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Chapter 2

2-18

F-2-22

2.6.2.2 Protective Functions

2.6.2.2.1 Protective function

0018-3143

LBP3370 / LBP3310

The low-voltage power supply circuit utilizes the overcurrent protective function to prevent the power supply circuit failure. It automatically interrupts the output
voltage when the overcurrent occurs due to a short-circuit at the load side.
If the overcurrent protective function is activated and the DC voltage is not output from this circuit, be sure to turn the printer OFF, rectify the problem at the faulty
loads and then turn the printer ON again.
Be sure to wait for more than approx. 2 min. to turn the printer ON again from when the power is turned OFF.
This circuit contains the fuse 1 (FU101) and the fuse 2 (FU102: 110-127V only). The fuses burn and interrupt the power supply if the overcurrent flows in the AC
line.

Fuse

(FU101)

Engine control PCB

Video

controller

PCB

Option

Main motor

Fan motor

Laser/scanner

unit

Sensors

Power switch

(SW101)

Door switch

(SW301)

Low-voltage power

supply circuit

Fuse

(FU102)

Solenoids

CPU

(IC201)

+5V

+3.3V

+24V

+24U

ACN

ACH

Relay

(RL101)

Fan motor

drive circuit

Overcurrent

protection circuit

Regulator

High-voltage

power supply

circuit

Fixing heater

+3.3V
power

supply

circuit

+5V

power

supply

circuit

+24V

power

supply

circuit

Transformer

(T501)

Triac

Noise

filter

Fixing heater

safety circuit

Noise

filter

Rectification

circuit

220-240V

only

+3.3V

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Содержание LBP3310

Страница 1: ...Jan 25 2008 Service Manual LBP3310 3370 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: ...e 2 2 2 3 1 2 Laser Control Circuit 2 3 2 3 2 Controlling the Laser Activation Timing 2 5 2 3 2 1 Laser emission control 2 5 2 3 2 2 Horizontal synchronous control 2 5 2 3 3 Laser Control 2 5 2 3 3 1 Automatic power control APC 2 5 2 3 3 2 Image masking control 2 5 2 3 4 Laser Scanner Motor Control 2 6 2 3 4 1 Outline 2 6 2 3 4 2 Scanner motor speed control 2 7 2 3 4 3 Scanner motor failure detect...

Страница 8: ...e of Operation by Block 2 20 2 7 2 Engine Controller 2 21 2 7 2 1 Outline 2 21 2 8 FIXING UNIT DELIVERY SYSTEM 2 23 2 8 1 Overview Configuration 2 23 2 8 1 1 Outline 2 23 2 8 2 Various Control Mechanisms 2 24 2 8 2 1 Fixing Temperature Control 2 24 2 8 2 2 Protective Functions 2 25 Chapter 3 DISASSEMBLY AND ASSEMBLY 3 1 EXTERNAL AND CONTROLS SYSTEM 3 1 3 1 1 Rear Cover 3 1 3 1 1 1 Preparation for ...

Страница 9: ...ansfer charging roller 3 13 3 4 PICKUP AND FEEDING SYSTEM 3 13 3 4 1 Cassette Pickup Roller 3 13 3 4 1 1 Removing the cassette pickup roller 3 13 3 4 2 Cassette Pickup solenoid 3 14 3 4 2 1 Preparation for removing the cassette pickup solenoid 3 14 3 4 2 2 Removing the cassette pickup solenoid 3 14 3 4 3 Cassette Separation Pad 3 14 3 4 3 1 Removing the cassette separation pad 3 14 3 4 4 Manual Pi...

Страница 10: ...2 Test Print 5 1 5 1 2 Mechanical Adjustment 5 1 5 1 2 1 Checking the Nip Width fixing pressure roller 5 1 5 2 SERVICE TOOLS 5 2 5 2 1 Standard Tools 5 2 5 2 2 Special Tools 5 2 5 3 ERROR CODE TABLE 5 2 5 3 1 Error Code 5 2 5 3 2 Error Code 5 3 5 3 3 A4 XX_ERROR 5 4 5 3 4 A5 XX_ERROR 5 4 5 3 5 A7 XX_ERROR 5 4 5 3 6 D7 XX_ERROR 5 4 5 3 7 D8 XX_ERROR 5 4 5 4 Version Up 5 5 5 4 1 Overview of Upgradin...

Страница 11: ...Contents 6 1 4 Sensor 6 2 6 1 4 1 Sensor 6 2 6 1 5 PCBs 6 3 6 1 5 1 PCB 6 3 ...

Страница 12: ...Contents ...

Страница 13: ...Chapter 1 PRODUCT DESCRIPTION ...

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Страница 15: ... 1 1 1 2 2 System Construction 1 1 1 3 Product Specifications 1 1 1 3 1 Product Specifications 1 1 1 3 2 Product Specifications 1 2 1 4 Name of Parts 1 3 1 4 1 External View 1 3 1 4 2 External View 1 4 1 4 3 Cross Sectional Views 1 5 1 5 Using the Machine 1 6 1 5 1 Control Panel 1 6 1 5 2 Control Panel 1 6 ...

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Страница 17: ... heater only during print operations This shortens wait time and enables low power consumption during stand by period 3 Automatic duplex printing The printer enables an automatic duplex printing by installing the duplexing unit as a standard equipment in the printer 1 2 System Construction 1 2 1 System Construction 0018 3078 LBP3310 F 1 1 T 1 1 1 2 2 System Construction 0018 3079 LBP3370 F 1 2 T 1...

Страница 18: ...heavy paper 91 to 163 g m2 recycled paper transparency label paper envelop DL COM10 C5 Monarch B5 Cassette capacity 250 sheets approx plain paper 64 g m2 Multi purpose capacity 50 sheets approx plain paper 64 g m2 Delivery tray stack Face down output tray approx 125 sheets 64 g m2 Face up output slot 1 sheet Duplex method Auto duplexing Interface Standard USB2 0 Option 10Base T 100Base TX Memory 8...

Страница 19: ...mm Length 127 0 to 355 6 mm Cassette paper type plain paper 64 to 90 g m2 heavy paper 91 to 120 g m2 recycled paper Multi purpose paper type plain paper 64 to 90 g m2 heavy paper 91 to 163 g m2 recycled paper transparency label paper envelop DL COM10 C5 Monarch B5 Cassette capacity 250 sheets approx plain paper 64 g m2 Multi purpose capacity 50 sheets approx plain paper 64 g m2 Delivery tray stack...

Страница 20: ...ton 3 Extension tray 9 Control Panel 4 Paper guide 10 Right cover 5 Paper Cassette 11 Power Switch 6 Front Cover 1 Face up Output Tray 4 Expansion Slot 2 Power Socket 5 USB Connector 3 Left cover 1 Manual feeder tray 7 Face down Output Tray 2 Sub tray 8 Open Button 3 Extension tray 9 Control Panel 4 Paper guide 10 Right cover 2 1 3 4 5 ...

Страница 21: ...witch 6 Front Cover 1 Face up Output Tray 5 10 Indicatotor 2 Power Socket 6 TX RX Indicatotor 3 Left Cover 7 LAN Connector 4 100 Indicatotor 8 USB Connector 1 Face down delivery roller 11 Pick up roller 2 Fixing film unit 12 Registration roller 5 6 4 8 7 2 1 3 17 16 15 14 13 12 11 10 9 1 2 3 4 5 6 8 7 18 19 ...

Страница 22: ...urce Blinking No paper or paper of an inappropriate size s loaded 2 Paper Jam Indicator Blinking A paper jam is occurring disabling printing 3 Alarm Indicator On Service call is occurring Blinking An error is occurring disabling printing 4 Ready Indicator On The printer is ready to print Blinking The printer is busy performing some kind of processing or operation such as printing warming up cleani...

Страница 23: ...en the Job indicator is on or blinking Does not function when the Job indicator is off 9 Online Key Online Indicator Green Turns on online off offline the connection to the computer This key also has the function that when an error has occurred releases the printer from the error temporarily and continues the paused job However depending on the error you may not be able to cancel it out The Online...

Страница 24: ...Chapter 1 1 8 Off The printer cannot print ...

Страница 25: ...Chapter 2 TECHNICAL REFERENCE ...

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Страница 27: ...age formation block 2 9 2 4 1 4 Development block 2 9 2 4 1 5 Transfer block 2 10 2 4 1 6 Fixing block 2 11 2 4 1 7 Photosensitive drum cleaning block 2 11 2 4 2 High Voltage Control 2 12 2 4 2 1 Outline 2 12 2 4 2 2 Primary charging bias generation 2 12 2 4 2 3 Developing bias generation 2 12 2 4 2 4 Transfer charging bias generation 2 13 2 4 2 5 Fixing bias generation 2 13 2 4 2 6 Cartridge pres...

Страница 28: ... Functions 2 18 2 6 2 2 1 Protective function 2 18 2 7 ENGINE CONTROL SYSTEM 2 19 2 7 1 Video Controller 2 19 2 7 1 1 Outline 2 19 2 7 1 2 Outline of Operation by Block 2 19 2 7 1 3 Overview 2 20 2 7 1 4 Outline of Operation by Block 2 20 2 7 2 Engine Controller 2 21 2 7 2 1 Outline 2 21 2 8 FIXING UNIT DELIVERY SYSTEM 2 23 2 8 1 Overview Configuration 2 23 2 8 1 1 Outline 2 23 2 8 2 Various Contr...

Страница 29: ...initial drive is completed To clear the potential of drum surface and to clean the transfer charging roller Detect the presence of cartridge STBY STANDBY From the end of the WAIT period or the LSTR period until the pick up command is input from the video controller Or from the end of the LSTR period until the power switch is turned OFF To keep the printer ready to print INTR INITIAL ROTATION perio...

Страница 30: ...r F 2 2 The laser scanner unit of this printer utilizes a twin beam method see Note It scans two lines simultaneously with 2 laser diodes in order to realize a high speed laser scanning The operational sequence of the laser scanner unit is described below 1 When the video controller sends a print command the engine controller rotates the scanner motor in order to rotate the four sided mirror 2 Whe...

Страница 31: ...s and the laser beam scans on the drum at each prescribed speed the latent image is formed on the photosensitive drum Twin beam method The laser unit unifies with two laser diodes LD1 LD2 In one scanning operation the two diodes LD1 LD2 emit light to write two lines simultaneously This enables a twofold printing with same printing speed F 2 3 2 3 1 2 Laser Control Circuit 0018 3094 LBP3370 LBP3310...

Страница 32: ... Automatic power control APC 3 Horizontal synchronization control 4 Image masking control Operation mode CNT2 CNT1 CNT0 Remarks Discharge mode L L L C802 C803 discharge Data output mode H H H Used during normal printing LD1 APC mode L H L Used during LD1 APC mode LD2 APC mode L L H Used during LD2 APC mode Force LD1 LD2 ON H L L Used during test printing Force LD1 LD2 OFF L H H Used during image m...

Страница 33: ... way The following is the sequence of this control 1 When the LASER CONTROL signals CNT0 CNT1 CNT2 put into the LD1APC mode the laser driver allows the LD1 to emit light 2 The light intensity of the LD1 is detected by the photo diode PD and it is converted from current to voltage Then it is compared with the reference voltage voltage equivalent to the target laser light intensity 3 The laser drive...

Страница 34: ...behind the leading edge of the paper where the BDO signal starts to output to the trailing edge 2 3 4 Laser Scanner Motor Control 2 3 4 1 Outline 0018 3102 LBP3370 LBP3310 The scanner motor control is to rotate the scanner motor in order to strike the laser beam at the correct position on the photosensitive drum The circuit diagram of the scanner motor control is illustrated below BDO Unmasking ar...

Страница 35: ...motor rotates at its prescribed rotational count or not The CPU determines the failure or the error and notifies it to the video controller under the following conditions 1 Scanner failure When the BDI signal is not detected within 0 9 sec after the forced acceleration of the scanner motor is completed it is detected for another 60 sec and if the interval of the BDI signal cannot be detected at sp...

Страница 36: ...ided into 5 blocks with 7 steps A toner image is formed on a print paper as it goes step by step in each block F 2 8 1 Electrostatic latent image formation block Form an electrostatic latent image on the photosensitive drum Step 1 Primary charging Charge the surface of the photosensitive drum uniformed negative potential Step 2 Laser beam exposure Form an electrostatic latent image on the photosen...

Страница 37: ...ce The primary charging roller is made of a conductive rubber To maintain the surface potential charged on the photosensitive drum uniformly the DC bias and ad ditional AC bias are combined This DC bias interlocked to the developing DC bias changes according to the IMAGE DENSITY INFORMATION signal from the video controller Step 2 Laser beam exposure As the laser beam scans the photosensitive drum ...

Страница 38: ...urface and the cylinder higher potential on drum side This phenomenon is called the projection development and it visualizes the electrostatic latent image on the drum F 2 13 The developing cylinder is applied the AC bias in order to make the toner jump easier onto the drum surface and improve the contrast of the output image The central voltage of the AC bias 1600Vp p changes according to the dev...

Страница 39: ...side of a print paper from the fixing film before it comes to the fixing heater It results that the transferred toner is held stronger onto the paper and it is prevented from splattering This printer utilizes the on demand fixing method with the lower heat capacity fixing film which warms up quickly and does not require the power supply during standby period The feature of this method is that the ...

Страница 40: ...ed according to two signals output from the CPU the PRIMARY CHARGING DC BIAS DRIVE signal PRDCC and the PRIMARY CHARGING AC BIAS DRIVE signal PRACC The PRDCC signal is a clock signal to generate the DC bias and the primary charging DC bias is generated according to this signal The PRACC signal is a clock signal to generate the AC bias and the primary charging AC bias is generated according to this...

Страница 41: ...ias The print bias is to transfer the toner on the photosensitive drum surface onto print paper during the print sequence The transfer positive bias is applied to the transfer charging roller 2 4 2 5 Fixing bias generation 0018 3117 LBP3370 LBP3310 The fixing bias is generated by dividing up the voltage of the primary charging DC bias in order to avoid the toner particles adhering to the fixing fi...

Страница 42: ...r not at the checking timing The check timing is stored in the memory of the CPU If the CPU determines the jam it stops the print operation and notifies it to the video controller SL1 M1 SL3 SL2 ENGINE CONTROLLER PCB CASETTE PICK UP SOLENOID DRIVE signal CSTSL MULTI PURPOSE TRAY PICK UP SOLENOID DRIVE signal MPSL REVERSING SOLENOID DRIVE signal DUPSLON MAIN MOTOR DRIVE signal Registration shutter ...

Страница 43: ...stationary jam when the delivery sensor PS915 does not detect the absence of the paper within approx 1 5 sec at all after the top of page sensor PS912 detected the trailing edge 2 5 2 3 3 Reversing stationary jam 0018 3128 LBP3370 LBP3310 The CPU determines the reversing stationary jam when the reversing sensor PS912 does not detects the trailing edge of the paper within approx 2 5 sec after when ...

Страница 44: ...feeder pickup solenoid SL1 goes on for about 0 14 sec 3 The rotation of the manual feeder pickup roller moves the print paper into the machine with the separation pad making sure that no more than a single sheet of paper is fed inside 2 5 5 Duplex Feeding 2 5 5 1 Outline 0018 3134 LBP3370 LBP3310 This printer operates the duplex printing by switching the printing side of the paper That is after on...

Страница 45: ...ng 2 6 2 Power Supply 2 6 2 1 Power Supply 2 6 2 1 1 Low voltage Power Supply Circuit 0018 3142 LBP3370 LBP3310 The low voltage power supply circuit converts the AC power supply input from the inlet into the DC power supply and supplies to each load The AC power is supplied to the low voltage power supply circuit in the engine controller when the printer switch is turned ON This supplied AC power ...

Страница 46: ...n approx 2 min to turn the printer ON again from when the power is turned OFF This circuit contains the fuse 1 FU101 and the fuse 2 FU102 110 127V only The fuses burn and interrupt the power supply if the overcurrent flows in the AC line Fuse FU101 Engine control PCB Video controller PCB Option Main motor Fan motor Laser scanner unit Sensors Power switch SW101 Door switch SW301 Low voltage power s...

Страница 47: ...ectrically It is used to retain parameters of the printer unit that must remain un changed e g USB serial number printing environment these parameters are retained when the power is turned off on 2 ASIC IC2 It has the following functions 1 controls the input output of the internal RAM 2 controls the timing at which dot pattern data is sent to the engine controller 3 decompresses the image data tha...

Страница 48: ...ration circuit and turned into bitmap data for output to the DC controller A check may be made on the printer status using an external device F 2 25 2 7 1 4 Outline of Operation by Block 0018 3147 LBP3370 F 2 26 T 2 3 No Name Description IC2 IC3 IC1 J5 J6 IC4 J2 5 1 1 26 1 13 J1 1 6 J4 28 1 7 1 J3 J7 1 2 DC controller PCB PDL data Display List Bitmap Bitmap PCL printer driver Display list generati...

Страница 49: ...y circuit and the fan motor drive circuit The block diagram of this circuit is illustrated below and each circuit is described in the following IC1 SDRAM Retains image data IC2 IC3 IC4 IC9 EEPROM EEPROM for storage of various parameters IC16 Flash ROM ROM for storage of programs IC1009 ASIC system control IC1010 CPU system control IC1088 EEPROM EEPROM for MAC address IC3004 Reset IC system reset I...

Страница 50: ...e fixing control circuit controls the temperature of the fixing unit according to the command from the CPU IC201 e High voltage power supply circuit The high voltage power supply circuit generates the high voltage power supply according to the command from the CPU IC201 f Low voltage power supply circuit The low voltage power supply circuit generates the DC power supply required by the printer whe...

Страница 51: ...n below Heater This fixing unit incorporates one heater Fixing heater H1 To heat the fixing film ceramic heater Thermistor This fixing unit incorporates one thermistor Thermistor TH1 Sit almost at the center of the fixing film contact type To control the temperature of the fixing film Thermal switch Thermoswitch TP1 Sit almost at the center of the fixing film contact type If the temperature of the...

Страница 52: ...e fixing heater at the normally targeted temperature during print operation The target temperature may be any of 7 settings used according to the selected fixing mode Any of these modes is selected according to the settings of the driver and such parameters as paper size and the number of printouts The following shows the relationship between the paper type setting and the fixing mode in relation ...

Страница 53: ...the temperature of the fixing heater rises abnormally high and the voltage of the thermistor is lower than approx 0 9 V equivalent to 220 deg C 2 Protective function by the fixing heater safety circuit The fixing heater safety circuit constantly monitors the voltage of the thermistor This circuit interrupts a power supply to the fixing heater regardless of the commands from the CPU when the fixing...

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Страница 55: ...Chapter 3 DISASSEMBLY AND ASSEMBLY ...

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Страница 57: ... board 3 8 3 1 9 1 Preparation for removing the engine controller PCB 3 8 3 1 9 2 Removing the engine controller PCB 3 8 3 1 10 Duplexing Driver Board 3 9 3 1 10 1 Preparation for removing the duplexing driver PCB 3 9 3 1 10 2 Removing the duplexing driver PCB 3 10 3 1 11 Video Controller Board 3 10 3 1 11 1 Removing the video controller PCB 3 10 3 1 11 2 Removing the video controller PCB 3 10 3 1...

Страница 58: ...ving the main motor 3 16 3 4 8 Reversal Solenoid 3 16 3 4 8 1 Preparation for removing the reverse solenoid 3 16 3 4 8 2 Removing the reverse solenoid 3 16 3 4 9 Duplexing Unit 3 16 3 4 9 1 Preparation for removing the duplexing unit 3 16 3 4 9 2 Removing the duplexing unit 3 16 3 5 FIXING SYSTEM 3 17 3 5 1 Fixing Unit 3 17 3 5 1 1 Preparation for removing the fixing assembly 3 17 3 5 1 2 Removing...

Страница 59: ...rom the duplexing unit 2 2 bosses 3 F 3 3 3 1 2 Right Cover 3 1 2 1 Detaching the right cover 0018 2602 LBP3370 LBP3310 1 Remove the cassette 2 Press the release button 1 to open the front cover 2 F 3 4 3 Repeat the steps 4 and 5 below to disengage the 3 claws 1 of the right cover from the bottom to the top 4 Fit the blade edge of flat blade screwdriver to the claw 1 of the right cov er through th...

Страница 60: ...rews 1 and fit the blade edge of flat blade screwdriver to the claw 2 of the left cover through the gap with the rear cover 4 Press A of the rear cover to the rear direction and move down the driver to the direction of B to disengage the claw 2 of the left cover 5 Fit the blade edge of flat blade screwdriver to the claw 3 of the left cover through the gap with the upper cover Move down the driver ...

Страница 61: ...ference Removing the rear cover unit 3 1 4 2 Detaching the upper cover 0018 2626 LBP3310 1 Remove the parts below 1 screw 1 1 clamp 2 1 connector 3 F 3 8 2 Detach the upper cover unit 1 together with the control panel 2 screws 2 to be loosened 2 screws 3 F 3 9 3 Free the harness 2 from the guide 1 F 3 10 4 Detach the upper cover 1 1 claw 2 1 control panel 3 MEMO The figure below shows the location...

Страница 62: ...Detach the upper cover unit 1 together with the control panel 2 screws 2 to be loosened 2 screws 3 F 3 13 3 Free the harness 2 from the guide 1 F 3 14 4 Detach the upper cover 1 1 claw 2 1 control panel 3 F 3 15 3 1 5 Front Cover 3 1 5 1 Preparation for detaching the front cover unit 0018 2716 LBP3370 LBP3310 3 1 2 3 2 1 1 2 2 3 1 1 2 1 3 2 ...

Страница 63: ...t door unit 1 2 screws 2 F 3 18 3 1 6 Main Drive Unit 3 1 6 1 Preparation for removing the main drive assembly 0018 2964 LBP3370 LBP3310 1 Detach the left cover page 3 2 Reference Detaching the left cover 2 Detach the right cover page 3 1 Reference Detaching the right cover 3 Remove the rear cover unit page 3 1 Reference Removing the rear cover unit 3 1 6 2 Removing the main drive assembly 0018 29...

Страница 64: ...Drive Unit 3 1 7 1 Removing the duplexing drive assembly 0018 2963 LBP3370 LBP3310 1 Detach the right cover page 3 1 Reference Detaching the right cover 2 Free the 2 harnesses 2 from the guide 1 3 Remove the fan assembly 3 1 rod 4 2 screws 5 F 3 24 4 Remove the duplexing drive assembly 1 3 screws 2 F 3 25 Points to note when attaching Do not catch the power cable 3 with the AC inlet socket between...

Страница 65: ...2642 LBP3310 1 Remove the parts below 1 screw 1 1 clamp 2 1 connector 3 F 3 26 2 Detach the upper cover unit 1 together with the control panel 2 screws 2 to be loosened 2 screws 3 F 3 27 3 Free the harness 2 from the guide 1 F 3 28 4 Detach the control panel 1 1 claw 2 F 3 29 5 Detach the control panel 1 1 connector 2 Gears of the duplexing drive assembly are not fixed on the plate Remove with car...

Страница 66: ...ctor 2 F 3 35 3 1 9 Engine controller board 3 1 9 1 Preparation for removing the engine controller PCB 0018 3005 LBP3370 LBP3310 1 Detach the left cover page 3 2 Reference Detaching the left cover 2 Detach the right cover page 3 1 Reference Detaching the right cover 3 Remove the rear cover unit page 3 1 Reference Removing the rear cover unit 4 Detach the upper cover unit page 3 3 Reference LBP3310...

Страница 67: ...rection F 3 37 4 Remove the screw 1 F 3 38 5 Guide the flat cable 1 and the 3 harnesses 2 through the hole 3 on the left side plate to the inward direction 6 Remove the 2 screws 4 7 Slightly open the main body frame to both sides and disengage the 2 hooks 5 on the right and left side plates 8 Move down the engine controller unit 6 to the direction of the arrow and remove it to the forward directio...

Страница 68: ...ct the connector 1 2 Free the harness 3 from the guide 2 F 3 41 3 Free the harness 2 from the guide 1 4 Remove the duplexing driver PCB 3 1 connector 4 1 screw 5 F 3 42 3 1 11 Video Controller Board 3 1 11 1 Removing the video controller PCB 0018 2968 LBP3310 1 Detach the left cover page 3 2 Reference Detaching the left cover 2 Remove the parts below 1 screw 1 1 clamp 2 1 connector 3 F 3 43 3 Remo...

Страница 69: ...Remove the plate 1 12 screws 2 F 3 48 4 Remove the video controller PCB 1 2 flat cables 2 3 connectors 3 1 screw binding 4 6 screws TP 5 F 3 49 3 1 12 USB Board 3 1 12 1 Removing the USB PCB 0018 2969 LBP3310 1 Detach the left cover page 3 2 Reference Detaching the left cover 2 Remove the parts below 1 screw 1 1 clamp 2 1 connector 3 F 3 50 3 Remove the plate 1 8 screws 2 1 2 2 3 1 2 2 2 2 1 5 5 1...

Страница 70: ...onnectors 2 2 claws 3 2 bosses 4 F 3 54 3 1 14 Main Body Fan 3 1 14 1 Preparation for removing the fan 0018 2995 LBP3370 LBP3310 1 Detach the left cover page 3 2 Reference Detaching the left cover 2 Detach the right cover page 3 1 Reference Detaching the right cover 3 Remove the rear cover unit page 3 1 Reference Removing the rear cover unit 3 1 14 2 Removing the fan 0018 2996 LBP3370 LBP3310 1 Di...

Страница 71: ... roller 0018 3011 LBP3370 LBP3310 1 Press the release button 1 to open the front cover 2 F 3 58 2 Pinch the 2 claws 1 on the bushing and move the transfer charging roller 3 together with the bushing 2 to the direction of the arrow to remove F 3 59 3 4 PICKUP AND FEEDING SYSTEM 3 4 1 Cassette Pickup Roller 3 4 1 1 Removing the cassette pickup roller 0018 3014 LBP3370 LBP3310 1 Remove the cassette 2...

Страница 72: ... 3048 LBP3370 LBP3310 1 Remove the cassette pickup solenoid 1 1 screw 2 F 3 62 3 4 3 Cassette Separation Pad 3 4 3 1 Removing the cassette separation pad 0018 3053 LBP3370 LBP3310 1 Remove the cassette 2 Remove the cassette separation pad 1 2 screws 2 F 3 63 3 4 4 Manual Pickup Roller 3 4 4 1 Removing the manual pickup roller 0018 3065 LBP3370 LBP3310 1 Press the release button 1 to open the front...

Страница 73: ...on roller 0018 2961 LBP3370 LBP3310 1 Detach the left cover page 3 2 Reference Detaching the left cover 2 Detach the right cover page 3 1 Reference Detaching the right cover 3 Remove the rear cover unit page 3 1 Reference Removing the rear cover unit 4 Detach the upper cover unit page 3 3 Reference LBP3310 Detaching the upper cover page 3 4 Reference LBP3370 Detaching the upper cover 3 4 6 2 Remov...

Страница 74: ...3310 1 Disengage the 2 claws 1 to the direction of the arrow remove the 3 screws 2 and remove the main motor 3 together with the harness guide F 3 72 3 4 8 Reversal Solenoid 3 4 8 1 Preparation for removing the reverse solenoid 0018 3054 LBP3370 LBP3310 1 Detach the right cover page 3 1 Reference Detaching the right cover 2 Remove the duplexing drive assembly page 3 6 Reference Removing the duplex...

Страница 75: ...310 Detaching the upper cover page 3 4 Reference LBP3370 Detaching the upper cover 5 Remove the duplexing drive assembly page 3 6 Reference Removing the duplexing drive assembly 6 Remove the video controller PCB page 3 10 Reference LBP3310 Re moving the video controller PCB page 3 11 Reference LBP3370 Re moving the video controller PCB 3 5 1 2 Removing the fixing assembly 0018 2982 LBP3310 1 Free ...

Страница 76: ...crews 1 11 Slightly open the main body frame to both sides and remove the 2 bosses 2 on the right and left side plates to remove the fixing assembly 3 F 3 83 3 5 1 3 Removing the fixing assembly 0018 2983 LBP3370 1 Free the harness 2 from the edge saddle 1 2 Remove the plate 3 4 screw 4 F 3 84 3 Remove the paper holder unit 1 2 claws 2 F 3 85 4 Move the guide 1 to the direction of the arrow to rem...

Страница 77: ... left cover 2 Detach the right cover page 3 1 Reference Detaching the right cover 3 Remove the rear cover unit page 3 1 Reference Removing the rear cover unit 4 Detach the upper cover unit page 3 3 Reference LBP3310 Detaching the upper cover page 3 4 Reference LBP3370 Detaching the upper cover 5 Remove the duplexing drive assembly page 3 6 Reference Removing the duplexing drive assembly 6 Remove t...

Страница 78: ...e upper cover unit page 3 3 Reference LBP3310 Detaching the upper cover page 3 4 Reference LBP3370 Detaching the upper cover 5 Remove the duplexing drive assembly page 3 6 Reference Removing the duplexing drive assembly 6 Remove the video controller PCB page 3 10 Reference LBP3310 Re moving the video controller PCB page 3 11 Reference LBP3370 Re moving the video controller PCB 7 Remove the fixing ...

Страница 79: ...Chapter 3 3 21 F 3 96 3 2 1 A B ...

Страница 80: ...Chapter 3 3 22 ...

Страница 81: ...Chapter 4 MAINTENANCE AND INSPECTION ...

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Страница 83: ...y Replaced Parts 4 1 4 1 1 Periodically Replaced Parts 4 1 4 2 Consumables 4 1 4 2 1 Life Expectancy of Consumable Parts 4 1 4 3 Periodical Service 4 1 4 3 1 Periodic Service 4 1 4 4 Cleaning 4 1 4 4 1 Cleaning During Service Visit 4 1 ...

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Страница 85: ... 4 Cleaning 4 4 1 Cleaning During Service Visit 0018 3157 LBP3370 LBP3310 F 4 1 1 Separation pad Wipe the rubber part with the dry lint free paper 2 Munual feed pick up roller Wipe with the dry lint free paper 3 Pick up roller Wipe with the dry lint free paper 4 Feed roller Wipe with the dry lint free paper 5 Transfer charging roller The transfer charging roller is not to be touched or cleaned If ...

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Страница 87: ...Chapter 5 TROUBLESHOOTING ...

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Страница 89: ... TABLE 5 2 5 3 1 Error Code 5 2 5 3 2 Error Code 5 3 5 3 3 A4 XX_ERROR 5 4 5 3 4 A5 XX_ERROR 5 4 5 3 5 A7 XX_ERROR 5 4 5 3 6 D7 XX_ERROR 5 4 5 3 7 D8 XX_ERROR 5 4 5 4 Version Up 5 5 5 4 1 Overview of Upgrading Work 5 5 5 4 2 Construction of Firmware 5 5 5 4 3 Outline of the Service Support Tool 5 5 5 4 4 Registering the Firmware 5 7 5 4 5 Making Connections 5 9 5 4 6 The down load procedure of the...

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Страница 91: ...an be printed continuously if the switch is held down Accessing the Test Print Switch 1 Detach the left cover 1 page 3 2 Detaching the left cover 2 Insert a tool such as a driver into the guide hole 1 and press the Test Print switch F 5 2 5 1 2 Mechanical Adjustment 5 1 2 1 Checking the Nip Width fixing pressure roller 0018 3160 LBP3370 LBP3310 The nip width of the fixing unit is not adjustable in...

Страница 92: ...rs Crimper Tweezers Ruler CK 0203 CK 0205 CK 0218 CK 0302 CK 0303 Applied to the axis ring Employed to measure 150 mm 21 22 23 24 25 Mallet plastic head Brush Penlight Plastic bottle Lint free paper CK 0314 CK 0315 CK 0327 CK 0327 CK 0336 100cc 500SH PKG 26 27 28 Oiler Plastic jar Digital multi measure CK 0349 CK 0351 FY9 2032 30cc 30cc Error code Major cause detection Remedy E000 The Fixing heate...

Страница 93: ...CB E014 Main motor error 0000 Condition A motor ready state does not start 4 msec or more after the motor has been started Cause The drum motor is faulty The engine controller PCB is faulty Replace the main motor Replace the engine controller PCB E06F EEPROM errer 0068 EEROM errer Cause The video controller PCB is faulty EEPROM errer Replace the video controller PCB E100 BD error Cause The laser s...

Страница 94: ...ogram of the video controller Turn off and then back on the power Replace the video controller board Number field Description Remedial action A5 00 to 07 A fault has occurred in image processing within the controller 1 Turn off and then back on the power 2 If remedy 1 above fails increase the memory 3 If remedy 2 above fails replace the controller board Number field Description Remedial action A7 ...

Страница 95: ...e of the Service Support Tool 0018 3178 LBP3370 The service support tool SST hereafter provides the following functions Number field Description Corrective action D8 00 TO 0C A fault has occurred in the firmware of the LIPS LX BLD translator 1 Turn on the power 2 If step 1 fails replace the controller board Firmware Function Location Remarks cont Controls overall machine operation Video controller...

Страница 96: ...e key 1 and the cancel job key 2 turn on the power 2 Press the settings key 3 several times when SERVICE MODE is indicated press the reset key 4 to start service mode 3 Press the setttings key 3 several times when F W UPDATE GR is indicated press the reset key 4 4 Press the setttings key 3 several times when USB is indicated press the reset key 4 5 When OK is indicated press the OK key 5 to start ...

Страница 97: ...the PC 3 Start up the SST 4 Click Register Firmware F 5 8 5 Select the drive in which you have set the system CD and click search Main power ON Service Mode Downrod SYSTEM program SYSTEM BOOT program Download mode Download control program Service SupportTool DLM0 Ver 3 34E CONTROL Model List CONNECT CANCEL EXIT START Register Firmware Delete Firmware Delete Backup Data System Management MFP USB Ta...

Страница 98: ... Tool DLM0 Ver 3 34E Registered firmware Select a drive and folder Click a button to execute CONNECT CANCEL SEARCH EXIT REGISTER Register Firmware Delete Firmware Delete Backup Data System Management System Software e CONTROL Registerd Firms Found Firm LBP3370 XXxxv0103 CONT XXxxv0102 Registered firmware The firmware listed below is found Unchecked firmware is registered Click a button to execute ...

Страница 99: ...veral times when SERVICE MODE is indicated press the reset key 4 to start service mode 3 Press the setttings key 3 several times when F W UPDATE GR is indicated press the reset key 4 4 Press the setttings key 3 several times when USB is indicated press the reset key 4 5 When OK is indicated press the OK key 5 to start download mode CONTROL Registerd Firms Found Firm LBP3370 CONT XXxxv0102 XXenv010...

Страница 100: ...tart up the SST 5 4 6 The down load procedure of the system 0018 3181 LBP3370 1 Select the model to connect LBP3370 3 2 1 5 4 Found New Hardware Wizard Welcome to the Found New Hardware Wizard This Wizard helps you indtall a device driver for a hardware device To continue click Next Cancel Next Back ...

Страница 101: ...lect a model to connect CONTROL Model List MFP USB Target Selection MFP USB c Select the target EBP3360 iRC2570 LBP3370 iRC3100 iRC3100N iRC3170 LBP5900 LBP3370 Service Support Tool DLM0 Ver 3 34E Download Register Firmware Delete Firmware System Management EXIT CANCEL Delete Backup Data CONNECT Click a button to execute CONTROL Model List START USB LBP3370 CONT Interface Check the interface and c...

Страница 102: ...e firmware to be download rhen click the Start button Click the button of task to be executed Country Region All Language Common Version 01 03 CONT Selectable Firmware Initial Complete Download Connect via USB XXxxv0102 XXxxv0103 Control Download Firmware Start Return to Main Menu Cancel formation O K SelectableFirmware LBP3370 CONT Downlaod complete Country Region All Language Common Version 01 0...

Страница 103: ...group name appears Use the down arrow key to move to the next item F 5 20 5 5 1 2 Service Mode 0018 3192 LBP3370 T 5 10 Service mode Function gr Item Description Settings ECONF EXPORT The equipment setting data is exported GENERAL DEPEND SECURITY ALL INPORT The import does the equipment setting data Service Support Tool DLM0 Ver 3 34E Download Register Firmware Delete Firmware System Management EX...

Страница 104: ... various system log file acquisition functions on off JOB SERIALIZE sets the connector serialization mechanism on off SNMP canon_admin Restrict the SNMP access regarding the internally obtained community name administrative privilege Off ReadOnly ReadWrite canon_user Restrict the SNMP access regarding the internally obtained community name user privilege Off ReadOnly ReadWrite TCP DELAYED ACK Enab...

Страница 105: ...Chapter 6 APPENDIX ...

Страница 106: ......

Страница 107: ... 6 1 OUTLINE OF ELECTRICAL COMPONENTS 6 1 6 1 1 Clutch Solenoid 6 1 6 1 1 1 Solenoid 6 1 6 1 2 Motor 6 1 6 1 2 1 Motor 6 1 6 1 3 Fan 6 2 6 1 3 1 Fan 6 2 6 1 4 Sensor 6 2 6 1 4 1 Sensor 6 2 6 1 5 PCBs 6 3 6 1 5 1 PCB 6 3 ...

Страница 108: ......

Страница 109: ... OF ELECTRICAL COMPONENTS 6 1 1 Clutch Solenoid 6 1 1 1 Solenoid 0018 3161 LBP3370 LBP3310 F 6 1 6 1 2 Motor 6 1 2 1 Motor 0018 3162 LBP3370 LBP3310 1 Reversal solenoid 2 Cassette pick up solenoid 3 Manual feed pick up solenoid ...

Страница 110: ...Chapter 6 6 2 F 6 2 6 1 3 Fan 6 1 3 1 Fan 0018 3163 LBP3370 LBP3310 F 6 3 T 6 1 6 1 4 Sensor 6 1 4 1 Sensor 0018 3164 LBP3370 LBP3310 1 Main motor 1 Fan ...

Страница 111: ...pter 6 6 3 F 6 4 6 1 5 PCBs 6 1 5 1 PCB 0018 3165 LBP3370 LBP3310 F 6 5 1 Interlock switch 2 Top of page sensor Paper width detection sensor 3 Delivery sensor 4 Paper width detection sensor 2 1 Display PCB ...

Страница 112: ...Chapter 6 6 4 2 Duplexing driver PCB 3 Engine controller PCB 4 Video controller PCB 5 USB conector PCB ...

Страница 113: ...Jan 25 2008 ...

Страница 114: ......

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