slide it from side to side a few times ...

Страница 129: ...nd under page setup of Printer Properties F 4 5 3 Make the following selections option utility cleaning F 4 6 4 Click the OK button to print out the cleaning page 4 5 User Maintenance 4 5 1 Outline 0011 4022 LBP5000 When a copy image fault occurs the image can be improved if the Special print processing is set in the printer driver Setting procedure of Special print processing 1 Press a button of ...

Страница 130: ... the print image may be able to be improved The media with a rough texture is used Special setting 5 When using the media with a rough texture the density of image especially the one with toners of two or more colors may become lighter In that case if setting to Special setting 5 the print image may be able to be improved Minus curling occurs Special setting 6 When using the printer under high hum...

Страница 131: ...ment and the copy image fault occurs in paper with a high value of resistance Special setting 3 When using the printer under low humidity environment or depending on the media types the marks like toner scatter around characters or patterns may be printed In that case if setting to Special setting 3 the print image may be able to be improved The media with a rough texture is used Special setting 4...

Страница 132: ......

Страница 133: ...Chapter 5 TROUBLESHOOTING ...

Страница 134: ......

Страница 135: ...ROM When E747 000 occurs 5 2 5 2 3 Adjustment of Fixing System 5 2 5 2 3 1 Checking the Nip Width fixing pressure roller 5 2 5 2 4 Adjustment of Pickup Feeding Delivery System 5 3 5 2 4 1 When Replacing the Registration Roller 5 3 5 3 SERVICE TOOLS 5 4 5 3 1 Standard Tools 5 4 5 3 2 Solvent Oil List 5 4 5 4 Location of Convectors 5 4 5 4 1 Connectors 5 4 5 5 ERROR CODE 5 7 5 5 1 Error Code 5 7 5 5...

Страница 136: ......

Страница 137: ...t the Quality page in the printer driver 2 In Quality in the page click the Settings button 3 Set No to Use Pure Black 3 How to clean the color misalignment sensor Wipe the sensor surface with a material such as lint free paper dampened with alcohol Do not wipe the sensor surface with a dry cloth If you do so the sensor sur face becomes charged and it causes stray toner 5 2 MEASUREMENT AND ADJUSTM...

Страница 138: ...ller board or EEPROM IC2S 2 Turn on the power supply of the host machine 3 Execute Option Menu Utility Calibration in the status window Memo When EEPROM was replaced a new USB serial number in EEPROM is as signed The number of the printers on PC increases when USB is connected 5 2 3 Adjustment of Fixing System 5 2 3 1 Checking the Nip Width fixing pressure roller 0010 6237 LBP5000 LBP5100 Before r...

Страница 139: ...lacing the Registration Roller 0015 9295 LBP5100 If you have replaced the registration roller of the printer be sure to reset the following counter service mode Printer Information Settings Clear Registration Roller Counter Information Paper feed direction c a b Center of A 4 sized paper ...

Страница 140: ...lade screwdriver set CK 0104 CK 0105 CK 0106 CK 0111 CK 0114 M3 M4 Length 155 mm M4 M5 Length 191 mm M4 M5 Length 85 mm 6 piece set 11 12 13 14 15 Allen wrench set File fine Allen hex screwdriver Diagonal cutting pliers Needle nose pliers CK 0151 CK 0161 CK 0170 CK 0201 CK 0202 5 piece set M4 Length 107 mm 16 17 18 19 20 Pliers Retaining ring pliers Crimper Tweezers Ruler CK 0203 CK 0205 CK 0218 C...

Страница 141: ...Chapter 5 5 5 F 5 9 ...

Страница 142: ...Chapter 5 5 6 F 5 10 ...

Страница 143: ...rs The reading of the sub thermistor is 245 deg C equivalent of 2 12 V or more for 0 5 sec or more Cause The sub thermistor is faulty The DC controller PCB is faulty E002 The warm up of the fixing assembly is faulty Particulars The reading of the main thermistor fails to reach 5 deg C 0 deg C if at power on or more within 1 sec after the heater is supplied with power Cause The main thermistor has ...

Страница 144: ...ler PCB Replace the toner cartridge E024 The toner level sensor is faulty 0000 Particulars The light receiving segment continues to receive light while the stirring plate of yellow cartridge rotates 5 times Cause The memory controller PCB is faulty The DC controller PCB is faulty The toner cartridge is faulty Replace the toner cartridge Replace the memory controller PCB Replace the DC controller P...

Страница 145: ...ly is faulty Particulars The reading of the main thermistor fails to reach 5 deg C 0 deg C if at power on or more within 1 sec after the heater is supplied with power Cause The main thermistor has an open circuit The fixing heater has an open circuit The DC controller PCB is faulty Check the connector of the low voltage power supply PCB Replace the fixing film unit Replace the DC controller PCB E0...

Страница 146: ...e The memory controller PCB is faulty The DC controller PCB is faulty The toner cartridge is faulty E052 The duplexing unit connection is faulty Particulars The duplexing unit connection is faulty Cause The duplexing driver PCD is faulty The DC controller PCB is faulty Confirm the connection between the DC controller PCB and the duplexing driver Replace the duplexing driver PCB Replace the DC cont...

Страница 147: ...le the fan motor2 is rotating Cause The fan motor2 is faulty The DC controller PCB is faulty Replace the Fixing fan Replace the DC controller PCB E806 Cartridge fan failure Particulars The fan lock detection signal FANLCK is continuously High for 10 sec or more while the fan motor1 is rotating Cause The fan motor1 is faulty The DC controller PCB is faulty Replace the cartridge fan Replace the DC c...

Страница 148: ... 2 configuration page print B configuration page print B Log Retention Settings Printer Information Settings Printer Settings Restoration When replacing the DC controller PCB rewrite the backup EEPROM data of the DC controller PCB which are stored in the EEPROM of the video controller PCB into the EEPROM of the DC controller PCB Clear Registration Roller Counter Information resets the counter read...

Страница 149: ...Chapter 6 APPENDIX ...

Страница 150: ......

Страница 151: ... 6 1 6 1 1 Clutch Solenoid 6 1 6 1 1 1 Solenoids 6 1 6 1 1 2 Solenoids 6 1 6 1 2 Motor Fan 6 2 6 1 2 1 Motors and Fans 6 2 6 1 2 2 Motors and Fans 6 3 6 1 3 Sensor 6 4 6 1 3 1 Sensors 6 4 6 1 3 2 Sensors 6 5 6 1 4 PCBs 6 6 6 1 4 1 PCBs 6 6 6 1 4 2 PCBs 6 7 ...

Страница 152: ......

Страница 153: ...MPONENTS 6 1 1 Clutch Solenoid 6 1 1 1 Solenoids 0010 9628 LBP5000 F 6 1 6 1 1 2 Solenoids 0015 9296 LBP5100 Ref Notation Name 1 SL1 Pickup solenoid 2 SL2 MCY developing cylinder drive solenoid 3 SL3 Bk developing cylinder drive solenoid 1 2 3 ...

Страница 154: ...er 6 6 2 F 6 2 6 1 2 Motor Fan 6 1 2 1 Motors and Fans 0010 9633 LBP5000 Ref Notation Name 1 SL1 Pickup solenoid 2 SL2 MCY developing cylinder drive solenoid 3 SL3 Bk developing cylinder drive solenoid 1 2 3 ...

Страница 155: ...Chapter 6 6 3 F 6 3 6 1 2 2 Motors and Fans 0015 8400 LBP5100 Ref Notation Name 1 M1 Main motor 2 M2 Fixing delivery motor 3 M3 Pickup motor 4 FM1 Cartridge fan 1 3 2 4 ...

Страница 156: ... F 6 4 6 1 3 Sensor 6 1 3 1 Sensors 0011 0930 LBP5000 Ref Notation Name 1 M1 Main motor 2 M2 Fixing delivery motor 3 M3 Pickup motor 4 M6 Duplexing feed motor 5 M7 Reverse motor 6 FM1 Cartridge fan 7 FM2 Fixing fan ...

Страница 157: ...nsor 2 SR2 Cassette paper sensor 3 SR3 Manual feeder paper sensor 4 SR4 Fixing delivery paper sensor 5 SR5 Pre fixing paper sensor 6 SR8 Paper width sensor 7 SR9 Pressure alienation sensor 8 Color misregistration Density sensor 9 Color misregistration sensor 10 Environment sensor 3 2 6 8 9 10 7 5 4 1 ...

Страница 158: ...r sensor 2 SR2 Cassette paper sensor 3 SR3 Manual feeder paper sensor 4 SR4 Fixing delivery paper sensor 5 SR5 Pre fixing paper sensor 6 SR8 Paper width sensor 7 SR9 Pressure alienation sensor 8 Color misregistration Density sensor 9 Color misregistration sensor 10 Environment sensor 3 2 6 8 9 10 7 5 4 1 ...

Страница 159: ...Chapter 6 6 7 F 6 7 6 1 4 2 PCBs 0015 8405 LBP5100 Ref Name 1 DC controller PCB 2 Low voltage power supply PCB 3 High voltage paper supply PCB 4 Memory controller PCB 5 Video controller PCB 1 2 4 3 5 ...

Страница 160: ...6 6 8 F 6 8 Ref Name 1 DC controller PCB 2 Low voltage power supply PCB 3 High voltage paper supply PCB 4 Memory controller PCB 5 Duplexing driver PCB 6 Sub high voltage power supply PCB 7 Video controller PCB ...

Страница 161: ...Feb 26 2007 ...

Страница 162: ......

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