Star Micronics LS-5 SERIES Technical Manual Download Page 80

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MAINTENANCE GUIDE

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Main Logic Board

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Console Assy

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P/J200

CONSOLE ASSY

PL 3.32

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P/J6

MAIN LOGIC
BOARD
PL 6.19

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Summary of Contents for LS-5 SERIES

Page 1: ...LASER PRINTER LS 5 SERIES TECHNICAL MANUAL SECOND EDITION ...

Page 2: ... are subject to change without notice All efforts have been made to ensure the accuracy of the contents of this manual at the time of going to press However should any errors be detected STAR would greatly appreciate being in formed of them The above notwithstanding STAR can assume no responsibility for any errors in this manual Copyright 1992 Star Micronics Co Ltd ...

Page 3: ... principles of the electrical and mechanical systems and their functions Chapter 3 Parts Replacement and Adjustments Explanation of disassembly reassembly and adjustment procedures Chapter 4 Maintenance Guide Contains an overview of steps to assist in recovering from a breakdown connector layout diagrams wiring connections and other information helpful in maintenance operations Chapter 5 Troublesh...

Page 4: ... 2 GENERAL SPECIFICATIONS ...

Page 5: ... Specifications 3 2 Pin Functions on Interfaces 5 2 1 Parallel Interface 5 2 2 Serial Interface 5 2 3 AppleTalk Interface 5 3 Safety Information 6 3 1 Power Supply 6 3 2 Drive Parts 6 3 3 Safety Devices 6 3 4 Laser safety 7 4 Printer Components 8 ...

Page 6: ... 2 GENERAL SPECIFICATIONS ...

Page 7: ...ed rollers Toner supply Included in replaceable EPX toner cartridge 8 Paper feed sources Standard 250 sheet deck with cassette 50 sheet front paper tray Option 250 sheet deck with cassette 500 sheet deck with cassette 9 Paper 250 universal cassette Paper size Letter 8 5 11 A4 Executive B5 Capacity 250 sheets or maximum 27 mm loading height 250 legal cassette Paper size Legal 14 8 5 14 Letter 8 5 1...

Page 8: ... Dimensions W D H 352mm 393 5 mm 253mm 17 Weight Approx 12kg without EPX toner cartridge 18 Line voltage Rating Range Voltage 100 115V 90 to 132V 220 240V 198 to 264V Frequency 50 60Hz 47Hz to 63Hz 19 Host interface LS 5EX Parallel Centronics Serial RS 232C Optional AppleTalk when an optional ROM board MS is installed LS 5TT Parallel Centronics Serial RS 232C AppleTalk LS 5 Parallel Centronics Ser...

Page 9: ...o an error condition 33 36 N C Unused In case of LS 5 model pin no 33 and 35 are always HIGH 2 2 Serial Interface Pin No Signal Direction Interface Function Name 1 GND 232C 422A Chassis ground 2 TXD OUT RS 232C Transmitted data 3 RXD IN RS 232C Received data RXD IN RS 422A Received data 4 RTS OUT RS 232C SPACE when the printer is ready to receive data But this printer does not check the signal 5 6...

Page 10: ...ld be given to safety devices designed to prevent accidents fuses interlock switches etc as well as those handled by the user in the course of operating the equipment covers panels etc in order to make sure they fulfill their function as safety equipment DANGER Inordertopreventexposuretothelaserbeamcontainedintheprinter thefollowingprecautionsmustalways be strictly observed Exposure to the laser b...

Page 11: ...d cannot leak from the printer while the printer is in use CLASS 1 LASER PRODUCT LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT CLASS 3B LASER WAVE LENGTH 780nm INVISIBLE RATED POWER 5 m W LUOKAN 3B LASER AALLONPITUUS 780nm NÄKYMÄTÖN TEHO 5 m W Figure 1 1 Class 1 Label Figure 1 2 Caution Label VARO Avattaessajasuojalukitusohitettaessaoletalttiinanäkymättömällelasersäteilylle Äläkatso säteeseen VARNING ...

Page 12: ... 8 GENERAL SPECIFICATIONS 4 Printer Components Figure 1 3 External Dimensions Figure 1 4 Front View Figure 1 5 Rear View Figure 1 6 Inside View ...

Page 13: ...Y OF OPERATION 1 Printing Process 11 2 Paper Transportation 14 3 Functions of Main Parts 15 3 1 Cassette Feed 15 3 2 Paper Transportation 17 3 3 Fusing and Paper Exit 19 3 4 Drive and Photographics 20 3 5 Electrical 22 ...

Page 14: ... 10 THEORY OF OPERATION ...

Page 15: ... this system consists of repetition of the following basic seven steps Charging Scanning exposure Developing Transfer Separation Fusing Cleaning The following schematic diagram will help to explain the printing process Laser Beam Paper Path Figure 2 1 Printing Process ...

Page 16: ...r to a negative charge so that a thin layer of toner is formed on the surface of the magnetic roll The positive charge is impressed from the back of paper by the BTR Bias Transfer Roll of the BTR assembly thereby enabling toner on the drum surface to be transferred on the paper Transfer Impressing plus charge from the back of paper causes the paper itself to be electrically charged plus to adhere ...

Page 17: ...on BTR DC Bias 1 5µA 1000V 600V Magnetic Roll Toner CM Blade Laser Beam AC Bias 200µA f 150Hz DC Bias 360V AC Bias 1 6kVp p f 2 4kHz DC Bias 270V Toner Cleaning Blade BCR Heat Roll Stand by 150 C Printing 160 C Fusing Paper Eliminator φ19 65mm φ19 65mm Drum φ30mm Figure 2 3 Printing Process Seven Steps ...

Page 18: ...of the turn roll assembly and the pinch roll of the paper cassette Paper transportation by the take away roll of the take away roll assembly and the pinch roll of the pick up roll assembly Paper transportation by the drum and the BTR of the BTR assembly Paper transportation by the heat roll and the pressure roll Paper exit by the exit roll of the exit roll assembly and the pinch roll of the fuser ...

Page 19: ...operations rotation and stop of the feed roll assembly 4 Feed roll assembly Comprises a feed roll and feed clutch assemblies When the feed solenoid is actuated the spring clutch of the feed clutch assembly becomes fixed the feed roll assembly rotates by the drive from the drive assembly the feed roll delivering sheets of the paper from the cassette One full rotation of the feed roll assembly cause...

Page 20: ... 16 THEORY OF OPERATION Figure 2 5 Cassette Feed ...

Page 21: ...lectrical charge of pretransfer sheets of paper to the earth by a metallic plate improving transfer efficiency Regi Sensor Regi Registration Detects the state of paper transportation in the inlet chute area It assumes ON state when the presence of the paper is being detected 5 BTR Assembly BTR Bias Transfer Roll The BTR a component comes into contact with the EPX toner cartridge drum impresses the...

Page 22: ... 18 THEORY OF OPERATION Figure 2 6 Paper Transportation ...

Page 23: ...t Based on surface temperature of the heat roll thus detected it controls ON OFF operations of the heater rod and prevents excessive rise in primary temperature Thermostat In series with the power supply of the heater rod it prevents excessive rise in secondary temperature through opening of the contact resulted when secondary temperature reaches the constant ambient temperature if the preventive ...

Page 24: ...converted into an electric signal SOS signal thereby detecting the initial scanning location of one line 3 CRU Sensor PCB CRU Customer Replaceable Unit ComprisesaCRUswitchandLDswitcheswhichareturnedONandOFFbytheCRUactuatorassembly theformer detecting the presence of the EPX toner cartridge and the latter in series with the circuit emitting a laser beam securing the safety for a laser beam 4 EPX To...

Page 25: ... 21 THEORY OF OPERATION Figure 2 8 Drive Figure 2 9 ROS Assy Figure 2 10 EPX Toner Cartridge ...

Page 26: ... being the main power switch for turning ON and OFF the power 2 HVPS high voltage power supply Supplies voltage and current to the BCR BTR and magnetic roll for charging developing and transfer 3 MCU PCB Main Control Unit Controlsthewholeprintingoperationsbasedoninformationfromthesensorsandcommunicationwiththemainlogic board Its main functions are as follows Communication with the main logic board...

Page 27: ...d Rolls 28 2 5 Turn Roll Assembly 29 2 6 No Paper Actuator 29 2 7 Feeder PCB 30 2 8 Size Spring 30 3 Paper Transportation 31 3 1 Link Assembly 31 3 2 Gear Double L 32 3 3 Gear Double R 32 3 4 Lower Chute Assembly 33 3 5 Take Away Roll Assembly 33 3 6 Front Cover Assembly 34 3 7 BTR Assembly 35 3 8 Trans Chute Assembly 35 3 9 Inlet Chute Assembly 36 3 10 Regi Sensor 36 3 11 Front Plate Assembly 37 ...

Page 28: ...REPLACEMENT AND ADJUSTMENTS OF PARTS 24 ...

Page 29: ...ver assembly 1 3 Remove the three screws 2 securing the top cover assembly 3 4 Liftuptheleftsideofthetopcoverassembly 3 and remove the section 5 latching the top cover assem bly 3 and the right cover 4 Note Use a mini screwdriver or similar tool to remove the latched section 5 5 Lift up the back of the top cover assembly 3 and with the left front side at the center rotate the top cover assembly ap...

Page 30: ...ove the top cover assembly according to the procedure described in section 1 2 2 Remove the left cover 1 by removing the latched section 2 3 Remove the right cover 3 by removing the latched section 4 Note When removing the latched section use a mini screwdriver or similar tool ...

Page 31: ... that the surface where the assembly was attached can be scratched by the tip of the screw so leave the base engine in its upright position Be very careful when carrying out this operation not to knock over the base engine Caution when assembling When setting the base engine on the feeder assembly 2 line up the base engine carefully being careful of the positioning boss on the top surface of the f...

Page 32: ... bearing 5 Feed roll assembly 6 2 4 Feed Rolls 1 Remove the following units Feeder assembly according to the procedure described in section 2 1 Four feed rolls 1 Supporting the shaft 2 of the feed roll assembly press on the plastic surface of the feed roll 1 and remove the feed roll 1 from the shaft 2 of the feed roll assembly Caution when assembling Line up the feed roll 1 with the positioning ho...

Page 33: ... 2 Stop ring 1 Feed bearing 2 Turn roll assembly 3 2 6 No Paper Actuator 1 Remove the following units Feed housing R gear in and gear out according to the procedure described in section 2 2 No paper actuator 1 Bendthenopaperactuator 1 andforceitpastthe projection 2 on the feeder frame assembly Remove the no paper actuator 1 with the detect ing section 3 in the upward position ...

Page 34: ...assette Feed housing R gear in and gear out according to the procedure described in section 2 2 Two screws 1 Three connectors P J116 P J201 P J202 2 Feeder PCB 3 2 8 Size Spring 1 Remove the following units FeederPCB accordingtotheproceduredescribed in section 2 7 Screw 1 Size spring 2 ...

Page 35: ...Two screws 1 Link assembly 2 from the ROS assembly 3 Closethefrontcoverassembly 4 somewhat and remove the link assembly 2 from the ROS assembly 3 The link assembly 2 remains attached to the front cover assembly 4 even after the link as sembly 2 has been removed from the ROS assembly 3 so be careful not to damage it 2 Expand the link spring 5 then remove the link assembly 2 ...

Page 36: ...atch up the position ingboss 5 onthegeardoubleL 3 withthehorizontalpart of the ROS assembly 6 and attach the gear double L 3 3 3 Gear Double R 1 Open the front cover assembly 1 2 Remove the following units C ring 2 Gear double R 3 Withtherightendofthelowerchuteassembly 4 pressed against the inlet chute assembly and pick up roll assembly remove the gear double R 3 Caution when assembling Openthefro...

Page 37: ...25 mm to the left and the right pivot shaft 9 25 mm to the right to remove the lower chute assembly 1 Caution when disassembling Donotremovethetwopivotshafts 8 and 9 fromthegear front cover and front cover assembly 10 Caution when assembling Attach the stop ring 7 on the left pivot shaft 8 to the groove on the inner side and the stop ring 7 of the right pivot shaft 9 to the groove on the outer sid...

Page 38: ... Remove the following units Two stop rings 7 8 Link assembly 9 according to the procedure described in section 3 1 Two screws 10 Earth plate assembly 11 Cable cap 12 Front cover assembly 13 Slide the left pivot shaft 14 to the left and pull it off and the right pivot shaft 15 to the right and pull it off Then remove the front cover assembly 13 Caution when disassembling Because the lower chute ass...

Page 39: ...r is on the left side 3 Restraining the left end of the BTR assembly 2 shaft press the right end into position and attach the BTR assembly 2 to the bearing 4 of the trans chute assembly 3 4 Fit the tip of the mini screwdriver under the bearing 4 of the left trans chute assembly 3 and while pressing on the left end of the BTR assembly 2 shaft attach the BTR assembly 2 to the bearing 4 of the left t...

Page 40: ...sembly 5 with the positioning groove 8 of the inlet chute assembly 2 and attach the inlet chute assembly 2 Makesuretheinletchuteassembly 2 ispositionedinfront of the inlet spring and being careful not to let the mylar of the lower chute assembly get caught between the other parts attach the inlet chute assembly 2 so that the mylar is positioned upwards of the inlet chute assembly 2 when the front ...

Page 41: ...ding to the proce dure described in section 3 8 Inlet chute assembly according to the procedure described in section 3 9 Six screws 1 Front plate assembly 2 3 12 Pick Up Roll Assembly 1 Remove the following units Inlet chute assembly according to the procedure described in section 3 9 Two screws 1 Pick up roll assembly 2 ...

Page 42: ...assembly according to the procedure described in section 3 11 Pickuprollassembly accordingtotheprocedure described in section 3 12 Connector P J 301 Screw 2 Pick up solenoid 3 Caution when disassembling Confirm the routing of the harness before removing the pick up solenoid 3 3 14 MBF Sensor Assembly 1 Remove the following units Pick up roll assembly according to the procedure described in section...

Page 43: ...4 3 16 Bottom Plate Assembly 1 Remove the following units Pick up roll assembly according to the procedure described in section 3 12 2 Removethespring 1 fromthescrew 2 Thespring 1 ishookedontothescrew 2 thatprojectsfromthe bottom plate assembly 3 3 Remove the bottom plate assembly 3 Caution when assembling Insert the MBF actuator 4 in the notch 5 in the bottom plate assembly 3 and attach the botto...

Page 44: ...MENT AND ADJUSTMENTS OF PARTS 40 3 17 Console Assembly 1 Remove the following units Front plate assembly according to the procedure described in section 3 11 Four screws 1 Console assembly 2 Connector P J200 3 ...

Page 45: ...ng the screw 1 that secures the fuser assembly 2 makesurethedriveassemblygear 3 andthe gear exit 4 fit together properly 4 2 Pressure Roll 1 Open the rear cover 2 Remove the following units Fuser assembly according to the procedure described in section 4 1 Two screws 1 Fuser cover assembly 2 P R ground spring 3 P R eliminator 4 Pressure roll 5 Lift up the two NIP levers 6 to remove them Caution wh...

Page 46: ... chute 3 Caution when assembling When removing the exit chute 3 be careful not to scratch the heat roller 4 Caution when disassembling Insert the exit actuator 6 in the notch of the exit chute 3 and attach the exit chute 3 4 4 Exit Roll Assembly 1 Remove the following units Exit chute according to the procedure described in section 4 3 Two stop rings 1 Gear exit 2 Exit roll assembly 3 ...

Page 47: ...ch the temperature sensor assembly 5 so that its thermistor is positioned underneath the heat roller 6 Connect harnesses 7 8 and 9 coming from the con nector J101 of the temperature sensor assembly 5 to the positions shown in the diagram J101 5PIN 7 J101 2PIN 100 115 VAC 8 J101 3PIN 220 240 VAC 8 J101 6PIN 9 4 6 Heater Rod 1 Remove the following units Pressure roll according to the procedure descr...

Page 48: ...ure described in section 4 6 H R ring 3 Gear H R 4 H R bearing R 5 Screw 6 Ground plate 7 H R ring 8 H R bearing L 9 Heat roll 10 4 8 Exit Actuator 1 Remove the following units Heatroll accordingtotheproceduredescribedin section 4 7 Exit actuator 1 Exit torsion spring 2 4 9 Exit Sensor 1 Remove the following units Fuser assembly according to the procedure described in section 4 1 Connector P J119 ...

Page 49: ...ibed in section 5 7 Connector P J14 1 Screw 2 Three screws 3 Drive assembly 4 Caution when assembling Be careful that the drive assembly harness doesn t get caught in other parts 5 2 CRU Sensor PCB 1 Remove the following units Fuser assembly according to the procedure described in section 4 1 ESS assembly according to the procedure described in section 5 5 Electrical box cover according to the pro...

Page 50: ...wire to the LVPS assembly Gear double L according to the procedure described in section 3 2 Gear double R according to the procedure described in section 3 3 Earth plate assembly according to the procedure described in section 5 8 Cable cap according to the procedure described in section 3 6 Front cover assembly according to the procedure described in section 3 6 Electrical box base with MCU PCB a...

Page 51: ...lifted up the connector P31 comes off 5 6 Main Logic Board 1 Remove the following units ESS assembly according to the procedure described in section 5 5 Two connector covers 1 Connector cover 1a for LS 5EX and LS 5TT Blind plate 1b for LS 5 Three screws 2 Extra rear panel 3 RAM board if installed ROM board MS if installed Four screws 4 Two screws 5 ESS rear panel 6 Five screws 7 Main logic board 8...

Page 52: ...screws 4 Six screws 5 Electrical box cover 6 Bush 7 5 8 Earth Plate Assembly 1 Remove the following units Electrical box cover according to the procedure described in section 5 7 Two connectors P J CR P J DB 1 Link assembly 2 according to the procedure described in section 3 1 Two screws 3 Earth plate assembly 4 Caution when assembling Wire the harness on the inner side of the earth plate assembly...

Page 53: ...to the procedure described in section 5 7 Ten connectors P J11 to P J19 of the MCU PCB Four screws 1 MCU PCB 2 5 10 HVPS 1 Remove the following units Electrical box cover according to the procedure described in section 5 7 Six connectors P J111 P J CR P J DB P J TR P J RTN P J PTN of the HVPS Five screws 1 HVPS 2 ...

Page 54: ...4 Screw 5 Screw 6 Two screws 7 Two screws 8 LVPS assembly 9 Saddle edge H 10 Caution when assembling Make sure the harness doesn t interfere with the movement of the link assembly 5 12 Fan 1 Remove the following units Electrical box cover according to the procedure described in section 5 7 Connector P J18 1 Two screws 2 Fan 3 Caution when assembling Attach the fan so it faces the direction in whic...

Page 55: ...r Jam Detection 58 4 Connector P Plug J Jack Arrangement 60 4 1 P J Layout Drawing 60 4 2 P J List 62 5 Connection Wiring Diagram 63 5 1 General Connection Wiring Diagram 63 5 2 Connection Wiring Drawing between Parts 64 5 2 1 LVPS Assy MCU PCB 66 5 2 2 LVPS Assy Fuser Assy 67 5 2 3 MCU PCB ROS Assy 68 5 2 4 MCU PCB Feeder PCB Feeder PCB aux Feed Solenoid Turn Solenoid 69 5 2 5 MCU PCB Drive Assy ...

Page 56: ... 52 MAINTENANCE GUIDE ...

Page 57: ...dust on the air exit areas of the fan and the right cover Note Clogging in the air exits may result in temperature rise in the printer causing failure 7 Reprint several sheets to ensure normal operation 1 2 Consumables Consumables are to be replaced by customers while they may be replaced to fix the failure caused by consumables or to locate the cause of failure EPX toner cartridge Its life standa...

Page 58: ... print self patterns are as follows 2 2 Test Print Operating Method 1 Open the rear cover according to the procedure described in section 1 1 of chapter 3 2 Turn ON the power switch 3 When the printer enters the standby state insert a mini screwdriver into the elec box cover hole to short the two pins of the J32 on the main logic board 4 Shorting these two pins causes test print to start A 1 dot b...

Page 59: ...main ROM program Cyclic Redundancy Check error in resident font ROM Read Write test error in on board RAM Read Write test error in expansion RAM Cyclic Redundancy Check error in EEPROM Read Write test error in EEPROM NVM error Cassette is current feeder No paper in cassette Page size Lower cassette is current feeder No paper in lower cassette Page size Front tray multi purpose tray is current feed...

Page 60: ...rming up of ROS On starting warming up of the ROS the scanner motor rotates the interval of SOS signals becomes shorter than the READY standard value three times in succession leading to the termination of the ROS warming up the scanner motor is rotating at constant speed 3 2 3 ROS Standard Value ROS standard value Contents READY standard value Interval of SOS signals corresponding to over 98 of t...

Page 61: ...rature the fuser has finished warming up The main motor operates during warming up of the fuser 3 3 4 List of Fuser Temperatures Temperature High trouble temperature Approx 185 C standby temperature approx 35 C Fuser OFF temperature Fuser control temperature 0 C Fuser control temperature Standby temperature 150 C nominal Running temperature 160 C nominal Fuser ON temperature Fuser control temperat...

Page 62: ...rovided Regi Sensor Exit Sensor The MCU PCB determines whether paper is jammed by checking whether paper is present or absent at the sensor at times stored in the memory If it detects a jam the MCU PCB immediately stops printing and send a signal to the main logic board to notify the jam The main logic board command the control panel to display the error message PAPER JAMMING The MCU PCB detects a...

Page 63: ...Pick Up Solenoid Regi Sensor Exit Sensor Unit Sec Required Time E2 1 E2 2 E3 E4 Tray A B A B A B A B Tray 1 Upper cassette 3 30 3 60 4 30 Tray 2 Lower cassette 5 66 5 96 6 60 6 92 17 96 22 78 Multi Purpose tray 0 93 1 63 Note Paper Size A Except for Legal size B Legal size ...

Page 64: ... 60 MAINTENANCE GUIDE 4 Connector P Plug J Jack Arrangement 4 1 P J Layout Drawing 1 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J K L ...

Page 65: ... 61 MAINTENANCE GUIDE 4 1 P J Layout Drawing 2 2 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 A B C D E F G H I J K L ...

Page 66: ...on between MCU PCB and main logic board 32 E6 P plug on MCU PCB For test print use P J on main logic board 51 I4 For use in power supply for main logic board 101 I3 Connection between LVPS assy and fuser assy 111 F5 P J on HVPS 112 F14 P J of the rear side of ROS assy P J Remark 113 H12 P J of the left side of ROS assy 114 F13 P J of ROS assy bottom E27 Connection between main frame and feeder ass...

Page 67: ...FEEDER PCB AUX PL 7 15 PL 8 15 FEED SOLENOID PL 7 3 PL 8 3 TURN SOLENOID PL 7 4 PL 8 4 P J14 DRIVE ASSY PL 5 5 P J121 P J15 P J111 HVPS PL 6 2 P J RTN P J RTN P J TR P J DB P J CR P J TR T TRANS CHUTE ASSY PL 3 12 BTR ASSY PL 3 11 EPX TONER CARTRIDGE PL 5 1 EARTH PLATE ASSY PL 6 6 P J118 CRU SENSOR PCB PL 5 7 MBF SENSOR PL 3 27 BTR ASSY PL X Y Indicates connections where screws are used Grounding ...

Page 68: ...ensor PCB Connection between MCU PCB and HVPS Connection between HVPS and earth plate assy Connection between HVPS and trans chute assy Connection between trans chute assy and BTR assy Connection between MCU PCB and CRU sensor PCB 7 MCU PCB exit sensor regi sensor MBF sensor Connection between MCU PCB and exit sensor Connection between MCU PCB and regi sensor Connection between MCU PCB and MBF sen...

Page 69: ...dicates connection which differs depending on specifications Indicates connection with a screw Indicates connection by wiring etc denoting its signal line name and contents Indicates a function and a logical value showing operating condition of a signal low L high H denotingavoltagewhenthevalueofasignalislow DC voltage shows a value measured when the minus side is connected to SG SG Indicates sign...

Page 70: ...nnector P J11 on MCU PCB output decreases after a little while about 1 minute and entire output stops Turn power OFF connect the connector P J11 to provide load and about 5 minutes later turn power ON again and output restores Short output Output continues during shorting Output stops during shorting A Automatic restore after release of shorting B OutputrestoresbyturningpowerOFF after release of s...

Page 71: ...ted power of heater rod 100 115 V printer 280 14 W 220 240 V printer 350 17 5 W 4 Resistance value of temp sensor assy s thermistor Temperature C 10 20 30 150 160 170 180 Resistance value KΩ 348 526 223 327 146 209 2 9 3 4 2 3 2 6 1 8 2 1 1 4 1 7 FG 14 13 J11 RELAY P J2 2 1 1 4 5 2 6 P J101 1 4 5 3 6 P J101 100 115V PRINTER 220 240V PRINTER INTERLOCK SWITCH MAIN POWER SWITCH TEMP SG FG AC N AC L L...

Page 72: ... P15 9 5 2 3 MCU PCB ROS Assy Signal line name Reference DATA A signal to cause emission of the LD from MCU PCB to LD assy LD ON L 3 7 V DC MO Monitoring of output to LD based on data for adjusting LD power VL2 VL1 Adjusts LD power 5VDC LD LD power voltage of ROS assy s LD SPI 2 SPI 1 Controls scanner motor revolution SPI 1 H SPI 2 L for a resolution of 300 dpi SOS Start reference signal for scann...

Page 73: ...e paper cassette 1 Coil resistance of solenoid Feed solenoid 120Ω 10 at 20 C Turn solenoid 220Ω 10 at 20 C MCU PCB PL 6 4 P J13 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 P J115 1 NO PAPER SENSOR ON L 5VDC 5VDC 2 NO PAPER SENSOR ON L 5VDC SG 1 PAPER SIZE 2 PAPER SIZE 24VDC 1 TURN SOLENOID ON L 24VDC 2 TURN SOLENOID ON L 24VDC 24VDC 1 FEED SOLENOID ON L 24VDC 2 FEED SOLENOID ON L 24VDC F...

Page 74: ...er cassette 0 0 0 0 0 275 0 293VDC Monarch 0 0 0 1 0 554 0 583VDC COM 10 0 1 0 0 1 396 1 445VDC A4 0 1 0 1 1 680 1 730VDC C5 0 1 1 0 1 962 2 015VDC DL 0 1 1 1 2 248 2 298VDC Executive 1 0 0 0 2 530 2 584VDC B5 1 0 0 1 2 814 2 868VDC Legal 14 1 0 1 0 3 098 3 152VDC Letter 1 1 0 1 3 959 3 996VDC 0 OFF 1 ON Paper size switches are SW1 SW2 SW3 and SW4 with top to bottom in sequence ...

Page 75: ...s a stepping motor Excitation sequence of the main motor Phase Step two phase excitation 1 2 3 4 A B A B Step angle 7 5 0 75 Frequency when the main motor is rotating at constant speed 323 pps pps pulse per second 1 2 3 4 5 6 P J14 24VDC 24VDC A B A B MCU PCB PL 6 4 DRIVE ASSY PL 5 5 MAIN MOTOR Excitation ...

Page 76: ...DC Detection signal of the presence or absence of EPX toner cartridge CR Output from HVPS to BCR DB Output from HVPS to magnetic roll TR Output from HVPS to BTR 1 The drum is grounded at P J DB 1 pin s RTN P J15 1 2 3 4 5 6 7 8 9 10 11 P J DB 1 2 P J111 7 6 5 4 3 2 1 P J118 4 3 2 1 P J RTN 1 P J CR 1 P J RTN 1 P J TR 1 P J TR T 1 P11 5 P12 7 MCU PCB PL 6 4 RTN DB ON L 24VDC TR ON L 24VDC TR ON L 2...

Page 77: ... 73 MAINTENANCE GUIDE 2 Rated output of HVPS Output name Rated output Remark CR AC 200µA rms f 150Hz CR DC 360VDC TR 1 5µA 1000VDC TR 600VDC DB AC 1 6KVp p f 2 4KHz DB DC 270VDC ...

Page 78: ...evel for no paper and low level for its presence MBF SENSOR ON L 5VDC Detection signal of the presence or absence of paper in the multi purpose tray high level for no paper and low level for its presence 1 Withasupplyvoltageof5VDCfromMCUPCBappliedthroughresistance thesensordrivingsupplyhasattenuated to about 1 2 V DC 1 2 3 4 5 6 7 8 9 P J16 3 2 1 P J119 3 2 1 P J120 3 2 1 P J121 MCU PCB PL 6 4 5VD...

Page 79: ...CU PCB Pick Up Solenoid Fan 1 Coil resistance of pick up solenoid 120 Ω 10 at 20 C P11 12 1 2 P J17 24VDC PICK UP SOLENOID ON L 24VDC RTN 24VDC 1 2 3 P J18 1 2 3 4 P J21 PICK UP SOLENOID PL 3 24 FAN PL 6 5 MCU PCB PL 6 4 1 2 P J301 ...

Page 80: ...1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 P J200 CONSOLE ASSY PL 3 32 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 P J6 MAIN LOGIC BOARD PL 6 19 VCC LCDE LCD4 LCD6 SW6 SW4 SW2 LED1 ON L LED2 ON L LED3 ON L SW8 SG SG RS LCD5 LCD7 SW7 SW5 SW3 SW1 LED4 ON L LED5 ON L BZ VCC ...

Page 81: ...2 10 LVPS Assy Main Logic Board MCU PCB 1 2 3 4 P J5 5VDC LVPS ASSY PL 6 1 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 J4 P31 P32 1 2 5VDC SG SG MAIN LOGIC BOARD PL 6 19 MCU PCB PL 6 4 SG TEST PRINT ON L 5VDC ...

Page 82: ...OM BOARD MS TRANSIT BD PDL GND GND GND GND GND GND GND VCC VCC GND GND GND GND GND GND VCC VCC GND GND J7 J1 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 J2 J1 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 ...

Page 83: ...anel Displays the Error Message CASS REFILL or LCAS REFILL or TRAY REFILL 91 2 11 Control Panel Displays the Error Message CASS CHANGE or LCAS CHANGE or TRAY CHANGE 92 2 12 Abnormal Operation 93 2 12 1 Power is not Supplied 94 2 12 2 Faulty LCD Display 96 2 12 3 Faulty LED Display 96 2 12 4 Faulty Key Switch 97 2 12 5 Abnormal Printing Operation 97 2 12 6 Drive Assy does not Work 98 2 12 7 Fan doe...

Page 84: ... 80 TROUBLESHOOTING ...

Page 85: ... the power supply outlet b Make sure the power cord has not been damaged shorted or disconnected and that it is connected correctly c Make sure the equipment has been grounded properly d Avoid installing the printer in a location where it is exposed to extremely high or low temperatures high or low humidity or sudden changes of temperature e The printer should not be located in a hot or humid area...

Page 86: ...indicate that the power should be turned on this should be done in online mode unless otherwise specified 5 Connectors are marked as indicated below P J12 Indicates that connector P J12 is connected P12 Plug side with connector P J12 disconnected except when connected directly to PCB J12 Jack side with connector P J12 disconnected except when connected directly to PCB 6 The item P J1 2PIN P J3 4PI...

Page 87: ...ERVICE 06 CALL SERVICE 07 CALL SERVICE 10 CALL SERVICE 11 2 3 CALL SERVICE 08 2 4 CALL SERVICE 03 2 5 CALL SERVICE 01 2 6 CLOSE COVER 2 7 PAPER JAMMING 2 8 SET EP CARTRIDGE 2 9 LOAD CASS LOAD LCAS 2 10 CASS REFILL LCAS REFILL TRAY REFILL 2 11 CASS CHANGE LCAS CHANGE TRAY CHANGE Problems with operation 2 12 Abnormal Operation Problems with image quality 4 Image Defects ...

Page 88: ... Panel Displays the Error Message CALL SERVICE 04 05 06 07 10 11 Step Check Measure YES NO 1 Check parts with different specifications for problems with usage defective installation breakage and deformation Main parts to be checked 1 Main logic board 2 Does problem recur when power is turned on again 3 Doesproblemrecurifpoweristurnedoffandonseveraltimes 1 The problem is thought to be caused by ext...

Page 89: ...llation breakage and deformation Main parts to be checked 1 ROS assy 2 MCU PCB 3 CRU sensor PCB 4 EPX toner cartridge 5 Harness assy HVPS 6 Harness assy ROS 7 Harness assy SOS 8 LVPS assy 2 Check scanner assy of ROS assy 1 Check to see if the scanner motor of the ROS assy is rotating when the Test Print mode is accessed and if the rotation sound can be heard 3 Check LD power supply for LD assy of ...

Page 90: ...98 264 VAC Measure the voltage while the fuser is still warming up before an error message is displayed 6 Does the heater rod go on and off light up and go out after the fuser has finished warming up 1 7 Check LVPS assy Is 4 2 VDC being supplied between J11 1PIN J11 2PIN Checkbeforetheoutputisstoppedbytheno loadstatusofthe LVPS assy within 30 seconds of the power being turned on 8 Check heater rod...

Page 91: ... 9 Pick up roll assy 10 Pick up solenoid 11 Bottom plate assy 12 Link assy 13 Trans chute assy 14 MCU PCB 15 Drive assy 16 EPX toner cartridge 17 Paper cassette 18 Feeder assy 19 Optional feeder unit 20 Top cover assy 21 Harness assy sensor 22 LVPS assy 23 Front cover assy 2 Does the problem occur when the power supply is turned on 3 Check main motor Is the main motor rotating normally 4 Check dri...

Page 92: ...r cassette 14 Check paper cassette Is the pinch roller of the paper cassette rotating smoothly Remove the paper cassette and rotate the pinch roller by hand to check it 15 Check drive assy Are the gears of the drive assy rotating normally in relation to the gears of the EPX toner cartridge 16 Check link assy When the front cover assy is closed does the link assy open the drum shutter of the EPX to...

Page 93: ... move to block off the sensor section of the exit sensor when there is no paper present 24 Check exit sensor Is the exit sensor functioning normally 25 Isthereanypaperorothermaterialintheregi actuatorsection 26 Check regi actuator Does the regi actuator move smoothly away from the sensor sectionoftheregi sensorwhenpaperispresent andthenmove to block off the sensor section of the regi sensor when t...

Page 94: ... positions of the size springs the sectionwhichcomesincontactwiththepapercassette changed sothattheON OFFcombinationsofthefourpapersizeswitches for the feeder PCB feeder PCB aux match the paper size As the paper cassette is set in place visually check the clearance at the back of the machine 4 Check paper size switch data 1 2 Does the paper size switch data match the ON OFF combina tions of the fo...

Page 95: ...move into the notch provided for it in the bottom plate assy and when there is paper present does it rest on the paper 6 Check MBF sensor Is the MBF sensor functioning normally 7 Check paper cassette When the paper cassette is set in place is the paper in the paper cassette lifted upwards normally Check visually from the rear side of the machine 8 Check no paper actuator 1 Doesthenopaperactuatorof...

Page 96: ... the paper cassette match the paper size specified on the control panel 3 Is paper being supplied from the front tray multi purpose tray 4 Check regi actuator Does the regi actuator move smoothly away from the sensor sectionoftheregi sensorwhenpaperispresent andthenmove to block off the sensor section of the regi sensor when there is no paper present 5 Check regi sensor Is the regi sensor function...

Page 97: ... cassette Printing is carried out with a size other than the specified size Powerisnotsuppliedeventhoughthepowersupply switch is turned on No LCD display appears and the fuser does not begin warming up There is a problem with the LCD display The LED does not display anything The key switches do not function when they are turned on There is a problem with the printing operation The drive assy does ...

Page 98: ...t connector P J5 and wait 2 3 minutes Then turn on the power and check to see if a display appears on the LCD and if the fan rotates 5 Check HVPS 2 Disconnect connector P J111 from the HVPS Then turn on the power and see if a display appears on the LCD and if the fan rotates 6 Check fan 2 Disconnect connector P J18 from the MCU PCB Then turn on the power and see if a display appears on the LCD and...

Page 99: ...of Tray 1 2 Check for conductivity between J201 1PIN J201 2PIN at 0Ω on Tray 1 15 Check turn solenoid of Tray 1 1 2 Check for conductivity between J202 1PIN J202 2PIN at 0Ω on Tray 1 16 Check ROS assy 1 Disconnect connector P J19 from the MCU PCB Then wait 2 3 minutes and turn on the power See if a display appears on the LCD and if the fan rotates 17 Check console assy 1 Disconnect connector P J20...

Page 100: ...cked 1 MCU PCB 2 Console assy 3 LVPS assy 2 Check power supply of console assy LED 1 Isthevoltage5VDCbetweenP J200 A1PIN P J200 B1PIN 3 Check LED on console assy When the power supply is turned on does the LED light up 4 Check LED ON signal 1 2 When the power supply is turned on is 0 VDC supplied between the following P J200 A8PIN P J200 B1PIN P J200 A9PIN P J200 B1PIN P J200 A10PIN P J200 B1PIN P...

Page 101: ...ween P J200 B6PIN P J200 A12PIN KEY 6 ON 0 VDC between P J200 A5PIN P J200 A12PIN KEY 7 ON 0 VDC between P J200 B5PIN P J200 A12PIN KEY 8 ON 0 VDC between P J200 A11PIN P J200 A12PIN 1 Check with the connector P J111 disconnected from the HVPS 2 12 5 Abnormal Printing Operation Step Check Measure YES NO 1 Check parts with different specifications for problems with usage defective installation brea...

Page 102: ...g normally 2 12 7 Fan does not Rotate Step Check Measure YES NO 1 Check parts with different specifications for problems with usage defective installation breakage and deformation Main parts to be checked 1 Fan 2 MCU PCB 3 LVPS assy 2 Check power supply of fan 1 Is 24 VDC being supplied between P J18 3PIN P J18 2PIN 1 Check with the connector P J111 disconnected from the HVPS To step 2 Replace MCU...

Page 103: ...blems with usage defective installation breakage and deformation Main parts to be checked 1 MCU PCB 2 LVPS assy 2 Check LVPS assy Is 24 VDC being supplied between the following J11 12PIN J11 2PIN Checkbeforetheoutputisstoppedbytheno loadstatusofthe LVPS assy within 30 seconds of the power being turned on 3 Check interlock switch of LVPS assy Is 24 VDC being supplied with the interlock switch on an...

Page 104: ...2 6PIN 3 Check speed control signal of scanner motor 1 When the power supply is turned on is the voltage LOW 0 VDC between P12 8PIN P12 10PIN SG and HIGH 4 1 VDC between P12 9PIN P12 10PIN SG 4 Check power supply of SOS PCB on ROS assy 1 Is5VDCbeingsuppliedbetweenP J19 3PIN P J19 1PIN 5 Replace MCU PCB Does the problem occur even after the MCU PCB is replaced with a normal one 6 Check conductivity...

Page 105: ...y is turned on 7 Check power supply of heater rod ON signal 2 Disconnect the connector P J15 from the MCU PCB and see if the heater rod lights up when the power supply is turned on 8 Check heater rod Disconnect the heater rod and see if there conductivity be tween the terminals on the two ends of the rod 9 Check temp sensor assy 100 115V models Is there conductivity between the terminals of the J1...

Page 106: ...ation breakage and deformation Main parts to be checked 1 Exit sensor 2 MCU PCB 3 Harness assy sensor 4 LVPS assy 2 Check power supply of exit sensor 1 Is 5 VDC being supplied between P16 1PIN P16 2PIN 3 Check exit sensor ON signal 1 Is 5 VDC being supplied between P16 3PIN P16 2PIN 4 Check exit sensor ON signal 1 Is 0 VDC being supplied between P J16 3PIN P J16 2PIN when the detecting section of ...

Page 107: ...p Check Measure YES NO 1 Check parts with different specifications for problems with usage defective installation breakage and deformation Main parts to be checked 1 MBF sensor 2 MCU PCB 3 Harness assy sensor 4 LVPS assy 2 Check power supply of MBF sensor 1 Is 5 VDC being supplied between P16 7PIN P16 8PIN 3 Check MBF sensor ON signal 1 Is 5 VDC being supplied between P16 9PIN P16 8PIN 4 Check MBF...

Page 108: ...is in Pass status paper exists and is 5 VDC being suppliedwhenthenopapersensorisblocked nopaperexists 5 Check harness assy 1tray Is there conductivity between J13 J115 on the harness assy 1tray 6 Is the no paper sensor of Tray 1 defective 7 Check feeder PCB Is there conductivity between P115 P116 of the feeder PCB 8 Check harness assy out Is there conductivity between J116 J115 of the harness assy...

Page 109: ... there is no EPX toner cartridge Remove the CRU sensor cover and try installing and remov ing the EPX toner cartridge to check the CRU actuator assy visually 3 Check EPX toner cartridge Check to see if the protruding section of the EPX toner cartridgeispositionedproperlytomovetheCRUactuatorassy 4 Check CRU sensor PCB IsthereconductivitybetweenP118 3PIN P118 4PINwhen the LD switch S101 of the CRU s...

Page 110: ...heck the CRU actuator assy visually 3 Check EPX toner cartridge Check to see if the protruding section of the EPX toner cartridgeispositionedproperlytomovetheCRUactuatorassy 4 Check CRU sensor PCB IsthereconductivitybetweenP118 1PIN P118 2PINwhen the CRU switch S100 of the CRU sensor PCB is on and no conductivity when the switch is off 5 Check EP CHECK ON signal 1 Is 0 VDC being supplied between P...

Page 111: ...ck harness assy 1tray 1 Is there conductivity between J13 J115 on the harness assy Tray 1 6 Are the paper size switches of Tray 1 defective 7 Check feeder PCB Is there conductivity between P115 P116 of the feeder PCB 8 Check harness assy out IsthereconductivitybetweenP116 J115oftheharnessassy out 1 This is noted for both Tray 1 upper cassette feeder and Tray 2 lower cassette feeder To distinguish ...

Page 112: ...24 VDC being supplied between P J17 1PIN P J11 2PIN 3 Check pick up solenoid ON signal Is there conductivity at approximately 120 Ω between J17 1PIN J17 2PIN 4 Check pick up solenoid 1 Is 24 VDC being supplied between P J17 2PIN P J11 2PIN 5 Check harness assy solenoid Is there conductivity between J17 P301 1 Check with the connector P J111 disconnected from the HVPS To step 2 To step 3 To step 4 ...

Page 113: ...Is the feed solenoid of Tray 1 defective 7 Check feeder PCB Is there conductivity between P115 P201 of the feeder PCB 8 Check feeder PCB Is there conductivity between P115 P116 of the feeder PCB 9 Check harness assy out IsthereconductivitybetweenP116 J115oftheharnessassy out 10 Check feeder PCB aux Is there conductivity between P115 P201 of the feeder PCB aux 1 Check with the connector P J111 disc...

Page 114: ...Is the turn solenoid of Tray 1 defective 7 Check feeder PCB Is there conductivity between P115 P202 of the feeder PCB 8 Check feeder PCB Is there conductivity between P115 P116 of the feeder PCB 9 Check harness assy out IsthereconductivitybetweenP116 J115oftheharnessassy out 10 Check feeder PCB aux Is there conductivity between P115 P202 of the feeder PCB aux 1 Check with the connector P J111 disc...

Page 115: ... used 7 Check feeder assy 1 Remove the feeder assy and see if the drive assy rotates smoothly when the hand crank is used 8 Check take away roll assy 1 Remove the take away roll assy and see if the drive assy rotates smoothly when the hand crank is used 9 Check EPX toner cartridge 1 Remove the EPX toner cartridge and see if the drive assy rotates smoothly when the hand crank is used 10 Check fuser...

Page 116: ...eck parts with different specifications for problems with usage defectiveinstallation breakage deformation andadhe sion of grime or foreign matter Main parts to be checked 1 HVPS 2 MCU PCB 3 Earth plate assy 4 Harness assy HVPS 5 LVPS assy 2 Check power supply of HVPS Is 24 VDC being supplied between P15 7PIN P15 1PIN 3 Check earth plate assy Is there conductivity between the DB terminal plate spr...

Page 117: ...een the shaft of the BTR assy and the terminal J TR of the wire assy TR The resistance value fluctuates depending on the contact pressure between the bearing of the trans chute assy and the BTRassyshaft andthecontactpressurebetweenthebearing of the trans chute assy and the spring Check the resistance value with the shaft of the BTR assy pressed against the bearing of the trans chute assy 5 Check h...

Page 118: ...ely attached 6 Check wire assy eliminator Is there conductivity between the terminals of the wire assy eliminator 7 Check trans chute assy Is there conductivity between the eliminator of the trans chute assy and the connector J RTN of the wire assy eliminator 8 Check wire assy front Is there conductivity between the terminals of the wire assy front 9 Check temp sensor assy Is there conductivity be...

Page 119: ...mal one 15 Check earth plate assy Is there conductivity between the plate spring of the earth plate assy and the corresponding terminal on the harness 16 Check EPX toner cartridge Does the problem occur if the HVPS is replaced with a normal one 17 Check wire assy TR Is there conductivity between the two terminals on the ends of the wire assy TR 18 Check trans chute assy Is there conductivity betwe...

Page 120: ...rinting Then refer to the tables showing the various image quality problems This allows more efficient troubleshooting procedures If the problem cannot be solved using the image quality problem tables check the tables once again and try replacing the Main Parts to be checked listed under Initial Check one by one Also use the Maintenance Guide in Chapter 4 to carry out troubleshooting procedures Th...

Page 121: ...n of the laser beam path Isthereanyforeignmatterorgrimeinthepathofthelaserbeam between the ROS assy and the drum 4 Faulty HVPS DB Is the output of the HVPS DB normal 5 Faulty BTR assy Is there any foreign matter or grime on the BTR of the BTR assy 6 Faulty image transfer Is the toner image on the drum transferred correctly to the paper Try turning off the power at the point in printing when you th...

Page 122: ...thepathofthelaserbeam between the ROS assy and the drum 3 Faulty HVPS DB Is the output of the HVPS DB normal 4 Faulty drive assy Are the gears of the drive assy which conveys drive to the EPX toner cartridge rotating normally 5 Faulty BTR assy Is there any foreign matter or grime on the BTR of the BTR assy 6 Faulty image transfer Is the toner image on the drum transferred correctly to the paper Tr...

Page 123: ...efective installation breakage deformation and adhesion of grime or foreign matter Main parts to be checked 1 EPX toner cartridge 2 HVPS 3 MCU PCB 4 Harness assy HVPS 5 Earth plate assy 6 ROS assy 1 Faulty HVPS CR DC Is the HVPS CR DC output normal 2 Faulty EPX toner cartridge Does the problem stop occurring when the EPX toner cartridge is replaced with a new one Step Check Measure if abnormal To ...

Page 124: ... assy 5 ROS assy 1 Humidity and wrinkling of the paper Does the problem occur even if the paper is replaced with new paper 2 Obstruction of the laser beam path Isthereanyforeignmatterorgrimeinthepathofthelaserbeam between the ROS assy and the drum 3 Faulty BTR assy Is there any foreign matter or grime on the BTR of the BTR assy 4 Faulty EPX toner cartridge Does the problem stop occurring when the ...

Page 125: ...bstruction of the laser beam path Isthereanyforeignmatterorgrimeinthepathofthelaserbeam between the ROS assy and the drum 2 Faulty BTR assy Is there any foreign matter or grime on the BTR of the BTR assy 3 Faulty EPX toner cartridge Does the problem stop occurring when the EPX toner cartridge is replaced with a new one 4 Scratches on the heat roll Are there any scratches in the circumferential dir...

Page 126: ...TR assy Is there any foreign matter or grime on the BTR of the BTR assy 5 Faulty image transfer Is the toner image on the drum transferred correctly to the paper Try turning off the power at the point in printing when you think the image is being transferred to the paper and check the image on the drum 6 Faulty EPX toner cartridge Does the problem stop occurring when the EPX toner cartridge is rep...

Page 127: ...he drum 2 Faulty BTR assy Is there any foreign matter or grime on the BTR of the BTR assy 3 Faulty separation Is the eliminator of the trans chute assy securely grounded Grounding route Trans chute assy eliminator wire assy eliminator LVPS assy frame 4 Faulty EPX toner cartridge Does the problem stop occurring when the EPX toner cartridge is replaced with a new one If the problem is with the drum ...

Page 128: ...sy 10 Fuser assy 11 ROS assy 1 Faulty grounding of the drum HasthedrumoftheEPXtonercartridgebeensecurelygrounded Grounding route Drum Pin of drum shaft earth plate assy HVPS harness assy HVPS MCU PCB LVPS assy 2 Faulty HVPS CR DC Is the output of the HVPS CR DC normal 3 Faulty HVPS DB Is the output of the HVPS DB normal 4 Faulty BTR assy Is there any foreign matter or grime on the BTR of the BTR a...

Page 129: ... even if the paper is replaced with new paper 3 Faulty EPX toner cartridge Does the problem stop occurring when the EPX toner cartridge is replaced with a new one If the problem is with the drum surface the spots will occur at intervals of approximately 94 mm 4 Faulty heat roll Are there any scratches foreign matter grime or other irregu larities on the heat roll Check this if the spots are occurr...

Page 130: ...ter or grime on the BTR of the BTR assy 2 Faulty EPX toner cartridge Does the problem stop occurring when the EPX toner cartridge is replaced with a new one If the problem is with the drum surface the spots will occur at intervals of approximately 94 mm 3 Faulty heat roll Are there any scratches foreign matter grime or other irregu larities on the heat roll Check this if the spots are occurring at...

Page 131: ...CR DC normal 2 Faulty BTR assy Is there any foreign matter or grime on the BTR of the BTR assy 3 Faulty EPX toner cartridge Does the problem stop occurring when the EPX toner cartridge is replaced with a new one If the problem is with the drum surface the after images will occur at intervals of approximately 94 mm 4 Faulty heat roll Are there any scratches foreign matter grime or other irregu lari...

Page 132: ...fective installation breakage deformation and adhesion of grime or foreign matter Main parts to be checked 1 EPX toner cartridge 2 HVPS 3 Earth plate assy 4 MCU PCB 5 Harness assy HVPS 6 LVPS assy 7 ROS assy 1 Faulty HVPS CR DC Is the output of the HVPS CR DC normal 2 Faulty HVPS DB Is the output of the HVPS DB normal 3 Faulty EPX toner cartridge Does the problem stop occurring when the EPX toner ...

Page 133: ...y 12 ROS assy 1 Faulty setting of the paper Have the paper cassette and paper been set properly in posi tion 2 Faulty EPX toner cartridge Does the problem stop occurring when the EPX toner cartridge is replaced with a new one 3 Problem with paper transport path Are there any irregularities such as burrs foreign matter or grime on the paper transport path 4 Problem with the roll which feeds paper A...

Page 134: ...atter grime or other irregu larities on the heat roll 3 Faulty pressure roll Are there any scratches foreign matter grime or other irregu larities on the pressure roll 4 Skew Has the paper been set at a slant 5 Problem with paper transport path Are there any irregularities such as burrs foreign matter or grime on the paper transport path 6 Problem with the roll which feeds paper Are there any irre...

Page 135: ...r Main parts to be checked 1 Fuser assy 2 Heat roll 3 Pressure roll 4 MCU PCB 5 Front plate assy 6 Front cover assy 1 Humidity and wrinkling of the paper Does the problem occur even if the paper is replaced with new paper 2 Faulty heat roll Are there any scratches foreign matter grime or other irregu larities on the heat roll 3 Are there any scratches foreign matter grime or other irregu larities ...

Page 136: ... 2 GENERAL SPECIFICATIONS ...

Page 137: ...e described in the ASSY column 4 PARTS NAME Parts names must be notified when ordering replacement parts 5 Q TY This column shows the number of the part used as indicated in the figure The following abbreviations show the printer model EX LS 5 EX TT LS 5 TT LC LS 5 6 REMARKS When there are differences in the specifications of the fuse destinations etc the differences are described in words or indi...

Page 138: ... 193 16 Font Cartridge 194 16 1 Circuit Diagram 194 16 2 Component Layout 195 16 3 Parts List 196 17 List of Standard Fasteners 197 1 Cover s 135 1 1 Disassembly Drawing 135 1 2 Parts List 135 2 Cassette Feed 136 2 1 Disassembly Drawing 136 2 2 Parts List 137 3 Paper Transportation 138 3 1 Disassembly Drawing 138 3 2 Parts List 139 4 Fusing Paper Exit 140 4 1 Disassembly Drawing 140 4 2 Parts List...

Page 139: ...987703 RIGHT COVER LX05 1 1 1 S 5 80060020 BRAND PLATE LS 5EX 1 80060030 BRAND PLATE LS 5TT 1 1 80060050 BRAND PLATE LS 5 1 6 80825810 APPLICATIONS MANUAL LS 5EX TT 1 1 OPTION 7 1 80087780 SILENT SALESMAN LS 5EX US 1 FOR US 1 80087790 SILENT SALESMAN LS 5TT US 1 FOR US 1 80087800 SILENT SALESMAN LS 5 US 1 FOR US DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK ASSY EX TT LC ...

Page 140: ... 136 2 Cassette Feed 2 1 Disassembly Drawing ...

Page 141: ...GEAR OUT 1 1 1 1 12 NPN GEAR FEED 1 1 1 1 13 80987710 NO PAPER ACTUATOR LX05 1 1 1 14 80987711 SIZE SPRING LX05 1 1 1 15 80987712 FEEDER PCB LX05 1 1 1 16 80987713 HARNESS ASSY OUT LX05 1 1 1 J116 J115 S 17 NPN FEEDER EARTH PLATE 1 1 1 1 18 80987714 FEED HOUSING L LX05 1 1 1 19 80987715 FEED HOUSING R LX05 1 1 1 20 NPN FEEDER TIE PLATE 1 1 1 1 21 87339190 CASSETTE 250UNV UPC LX05 1 1 1 FOR US 8733...

Page 142: ... 138 3 Paper Transportation 3 1 Disassembly Drawing ...

Page 143: ...80987727 WIRE ASSY BAFFLE LX05 1 1 1 22 NPN INLET SPRING 2 2 2 1 23 80987728 PICK UP ROLL ASSY LX05 1 1 1 S 24 80987729 PICK UP SOLENOID LX05 1 1 1 25 80987730 MBF SENSOR ASSY LX05 1 1 1 WITH 26 28 26 NPN SENSOR COVER 1 1 1 25 27 80987731 MBF SENSOR LX05 1 1 1 28 NPN MBF ACTUATOR 1 1 1 25 29 NPN MBF SPRING 1 1 1 1 30 80987732 BOTTOM PLATE ASSY LX05 1 1 1 31 NPN FRONT PLATE ASSY 1 1 1 1 32 80987733...

Page 144: ... 140 4 Fusing Paper Exit 4 1 Disassembly Drawing ...

Page 145: ...87749 HEATER ROD US LX05 1 1 1 100 115V 80987750 HEATER ROD EC LX05 1 1 1 220 240V 14 80987751 HEAT ROLL LX05 1 1 1 15 NPN H R BEARING L 1 1 1 1 16 NPN H R BEARING R 1 1 1 1 17 NPN GEAR H R 1 1 1 1 18 NPN H R RING 2 2 2 1 19 80987752 PRESSURE ROLL LX05 1 1 1 20 NPN P R BEARING 2 2 2 1 21 NPN NIP SPRING 2 2 2 1 22 NPN FUSER INLET CHUTE 1 1 1 1 23 NPN EXIT CHUTE 1 1 1 1 24 NPN EXIT SPRING 2 2 2 1 25...

Page 146: ... 142 5 Drive Photographics 5 1 Disassembly Drawing ...

Page 147: ...1 1 1 EXCEPT FOR US JP S 2 80987755 ROS ASSY LX05 1 1 1 3 80987754 FRONT EARTH SPRING LX05 1 1 1 4 80987756 CABLE CAP LX05 1 1 1 5 80987757 DRIVE ASSY LX05 1 1 1 6 80987758 CRU SENSOR COVER LX05 1 1 1 7 80987759 CRU SENSOR PCB LX05 1 1 1 8 80987760 CRU ACTUATOR SPRING LX05 1 1 1 9 80987761 CRU ACTUATOR ASSY LX05 1 1 1 DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK ASSY EX TT LC ...

Page 148: ... 144 6 Electrical 6 1 Disassembly Drawing ...

Page 149: ...9120 FONT CARTRIDGE JAN FC1H 1 1 1 EXCEPT FOR US 1 87379130 FONT CARTRIDGE UPC FC2H 1 1 1 FOR US 1 87379140 FONT CARTRIDGE JAN FC2H 1 1 1 EXCEPT FOR US 1 87379150 FONT CARTRIDGE UPC FC3H 1 1 1 FOR US 1 87379160 FONT CARTRIDGE JAN FC3H 1 1 1 EXCEPT FOR US 1 87379170 FONT CARTRIDGE UPC FC4H 1 1 1 FOR US 1 87379180 FONT CARTRIDGE JAN FC4H 1 1 1 EXCEPT FOR US 1 87379190 FONT CARTRIDGE UPC FC5H 1 1 1 F...

Page 150: ...83025070 CONNECTOR COVER LS04 1 1 31a 1 80087680 BLIND PLATE LX05LC 1 32 09110132 CORD SET US INLET S 10A 2 0M 1 1 1 FOR US 09110133 CORD SET EC INLET S 10A 2 0M 1 1 1 FOR EC 09110134 CORD SET UK INLET S 5A 2 0M 1 1 1 FOR UK HK 09110135 CORD SET AS INLET S 10A 2 0M 1 1 1 FOR AS 1 09110137 CORD SET JP INLET S 7A 2 0M 1 FOR JP ...

Page 151: ... 147 7 Optional Feeder Unit 250 7 1 Disassembly Drawing ...

Page 152: ...X05 1 1 1 16 NPN FEEDER EARTH SPRING 1 1 1 24 17 NPN FEEDER EARTH PLATE 1 1 1 24 18 80987714 FEED HOUSING L LX05 1 1 1 19 80987715 FEED HOUSING R LX05 1 1 1 20 NPN FEEDER TIE PLATE 1 1 1 24 21 87339190 CASSETTE 250UNV UPC LX05 1 1 1 FOR US 87339200 CASSETTE 250UNV JAN LX05 1 1 1 EXCEPT FOR US 87339210 CASSETTE 250ENV UPC LX05 1 1 1 FOR US 87339220 CASSETTE 250ENV JAN LX05 1 1 1 EXCEPT FOR US 87339...

Page 153: ... 149 8 Optional Feeder Unit 500 8 1 Disassembly Drawing ...

Page 154: ...SHAFT HOLDER 1 1 1 24 18 NPN FEED HOUSING 500L 1 1 1 24 19 NPN FEED HOUSING 500R 1 1 1 24 20 NPN FEEDER TIE PLATE 2 2 2 24 21 1 87339250 CASSETTE 500A4 UPC LX05 1 1 1 FOR US 1 87339260 CASSETTE 500A4 JAN LX05 1 1 1 EXCEPT FOR US 22 1 87339270 CASSETTE 500LTR UPC LX05 1 1 1 FOR US 1 87339280 CASSETTE 500LTR JAN LX05 1 1 1 EXCEPT FOR US 23 NPN FEEDER JOINT 4 4 4 24 24 1 87339150 FEEDER UNIT 500A4 UP...

Page 155: ...2 FEEDER PCB AUX PL 7 15 1 PL 8 15 1 FEED SOLENOID PL 7 3 1 PL 8 3 1 TURN SOLENOID PL 7 4 1 PL 8 4 1 P J14 DRIVE ASSY PL 5 5 P J121 P J15 P J111 HVPS PL 6 2 P J RTN P J RTN P J TR P J DB P J CR P J TR T TRANS CHUTE ASSY PL 3 12 BTR ASSY PL 3 11 EPX TONER CARTRIDGE PL 5 1 EARTH PLATE ASSY PL 6 6 P J118 CRU SENSOR PCB PL 5 7 MBF SENSOR PL 3 27 BTR ASSY PL X Y Indicates connections where screws are u...

Page 156: ... 15 1 FEED SOLENOID PL 7 3 1 PL 8 3 1 TURN SOLENOID PL 7 4 1 PL 8 4 1 P J14 DRIVE ASSY PL 5 5 P J121 P J15 P J111 HVPS PL 6 2 P J RTN P J RTN P J TR P J DB P J CR P J TR T TRANS CHUTE ASSY PL 3 12 BTR ASSY PL 3 11 EPX TONER CARTRIDGE PL 5 1 EARTH PLATE ASSY PL 6 6 P J118 CRU SENSOR PCB PL 5 7 MBF SENSOR PL 3 27 BTR ASSY PL X Y Indicates connections where screws are used Grounding is done through t...

Page 157: ...5 1 FEED SOLENOID PL 7 3 1 PL 8 3 1 TURN SOLENOID PL 7 4 1 PL 8 4 1 P J14 DRIVE ASSY PL 5 5 P J121 P J15 P J111 HVPS PL 6 2 P J RTN P J RTN P J TR P J DB P J CR P J TR T TRANS CHUTE ASSY PL 3 12 BTR ASSY PL 3 11 EPX TONER CARTRIDGE PL 5 1 EARTH PLATE ASSY PL 6 6 P J118 CRU SENSOR PCB PL 5 7 MBF SENSOR PL 3 27 BTR ASSY PL X Y Indicates connections where screws are used Grounding is done through the...

Page 158: ... 154 10 Main Logic Board LS 5EX TT 10 1 Circuit Diagram Title BLOCK DIAGRAM ...

Page 159: ... 155 Main Logic Board LS 5EX TT 1 10 Title CPU BLOCK 1 ...

Page 160: ... 156 Main Logic Board LS 5EX TT 2 10 Title G A BLOCK 2 ...

Page 161: ... 157 Main Logic Board LS 5EX TT 3 10 Title RAM BLOCK 3 ...

Page 162: ... 158 Main Logic Board LS 5EX TT 4 10 4Title ROM BLOCK ...

Page 163: ... 159 Main Logic Board LS 5EX TT 5 10 Title ENGINE I F BLOCK 5 ...

Page 164: ... 160 Main Logic Board LS 5EX TT 6 10 6Title FONT CART CN BLOCK ...

Page 165: ... 161 Main Logic Board LS 5EX TT 7 10 Title CENT I F BLOCK 7 ...

Page 166: ... 162 Main Logic Board LS 5EX TT 8 10 Title SERIAL I F BLOCK 8 ...

Page 167: ... 163 Main Logic Board LS 5EX TT 9 10 9Title EXROM BLOCK ...

Page 168: ... 164 Main Logic Board LS 5EX TT 10 10 10 Title POWER BLOCK ...

Page 169: ... 165 10 2 Component Layout Parts Side ...

Page 170: ... 166 10 2 Component Layout Solder Side ...

Page 171: ... IC34 08210127 TTL IC 74LS06FP EL 1 1 IC35 08242011 LSI AM8530H 4JC 1 1 R1 2 06212201 RN RESISTOR 22 OHM 1W 2 2 R3 27 06751014 CHIP RESISTOR 100 OHM 1 10W 25 25 R29 30 06755104 CHIP RESISTOR 51 OHM 1 10W 2 2 R31 06753324 CHIP RESISTOR 3 3 K OHM 1 10W 1 1 R32 06755104 CHIP RESISTOR 51 OHM 1 10W 1 1 R34 36 06755104 CHIP RESISTOR 51 OHM 1 10W 3 3 R37 06754721 CHIP RESISTOR 4 7 K OHM 1 10W 1 1 R38 41 ...

Page 172: ...0V 1 1 C50 52 05731042 CERA CAPA CHIP 0 1UF 25V 3 3 C53 54 05755104 CERA CAPA CHIP 51PF 50V 2 2 C55 56 05731042 CERA CAPA CHIP 0 1UF 25V 2 2 C57 72 05752201 CERA CAPA CHIP 22PF 50V 16 16 C73 05731042 CERA CAPA CHIP 0 1UF 25V 1 1 C74 05752201 CERA CAPA CHIP 22PF 50V 1 1 C75 05731042 CERA CAPA CHIP 0 1UF 25V 1 1 C76 81 05755104 CERA CAPA CHIP 51PF 50V 6 6 C82 NOT MOUNTED C83 92 05755104 CERA CAPA CH...

Page 173: ...7 CONNECTOR DF11 24DP 2DS 1 1 J7 09100554 CONNECTOR PHEC60P S11 1 1 J8 09100552 CONNECTOR IL WZ 22PB VF 1 1 J9 09100553 CONNECTOR IL WZ 22SB VF 1 1 J10 09100351 CONNECTOR H421113 25R 1 1 J11 09100309 CONNECTOR MD S8000 10 1 1 J12 09100555 CONNECTOR PHEC68P S11 1 1 FL1 2 09990313 NOISE FILTER TH18103MAT 2 2 PL14 87339770 RAM MODULE 1MB ASSY LX05 1 DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK A...

Page 174: ... 170 11 Main Logic Board LS 5 11 1 Circuit Diagram Title BLOCK DIAGRAM ...

Page 175: ... 171 Main Logic Board LS 5 1 7 Title CPU BLOCK 1 ...

Page 176: ... 172 Main Logic Board LS 5 2 7 Title G A BLOCK 2 ...

Page 177: ... 173 Main Logic Board LS 5 3 7 Title RAM BLOCK 3 ...

Page 178: ... 174 Main Logic Board LS 5 4 7 4Title ROM BLOCK ...

Page 179: ... 175 Main Logic Board LS 5 5 7 Title CARTRIDGE BLOCK 5 ...

Page 180: ... 176 Main Logic Board LS 5 6 7 6Title PARALLEL SERIAL IF BLOCK ...

Page 181: ... 177 Main Logic Board LS 5 7 7 Title PANEL EET ENGINE IF BLOCK 7 ...

Page 182: ... 178 11 2 Component Layout Parts Side ...

Page 183: ... 179 11 2 Component Layout Solder Side ...

Page 184: ...K OHM 1 8W 8EL 1 R1 8 06755104 CHIP RESISTOR 51 OHM 1 10W 9 R9 06751021 CHIP RESISTOR 1 K OHM 1 10W 1 R10 32 06755104 CHIP RESISTOR 51 OHM 1 10W 23 R33 48 06751014 CHIP RESISTOR 100 OHM 1 10W 16 R49 51 06755104 CHIP RESISTOR 51 OHM 1 10W 3 R52 06751014 CHIP RESISTOR 100 OHM 1 10W 1 R53 06757504 CHIP RESISTOR 75 OHM 1 10W 1 R54 62 06755104 CHIP RESISTOR 51 OHM 1 10W 9 R64 06757504 CHIP RESISTOR 75 ...

Page 185: ... 05751025 CERA CAPA CHIP 1000PF 50V 1 C74 77 05051057 CHEM CAPA 1UF 50V 4 C79 88 05751025 CERA CAPA CHIP 1000PF 50V 10 C89 105 1 05751045 CERA CAPA CHIP 0 1UF 50V 17 C107 1 05751045 CERA CAPA CHIP 0 1UF 50V 1 C108 05752201 CERA CAPA CHIP 22PF 50V 1 C109 05021078 CHEM CAPA 100UF 16V 1 C300 05755104 CERA CAPA CHIP 51PF 50V 1 C301 302 1 05751045 CERA CAPA CHIP 0 1UF 50V 2 C400 401 05731014 CERA CAPA ...

Page 186: ... 182 12 ROM Board MS 12 1 Circuit Diagram Title BLOCK DIAGRAM ...

Page 187: ... 183 ROM Board MS 1 2 Title CONNECTOR DECODE BLOCK 1 ...

Page 188: ... 184 ROM Board MS 2 2 Title ROM BLOCK 2 ...

Page 189: ... 185 12 2 Component Layout Parts side Solder side ...

Page 190: ...584723 RESIS ARRAY 4 7K OHM 1 8W 8EL 4 4 C1 05021077 CHEM CAPA 100UF 16V 1 1 C2 5 05731042 CERA CAPA CHIP 0 1UF 25V 4 4 C6 1 05755104 CERA CAPA CHIP 51PF 50V 1 1 1 05752201 CERA CAPA CHIP 22PF 50V 1 1 C7 16 05731042 CERA CAPA CHIP 0 1UF 25V 10 10 J1 09100557 CONNECTOR PHEC68R R11 1 1 09990512 EJECTOR NE 1 1 1 DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK ASSY EX TT LC Reference 1 The differenc...

Page 191: ... 187 13 RAM Board 13 1 Circuit Diagram Title RAM BOARD ...

Page 192: ... 188 13 2 Component Layout Parts side ...

Page 193: ...NECTOR IL WZ 22PB VF 1 1 1 J3 09100553 CONNECTOR IL WZ 22SB VF 1 1 1 J4 09100552 CONNECTOR IL WZ 22PB VF 1 1 1 J5 09100553 CONNECTOR IL WZ 22SB VF 1 1 1 J6 09100552 CONNECTOR IL WZ 22PB VF 1 1 1 J7 09100553 CONNECTOR IL WZ 22SB VF 1 1 1 09990512 EJECTOR NE 1 1 1 1 DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK ASSY EX TT LC ...

Page 194: ... 190 14 RAM Module 1MB 14 1 Circuit Diagram ...

Page 195: ...721 CHIP RESISTOR 4 7 K OHM 1 10W 2 2 2 C1 4 05731042 CERA CAPA CHIP 0 1UF 25V 4 4 4 J1 09100553 CONNECTOR IL WZ 22SB VF 1 1 1 J2 09100552 CONNECTOR IL WZ 22PB VF 1 1 1 DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK ASSY EX TT LC Note 1 RAM module guide and RAM module hook are included in RAM MODULE 1MB UPC or JAN of drawing number 13 of Section 6 but not in RAM MODULE 1MB ASSY of drawing numbe...

Page 196: ... 192 15 RAM Module 2MB 15 1 Circuit Diagram ...

Page 197: ...8221038 DRAM D424400SOJ 80NS 4 4 4 R1 2 06754721 CHIP RESISTOR 4 7 K OHM 1 10W 2 2 2 C1 4 05731042 CERA CAPA CHIP 0 1UF 25V 4 4 4 J1 09100553 CONNECTOR IL WZ 22SB VF 1 1 1 J2 09100552 CONNECTOR IL WZ 22PB VF 1 1 1 Parts side Solder side Parts side Solder side DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK ASSY EX TT LC Old board New board ...

Page 198: ... 194 16 Font Cartridge 16 1 Circuit Diagram ...

Page 199: ... 195 16 2 Component Layout Parts side ...

Page 200: ...DGE ASSY FC1H 1 1 1 4 01903001 SCREW TR 3 10 2 2 2 IC1 3 08210122 TTL IC 74ALS244 3 3 3 IC4 08210046 TTL IC 74LS139 1 1 1 IC5 6 08210122 TTL IC 74ALS244 2 2 2 IC7 08222015 EPROM D27C1001D 200NS 1 1 1 FCXX IC7 IC8 NOT MOUNTED IC9 08222015 EPROM D27C1001D 200NS 1 1 1 FCXX IC9 IC10 NOT MOUNTED C1 05151044 CERA CAPA 0 1UF 50V 1 1 1 C2 05014763 CHEM CAPA 47UF 10V 1 1 1 C3 6 05151044 CERA CAPA 0 1UF 50V...

Page 201: ...03 SCREW TAT3 6 DT3 LX05 S4 80987804 SCREW TAT3 6 DT2 LX05 S5 80987805 SCREW TAT3 8 DT2 LX05 S6 80987806 SCREW TAT4 10 DT2 LX05 S11 80987807 SCREW TAT3 28 LX05 S12 80987808 SCREW TAT3 10 DT2 LX05 S15 80987809 SCREW TAT3 6 DT LX05 S16 80987810 SCREW TAT3 8 DT LX05 C Machine Screws with Captive Spring Washer TR 3 6 WS WF Length l 6mm Nominal Diameter d 3mm DRWG NO PARTS NO PARTS NAME S1 01903055 SCR...

Page 202: ...ECIAL LX05 S9 80987815 SCREW TAT3 8 SPECIAL LX05 S17 04991401 SCREW DBLC J25SAF E Retaining Rings E type SE 3 0 Inner Diameter d 3mm DRWG NO PARTS NO PARTS NAME E3 04020015 STOP RING SE3 0 E4 04020016 STOP RING SE4 0 F Grip Rings SC3 0 Inner Diameter d 3mm DRWG NO PARTS NO PARTS NAME C6 80987816 STOP RING SC6 0 LX05 ...

Page 203: ... 2 GENERAL SPECIFICATIONS ...

Page 204: ...alia Tel 02 748 4300 Telefax 02 748 3527 STAR MICRONICS ASIA LTD 18 F Tower II Enterprise Square 9 Sheung Yuet Road Kowloon Bay Hong Kong Tel 2796 2727 Telefax 2799 9344 STAR MICRONICS N Z LTD 64 Lunn Ave Mount Wellington P O Box 6255 Wellesley St Auckland New Zealand Tel 570 1450 Telefax 570 1448 STAR MICRONICS DEUTSCHLAND GMBH Westerbachstraße 59 P O Box 940330 D 60489 Frankfurt Main 90 F R of G...

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