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1. 3 4 PICKUP AND FEEDING SYSTEM 3 4 1 Pickup Unit 3 4 1 1 Preparation for Removing the Pickup Unit LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper Cover 2 Removing the Left Cover page 3 2 Reference Removing the Left Cov er 3 Removing the Right Cover page 3 1 Reference Removing the Right Cover 4 Removing the Rear Cover page 3 1 Reference Removing the Rear Cover 5 Removing the Main Controller PCB page 3 9 Reference Removing the Main Controller PCB 3 4 1 2 Removing the Pickup Unit LBP3100 LBP3010B 1 Remove the inner rear cover 1 1 screw 2 F 3 49 3 Remove the terminal 1 and free the harness 3 from the harness guide Chapter 3 A Points to note at installation When installing the pickup unit 1 make sure that the contact spring 2 contacts with A part Also make sure that the grounding contact point 3 contacts with B part F 3 50 A Points to note at installation 4 Disconnect the 4 connecters 1 When attaching the terminal 1 make sure that the spring contact point 2 5 Free the harness 3 from the harness guide 2 contacts as shown TEAS Se AEST 3 4 2 Cassette Pickup Roller 3 4 2 1 Removing the Pickup Roller LBP3100 LBP3010B F 3 51 1 Open the del
2. external device F 2 1 2 2 Basic Sequence 2 2 1 Basic Sequence of Operation LBP3100 LBP3010B The engine controller controls the operation sequence The following table provides an outline of machine operation occurring from when the power switch is turned on to when printing ends and motors stop indicating the purposes of intervals and engine operation For details of various loads see the timing chart T 2 1 Interval Purpose Remarks WAIT From power ON until initial drive for To clear potential from the drum Detect whether the Toner cartridge is Wait main motor is completed surface and to clean the transfer roller installed or not Also to bring the heater temperature up to the targeted temperature STBY From the end ofthe WAIT period or To keep the printer ready to print Standby the LSTR period until the print command is sent from the main controller Or from the end of the LSTR period until power switch is turned OFF INTR From the input of the print command To stabilize the photosensitive drum initial from the main controller until the pick sensitivity in preparation for printing rotation up solenoid is turned ON Also to clean the transfer roller PRINT From the end of the INTR period until To form image on the photosensitive print the top of page sensor detects the drum based on the VIDEO VDO trailing edge of paper VDO signals input from the main controller and to t
3. 5 2 5 2 2 Special A TOO 5 2 5 2 3 Eistiot Solvent l bric ant tee EI Lu 5 2 ISERROR CODE TABLE 3 Zaiat rera ripe staat FIER Ern e eve EE deua EARI NAAA dd aaa 5 2 SEI 5 2 5 3 2 Service Message sde 5 3 34 Version LID aE cS 5 4 5 4 1 Upgrade ide 5 4 Chapter 6 APPENDIX 6 1 OUTLINE OF ELECTRICAL COMPONENTS cccccccccccccecceaeceuseeeeseeceeeeeececeeeeeeseeeueeusauauauaeaeaeeneneaeeeeeeess 6 1 6 1 1 e e srel ele 22 e A RIND 6 1 Gale TES OIE A TERN eiserne 6 1 6 12 MOIO Eee Ass fed 2 A od ole Assesses ie Ass che kts i ee 6 1 RN Fosse saceck taise ais Srna cdinatscenasstaceaceaca cad IIR 6 1 6 1 3 SEnsor ats E 6 2 ARS AAA 6 2 RS A A ah 6 2 MS NAO 6 2 O A A 6 1 5 1 PCB Chapter 1 PRODUCT DESCRIPTION Contents Contents Ia TTT 1 1 LAA al 1 1 1 2 Product Specific asilos 1 2 1 2 1 Specifications 1 3 Name Of Paria SS el ei a DU UH EO 1 5 1 External VIEW ea i dee ie Ra ONS SNS ps N Hesse tada 1 3 2 Cross Section 1 4 Using the Machine 14 1 Control Panel 2 22 22 E VUES 1 5 Safety eee 1 5 1 Safety of Laser Light 1 5 2 CDRH Regulations 1 5 3 Safety Of TONET 2 ann ERR RU US SERO DR EUR GE UG OS 1 5 4 Handling the Laser Unit EHRE E Pon is a 1 5 5 Points to Note at Disassembly Assembly Work Chapter 1 1 1 Features 1 1 1 Features LBP3010B LBP3010 1 Small size high speed monochrome
4. A Points to note at installation When assembling the drive gears follow the order as below 2 1 4 3 5 7 1 Primary speed down pulley 2 Timing belt 3 Fixing ratchet gear 4 Fixing gear 5 Cartridge gear 6 Coupling gear 7 Delivery speed down W gear 8 Compression spring 9 Compression spring When attaching the drive gear align the 7 shaft holes 1 with the drive cover 2 3 1 9 Main Drive Unit 3 1 9 1 Preparation for Removing the Main Motor LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper 2 on the Left Cover page 3 2 Referense Removing the Left Cov 3 ma the Right Cover page 3 1 Referense Removing the Right 4 Reming the Front Cover page 3 3 Referense Removing the Front over 3 1 9 2 Removing the Main Motor LBP3100 LBP3010B 1 Remove the scanner sub cover 1 1 screw 2 2 Remove the scanner cover 1 3 screws 2 Chapter 3 F 3 16 3 Remove the tension unit 1 1 screw 2 6 Free the motor harness 2 from the harness guide 1 7 Remove the motor guide 3 1 screw 4 4 Disconnect the connecter 1 F 3 18 5 Remove the motor driver PCB 1 F 3 20 8 Remove the main motor 1 2 screws 2 3 claws 2 3 7 Chapter 3 A Points to note
5. T E l B I Ze Zu FU201 110 127V model only I Noise filter I I 24V I I MS I Freguency detection circuit FREOSNS gt I 220 240V model only I SW501 24V or a SUMMER l generation circuit a PWSV I I ET 24V all l output switch circuit zavore I CPU 5V 5V generation circuit gt I I l 3 3V 3 3V eoa generation circuit a a o AA ld n i I 3 3V mu output switch circuit 3 3VOFF i I I Fam A E E e T aE E C E E E E ee I ia SEP BER SSS SS Se E A A des RE Ze Wy o SW502 77 F 2 19 2 6 1 2 Protective Functions 2 6 1 2 1 Power protective function LBP3100 LBP3010B Low voltage power circuit carries the overcurrent preventive function against and overvoltage preventive function that block the voltage output automatically to prevent the power circuit brokerage when the overcurrent or overvoltage occur due to load errors such as short circuit etc Thus when the DC power cannot be output from the low voltage circuit the protective function against overcurrent or overvoltage may be working Turn OFF the power switch SW 1 to fix load errors and turn ON the switch again see note 1 Also the circuit carries the 2 fuses FU101 FU102 as a preventive function see note 2 The fuses blow to block the power supply when overcurrent occurs in AC line A 1 When restoring the low voltage po
6. A4 B5 AS LGL LTR Executive Envelope DL COM10 C5 Monarch user defined paper 76 2 to 215 9 mm in width 127 to 355 6 mm in length Multi purpose paper size A4 B5 AS LGL LTR Executive Envelope DL COM10 C5 Monarch user defined paper 76 2 to 215 9 mm in width 127 to 355 6 mm in length Pickup tray paper type plain paper 60 to 105 g m2 heavy paper 106 to 163 g m2 transparency label sheet postcard Multi purpose paper type plain paper 60 to 105 g m2 heavy paper 106 to 163 g m2 transparency label sheet postcard Pickup tray paper capacity Approx 150 sheets plain paper 64 g m2 Multi purpose capacity 1 sheet plain paper 64 g m2 Delivery tray stack Approx 100 sheets plain paper 64 g m2 Duplex method None Hard disk Standard none Option none Interface USB 2 0 Option none Memory Standard 2MB Option none Operating environment Temperature range 7 5 deg C to 32 5 deg C Operating environment Humidity range 10 to 80 RH Noise 64 6 dB or less during printing based on ISO9296 announced noise emission Power supply rating AC220 V to AC240 V 10 50 60 Hz 2 Hz Power consumption Maximum Approx 880W more less The value of the reference room temperature at 20 deg C Dimensions 372 W x 250 D x 197 H mm Weight Printer Approx 5 4kg Toner cartridge Approx 0 5kg
7. LBP3010B F 6 3 T 6 3 Code Name 1 Fixing delivery sensor 2 Paper width sensor 3 Paper leading edge sensor 6 1 4 Switch 6 1 4 1 Switch LBP3100 LBP3010B 1 3 F 6 4 T 6 4 Code Name 1 Control key switch 2 Power switch 6 2 Chapter 6 Code Name B 6 1 5 PCBs 6 1 5 1 PCB LBP3100 LBP3010B Code Door switch 4 E K 1 B 2 F 6 5 T 6 5 Name 11 2 B 4 Engine controller PCB Main controller PCB Memory PCB Motor drive PCB 6 3 Sep 1 2008 Canon
8. LBP3010B The developing bias is a DC negative bias that is output to affix toner to the static latent images formed on the photosensitive drum This bias is a development DC and AC superimposed bias and generated by the development high voltage generating circuit in the high voltage power supply circuit The high voltage power supply circuit applies the generated developing bias to the developing cylinder at a specified timing The developing bias varies in conjunction with the primary charging bias according to the information of image density sent from the main controller 2 10 Chapter 2 2 4 2 4 Generating Transfer Bias LBP3100 LBP3010B Transfer bias TR is a bias that is output to transfer toner to papers There are two types of bias DC positive bias and DC negative bias and generated by the transfer high voltage generating circuit in the high voltage power supply circuit The DC positive bias is output at the time of toner transfer and the DC negative bias at the time of cleaning the photosensitive drum The high voltage power supply circuit applies the generated transfer bias to the transfer roller according to each print sequence Each print sequence is described below Cleaning bias The bias to move clean the toner attached to the transfer roller to the photosensitive drum at the time of warming up or last rotation sequence The transfer negative bias is applied to the transfer roller Paper intervals bias The bias to
9. Scanner Mot r Fault Detection alada ara SER el e eee nenn enormes eet EE eee EENE 2 4 IMAGE FORMATION SYSTEM streets O A O Y oo Oed RR NN PANES rita N 2 4 1 2 Print Process 2 2 ette E eb b D E WU ETC cia LU En AVR ERS DENTRO ERU RENTE HUE ECCLE ined HIN 2 6 2 4 1 3 Static Latent Image Formation Block 2 4 1 4 Development Block nee iet tegi et tee EUR TREE E OI ITE DER HR EE ei sl erect aa 2 4 15 Transfer Bl cken UE ROO PEE ERE HER e RO Peor OD REESE pL MNSuruDadedd m 24 T7 Drum Cleaning Block ii ete er ge e Senet c eere eee n e ee nm etes ie ndr e d eie ea pcs 2 4 2 High Voltage Control Q2 DOVertVIew sober P Hee e E QUE HO e e prete en A A AMO eb ti ted al uly 2 4 2 2 Generating Primary Charging Bias essere tnenntnennenn entre a tne tn ens tns tne teens tnit sea S era see te estne g ttn tnnt 2 10 242 3 Generating Developing A is 2 10 24 24 Generating Transfer Blass ott e e EA ni NORUNT NENNEN RUNE Ed 2 11 24 3 Toner Cartridge sie ld Hee eee ro Benet oi edo e be i etd re ee b o edet 2 11 2 4 3 I Torier Eeyel Detection honeste ERBEN Bes e e aee be dee etl DRE 2 11 2 4 3 2 Toner Cartridge Absence Presence Detection enne oia 2 11 2 95 PICK P AND EBEDING SYSTEM ree ER ur REPRE ERE rr ha OE eek T per 2 12 2 5 1 Overview Configuration ZII KOVSIE ar IA A AAA ra 2 92 Detecting Jams oie tdi cali 2 5 2 1 Jam
10. 1 3 1 External View LBP3100 LBP3010B 1 2 Chapter 1 1 3 2 Cross Section LBP3100 LBP3010B 13 F 1 1 1 Poewr switch 2 Delivery auxiliary tray 3 Delivery tray 4 Manual feed tray paper guide 5 Manual feed tray 6 Tray cover 7 Pickup tray 8 Small size paper guide 9 Rear paper guide 10 Manual feed tray Paper guide 11 USB cover 12 USB connector 13 Power receptacle 1 3 Chapter 1 1 2 B 4 5 af Zain 1 n n JEn 13 12 11 10 9 8 7 F 1 2 1 Fixing unit 2 Pressure roller 3 Delivery roller 4 Fixing film unit 5 Laser scanner unit 6 Manual feed tray 7 Pickup tray 8 Photosensitive drum 9 Pickup roller 10 separation pad 11 Feed roller 12 Transfer roller 13 Toner cartridge 1 4 Using the Machine 1 4 1 Control Panel LBP3100 LBP3010B 1 4 Chapter 1 1 Power lamp green Lighting Indicates that the power of the host machine is turned on Not lighting Indicates that the power of the host machine is not turned on 2 Paper lamp paper key red lt Lamp gt Flashing Indicates that there is no paper in the pickup source and print cannot be executed or pape
11. 1 Preparation for Removing the Rear Cover c essecessesceesesseeeseceeeeaeeseceaeseceaecsaeeaecseeeaecseesaeceesaeseaeeeseaesaeeeaaeaeeeaesaeeeseaeseaeeaeees 3 1 1 2 Removing the Rear CO arrasa AEE Pana Faia das iban 3 1 2 light GOVOL 34 a an ein E E EE E eis 3 1 2 1 Preparation for Removing the Right Cover sese ee eee eee ee eee ee eee eee 3 1 2 2 Removing the Right GOvel 2 2 2 2 RR deer ertet aie i 3 1 3 Left COVOT AA 3 1 3 1 Preparation for Removing the Left Cover sees eee eee eee eee 3 1 3 2 Removing the Left as 2 atr ent er ncn rr RU E DR RR RANN D a e d eee Ee iUe br e RE aide m ER IE bua 3 1 4 Upper Cove lisse eu co eee ehe D edite E ee to R eet oe UD EIE ER e E ede E Det dg dns 3 141 Removing the Upper Gover iiien a eee e EU Ear pere PE EE DR tea qt 3 15 FEODEGOVOL O REG ERREUR EUREN RE ie ODER IER a deiade 3 1 5 1 Preparation for Removing the Front Cover sese eee eee ee eee ee eee 3 1 5 2 Removing the Front Covet cosa a etn da tb eat e e D Rub 31 6 Delivery Tray nassen RER a eee 3 1 6 1 Removing the Delivery Auxiliary Tray ccssssscessesssessscscssensecessecsossesseeescesesseecseessccsessensaeusedesesesensseseessouesstenedessscensoesenseconees 3 PICKUP Tray is 3 1 7 1 Preparation for Removing the Pickup Tray Un sees eee eee eee eee ee eee eee 3 1 7 2 Removing the Pickup Tray T 3 1 8 Drive Unitat a Ir e au e ee a ae aE 3 1 8 1 Preparation for Removing the Drive Belt uuurusesssnessnnsnnnnnnn
12. 2 20 2 7 2 Engine Controller 2 7 2 1 General description LBP3100 LBP3010B Engine controller is the circuit to control the operation sequence of the host machine and it is controlled by the CPU inside the engine controller When the power is turned ON and DC power is supplied through the low voltage power inside engine controller CPU starts the printer operation control Then CPU drives the loads such as laser diode motors and solenoids etc according to the image data that is input by the main controller when status becomes stand by mode The following is the block diagram of this circuit 2 16 Chapter 2 Engine controller LIIS t Fixing unit Fixing control K 3 a Low voltage power supply AC input Transfer roller power supply Toner Cartridge High voltage Main controller ERA E N unit CPU Switch Laser scanner 2 17 Chapter 2 2 8 FIXING UNIT DELIVERY SYSTEM 2 8 1 Overview Configuration 2 8 1 1 Overview LBP3100 LBP3010B Fixing delivery system consists of the fixing film unit pressure roller and delivery roller etc These rollers are driven by the main motor M1 Toner is transferred on the paper and fused by the heat of the fixing heater on the fixing assembly and by the pressure from the pressure roller then the paper is delivered from the fixing assembly The paper is detected by the delivery sen
13. FUE RR EHE GANA RARA RARA 2 16 2 8 FIXING UNIT DELIVERY SYSTEM 5 nit intimi e PR EYE EE EE XR E EE eb ERREUR eR CEPR ERE VE Isasi 2 18 2 81 Overview Conti SUratiOn ss 2 oa out e nete rede e d ere Pee eee e ups 2 18 2 8 T L OVeEVIEW a teet ERR MEE erae ite ee A d empta esee ee tem e REOR 2 18 2 8 1 2 Mam ias 2 18 2 8 2 Various Control Mechanisms 2 19 2 82 1 Fixing Temperature Control eiii qii eripere nb ee as UE EE ERR IEEE ERE EET UAE EXE dia ida 2 19 2 8 2 1 Fixing Temperature Control oie poe TEQUE DB FRED EERE ston ncuaurasaeasttteushsoteencsauansbwanrcesagusnigeesess 2 19 2 8 2 2 Protective PuniCti Ons M EE 2 20 2 8 2 2 Prot ctive Function of Fixing Yit eere eiie dla 2 20 2 82 22 BrFOE dele COD ea RUN ERE REM Mete nete re 2 20 2 0 3 Other EunCtiolis Jor e peter tet eee e Dee asa e redire S de ett coc cat a dp GR e b PE RR TRIS 2 20 2 8 3 T Throughput Down Controls cot ERRAT RI RU RR B eren iHe 2 20 Chapter 2 2 1 Functional Configuration 2 1 1 Outline LBP3100 LBP3010B The machine may be broadly divided into the following 6 functional blocks engine control system laser exposure system image formation system pickup trans port delivery system fixing system and externals auxiliary control system Laser exposure system Image formation system Pickup transport delivery system Engine control system Fixing system Externals and control system
14. at installation When attaching the laser scanner cover 1 put the shutter lever 2 through the hole 3 on the scanner cover 3 1 10 Engine controller board 3 1 10 1 Preparation for Removing the Engine Controller PCB LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Referense Removing the Upper Cover 2 Removing the Left Cover page 3 2 Referense Removing the Left Cov 3 ei the Right Cover page 3 1 Referense Removing the Right 4 en the Front Cover page 3 3 Referense Removing the Front 5 Removing the Rear Cover page 3 1 Referense Removing the Rear over 6 Removing the Main Controller PCB page 3 9 Referense Removing the Main Controller PCB 3 1 10 2 Removing the Engine Controller PCB LBP3100 LBP3010B 1 Remove the inner rear cover 1 screw 2 3 8 2 Remove the terminal 1 and free the harness 3 from the harness guide 2 2 3 F 3 23 3 Remove the boss 1 and remove the protective cover 2 F 3 24 4 Disconnect the 2 flat cables 1 and the 5 connecters 2 and then free the harness from the guide 3 5 Remove the 5 screws 4 and the engine controller PCB 5 3 2 4 1 4 5 A Points to note at installation When attaching the terminal 1 make sure that the contact spring 2 contacts as shown Chapter 3 1 3 1 11 Main Controller PCB 3 1 11 1 Preparation for Removing the Ma
15. below to check the nip width 1 Prepare an all black print of A4 size made by the same type of EP Toner cartridge for this printer before visiting the customer site 2 Place a solid black paper on a manual pickup tray with the printed side facing down 3 Open the face up cover to perform the face up delivery 4 Press the test print switch 5 Turn OFF the printer switch as soon as the leading edge of the paper appears in the exit of the paper delivery unit Wait for 10 seconds after the printer OFF and then take the paper out from the printer 6 Measure the width of the glossy band across the paper and check if it is meeting the requirements below Center a 5 6mm to 8 0mm Right and left b c 5 6mm to 8 0mm Chapter 5 5 2 SERVICE TOOLS 5 2 1 Standard tools LBP3100 LBP3010B The followings are the reguired tools to perform the service operation T 5 1 No Tool name Tool number Usage remarks 1 Tool case TKN 0001 2 Jumper wire TKN 0069 With clip 3 Gap gauge CK 0057 0 02 to 0 03mm 4 Spring scale CK 0058 To check cassette spring pressure 5 Philips screwdriver CK 0101 M4 MS Length 363mm 6 Philips screwdriver CK 0104 M3 M4 Length 155mm 7 Philips screwdriver CK 0105 M4 MS Length 191mm 8 Philips screwdriver CK 0106 M4 M5 Length 85mm 9 Flat blade screwdriver CK 0111 O Precision slot head screwdriver CK 0114 6 pieces set 1 Fex key wrench set CK 01
16. note at installation When attaching the terminal 1 make sure that the contact spring 2 contacts as shown 1 3 20 3 5 2 Fixing Film Unit 3 5 2 1 Preparation for Removing the Fixing Film Unit LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper Cover 2 Removing the Left Cover page 3 2 Reference Removing the Left Cov er 3 Removing the Right Cover page 3 1 Reference Removing the Right Cover 4 Removing the Rear Cover page 3 1 Reference Removing the Rear Cover 5 Removing the Main Controller PCB page 3 9 Reference Removing the Main Controller PCB 6 Removing the Fixing Assembly page 3 18 Reference Removing the Fixing Assembly 3 5 2 2 Removing the Fixing Film Unit LBP3100 LBP3010B 1 Disconnect the connecter 1 and free the harness 3 from the harness guide 2 F 3 63 3 Remove the fixing upper guide 1 2 screws 2 Chapter 3 2 F 3 65 4 Remove the right and left pressure plates 1 2 springs 2 2 pressure arms 3 F 3 66 5 Remove the fixing film unit 1 A Do not touch the surface 1 of the fixing film unit Do not disassemble fixing film unit because it causes its functionality failure F 3 67 3 5 3 Fixing Pressure Roller 3 5 3 1 Preparation for Removing the Fixing Pressure Roller LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Remov
17. of the scanner motor the motor rotation exceeds the range of specified value 98 3 to 102 1 After startup of the scanner is correctly completed BDI signal exceeds the specified cycle 10 times consecutively 5 3 Chapter 5 Error Code Details Measures E197 Error in engine communication An error in data communication occurs in the engine controller Replace the engine controller PCB E747 Error in main controller memory Data of EEPROM on the main controller cannot be read written Replace the main controller PCB 5 4 Version Up 5 4 1 Upgrade LBP3100 LBP3010B The host machine does not support SST Service Support Tool Thus when upgrading the main controller or engine controller replace the PCB to the one in new version 5 4 Chapter 6 APPENDIX Contents Contents 6 OUTEINE OF EEECTRICAE COMPONBNTUOS en ana bleibst 6 1 6 1 1 Clutch Solenoid 6 1 6 1 1 1 Solenoid 612 Tee lee EY KOI TT 6 1 3 Sensor 6 1 3 1 Sensor 6 1 4 Switch 6 1 4 1 Switch 6 ROB RN TTT 6 1 5 1 PCB Chapter 6 6 1 OUTLINE OF ELECTRICAL COMPONENTS 6 1 1 Clutch Solenoid 6 1 1 1 Solenoid LBP3100 LBP3010B F 6 1 T 6 1 Code Name 1 Pickup solenoid 6 1 2 Motor 6 1 2 1 Motor LBP3100 LBP3010B F 6 2 T 6 2 Code Name 1 Main motor Chapter 6 6 1 3 Sensor 6 1 3 1 Sensor LBP3100
18. paper interval and lower the printing speed to prevent the edge of the fixing heater from over heating at continuous printing of small paper the paper with narrow width and to prevent the fixing heater unit from overheating at high volume continuous print ing This control extends the interval between heater on and prevents the edge of the roller of fixing assembly and the delivery unit from overheating This control has the following 3 modes and the operation sequence differs depending on each modes Mode 1 sequence For prevention of temperature increase in the edge Condition paper length is 264mm or shorter Operation print speed drops according to the setting item paper type on the printer driver Simultaneously control the target temperature of the fixing assembly 2 20 Chapter 2 according to the temperature in the following table T 1 Print 2 5 10 11 15 16 20 25 30 31 35 40 41 The number of sheets of ____ continuous print sheets F 2 25 T 2 6 No Paper type 1 Plain paper plain paper L 2 Heavy paper heavy paper L 3 Postcard 4 Postcard H Mode 2 sequence For prevention of temperature increase in the edge Condition paper length is 264mm or longer while paper width is 190mm or shorter Operation print speed drops to 3ppm from the 2nd sheet of continuous print Simultaneously control the ta
19. the commodity names of products in each product type T 1 1 Product type Area 16ppm model 14ppm model Europe 3100 3010 3010B China 3108 3018 Asia 3150 3050 2 Changing the drive method from gear to belt reduces uneven pitch due to varied rotation speed of the photosensitive drum which realizes stable image quality 1 1 Chapter 1 1 2 Product Specifications 1 2 1 Specifications LBP3100 LBP3010B LBP3010 1 3 Name of Parts Body installation method desktop page printer Photosensitive medium OPC drum Exposure method semiconductor laser Development method Toner projection development Transfer method by roller Separation method Curvature Pickup tray pickup method by pad Multifeeder pickup method by pad Drum cleaning method by blade Fixing method on demand Delivery method face down Toner supply type By toner cartridge Warm up time in standby 0 sec at power on 10 sec or less Print area top 5 mm bottom 5 mm left right 5 mm if envelope top bottom left right 10 mm Printing resolution 600dpix 600dpi Output adjustment mode 600x 400dpi Initial mode First print time approx 8 5 sec or less A4 Print speed A4 LBP3100 16 ppm Initial mode 10 6 ppm Output adjustment mode LBP3010 3010B 14 ppm Initial mode 8 8 ppm Output adjustment mode Pickup tray paper size
20. voltage level of a given signal is High while 0 is used 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 input of the DC controller PCB and from the output of the DC controller PCB to the loads The descriptions in this Service Manual are subject to change without notice for product improvement or other purposes and major changes will be com municated in the form of Service Information bulletins All service persons are expected to have a good understanding of the contents of this Service Manual and all relevant Service Information bulletins and be able to identify and isolate faults in the machine Contents Contents Chapter 1 PRODUCT DESCRIPTION BR Features ars hen 1 1 1 11 a Ei 1 1 1 2 Product Specifications nio danetydececenthy an ee re Re PAD neta euer rer barcos 1 2 1 2 I Specificatioris 0 es ote tete pe be nen te Hei eL din Ub e id 1 2 1 3 Name or T ea has agas in A E A E Ee oL E MEE E e earum testa 1 2 1 3 L External VIew i id eR DURER HAE MADRE DERE id 1 2 1 3 2 Cross Sectio MT 1 3 E Rs Nie T TTT 1 4 1 43 Control Pane lice 2 2 2 O e etos 1
21. 12 2 Removing the Memory Contact Unit ae een en aa to 3 9 IMA LOOP OMA A A 3 12 3 1 13 1 Preparation for Removing the Paper Leading Edge Sensor nete netne trennen trennen nnne tenen 3 12 3 1 13 2 Removing the Paper Leading Edge Sensor 5 rediisse iseee rie tde eres tpe e heben dec eie EE Xe ER e Ee le Eee Ee EA TE REEL FENCE ER ee PEE EEN EnS 3 12 331 AA Sensor B ader e e e eee eoe ebbe n eben nete bod ce en rer 3 13 3 1 14 1 Preparation for Removing the Sensor PC Boz nee epe ero eer sea atte E e 3 13 3 1 142 Removing the Sensor PEB b nas PR S NER EIE RIT E TE REIS ORE ERA Le Res Ele TREE RAN S A U 3 13 3 2 LASER EXPOSURE SYSTEM ae eo Ben nn HE Er ii pers Verne eR E epe a 3 14 322 1 Laser Scanner Umt A A A os te eee ato aE eae ees 3 14 3 2 1 1 Preparation for Removing the Laser Scanner Unit 3 14 3 2 1 2 Removing the Easer Scanner a liada 3 14 33 IMAGE FORMATION SYSTEM certain 3 15 3 3 1 Transfer Charging Roer Sitseron on tette rpm PRORA xt E EEA ONAE ens EEE E A E AA E 3 15 3 3 LT Removing the ransfer Roller a e mete NER EASE E pee e eee Feeds len AET 3 15 S4 PIEKUP AND FEEDING SYSTEM 2 52 tete Sean OE TO Ea A A g sacha eh E E nete que v regie optet inn 3 15 3 431 PICKUP Upit A A A Ad 3 15 3 4 1 1 Prep ration for Removing the Pickup Unit dais 3 15 3 4 1 2 Removing the Pickup Unitat A HOY t mai MM teta fen 3 15 3 42 Cassette Pickup Roller ii A A td 3 16 Contents 3 4 2 1 Removin
22. 30 to 150 deg C A Resolution Settings This machine has 2 types of resolution settings 600 x 600 dpi 600 x 400dpi This setting can be changed by whether or not ticking the item on finish settings Finishing gt Process Option gt Use output adjustment mode 600 x 400dpi is specified as factory settings Ticking this box changes it to 600 x 600dpi 2 8 2 2 Protective Functions 2 8 2 2 1 Protective Function of Fixing Unit LBP3100 LBP3010B Host machine carries the following 3 functions to prevent the fixing heater from overheating Protective function by CPU Protection function by fixing heater safety circuit Protection function by temperature fuse Each function is described as below 1 Protective function by CPU CPU of engine controller monitors the thermistor TH1 temperature consistently When THI reaches approx 230 deg C CPU determines that the fixing heater is overheating and stops the fixing heater drive signal FSRD output and also turns OFF relays to shut the power supply to fixing heater 2 Protection function by fixing heater safety circuit Fixing heater safety circuit monitors the thermistor TH1 temperature consistently When THI reaches approx 235 deg C it determines that the fixing heater is overheating and the fixing heater safety circuit turns OFF the relay drive circuit to shut the power supply to the fixing heater 3 Protection function by temperature fuse TP1 When the fi
23. 4 E 5 Safelty o n due dutegods 1 5 1 5 1 Safety of Laser Eight n ee BE RL ede o e Toe 1 5 152 CDRH Regulations 5 3 22 24H SE Reini qq eiie pn a rec dpi dete 1 5 1 5 3 Safety OL TONE fe secede tener ei vei eii 1 5 1 5 4 Hanaling the Laser Unit lisos RO HER DEED RE HE Re LEE EIER MEER iae 1 6 1 5 5 Points to Note at Disassembly Assembly Work nennen mener nennen enne 1 6 Chapter 2 TECHNICAL REFERENCE 2 1 Functional Configuration 2440e4s440nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nenn 2 1 PRIUS 2 1 232 BaSe O AUE OA e a r aa a ia 2 1 2 2 1 Basic Sed ence of Opera ima 2 1 2 2 2 Rower ON SEequence ci i ne bees tege qe tts cedi td a ene ind 2 1 2 3 LASER EXPOSURE SYSTEM near A A tias 2 2 2 3 1 Overview Configuration 2 2 rri eerie er eed tae en ce Ie a derive oed ee eR de ade gd 2 2 DILO Wi IAEA enn Ie eri eo nn eee dune 2 2 2 3 2 Controlling the Laser Activation Timing sees ee eree ee eee 2 3 2 3 2 1 Laser ON OFF Contra 2 3 2 3 2 2 Horizontal Syn amp G ntrol en2 ar BEI eee ei ence 2 3 2 3 3 Laser Gonlttol 2 222 a nahe a Ra E HUI a Dir ln ein ed 2 4 2 33 1 Auto R wer Gontrol ARG 2 A Ee Ih e n een ieee Y ae a E i 2 4 2 34 Laser Scanner Motor Control rester EG iee Ert ORE de p R Re e aaea Ree rr ERE DH ee nad 2 4 DBA OV ENVIOW 2 ERR EPA MM 2 4 2 3 4 2 Scanner Motor 1P SI eT reete teret ad 2 5 24 IMAGE FORMATION SYSTEM z
24. 51 5 pieces set 2 Smooth file CK 0161 3 Fex screwdriver CK 0170 M4 Length 107mm 4 Nipper CK 0201 5 Long nose pliers CK 0202 6 Pliers CK 0203 7 Stop ring pliers CK 0205 For shaft ring 8 Crimping tool CK 0218 9 Tweezers CK 0302 150mm For measurement 20 Scale CK 0303 21 Plastic hummer CK 0314 22 Brush CK 0315 23 Penlight CK 0327 24 Plastic bottle CK 0328 25 Lint free paper CK 0336 500SH PKG 26 Oiler CK 0349 30cc 27 Plastic bottle CK 0351 30cc 28 Digital multi meter FY9 2032 5 2 2 Special Tool LBP3100 LBP3010B There is no special tool required 5 2 3 List of solvent lubricant LBP3100 LBP3010B T 5 2 Name Usage Remarks Ethel alcohol Cleaning Local procurement e g Metal partsA E Keep fire away Grease Toner contamination Lubricant Apply it on gears etc tool number HY9 0007 Dow Corning Apply it on shafts and shaft supports etc made Molykote EM 50L 5 3 ERROR CODE TABLE 5 3 1 Overview LBP3100 LBP3010B This printer does not have a status panel LCD panel and the messages for statuses and errors that would have been displayed on the status panel during a printer s operations are displayed on the computer display The screen displayed is called Status Window see the following figure The status window informs users of the printer status with messages or animations 5 2 Chapter 5 Messages are displayed on the message area 1 and message area auxiliary 2
25. Chapter 3 F 3 5 A Points to note at installation Attach the left and right fixing pressure arms 2 to the left and right holes 1 of the delivery tray Attach the cartridge lock arm 4 to the arm unit 3 on the delivery tray 3 1 5 Front Cover 3 1 5 1 Preparation for Removing the Front Cover LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper Cover 2 Removing the Left Cover page 3 2 Reference Removing the Left Cov er 3 Removing the Right Cover page 3 1 Reference Removing the Right Cover 3 1 5 2 Removing the Front Cover LBP3100 LBP3010B 1 Release the 2 hooks in the arrow A direction 2 While releasing the 4 hooks 2 in the arrow B direction remove the front cover 3 3 3 Chapter 3 A Points to note at installation Make sure that the switch arm 1 does not contact with the edge of the plate 2 when attaching the cover 3 1 6 Delivery Tray 3 1 6 1 Removing the Delivery Auxiliary Tray LBP3100 LBP3010B 1 Remove the delivery auxiliary tray 1 2 shafts 2 2 shaft supports 3 F 3 7 3 1 7 Pickup Tray 3 1 7 1 Preparation for Removing the Pickup Tray Unit LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper 2 num the Left Cover page 3 2 Reference Removing the Left Cov 3 le the Right Cover page 3 1 Reference Removing t
26. Detection Outline 2 12 DIR AV aa 2 12 2 5 2 22 Delay TIOS 5 ee eoo tete A DI eH be erc ede o V EEE 2 13 VASEALIAMBBIASVAPJAMEURE 2 13 2 93 29 Stationary Jams Gutes e te PR RES CUORE UO GU ERE QUE REC ER UD OPERI 2 13 2 5 2 3 1 Pickup Stationary Jam i Reese nen A 2 13 2 5 2 3 22 Delivery Stationary Jam dr Cols Dec ye ee e ate a yer ate ae te AAA E A e ERE HR 2 13 2 5 2 4 Other Jams reno ferentem Hp EE EE OE YE EEG FARE EE PRX Te nr de e i e eI e e d Te 2 13 2 9 2 4 V Fixing Take up Jain ic scere nee e d ee t aet Eh PD ce MD p ter b P ut a ERE n 2 13 2 3 2 4 2 Remaining Jam at Start up PE AAA ca 2 13 2 6 EXTERNAL AND CONTROLS SYSTEM repran stuns REPRE A A acne sbpndyavaponperpecuass E 2 14 2 63 BOWEL SUPPLY ceri Se A mE o M M LM 2 14 2 6 LT Power Supply endete REN REPERTUS ERE PETI RR Rs EITHER RER UENIUNT ERREUR E ee 2 14 2 6 E 11 Low voltage power circuit mna n eet qe Re a ON RO Mag 2 14 2 6 1 2 Protectiye FUNCION Oe Ree RR EUR ER C e eere rte e aei ede a e ee a 2 15 2 6 L2 1 Power protective function A NO 2 15 Contents 2 6 1 2 2 Safety Mim Chon cy tna 2 16 2 7 ENGINE CONTROL SYSTEM 55 et rer tee erue si e et Ep Seain nn Bi essen 2 16 22 FM Mai Controller iaa 2 16 241 1 General descripta reete a e eie ei AAA AAA AAA A 2 16 21 2 Engme Controller td tds o Sd dde ld do de db de EI LA dde dd Sa 2 16 212 1 General description at n VO TEC IS Hee
27. Fixing film Transfer roller Photosensitive drum DN PS801 Pickup roller Manual feed tray Pickup tray Separation pad F 2 17 PS701 Paper width sensor PS702 Fixing delivery sensor PS801 Paper leading edge sensor M1 Main motor SL1 Pickup solenoid 2 5 2 Detecting Jams 2 5 2 1 Jam Detection Outline 2 5 2 1 1 Overview LBP3100 LBP3010B The following sensors are installed to detect absence presence of papers and whether papers are correctly fed Paper width sensor PS701 Fixing delivery sensor PS702 Paper leading edge sensor PS801 2 12 Chapter 2 t F 2 18 Whether jam occurs or not is judged according to whether a paper is absent present on the sensor at the check timing that has been stored in the CPU of the engine controller When the engine controller judged that jam has occurred print operation is stopped and jam occurrence is noticed to the main controller 2 5 2 2 Delay Jams 2 5 2 2 1 Delivery Delay Jam LBP3100 LBP3010B If there is no paper ahead on paper path CPU detects delivery delay jam in the case that the sheet to print does not reach the fixing delivery sensor PS702 within 1 5 sec approximately after it reaches the paper lead edge sensor PS801 If there is paper ahead on paper path CPU detects delivery delay jam in the case that 1st sheet to print is detected by the fixing delivery sensor PS702 1 5 sec appr
28. LD target level 4 When the laser control signal enters LD forced OFF mode the LD is forcibly turned off The laser driver saves the adjusted laser intensity to the capacitor C1 A 1 Initial APC APC that is executed during initial rotation APC adjusts laser intensity 2 Line space APC APC that is executed during printing Laser intensity for one line is adjusted before writing one line 2 3 4 Laser Scanner Motor Control 2 3 4 1 Overview LBP3100 LBP3010B This is the control to rotate the scanner motor at a constant speed to emit the laser beam on the correct position on the photosensitive drum The following is the control circuit of the scanner motor 2 4 Chapter 2 Engine controller Motor driver PCB Laser scanner unit I I BDI I I I I I I I I Scanner driver ACC Frequncy Integration Drive comparator I circuit ircuit DEC circui I I Reference I clock I I I Oscillator I I F 2 4 The engine controller creates standard clock based on oscillation freguency of the oscillator X300 the cycles of the standard clock is compared with that of BD input signal BDI with a frequency comparator and the rotations of the scanner motor is monitored The engine controller sends the scanner motor acceleration signal ACC and scanner motor deceleration signal DEC to the scanner motor driver accor
29. LUNG KLASSE 3B WENN ERE NICHT DEM STRAHL AUSSETZEN RADIACI N LASER INVISIBLE DE CLASE 3B PRESENTE AL PRECAUCION ABRIR EVITE LA pate HAZ i KLASS 3B OSYNLIG LASERSTR LNING NAR DENNA DEL AR VARNING OPPNAD STRALEN AR FARLIG RN LUOKAN 3B NAKYMATTOMALLE LASER S TEILY AVATTUNA VAROITUS VALTA ALTISTUMISTA S TEELLE 69 gaH se 3B HI2H AOR HAKO wech HAA LSS SAD SE E A e MA RKS BRUG L RU5 8362 Handhabung des Laserteils Bai Servicearbeiten am oder in der N he des Laserteils zuerst das Hauptger t abschalten Bei Servicearbeiten die unbedingt bel eingeschaltetem Ger t durchgef hrt werden m ssen auf jeden Fall die folgenden Worsichtsma fnahmen beachten Keine stark reflektierenden Schraubenzieher oder hnliche Werkzeuge direkt in den Lichtpfad des Laserstrahls bringen Vor Beginn der Arbeit Uhren Ringe und hnliche Gegenst nde abnehmen Reflektierte Laserstrahlen k nnten sonst in die Augen geraten Abdeckungen die m glicherweise Laserstrahlen reflaktieren haben in der auf dem Bild gezeigten Position einen Aufkleber Bei Serwicsarbeiten auf der Innenseite won Abdeckungen mit Aufkleber ist besondere Vorsicht erforderlich F 1 6 1 5 5 Points to Note at Disassembly Assembly Work LBP3100 LBP3010B Be sure to ensure the following notes when performing disassembly assembly work 1 Be sure to disconnect the power plug for safety when performing disassembly assembly work 2 As for assemb
30. Service Manual LBP3010 3100 3150 Series canon Sep 1 2008 Application This manual has been issued by Canon Inc for qualified persons to learn technical theory installation maintenance and repair of products This manual covers all localities where the products are sold For this reason there may be information in this manual that does not apply to your locality Corrections This manual may contain technical inaccuracies or typographical errors due to improvements or changes in products When changes occur in applicable products or in the contents of this manual Canon will release technical information as the 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 manual is copyrighted with all rights reserved Under the copyright laws this manual may not be copied reproduced or translated into another language in whole or in part without the written consent of Canon Inc COPYRIGHT 2001 CANON INC Printed in Japan Caution Use of this manual should be strictly supervised to avoid disclosure of confidential information Introduction Symbols Used This docume
31. There are two types of messages user message and service message The user message prompts users to take some actions and the service message prompts service engineers to do so Ely Canon LBP3100 LBP3108 LBP3150 Job Options Help 1 rinter error Turn off the printer and then turn it back on again after a moment If the same error occurs turn off th printer then contact the store you purchased the 2 printer or a service representative When contacting the service representative inform them 9 the error code displayed and symptoms Error Code E197 0001 N Print Job Information Document Name User Name Computer Name Print Page F 5 3 The following are the details of the service message For the user message please refer to the users guide packaged with the printer 5 3 2 Service Message LBP3100 LBP3010B The service message is displayed when a fault in the printer occurs and called error code The error code is displayed on the message area of the status window screen and its details on the message area auxiliary with the error code Exxx a three digit number is assigned to XXX The following is the list of service messages T 5 3 Error Code Details Measures E000 Error in startup The detected temperature of the thermistor does not reach 35 deg C Check connectors on the fixing film unit within approx 1 5 sec of the heate
32. Y de AAA 5 2 2 Special TOOL iie ddnde det Ea E ects EMO ee eae 3 2 3 Listoof solvent lubricant 5 2 1 2 rtt ee e a ia da 5 3 ERROR CODE TABLE et einer ao deest cte diee In aes aden als 5 9 l OVePVIe Wiz doen aya ER ERR ERU ENSE daa Te 5 3 2 Seryice Message 2 a e dcn op CURE bI Res d a Gant D PREDA ac ERES ee Steet 544 Mersion Up iore asii 5 4 UO parades van cies eoe tester Eat eta a ees de Rod rem NR cM TEN eT Chapter 5 5 1 MEASUREMENT AND ADJUSTMENT 5 1 1 Test Print 5 1 1 1 Test Print Function LBP3100 LBP3010B This equipment has a test print function to check if the printer engine nor mally operates Test patterns horizontal lines are output when executing this test print The following is the operation procedure Feed out direction an 1 Set A4 LTR papers on the pickup tray or the manual feed pickup tray _ ol 2AjOpen and close the delivery tray 1 five times continuously with the A4 sized power switch on The time of opening and closing the delivery tray is ap prox 2 sec or less 3 Test print is executed In this test print pickup from the manual feed tray is executed prior to that from the pickup tray F 5 2 F 5 1 5 1 2 Mechanical Adjustment 5 1 2 1 Checking the Pressure of the Pressure Roller nip LBP3100 LBP3010B The nip width of the fixing unit is not adjustable in this printer however the incorrect nip width may cause the faulty fixing Follow the procedures
33. aser products to be sold in the US must bear this label CANON INC 30 2 SHIMOMARUKO 3 CHOME OHTA KU TOKYO 146 JAPAN MANUFACTURED THIS PRODUCT CONFORMS WITH DHHS RADIATION PERFORMANCE STANDARD 21CFR CHAPTER SUBCHAPTER J 1 5 3 Safety of Toner LBP3100 LBP3010B The machines toner is a non toxic material made up of plastic iron and small amounts of dye Chapter 1 A Do not throw toner into fire Doing so can lead to explosion Toner on Clothing or Skin 1 Remove toner from clothing or skin and wash with water 2 Do not use warm or hot water which will cause the toner to turn jelly like and fuse permanently with the fibers of clothing 3 Toner tends to react readily with vinyl Do not bring it in contact Be sure to avoid using a transparent case made from vinyl chloride If it is in contact with a copy surface the toner on it may melt causing the case and the paper to stick to each other 1 5 4 Handling the Laser Unit LBP3100 LBP3010B The laser scanner unit emits invisible laser beam DO NOT disassemble the unit as the laser beam can possibly damage your eyes The unit cannot be adjusted in the field The following label is attached to the cover of the unit CLASS 3B INVISIBLE LASER RADIATION WHEN OPEN AVOID CAUTI 0 N EXPOSURE TO THE BEAM RAYONNEMENT LASER INVISIBLE DE CLASSE 3B ATTENTION EN CAS D OUVERTURE EVITEZ L EXPOSITION AU FAISCEAU VORSICHT UNSICHTBARE LASERSTRAH
34. constant speed and the laser beam is scanned on the Photosensitive drum at a constant speed latent images are formed on the Photosensitive drum 2 2 Chapter 2 2 3 2 Controlling the Laser Activation Timing 2 3 2 1 Laser ON OFF Control LBP3100 LBP3010B In this control the laser driver turns on off the laser diode LD according to the laser control signal sent from the engine controller The following is the circuit diagram of the laser control Laser driver PCB 3 3V BD Sensor BDI y 5V Engine controller CNT1 Comparator CNTO Logic PCB Samp e hold circuit VOD Main controller Drive NOD circuit Laser driver IC F 2 3 The engine controller sends the laser control signal CNTO CNT1 for changing the operation mode of the laser to the logic circuit in the laser driver IC as well as the video signal VDO VDO for image formation The laser driver IC executes laser control according to the combination of the CNTO CNT1 signals The following is the combination of the laser control signal CNTO CNT1 T 2 2 Operation mode CNTO CNT1 Remarks Discharge L L The capacitor C1 is discharged Data output H H At normal print APC H L At using APC Forced OFF L H At using image mask 2 3 2 2 Horizontal Sync Control LBP3100 LBP3010B This is the control to adjust the writing position in the image horizontal direction The following is the d
35. ding to the detected rotation speed to control the rotation speed 2 3 4 2 Scanner Motor Fault Detection LBP3100 LBP3010B This is the detection of faults in the laser scanner unit When the laser unit scanner unit falls into either of the following status the engine controller judges it as a fault in the laser scanner unit system and notices the status of fault to the main controller The operations of the host machine are stopped 1 Fault in BD input At startup of the scanner BDI signal cannot be detected within 0 1 sec from the completion of forced acceleration of the scanner motor 2 Fault in startup During activating the scanner motor at startup of the scanner the motor rotation exceeds the specified range 98 3 to 102 1 3 Fault in control After startup of the scanner completes correctly BDI signal exceeds the specified value of cycle 10 consecutive times 2 5 Chapter 2 2 4 IMAGE FORMATION SYSTEM 2 4 1 Overview Configuration 2 4 1 1 Overview LBP3100 LBP3010B The image formation system is the core of this eguipment it forms toner images on papers The image formation system is comprised of the following components The engine controller controls the laser scanner unit and high voltage power supply circuit and forms images based on the video signals on papers The following are the details of print process for this equipment and the functions of image formation Fixing unit Pressure roller Fix
36. e when jam occurs The engine controller judges this case as Toner cartridge absent and notices it to the main controller If jam occurs when Toner cartridge absent is detected check if there is a fault in the leading edge sensor and the detection flag Chapter 2 2 5 PICKUP AND FEEDING SYSTEM 2 5 1 Overview Configuration 2 5 1 1 Overview LBP3100 LBP3010B The pickup feeding system executes pickup and feeding of papers and is composed of the main motor solenoid and rollers In this eguipment pickup from the pickup tray and manual feed tray is available There is only a face down delivery Papers set on the pickup tray and manual feed tray are fed by the same pickup roller The papers are fed to the photosensitive drum the transfer charging roller the fixing film unit the pressure roller and then to delivery roller in this order and then they are delivered to the delivery tray The feeding route of papers has three photointerrupters the paper leading edge sensor PS801 the fixing delivery sensor PS701 the paper width sensor PS702 They detect arrival and passing of papers H a paper does not reach or pass through each sensor within a specified time the engine controller judges this status as jam and notices the jam occurrence to the main controller Main controller Engine controller Pressure roller Delivery roller PS702 I IT Q MN ee ZPS701
37. ecter 1 and put the connecter 1 through the hole 2 on the side plate 2 8 Free the harness 2 from the harness guide 1 5 Turn the host machine 1 in the direction of the arrow 3 10 Chapter 3 F 3 35 9 Lift the memory contact unit 1 in the direction of the arrow and release the lower claw 2 F 3 36 10 Remove the memory contact unit 1 2 hooks 2 1 screw 3 F 3 37 Chapter 3 A Points to note at installation When attaching the laser scanner cover 1 put the shutter lever 2 through the hole 3 on the scanner cover 2 3 1 13 Top sensor 3 1 13 1 Preparation for Removing the Paper Leading Edge Sensor LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper 2 ru the Left Cover page 3 2 Reference Removing the Left Cov 3 Ro the Right Cover page 3 1 Reference Removing the Right 4 a N the Rear Cover page 3 1 Reference Removing the Rear 5 ou the Main Controller PCB page 3 9 Reference Removing the Main Controller PCB 3 1 13 2 Removing the Paper Leading Edge Sensor LBP3100 LBP3010B 1 Remove the inner rear cover 1 screw 2 2 Remove the terminal 1 and free the harness 3 from the harness guide 2 3 12 F 3 39 3 Disconnect the 4 connecters 1 and free the harness 3 from the har
38. ein ice eden oam eerte a tee te ead 3 14 3 2 1 1 Preparation for Removing the Laser Scanner Un eee ee eee eee eee eee eee 3 14 3 2 1 2 Removing the Laser Scanner Un eee eee eee eee eee 3 3 IMAGE FORMATION SYSTEM T 3 3 1 Transfer Charging Roller 3 3 1 1 Removing the Transfer Roller 3 4 PICKUP AND FEEDING SYSTEM 3 471 Pickup Unt 56e ise T Su iced detti to o etse cedet Sec eter seen 3 4 1 1 Preparation for Removing the Pickup Unit sesnesnsossnesesnuennsonsnnonnsnennonssnosnusnesnonsssunnusnenssnnssnssennasnensonessnenneonsonenssnensenssen 3 4 1 2 Removing the Pickup B T sense e erede er eene rere epa sdsdedecedeesedviescavddvesedesteeves eddie ng 34 2 Gassette Pickup ROE A a easa asa ARSA WORTH ERE MENTH SET HERREN REPRE ERR EO OCUPA E RES EE AER tes 3 4 2 1 Removing the Pickup Roller sees eee eee 34 3 Cassete Pick p solernoid 52 8 2 m edet o ete iia 3 4 3 1 Preparation for Removing the Pickup Solenoid sese eee eee eee eee eee 3 4 32 Removing thie Pickup Solerioid TT 3444 Gassette Separation h A rt GER GI ORDERS AEN RH LEUR AURRUR REL Sf ERE EAE RS 3 4 4 1 Removing the Separation Pad esse eee eee ee eee eee eee IS FIXING SYSTEM TTT 331 Fang Bl seiner ge tn Heer ret eed ea eon en 3 5 1 1 Preparation for Removing the Fixing Unit 3 5 1 2 Removing the Fixing Unit esee 3 5 2 Fixing FilrtvUnit iiie Res 3 5 2 1 Preparation for Remov
39. en leanne A daa d 2 6 2 4 1 Overview Configuration ia 2 6 CD A OETA UD 2 6 DATA A o O T H ET TEE TEE Sti aT T E TTUdeD 2 6 2 4 1 3 Static Latent Image Formation Block ccsccsccssssecceeeeseceseeseceeeseateaessaecsessaecseeseeeaeesessaeeseseaessaesaeaeesaeesessaseaesseseaesneneaeeneeeaees 2 7 2414 Development Block 2 rrt mee tenir teen rete cie 2 8 2 4 54Transfer BIOCK mn es tne nde erre nee einer e me NO TO 2 8 VEI cm M adhieail oh 2 9 2 4 1 7 Brum Coleaning BloCK 2n itte ete e e ee reed dte ree ru eee ree pr te Reden Pep 2 9 2 42 High Voltage Gontrol daba 2 10 Ded MCV NI AE 2 10 2 4 2 2 Generating Primary Charging Bias esser essere reenn erne 2 10 2 4 2 3 Generating Developing Bias sese 2 10 2 4 2 4 Generating Transfer Bias unas nen Een Lane 2 11 DAS Toner Cartridges E 2 11 2 4 3 1 Toner Level Detection 5 rn erre deren enn eie Erben a Eee a rehenes eroe ER ER 2 11 2 4 3 2 Toner Cartridge Absence Presence Detection eee ereenn 2 11 Contents 2 5 PIGKUP AND FEEDING SYSTEM cisco iii dias opto stats d aee een ae esas daras 2 12 25 1 OVerview Configurali n armani id B tetto ee ti deae dat aah es cdta 2 5 1 1 Overview sese ee eee eee eee 2 5 2 Detecting Jams T 2 5 2 1 Jam Detection Outline 2 5 2 2 Dela
40. ennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnennnnnnnnnnnnnnn 3 1 8 2 Removing the Drive Belt ines 3 1 9 Main Drive UNE 2 2 ia 3 1 9 1 Preparation for Removing the Main Motor 3 1 9 2 Removing the Main Motor 3 1 10 Engine controller board eee 3 1 10 1 Preparation for Removing the Engine Controller PCB 3 1 10 2 Removing the Engine Controller PCB ass P ENNI H Main Controller PCB itr e n EGER UE RR GR MEDII enu diii nuls Contents 3 1 11 1 Preparation for Removing the Main Controller PCB sese eee eee ee eee eee 3 9 3 1 11 2 Removing the Main Controller PCB sss sees seer 3 9 3 1412 Relay Io E ED ana ath oa a o 3 9 3 1 12 1 Preparation for Removing the Memory Contact Unit sese eee eee ee eee eee eee eee 3 9 3 1 12 2 Removing the Memory Contact Unit sees sese eee eee eee ee eee 3 9 SSIS TOP SENSOR 4 4 MM PS 3 12 3 1 13 1 Preparation for Removing the Paper Leading Edge Sensor nennen 3 12 3 1 13 2 Removing the Paper Leading Edge S nsor ecessecesseeccesseeeeeseenecesesseeeaeeseeaesaeeseeeaeesaesaeeeaeeaessaeeaeeaesaeseeeaesaeeeaeeeeeeaeeaees 3 12 KRE nelci ele ii HERE EORR ERR RR ERR RN UR GI DR RAE 3 13 3 1 14 1 Preparation for Removing the Sensor DCB sees eee eee eee eee ee eee 3 13 3 1 14 2 Removing the Sensor PCB a ee rk IE 3 13 3 2 LASER EXPOSURE SYSTEM tero t t E ie aeo iu tennis 3 14 3 21 kaser Scanner Unit essen eine tai nO nies s
41. etails of control procedure Chapter 2 1 The engine controller controls the laser control signal during unblanking to emit the laser diode LD forcibly 2 The BD PCB exists on the scanning route of the laser beam which is sent to the BD PCB 3 The BD PCB detects this laser beam creates BD input signal BDI and sends it to the engine controller 4 The engine controller creates horizontal sync signals BD based on BDI signal and sends the BD signal to the main controller 5 When BD signal is input the main controller outputs the video signal VDO VDO to the engine controller to adjust the writing position in image horizontal direction Unblanking period The period during which the laser diode is emitted in non image area 2 3 3 Laser Control 2 3 3 1 Auto Power Control APC LBP3100 LBP3010B This is the control to emit a constant level of laser diode There are two types of APC initial APC note 1 and line space APC note 2 The laser driver executes the same procedure for both controls The following is the details of the control procedure 1 When the laser control signal enters APC mode CNTO H CNT1 L the laser driver emits LD in APC mode 2 The emission level of LD is detected with photo diode PD converted from current output to voltage and compared with the standard voltage voltage equivalent to the target laser level 3 The laser driver controls the laser current to achieve the voltage of
42. g th Front COvet sertis cite reete tite orto bed eco ied pete dete OAR eno Taar Pee Eee n EREE eT herren 3 3 3 1 5 2 Removing the Front Cover 3 L 6 Delivery O aspen ta ED HEUTE 3 1 6 1 Removing the Delivery Auxiltatty Tray aaa da 3 4 3 1 7 Pickup Trata 3 4 3 1 7 1 Preparation for Removing the Pickup Tray Unit canina ii ais 3 4 3 4 7 2 Removing the Pickup Tray Umit 2 22 12 tA Oe A te TA Ue iHa Tte 3 4 SelB Drive Umit 4 2222 3 5 3 1 8 T Preparation for Removing the Drive Belt aee eh RC ida i 3 5 318 2 Removing the Drive Belt 3 aaa RE econ lee eth a edie MORE EAM ME o erue 3 5 3 1 9 Main Drive Unit fic eornm ere e eee ete ree dre ERR UE e eu e de vr tert ee 3 6 3 4 9 T Preparation for Removing the Maiti M tor 2 22 2224 Date ree e eere e e Dt P pe e cass ae tet ee a ente 3 6 3 1 9 2 Removing the Main Motor iic etit eerie e E ETE CE EERE GRE ER nm AIDA HET NETTES REEF Eve daa 3 6 31 10 Enguie controller board t tee eet Ernesto Mh p dete ed oer eee ee es 3 8 3 1 10 1 Preparation for Removing the Engine Controller PCB 3 8 3 1 10 2 Removing the Engine Controller PCB 31 Lf Main Controller PCB ascen en Eu ot Eee erudi d eure eee c tds 3 1 11 1 Preparation for Removing the Main Controller PCB 3 9 3 1 11 2 Removing the Main Controller PCB 3 142 Relay Board sc t ortae pA E en E E E ee dd Be 3 1 12 1 Preparation for Removing the Memory Contact Unites esse sees sees eee 3 9 3 1
43. g the Pickup Roller 3 4 3 Cassette Pickup solefiold eno e RR air en iras 3 4 3 1 Preparation for Removing the Pickup Solenoid sss nete tnetntretnt tete te there tn etre tette teen trennen nnne 3 4 3 2 Removing the Pickup Sold dead 3 4 4 Cassette Separation Pd HE i A p Ua ohms 3454 1 Removing the Separation Pad ta 3 2 FIXING SYSTEM ent Beten pita se eerie 3 5 TEE UT erro vo nva e n HDD EUR EGER 3 5 1 1 Preparation for Removing the Fixing Unit 3 5 1 2 Removing the Fixing Unit in Kst ERR DERNIER REP RR PR PENSA d DEA Film Ai 3 5 2 1 Preparation for Removing the Fixing Film Unit essent tenente te EE tnene tete SEESE te test ense e ette 3 5 2 2 Removing the Fixing Elm rT tener er ao ada E 35 3 Fixing Pressure Roller oen ER ee debe bete e hehe d trie bed adde n ees 3 5 3 1 Preparation for Removing the Fixing Pressure Roller 3 5 3 2 Removing the Fixing Pressure Roller iret etit e HERE Pe Han e Fee nannten intern TERR E RECEN EUER e teren Chapter 3 3 1 EXTERNAL AND CONTROLS SYSTEM 3 1 1 Rear Cover 3 1 1 1 Preparation for Removing the Rear Cover LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper Cover 2 Removing the Left Cover page 3 2 Reference Removing the Left Cov er 3 Removing the Right Cover page 3 1 Reference Removing the Right Cover 3 1 1 2 Removing the Rear Cover LBP3100 LBP3010B 1 Release the 2 cla
44. he Right 4 pue the Front Cover page 3 3 Reference Removing the Front 5 e MN the Rear Cover page 3 1 Reference Removing the Rear 6 oo the Separation Pad page 3 18 Reference Removing the Sep aration Pad 3 4 3 1 7 2 Removing the Pickup Tray Unit LBP3100 LBP3010B 1 Remove the 4 screws 1 F 3 8 2 Turn the host machine 1 in the direction of the arrow F 3 9 3 Remove the pickup tray unit 3 4 screws 1 4 hooks 2 Chapter 3 3 Removing the Right Cover page 3 1 Reference Removing the Right Cover 4 Removing the Front Cover page 3 3 Reference Removing the Front Cover 3 1 8 2 Removing the Drive Belt LBP3100 LBP3010B 1 Remove the tension unit 1 1 screw 2 2 Remove the drive cover 1 4 screws 2 A Points to note at disassembly When removing the 4 screws 1 hold the driver cover 2 by hand Otherwise the spring 3 inside the drive cover may be lost When attaching the pickup tray to the host machine put the pickup tray 2 onto the pickup roller 1 3 1 8 Drive Unit 3 Remove the 2 gears 1 3 1 8 1 Preparation for Removing the Drive Belt LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper Cover 2 Removing the Left Cover page 3 2 Reference Removing the Left Cov er Chapter 3 3 6
45. igh Voltage Control 2 4 2 1 Overview LBP3100 LBP3010B This circuit is comprised of the circuits that apply biases to the primary charging roller developing cylinder transfer roller and the fixing control circuit The CPU of the engine controller controls the high voltage power supply circuit to generate these biases The fixing control circuit executes heater control of the fixing as sembly according to the instruction by the CPU of the engine controller The following is the block diagram of this circuit Engine controller High voltage power supply Primary I charging high voltage generation PRI p circuit E DEV H Developing high voltage generation circuit Transfer high voltage generation circuit TR Transfer roller 2 4 2 2 Generating Primary Charging Bias LBP3100 LBP3010B The primary charging bias PRI is a DC negative bias that is output to apply an even negative potential to the surface of the photosensitive drum The primary charging high voltage generating circuit in the high voltage power supply circuit generates this bias The high voltage power supply circuit applies the generated primary charging bias to the primary charging roller at a specified timing The primary charging bias varies in conjunction with the developing bias according to the information of image density sent from the main controller 2 4 2 3 Generating Developing Bias LBP3100
46. ignal FSRD according to the detected temperature The fixing heater drive PCB controls the fixing heater according to this signal to keep the fixing heater temperature within the target values The following is the block diagram of this control Engine controller Fixing control Low voltage power supply E Relay drive circuit Frequency detection circuit FREQSNS 220 240V model only M Fixing heater safety circuit FSRD Fixing heater drive circuit 24VOFF Fixing heater H1 Thermistor TH1 Pressure roller Fixing film Thermal fuse TP1 F 2 24 There are 8 types of target fixing temperature depending on the fixing mode These types are according to the paper type settings and resolution settings see the note below etc on a driver The following is the relation list of the fixing target temperature and the driver settings T 2 5 Settings on Printer Driver Target fixing temperature Paper type settings Sub scanning direction 2 19 Chapter 2 Plain paper 600dpi 155 to 170 deg C 400dpi 170 to 190 deg C Plain paper L 600dpi 145 to 160 deg C 400dpi 160 to 180 deg C Thick paper 600dpi 180 deg C Thick paper H 600dpi 185 deg C Transparency 600dpi 150 to 160 deg C 400dpi 165 to 180 deg C Postcard postcard H 600dpi 188 deg C 400dpi 188 deg C Envelope 600dpi 130 to 150 deg C Labels 600dpi 1
47. in Controller PCB LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Referense Removing the Upper Cover 2 Removing the Left Cover page 3 2 Referense Removing the Left Cov er 3 1 11 2 Removing the Main Controller PCB LBP3100 LBP3010B 1 Remove the main controller unit 1 flat cable 2 1 screw w washer 3 2 screws TP 4 4 F 3 26 2 Remove the guide 1 in the arrow A direction 1 claw 2 3 Remove the 4 screws 3 and remove the main controller PCB 4 in the arrow B direction 1 2 3 3 1 12 Relay Board 3 1 12 1 Preparation for Removing the Memory Contact Unit LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper Cover 2 Removing the Left Cover page 3 2 Reference Removing the Left Cov er 3 Removing the Right Cover page 3 1 Reference Removing the Right Cover 4 Removing the Front Cover page 3 3 Reference Removing the Front Cover 5 Removing the Rear Cover page 3 1 Reference Removing the Rear Cover 6 Removing the Separation Pad page 3 18 Reference Removing the Sep aration Pad 7 Removing the Pickup Tray Unit page 3 4 Reference Removing the Pickup Tray Unit 3 1 12 2 Removing the Memory Contact Unit LBP3100 LBP3010B 1 Remove the scanner sub cover 1 1 screw 2 F 3 28 2 Remove the scanner cover 1 3 screws 2 3 9 Chapter 3 F 3 32 F 3 29 3 Disconnect the conn
48. ing film unit oner Cartridge Photosensitive drum Laser beam Laser scanner unit Transfer roller To developing cylinder To primary charging roller A Engine controller VIDEO signal Main controller 2 4 1 2 Print Process LBP3100 LBP3010B This explains the basic process of the operations that a printer executes for image formation The print process of this equipment is divided largely into 5 blocks 7 steps Toner images are formed on papers by executing the steps of each block in order The following are the blocks of print process and the steps 1 Static latent image formation block Step 1 Primary charging Step2 Laser beam exposure 2 Development block Step 3 Development 3 Transfer block Step 4 Transfer Step 5 Separation Chapter 2 4 Fixing block Step 6 Fixing 5 Drum cleaning block Step 7 Drum cleaning Electrostatic latent image formation block Paper path 4 Rotational direction of the drum Develoment block Drum cleaning block A ee i Pick up G Transfer block F 2 6 2 4 1 3 Static Latent Image Formation Block LBP3100 LBP3010B This block is comprised of two steps and forms static latent images on the photosensitive drum When the final step of this block completes negative charge remains at dark areas on the drum surface where laser beam has not been exposed and negative charge is elimina
49. ing the Fixing Film Unit 3 5 22 Removing the Fixing Film Unit 3 5 3 Fixing Pressure Roller esee 3 5 3 1 Preparation for Removing the Fixing Pressure Roller 3 5 3 2 Removing the Fixing Pressure Roller sse eee ee eee eee Chapter 4 MAINTENANCE AND INSPECTION 4 1 Periodically Replaced Pana RE TE AA EEE E EA EENAA EE 4 1 4 1 1 Periodically Replaced H lT 4 1 4 2 CONSUME iia it A v xor etr go et te ee br te e A A AEE 4 1 42 Consumables oe td osi tan e ied n en e en dite cete det Edna 4 1 4 3 Periodical Service 5 i rete teal eerte ade ern A en dr eye menma 4 1 43 1 Sched led Servicinig 5 i tte dec rt emit tate i e i ated att ace er edet o tet 4 1 4 4 Cleaning 22 ciet quel i hn dete etur et esie EE eu do bee RD ee tapas 4 1 4 4 1 Cleaning Method cct ce ere E eene Pee ic ere depot ER Ted e iv e Robe ee eR EE d 4 1 Chapter 5 TROUBLESHOOTING 5 1 MEASUREMENT AND ADJUSTMENT oooccccoccnccnncnncnnncononoconononocononnncnnnnnnnnnnnnnnnnonnnnnnnnnnonnnnnnnnnnononnnnnannnininns 5 1 5 Ic b Test ll d is 5 a is 5 1 ES BR RR OSE Print A E E 5 1 3 1 2 Mech nical Adjustment nmre se ae crate c ete crabe ra e pee Eur ro te tetendit hs dee ae eoa e eee seco 5 1 5 1 2 1 Checking the Pressure of the Pressure Roller nip nennen nnne nnne nnne 5 1 Contents 5 2 SERVICE TOOLS init HT 5 2 5 2 1Standard AAA
50. ing the Upper Cover 2 Removing the Left Cover page 3 2 Reference Removing the Left Cov er 3 Removing the Right Cover page 3 1 Reference Removing the Right Cover 4 Removing the Rear Cover page 3 1 Reference Removing the Rear Cover 5 Removing the Main Controller PCB page 3 9 Reference Removing the Main Controller PCB 6 Removing the Fixing Assembly page 3 18 Reference Removing the Fixing Assembly 7 Removing the Fixing Film Unit page 3 20 Reference Removing the Fixing Film Unit 3 5 3 2 Removing the Fixing Pressure Roller LBP3100 LBP3010B 1 Remove the fixing pressure roller 1 A Do not touch the surface 1 of the fixing pressure roller 1 F 3 68 3 21 Chapter 4 MAINTENANCE AND INSPECTION Contents Contents 4 1 Periodically Replaced Parts tur a tn bei ss Hein 4 1 4 1 1 Periodically Replaced a sn ben 4 1 4 2 Consumables 4 2 1 Consumables 4 3 Periodical a qi ERU SEE QUEEN EE ERR REFER PU MEI EU ORE RETE TR RR ERE RUE 4 1 43 1 Scheduled Servicmg sen eR ae EB GE Ree E e Bee ns Bean e 4 1 4 4 Cleaning nna DRE PDA D t eO rv er te ee 4 1 4441 Cleaning Method rei ete e ene ge Ari 4 1 Chapter 4 4 1 Periodically Replaced Parts 4 1 1 Periodically Replaced Parts LBP3100 LBP3010B There is no periodically replaced part with this machine 4 2 Consumables 4 2 1 Consumables LBP3100 LBP3010B There is no consumable wi
51. ivery auxiliary tray 1 and the delivery tray 2 Ronee the u ne 2 Open the right and left claws 3 and remove the pickup roller 4 6 screws 2 A Avoid contact with the transfer roller when removing the pickup roller 3 16 Chapter 3 F 3 53 3 4 3 Cassette Pickup solenoid 3 4 3 1 Preparation for Removing the Pickup Solenoid LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper Cover 2 Removing the Left Cover page 3 2 Reference Removing the Left Cov er 3 Removing the Right Cover page 3 1 Reference Removing the Right Cover 4 Removing the Rear Cover page 3 1 Reference Removing the Rear Cover 5 Removing the Main Controller PCB page 3 9 Reference Removing the Main Controller PCB 3 4 3 2 Removing the Pickup Solenoid LBP3100 LBP3010B 1 Remove the inner rear cover 1 1 screw 2 3 F 3 55 3 Disconnect the 4 connecters 1 4 Free the harness 3 from the harness guide 2 5 Remove the screw 5 to remove the pickup solenoid 4 3 17 Chapter 3 F 3 56 A Points to note at installation When at
52. ly procedure perform the reverse procedure of disassembly unless otherwise instructed 3 Avoid making mistakes in the type of screws length diameter and usage locations for assembly 4 Screws w washer are used as mounting screws for grounding wires and varistors with the aim of checking electric continuity Be sure to use this screw for as sembly 5 Basically do not activate the machine with their parts being removed 6 Do not remove paintlock screws at the time of disassembly Chapter 2 TECHNICAL REFERENCE Contents Contents 2 1 Functional Config ration uito tice e eie pe milenio tc a eite teet PME IM es re ae rein so ee ress M 2 2 Basic Sequence still lid ica ime 2 2 l iBasic Sequence Of Operation nu e Le ida 2 2 2 Power On Sequence EE 2S PASER EXPOSURE SYSTEM 3222 nr be o etui bte ue ode TR ER Sapte UPS TES 2 3 1 Overview Configuration a lictor ed ette e a n ede e bee e eb bb bete o PO e reden VASORUM E J 2 3 2 Controlling the Laser Activation Timing 2 32 1 Easer ON OBE Control nette DP RE EP P e E t Pet e Pe RU ree hp b e 2 3 22 Horizontal Sync a DEC aa ACR NOE 2 3 3 Laser Control 2 3 3 1 Auto Power Control APC use ein eee ERE EE id 2 34 Laser Scan er Motor Control nte ses nn axe e ORA er dE s genossen DSA NM OVERVIEW ia e o EEE EAEE ER Lied 2 3 4 2
53. ness guide 2 4 Remove the paper leading edge sensor 4 2 3 F 3 40 Chapter 3 A Points to note at installation When attaching the terminal 1 make sure that the contact spring 2 contacts as shown 3 1 14 Sensor Boade 3 1 14 1 Preparation for Removing the Sensor PCB LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper 2 ee the Left Cover page 3 2 Reference Removing the Left Cov 3 omm the Right Cover page 3 1 Reference Removing the Right 4 a the Rear Cover page 3 1 Reference Removing the Rear 5 er the Main Controller PCB page 3 9 Reference Removing the Main Controller PCB 3 1 14 2 Removing the Sensor PCB LBP3100 LBP3010B 1 Remove the inner rear cover 1 1 screw 2 2 Remove the terminal 1 and free the harness 3 from the harness guide 2 F 3 42 3 Remove the 4 connecters 1 and free the harness 3 from the harness guide 2 4 Disconnect the connecter 4 and remove the sensor PCB 5 4 5 3 2 F 3 43 3 13 Chapter 3 A Points to note at installation contacts as shown Lit Fh rn NZZ al LTR 2 i LE Ja a P ire EN d pa Ss E When attaching the terminal 1 make sure that the contact spring 2 Mp U 3 2 LASER EXPOSURE SYSTEM 3 2 1 Laser Scanner Unit 3 2 1 1 Preparation for Removing the Laser Sca
54. nner Unit LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper Cover 2 Removing the Left Cover page 3 2 Reference Removing the Left Cov er 3 Removing the Right Cover page 3 1 Reference Removing the Right Cover 4 Removing the Front Cover page 3 3 Reference Removing the Front Cover 3 2 1 2 Removing the Laser Scanner Unit LBP3100 LBP3010B 1 Remove the scanner sub cover 1 1 screw 2 2 Remove the scanner cover 1 3 screws 2 3 14 F 3 45 3 Remove the laser scanner unit 1 1 flat cable 2 1 connecter 3 4 screws 4 A Do not disassemble the laser scanner unit because it needs adjustment F 3 46 A Points to note at installation When attaching the laser scanner cover 1 put the shutter lever 2 through the hole 3 on the scanner cover Chapter 3 3 3 IMAGE FORMATION SYSTEM 3 3 1 Transfer Charging Roller 3 3 1 1 Removing the Transfer Roller LBP3100 LBP3010B 1 Open the delivery auxiliary tray 1 and the delivery tray 2 2 While pushing the 2 claws 3 remove the transfer roller 4 F 3 47 Avoid contact with the transfer roller when removing the pickup roller
55. nner motor unit Four faced mirror SCANNER MOTOR SPEED CONTROL signal LASER CONTROL signal BD INPUT signal VIDEO signal Engine Controller Main controller F 2 2 The operational sequence of the laser scanner unit is described below 1 When the Main controller sends print instruction command the Engine controller rotates the Four faced mirror causing the Scanner motor to rotate 2 When the Scanner motor starts to rotate the Engine controller emits the laser forcibly using the Laser control signal causing the Engine controller to start rotation control for the Scanner motor 3 The Engine controller controls to keep a constant speed of rotation of the Scanner motor using the Scanner motor speed control signal 4 After the rotation speed of the Scanner motor reaches its target the Main controller sends VIDEO signals to the Laser driver PCB 5 The Laser driver emits laser diode according to these signals 6 The laser beam passes through the collimator lens and the cylindrical lens and enters the Four faced mirror rotating at a constant speed 7 The laser beam reflected by the Four faced mirror is focused on the Photosensitive drum via the image forming lens at the front of the Four faced mirror 8 When the Four faced mirror rotates at a constant speed the laser beam on the Photosensitive drum is scanned on the Photosensitive drum at a constant speed 9 When the Photosensitive drum rotates at a
56. ntation uses the following symbols to indicate special information Symbol Description BO TE ba Indicates an item of a non specific nature possibly classified as Note Caution or Warning Indicates an item requiring care to avoid electric shocks Indicates an item requiring 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 description of a service mode Provides a description of the nature of an error indication Introduction The following rules apply throughout this Service Manual 1 Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with refer ence to the timing of operation In the diagrams NW N represents the path of mechanical drive where a signal name accompanies the symbol the arrow indicates the direction of the electric signal The expression turn on the power means flipping on the power switch closing the front door and closing the delivery unit door which results in supplying the machine with power 2 In the digital circuits l is used to indicate that the
57. oller DC bias 7 7 777 F 2 11 Step 5 Separation In this step DC negative bias is applied to the static eliminator according to the elasticity of papers to separate the papers from the photosensitive drum The static eliminator is used to stabilize the paper feed system prevention of toner stray that appears as polka dots on print images in a low temperature low humidity envi ronment and neutralizes the electric charge at the back of papers Photosensitive D d SE SE CS Media Static charge elliminator Transfer roller F 2 12 2 4 1 6 Fixing Block LBP3100 LBP3010B This block applies pressure and heat to papers and the toner on them to fix toner images to the papers Step 6 Fixing This step employs on demand fixing that fixes toner images transferred to papers on the papers Fixing heater Fixing film Pressure roller F 2 13 2 4 1 7 Drum Cleaning Block LBP3100 LBP3010B The drum cleaning block removes the toner remained on the photosensitive drum Step 7 Drum cleaning In this step toner remained on the photosensitive drum is removed The cleaning blade scrapes the leftover toner on the surface of the photosensitive drum the toner is collected into the cleaner container By implementing the above step the surface of the photosensitive drum is cleaned 2 9 Chapter 2 Cleaning blade EN Photosencitive e 9 9 es eo 2 4 2 H
58. on development The toner projection development makes the toner jump on the surface of the photosensitive drum and develops the images The toner developer used for this equipment is a one component toner that comprises magnetic body and resin etc Step 3 Development Toner is affixed to static latent images on the surface of the photosensitive drum The toner is charged negatively by friction between the developing cylinder and the surface of the developing blade An area on the photosensitive drum exposed with laser beam has higher potential than the developing cylinder the potential difference between the drum surface and the cylinder enables the toner to jump on the drum surface and makes them visible images AC bias superimposed with the development DC negative bias is applied to the developing cylinder Blade Developing cylinder C2 AC bias r4 DC bias Photosensitive drum F 2 10 2 4 1 5 Transfer Block LBP3100 LBP3010B This block is comprised of two steps it transfers toner images on the surface of the photosensitive drum to papers Step 4 Transfer In this step toner images on the photosensitive drum are transferred to papers This equipment applies DC positive bias to the transfer roller facing the photosensitive drum and charges papers positively This enables toner negatively charged on the surface of the photosensitive drum to be transferred to papers Chapter 2 Photosensitive Transfer r
59. oximately after the 2nd sheet to print reaches the paper lead edge sensor PS801 2 5 2 3 Stationary Jams 2 5 2 3 1 Pickup Stationary Jam LBP3100 LBP3010B CPU detects pickup stationary jam in the case that the sheet to print is detected 5 6 sec approximately after it reaches the paper lead edge sensor PS801 2 5 2 3 2 Delivery Stationary Jam LBP3100 LBP3010B If 0 9 sec passes after the paper leading edge sensor PS801 detects the paper absent and in addition the fixing delivery sensor PS702 cannot detect the paper within approx 0 4 sec after that CPU determines the delivery stationary JAM 2 5 2 4 Other Jams 2 5 2 4 1 Fixing Take up Jam LBP3100 LBP3010B CPU detects fixing take up jam in the case that the fixing delivery sensor PS702 detects absence of paper no paper for 0 9 sec approximately after the sheet to print reaches the fixing delivery sensor PS702 and the paper lead edge sensor PS801 detects absence of paper no sheet 2 5 2 4 2 Remaining Jam at Start up LBP3100 LBP3010B CPU detects residual jam when meeting the following conditions If either of the paper width sensor PS701 the fixing delivery sensor PS702 or the paper lead edge sensor PS801 detects a sheet to print when the power is turned ON or the door is open If either of the paper width sensor PS701 the fixing delivery sensor PS702 or the paper lead edge sensor PS801 detects a sheet to print after Auto Delive
60. prevent the toner remained on the photosensitive drum from attaching to the transfer roller at paper intervals during continuous printing A minor transfer positive bias is applied to the transfer roller Print bias The bias to transfer the toner on the surface of the photosensitive drum to papers at the time of print sequence The transfer positive bias is applied to the transfer roller 2 4 3 Toner Cartridge 2 4 3 1 Toner Level Detection LBP3100 LBP3010B This equipment has no function of toner level detection 2 4 3 2 Toner Cartridge Absence Presence Detection LBP3100 LBP3010B The engine controller detects the position of the Toner cartridge detection flag to judge the absence presence of the Toner cartridge At the time of turning on the power or closing the upper cover the engine controller judges the position of the Toner cartridge flag based on the output result of the leading edge sensor PS801 When the output result of PS801 is L it is judged that the Toner cartridge is absent If being H it is judged that the Toner cartridge is present Engine controller PS801 Toner cartridge detection flag Top of paper sensor detection flag Toner cartridge Yes PS801 L Toner cartridge No PS801 H F 2 16 The leading edge sensor performs both this detection and paper feed detection Therefore the engine controller cannot make a judgment of Toner cartridge absent or jam occurrenc
61. printer This equipment has a compact body that realizes high speed print of 16 prints min A4 or 14 prints min A4 See MEMO 1 2 Reduction in standby time and energy consumption This equipment employs on demand fixing where the heater activates only during printing resulting in a reduction in standby time and energy consumption on this mode 3 Realization of noise reduction and stable image quality This equipment employs a belt drive method for transmitting the drive of the main motor This enables lower noise and more stable image quality compared to the conventional gear drive method See MEMO 2 4 Improved Usability In this equipment the power switch is situated at the front of the host machine and maintenance jam removal replacing the cartridge can be performed by ac cessing one point of the delivery tray MEMO 1 For this equipment the 16 ppm model and 14 ppm model are available according to the sales area The only difference between these models is the processing speed The following is the brand name for each product The letter B at the end of brand name in the following table indicates that the external color of the product is black The external color of the base model without the letter B at the end of brand name is white MEMO 1 We have two types of machine for 16ppm prints min and 14ppm prints min The only difference between these two types of machine is process speed The following are
62. r being turned on Replace the fixing film unit The detected temperature of the thermistor is 100 deg C or lower in Replace the engine controller PCB standby mode E001 Error in abnormally high temperature The detected temperature of the thermistor is 220 deg C or higher 30 Check connectors on the fixing film unit times consecutively Replace the fixing film unit Replace the engine controller PCB E003 Error in abnormally low temperature After the heater is turned on the detected temperature of the Check connectors on the fixing film unit thermistor is 100 deg C or lower at the time of printing after reaching Replace the fixing film unit 50 deg C Replace the engine controller PCB After the heater is turned on the detected temperature of the thermistor is 55 deg C or lower at paper intervals or in cleaning mode after reaching 50 deg C E004 Error in fixing heater drive circuitry For 200V machines only An abnormal frequency is detected on the fixing drive circuit within Check connectors on the fixing film unit approx 3 3 sec of the power being turned on Replace the fixing film unit Replace the engine controller PCB E100 Error in Scanner Unit Check connectors on the scanner unit Replace the scanner unit At startup of the scanner BDI signal cannot be detected within 0 1 Replace the engine controller PCB sec after forced acceleration of the scanner motor At startup of the scanner during activation
63. ransfer the toner image onto paper LSTR From the end of PRINT period until To deliver the last paper completely Return to the INTR period as soon as last rotation the Main motor stops out of the printer another print command is sent from the main controller 2 2 2 Power On Sequence LBP3100 LBP3010B The sequences from the power ON to the STBY period are described below 1 Power ON 2 CPU initialization 3 Video interface communication start 4 Residual paper check Detecting paper presence by each sensor signaling 5 Initial drive for main motor 6 Initial drive for fixing heater 2 1 Chapter 2 Controlling fixing temperature targeting for 120 deg C 7 Initial drive of the scanner motor 8 High voltage control Detect cartridge presence after primary charging AC bias is applied Cleaning transfer roller 9 Failure Abnormality check Detecting fixing unit failure and door open during above periods 2 3 LASER EXPOSURE SYSTEM 2 3 1 Overview Configuration 2 3 1 1 Overview LBP3100 LBP3010B The laser Exposure system forms static latent images on the photosensitive drum according to the VIDEO signals sent from the main controller and is comprised of the laser driver and scanner motor etc There are controlled by the engine controller The following is the outline of the laser Exposure system Photosensitive drum BD sensor Laser unit Collimator Forcus lens lens Sca
64. rget temperature of the fixing assembly within the range of approx 155 deg C to 170 deg C Mode 3 sequence For prevention of temperature increase in the delivery unit Condition paper width is 190mm or longer Operation print speed drops to 5ppm from the 25 1st sheet of continuous Simultaneously control the target temperature of the fixing assembly within the range of approx 132 deg C to 134 deg C 2 21 Chapter 3 DISASSEMBLY AND ASSEMBLY Contents Contents SJ EXTERNAL AND CONTROLS SYSTEM eerte tere uet abs ie Hierin 3 1 S L e e M 3 1 3 1 1 1 Preparation for Rem ving the Rear Cover iret ee e es ee a D Pe u cab ree OO EE En 3 1 3 1 1 2 Removing the Rear Covent certi ie REDE A ERE EENET THREE EX TERRE asar 3 1 3 12 Right COVERY a o eee be ente en e bb de dde p Pg ce d sa debt ge shell nen 3 1 3 1 2 1 Preparation for Removing the Right Cover nnu n sense AS 3 1 3 12 2 Removing the Right COVet us i euer EN ERNRE LIQUET RS ERNEUT TESTEN E MERE sh abh 3 1 AN L E E M E Me EU RN 3 2 3 1 3 1 Preparation for Removing th Left Cover iia n PUE eet PEE RII tn it ERE EHE ETENEE EE Ere LACE ee eee eee eee dle RE pepe YT 3 2 3 1 3 2 Removing the Left Coyet ar sc eee e Re ete de rere apa e e PER REO Ea Seah Ges ETT E S e Ae ae RH AN an sse 3 1 4 1 Removing the Upper Cover Salt 5 Bront COVERS EEE NN 3 1 5 1 Preparation for Removin
65. rs cannot be fed correctly Not lighting Indicates that the machine can make prints lt Key gt Pressing this key after executing pickup of paper or jam removal restarts printing 1 5 Safety 1 5 1 Safety of Laser Light LBP3100 LBP3010B Laser light can be extremely hazardous to the human body The machines laser scanning system is contained in a protective housing and external covers to prevent escape of laser light outside the machine In other words the user is free of laser related hazards as long as the machine is being used for its intended purposes The following warnings are given to comply with Safety Principles EN60950 Laserstrahlen k nnen f r den menschlichen K rper gef hrlich sein Aus diesem Grund ist das optische Lasersystem mit einem Schutzgeh use und einer Au enab deckung dicht verschlossen und hat eine Struktur die keine Laserstrahlen nach au en dringen l sst Unter der Voraussetzung dass der Benutzer dieses Ger t normal bedient ist ein Austritt von Laserstrahlen daher ausgeschlossen 1 5 2 CDRH Regulations LBP3100 LBP3010B The Center for Devices and Radiological Health of the US Food and Drug Administration put into effect regulations concerning laser products on August 2 1976 These regulations apply to products produced on and after August 1 1976 and prohibit the sale of laser products without certification The following is a label used to certify compliance with the CDRH regulations and all l
66. ry is completed Auto Delivery function Chapter 2 This function is to deliver the residual paper automatically when the delivery tray is opened at power on or at a start of print operation During initial operation if the paper leading edge sensor PS801 detects the paper CPU determines that there is the residual paper at startup and informs it to the main controller then stops a printer After that when the auto delivery is instructed by the main controller CPU drives the motor and delivers the residual paper to the outside of the machine 2 6 EXTERNAL AND CONTROLS SYSTEM 2 6 1 Power Supply 2 6 1 1 Power Supply 2 6 1 1 1 Low voltage power circuit LBP3100 LBP3010B This circuit is to convert the AC power that is input by the power receptacle to the DC power and supply it to each load AC power is supplied to the low voltage circuit when the power switch SW1 is turned ON Then AC power is converted to the DC power 24V 5V or 3 3V that is required for the host machine in this circuit The following is the block diagram of low voltage circuit and the DC power supply route 2 14 Chapter 2 B Engine controller Low voltage power supply FU101 C m BEEN I I I Fixing High voltage control power supply T gt Noise filter
67. sor PS701 and the paper width sensor PS702 and then delivered to the delivery tray by the delivery roller 3 Name 1 Fixing film unit PS701 delivery sensor 2 Pressure roller PS702 paper width sensor 3 Delivery roller MI main motor 2 8 1 2 Main Parts of Fixing Unit LBP3100 LBP3010B Main parts configuration and its purposes inside the fixing assembly are described below F 2 23 T 2 4 Name 1 Pressure roller 2 Temperature fuse 3 Thermistor 4 Fixing heater 2 18 Chapter 2 Name 5 Fixing film unit 6 Fixing assembly Fixing heater This fixing assembly is eguipped with 1 heater Fixing heater Hl For heating the fixing film ceramic heater Thermistor This fixing assembly is eguipped with 1 thermistor Main thermistor TH1 For controlling the fixing heater temperature contact type thermistor Temperature fuse This fixing assembly is equipped with 1 temperature fuse Temperature fuse TP1 For detecting the fixing heater overheat non contact type fuse When the heater overheats the fuse melts to cut the power supply to the heater 2 8 2 Various Control Mechanisms 2 8 2 1 Fixing Temperature Control 2 8 2 1 1 Fixing Temperature Control LBP3100 LBP3010B This control is to keep the heater in the fixing film unit to the specified temperature The engine controller monitors the fixing heater temperature detection signal FSRTH and outputs the fixing heater drive s
68. taching the terminal 1 make sure that the contact spring 2 contacts as shown 3 4 4 Cassette Separation Pad 3 4 4 1 Removing the Separation Pad LBP3100 LBP3010B 1 Remove the separation pad 1 2 screws 2 3 18 3 5 FIXING SYSTEM 3 5 1 Fixing Unit 3 5 1 1 Preparation for Removing the Fixing Unit LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper 2 en the Left Cover page 3 2 Reference Removing the Left Cov 3 M the Right Cover page 3 1 Reference Removing the Right 4 Pe the Rear Cover page 3 1 Reference Removing the Rear 5 M the Main Controller PCB page 3 9 Reference Removing the Main Controller PCB 3 5 1 2 Removing the Fixing Unit LBP3100 LBP3010B 1 Remove the inner rear cover 1 1 screw 2 2 Remove the terminal 1 and free the harness 3 from the harness guide Chapter 3 7 Remove the fixing unit 1 3 screws F 3 59 3 Disconnect the 4 connecters 1 4 Free the harness 3 from the harness guide 2 5 Free the fixing harness 5 from the harness holder 4 F 3 62 F 3 60 6 Remove the harness holder 1 1 screw 2 3 19 Chapter 3 A Points to note at installation When attaching the fixing harness wind the fixing harness 2 around the protrusion 1 of the harness holder and secure it with the harness guide 3 A Points to
69. ted from bright areas on the drum surface with laser beam exposed The images on the drum with negative charge are called static latent images because human eyes cannot detect them Time t 0 EN Exposed area oo 9 Unexposed area aS Primary Laser Transfer Primary charging beam step 4 charging step 1 exposure step 1 step 2 F 2 7 Step 1 Primary charging For preparation of latent image formation the surface of photosensitive drum is charged with even negative potential In this primary charging the charge is applied from the primary charging roller directly to the photosensitive drum DC bias is applied to the primary charging roller to maintain an even potential on the surface of the photosensitive drum Primary charging roller Photosensitive drum 3h DCbias F 2 8 Step 2 Laser beam exposure In this step static latent images are formed on the photosensitive drum with laser beam When laser beams are scanned on the photosensitive drum negatively charged bright areas lose their charges eliminating negative potential on the surface of the photosensitive drum on those portions static latent images are formed 2 7 Chapter 2 Laser beam 2 4 1 4 Development Block LBP3100 LBP3010B This block is comprised of one step it puts toners to the static latent images on the surface of the photosensitive drum and visualizes the images using toner pro jecti
70. th this machine 4 3 Periodical Service 4 3 1 Scheduled Servicing LBP3100 LBP3010B There is no portion that requires schedule servicing in this equipment 4 4 Cleaning 4 4 1 Cleaning Method LBP3100 LBP3010B Cleaning at servicing B u TI S Loy A ZA _ 5 NY 6 F 4 1 T 4 1 1 Fixing inlet guide 2 Static eliminator 3 Transfer roller 4 Pickup roller 5 Separation pad 6 Feeding roller Follow the procedure below for cleaning during servicing 1 Fixing inlet guide Clean it with a dry lint free paper 2 Static eliminator Chapter 4 Clean it with a dry lint free paper 3 Transfer roller Basically do not touch it with your hands or clean it When cleaning is absolutely necessary clean with a dry lint free paper Take care not to touch the roller and let solvents or oils be removed 4 Pickup roller Clean it with a dry lint free paper 5 Separation pad Clean the rubber part with a lint free paper 6 Feeding roller Clean it with a dry lint free paper Chapter 5 TROUBLESHOOTING Contents Contents 5 1 MEASUREMENT AND ADJUSTMENT koet aaaeeeaa raTa EESK EEEE E SERRE E ESE EEES REEERE HI Test a a E 5 1 1 1 Test Print Function 5 1 2 Mechanical Adjustment 5 1 2 1 Checking the Pressure of the Pressure Roller nip 5 2 SERVICE TOOLS tii an 324 Standard tools or Bann A A e
71. wer after protective function is activated leave it for 2 minutes or more from turning off the switch or plugging out before turning ON 2 15 Chapter 2 E 200V series products carry FU101 fuse only 2 6 1 2 2 Safety function LBP3100 LBP3010B The host machine equips the function of stopping 24V of fixing assembly and the high voltage power unit to avoid users and engineers from getting burned or electric shock When the cartridge door is opened the interlock switch SW501 is turned off and 24V supplied to fixing assembly and the high voltage power unit is shut Engine controller CPU determines the door open when each interlock switch is turned OFF 2 7 ENGINE CONTROL SYSTEM 2 7 1 Main Controller 2 7 1 1 General description LBP3100 LBP3010B Main controller receives the print information from the external devices computer etc through the interface cable Print information is divided into 2 types such as CAPT command data to handle the printer status or specific data and the dot data to printout After the main controller receives the dot data it creates the video data and send it to the engine controller CAPT command data is the data to monitor the printer status from the external device using interface When this data arrives the main controller communicates with the engine controller and sends the printer status to the external devices CAPT command data dot data USB interface Main controller F
72. ws 1 2 While releasing the 2 hooks 2 remove the rear cover 3 2 3 MEMO When Releasing the right and left claws lift the claw 2 with a flat blade screwdriver 1 as shown to release the claws from holes 3 E act AT TE m alla 3 1 3 1 2 Right Cover 3 1 2 1 Preparation for Removing the Right Cover LBP3100 LBP3010B 1 Removing the Upper Cover page 3 2 Reference Removing the Upper Cover 3 1 2 2 Removing the Right Cover LBP3100 LBP3010B 1 Remove the 1 screw 1 and release the 3 claws 2 2 While releasing the 3 claws 3 remove the right cover 4 in the direction of the arrow 3 1 Chapter 3 F 3 2 F 3 3 3 1 3 Left Cover 3 1 4 Upper Cover 3 1 3 1 Preparation for Removing the Left Cover 3 1 4 1 Removing the Upper Cover LBP3100 LBP3010B LBP3100 LBP3010B 1 oo the Upper Cover page 3 2 Reference Removing the Upper 1 Open the delivery auxiliary tray 1 and delivery tray 2 over 3 1 3 2 Removing the Left Cover 2 r1 LBP3100 LBP3010B 1 Remove the 1 screw 1 and release the 3 claws 2 2 While releasing the 3 claws 3 remove the left cover 4 in the direction of the arrow 2 Remove the cartridge arm 1 3 Release the 3 claws 3 on the upper cover 2 in the arrow A direction 4 While releasing the 3 claws 4 remove the upper cover in the arrow B direction 3 2
73. xing heater temperature rises abnormally and temperature fuse TP1 temperature reaches approx 226 deg C TP1 opens to shut the power supply to the fixing heater 2 8 2 2 2 Error detection LBP3100 LBP3010B CPU of engine controller determines the fixing assembly error and shuts the fixing heater drive signal FSRD and also turns OFF relays to shut the power supply to the fixing heater in the following cases Also it notifies the error status to the main controller simultaneously 1 Startup error detection When thermistor temperature does not reach 35 deg C within 1 5 sec from heater ON When the thermistor detects the temperature of 100 deg C or below during stand by 2 Abnormal low temperature error After heater ON when the thermistor detects the temperature of 100 deg C or below at printing after the thermistor temperature reaches 50 deg C After heater ON when the thermistor detects the temperature of 55 deg C or below at sheet interval or in cleaning mode after thermistor temperature reaches 50 deg C 3 Overheat error When the thermistor detects the temperature of 220 deg C or over 30 times consecutively 4 Frequency detection circuit error 200 240V series only When it cannot detect the frequency detection signal at fixing drive circuit even once within 3 3 sec after power ON 2 8 3 Other Functions 2 8 3 1 Throughput Down Control LBP3100 LBP3010B This machine performs the throughput down control that extends the
74. y Jams 2 5 2 3 Stationary Jams ins ins is oe id PES ESI MEE EMT 2 6 EXTERNAL AND CONTROLS SYSTEM narinas enne nenne nennen nennen nennen ns 2 14 2 06 11 POWer SUPPIYEr er ai diia 2 14 2 6 1L IPOWertSupplys scc ra E a TTT 2 14 2 6 1 2 Protective F rctioris ie a de a rta 2 15 2 ENGINE CONTROL SYSTEM ii a eae e e a auda 2 16 2 7 1 Main Controler E 2 16 2 7 1 1 Genetal descripti n 2 2 2222 ee ttr tete te re A tp 2 16 247 2 Engine Ta siiis T iint exibunt BRENNEN 2 16 2772 1 Generaldescriptioh 5 eR p ERE Re UR REIS MU EMBED peaasi aare Aaa EM RETI 2 16 2 8 FIXING UNIT DELIVERY SYSTEM uunssesssnsenseensnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnsnnnnnnnnnsnnnnnnnnnnnnnn 2 18 2 81 Oven view ContiguratiO escudo urn ea 2 18 a AO 2 18 2 8 1 2 Main Parts of Fixing Uni ee e Rede ved ea Ea ne EE T s Dc ica dia qna 2 18 2 8 2 Various Control Mechanisms sese eene eene nenne enne e nnns intr nenne ren nnr inrer nnn ennt nnne 2 19 2 8 2 1 Fixing Temperature Control eee eee ee eee eee 2 19 2 8 2 2 Protective FUuncti ns ii A ce 2 20 2 8 3 Other FUNCHIONS sise e 2 20 28 3 1 Throughput Down CONIO laarin a cer Ec ttt tb 2 20 Chapter 3 DISASSEMBLY AND ASSEMBLY 3 1 EXTERNAL AND CONTROLS SYSTEM vsio ia aaaea an oR RKR Raya O Kaha stesse rris SHOT A Sil WAG ar COVERS O 3 1 1

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