Canon LBP5000 Series Service Manual Download Page 158

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Chapter 6

6-6

F-6-6

6.1.4 PCBs

6.1.4.1 PCBs

0010-9631

LBP5000

Ref.

Notation

Name

[1]

SR1

Registration paper 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]

Summary of Contents for LBP5000 Series

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

Page 2: ......

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 countri...

Page 4: ...uiring 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...

Page 5: ...ed 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 me...

Page 6: ......

Page 7: ...uration 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...

Page 8: ...ecting 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...

Page 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...

Page 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 Su...

Page 11: ...ing 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...

Page 12: ...ort 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...

Page 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...

Page 14: ...Contents...

Page 15: ...Chapter 1 PRODUCT DESCRIPTION...

Page 16: ......

Page 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 S...

Page 18: ......

Page 19: ...ation 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 print...

Page 20: ...nsitive medium OPC drum Charging method Roller charging Exposure method Laser scanning Development method Toner projection development Transfer method By Electrostatic Transportation Belt Separation m...

Page 21: ...on not possible Auto gradation correction Available Operating environment Temperature range 10 30 Operating environment Humidity range 10 80 RH Operating environment Atmospheric pressure l810 6 to 101...

Page 22: ...narch 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...

Page 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...

Page 24: ...0 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 Sw...

Page 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...

Page 26: ...ot 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 plast...

Page 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 wi...

Page 28: ......

Page 29: ...Chapter 2 TECHNICAL REFERENCE...

Page 30: ......

Page 31: ...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...

Page 32: ...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...

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

Page 34: ......

Page 35: ...lity 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 Fro...

Page 36: ...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 L...

Page 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 star...

Page 38: ...ividual 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 lase...

Page 39: ...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 sign...

Page 40: ...nner 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 scannin...

Page 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...

Page 42: ...osensitive 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 Developmen...

Page 43: ...he 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 l...

Page 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...

Page 45: ...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 th...

Page 46: ...t 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...

Page 47: ...e 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 bia...

Page 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 contro...

Page 49: ...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 contro...

Page 50: ...orrection 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 powe...

Page 51: ...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 spe...

Page 52: ...e 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 Detec...

Page 53: ...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...

Page 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 calibratio...

Page 55: ...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...

Page 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 rea...

Page 57: ...5 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...

Page 58: ...paration 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 i...

Page 59: ...dentical 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 pr...

Page 60: ...ensor 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 fa...

Page 61: ...ce 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...

Page 62: ...y 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 so...

Page 63: ...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 MAI...

Page 64: ...g 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 it...

Page 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...

Page 66: ...trol 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...

Page 67: ...r 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 te...

Page 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 The...

Page 69: ...ow 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 S...

Page 70: ...nual 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 vo...

Page 71: ...canner 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 moto...

Page 72: ...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...

Page 73: ...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...

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

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

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Page 77: ...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 t...

Page 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 t...

Page 79: ...tration 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...

Page 80: ......

Page 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...

Page 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...

Page 83: ...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...

Page 84: ...te 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...

Page 85: ...ay 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 65...

Page 86: ...ight 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...

Page 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 0...

Page 88: ...t 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...

Page 89: ...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...

Page 90: ...in 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 pag...

Page 91: ...ight 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 afte...

Page 92: ...move 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...

Page 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 cov...

Page 94: ...00 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 t...

Page 95: ...ery 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...

Page 96: ...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...

Page 97: ...sette 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 Rem...

Page 98: ...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...

Page 99: ...r 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...

Page 100: ...ing 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...

Page 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...

Page 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 Re...

Page 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...

Page 104: ...ide 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...

Page 105: ...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 cove...

Page 106: ...d 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...

Page 107: ...eference 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 Fr...

Page 108: ...hile 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...

Page 109: ...t 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 C...

Page 110: ...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...

Page 111: ...kup 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...

Page 112: ...n 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 screw...

Page 113: ...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 R...

Page 114: ...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...

Page 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...

Page 116: ...e 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 2...

Page 117: ...move 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 26...

Page 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 cass...

Page 119: ...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...

Page 120: ...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 Fi...

Page 121: ...age 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...

Page 122: ......

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

Page 124: ......

Page 125: ...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...

Page 126: ......

Page 127: ...00 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 00...

Page 128: ...ng 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...

Page 129: ...d 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 001...

Page 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...

Page 131: ...ent 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 tone...

Page 132: ......

Page 133: ...Chapter 5 TROUBLESHOOTING...

Page 134: ......

Page 135: ...OM 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 Replacin...

Page 136: ......

Page 137: ...e 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...

Page 138: ...ler 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 i...

Page 139: ...acing 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 Regis...

Page 140: ...ade 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 Diago...

Page 141: ...Chapter 5 5 5 F 5 9...

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

Page 143: ...s 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 asse...

Page 144: ...er 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...

Page 145: ...y 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 o...

Page 146: ...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 Caus...

Page 147: ...e 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 det...

Page 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...

Page 149: ...Chapter 6 APPENDIX...

Page 150: ......

Page 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 Senso...

Page 152: ......

Page 153: ...PONENTS 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 B...

Page 154: ...r 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...

Page 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...

Page 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 F...

Page 157: ...sor 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 misr...

Page 158: ...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...

Page 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...

Page 160: ...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 contro...

Page 161: ...Feb 26 2007...

Page 162: ......

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