Download Samsung ML-85G plus Service manual
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2-4 Recommended Test Equipment Samsung recommends the following equipment when servicing the Laser Printer. Digital Multimeter A digital multimeter with attached LED or LCD 4-digit Panel. Oscilloscope A digitizing oscilloscope which can measure more than 1OOMHz High Voltage probe A high voltage probe which can measure about less than 1OKV DCU (Diagnostic Control Unit) DCU can be supplied from Samsung which can easily shows the engine’s Error status Table 2-4-l Equipment List QUIDCK REFERANCE DIAGNOSTIC CONTROL UNIC 5PPM LASER BEAM PRINTER 0+ 0+ STATUS MAGNOSTIC + cl ON OFF ENTER UP DOWN SHIFT Figure 241 DCU 28 STOP 2-5 DCU Control 2-5-l DCU Setup The DCU is used to diagnose Printer malfunctions. The DCU harness wire(lOpin-todpin) is connected to the Printer engine via: 1) Engine Board connector, CN2 (4pins) 2) (Video) Controller Board connector, 56 (4pins) Open the Printer’s side cover(=SIMM Cover) and remove the shield cover and connect the DCU to connector 56 on the Controller Board. 2-5-2 DCU Error messages (LED Display) If an error occurs, connect the DCU to the Printer. DCU messages will indicates malfunctioning areas of the machine. (Consult Service Manual for detailed troubleshooting information) Display Error messages 60 OPEN FUSER ERROR 62 LOW HEAT ERROR 64 COVER OPEN ERROR 68 70 OVERHEAT ERROR NO PAPER OR CASSETTE 71 PAPER JAM0 (CASSETTE PICK-UP TO REGISTER SENSOR) 72 JAM1 (REGISTER SENSOR TO EXIT SENSOR) 73 JAM2 (EXIT SENSOR TO FUSER) 95 LSU NOT READY 29 2-5-3 DCU diagnostic messages (LED display) After receiving an error message, use the DCU to locate malfunction unit. Displav 0 1 2 3 4 5 6 I 8 9 10 11 12 13 14 Error messaee MAIN MOTOR OPERATING SYSTEM MAIN HIGH VOLTAGE ON (- 14KV) TRANSFER HIGH VOLTAGE (-) ON THV (+) REFERENCE VOLTAGE (+9OOV) DEVSUPPLY HIGH VOLTAGE ON LSU OPERATING TEST PICKUP CLUTCH ON PAPER EMPTY SENSOR TEST FEED & EXIT SENSOR TEST COVER OPEN SENSOR TEST FUSER TEST HOT BURN TEST CLEAN (MESSAGE) PRINT THV TRIGGER & THV ON DUTY THV PLUS DUTY 2-5-4 DCU Diagnostic Mode 1) Connect DCU to Controller or Engine Board 2) To apply power, simultaneously press tand hold ‘DOWN’, ‘SHIFT’, and ‘STOP’ keys. 78 will display 3) After 2-3 seconds, release the keys. 00 will display 4) Press ‘UP’ or ‘SHIFT+DOWN’ keys until the desired number is displayed in the DCU display. 5) Press ‘ENTER’ to begin operating. 30 6) Example Select numbers 13 and 14 to adjust the electrophotography trigger voltage. 1: Turn power on by simultaneously pressing ‘DOWN’, ‘SHIFT’, and ‘STOP’ for 2-3 seconds. 2: Press ‘SHIFT+DOWN’ until diagnostic cocde #14 is displayed. 4: Press ‘SHIFT’ and ‘STOP’ to exit routine. 5: Press ‘SHIFT’ and ‘DOWN’ to display diagnostic code #13. 6: Display will antemate between electronc photography trigger voltage and On duty voltage. 7: To end operation, press ‘SHIFT’ and ‘STOP’ keys. 7) DCU Error Message a) Error messgae ‘60’, ‘THERMISTOR OPEN ERROR’ Error message ‘62’, ‘LOW TEMPERAURE ERROR’ Error message ‘68’, ‘OVERHEAT ERROR’ Action: 1) Measure Fuser’s Thermistor resistance Normal Thermistor resistance is 2-3 ohms (1 lOV), 6-10 ohms (220V) 2) Confirm Fuser Lamp operation 3) Measure Engine Board resistances at QlOl (Triac Thyrister) 4) Replace Engine Board Q 10 1 5) Replace Engine Board Q3 (KSC 1008-Y) 6) Replace Engine Board PC 15 1 (Triac Photo Coupler) b) Error message ‘70’, ‘PAPER EMPTY’ Action: 1) Check for paper in cassete tray 2) Replace 0P2 Sensor (Photo Interrupter) 3) Confirm Feed Clutch operation (mode ‘06’) 4) Replace Feed Clutch or Engine Board’s 44 (KSC 1008-Y) c) Error message ‘7 1’) ‘PAPER JAM- 1’ Action: 1) Check for paper in cassette tray 2) Check for Pick-up unit wear 3) Replace OP 1 sensor (Photo Intermpter) 31 d) Error message ‘72’, ‘PAPER JAM-2’ Error message ‘73’, ‘PAPER JAM-3’ Action: 1) Confirm that normal paper is being used 2) Check for Paper Jam in Fuser 3) Replace sensor ‘SW 1’ on Engine Board 4) Check for Fuser Roller contamination 8) Error message ‘95’, ‘LSU READY ERROR’ a) Confirm normal readings at Engine Boards, QS (KSC1008-Y) b) Replace LSU 32 3. Product Information 3-1 Specifications 3-l -1 Engine(ML-80) Specifications are correct at the time of printing. Product specifications are subject to change without notice. I Item 1. Specification & Description VlL-80 Engme Remarks Small Footprint Desktop Page Printer I 3. Print Speed ppm(page per minute) At Copy Mode A4 Size, 5% Character Pattern) Resolution frue 600 X 600 dpi(dot per inch) Source Of Ltght ,aser Diode (LSU: Laser Scanner Untt) Print Method \Jon-impact Feed Method 3assette & Manual Feed Stde side Loading Paper Handling (input) L Electrophotography Left Adjust Size 0 Standard : A4, Letter, Legal, B5, Executive 0 Envelope : manual feed only )I 0 Universal type Length : 150 - 356 mm W i d t h : 90-216mm k Weight : For Cassette, 60 - 90 g/in’ For Manual, 60 - 120 g/m’ t Recommended Paper USA: X420, X4024, NEKOSA, BOISE CASCADE EC: REFLEX, ADAGIO Transparancies: 3M (CG3300 or 3360) Label: AVERY 53XX series I. Paper Handling (output) :ace Down : 150sheets Tace Up : lsheet 50-sheet Tray 1 I F e e d Capactty !50-sheet Tray and one opttonal 250-sheet Drawer 3etween 25seconds 112. Warm-up Time 113. Ftrst Print Time setween 25seconds 114. Power Rating \C 100-I 2OV/220-240V (* 15%) 50Hz/60Hz (+ 3%) r r--- 15. Power Consumption 16. ‘eak: 720W luring Printing Power Saving Consumption luring Sleeping ,ess : l50WH (Average) : Max 1 SW than 28W during I hour at first 18. Certification & C o m p l i a n c e 3E, TUV, SEMKO, NEMKO, DEMKO, C-tick, CClB FCC, UL, CSA, CDRH, CB, MEEI Noise For EPA Vane 1 I7 P o w e r Swatch 19. A c o u s t i c ML-84/85G ML-84/85G plus ML-85, ML-85 plus Standby Less than Operating Less than 47dB 29dB 33 Class B for EMC Specification & Description item 3. Reliability MPBJ 2,500 pages/75g Paper MPBF 30,000 pages MTBF 2,250 hours Remarks Jam Rate (MTBF = 7.5hours X 20days X MPBF /Monthly Use) 1. Toner Supply Print Cartridge 2. Expected Life Span 100,OOOsheets For machine 3. Operating Environment Temperature : 10 - 30 “C Normal:22 “C 65% 4. Storage Environment Temperature : 0 - 35 “C 5. Weight Net : Max 9.3kg Humidity : 30 - 80 %RH Humidity : IO - 90 %RH Gross : Max 10.5Kg 5. External Dimension ML-84/85G, QwikLaser 84/856 360(W) X 367(D) X 176(H) mm ML-85, QwikLaser 85 360(W) X 367(D) X 188(H) mm’ Ml-84 pIus/85G plus 360(W) X 375(D) X 176(H) mm’ ML-85 plus 360(W) X 367(D) X 188(H) mm’ Life Span : 5,000 pages, 5% Pattern and 50% Duty 7. Print Cartridge Developing : Non-magnetic Contact Developing Charging : Conductive Roller Charging Negative(-) Density Adjustment : 3steps (Light, Medium, Dark) PWM Control Toner Supply Method Exchanging The Developer Toner Checking Sensor : None Transfer System: Conductive Roller Transfer Fusing System : Temperature & Pressure Erasing Method: Light Using LED Ozone Emission : Less than O.IPPM 8. Packing Main Kit Printer I Set Cassette 1 Piece 1 Piece Developer Cartridge Guide Manual and Diskettes 1 Piece Power Cord 33-l Quenching Lamp 3-l-2 ML-84, ML-84 plus or QwikLaser 84 Specifications are correct at the time of printing. Product specifications are subject to change without notice, And ML-84 plus has the new front cover. Specification & Description Item Interface Engine SAMSUNG ML-SO Resolution WPS : 600 X 600 dpi Remarks PCL4.5 : 300 X 300 dpi Emulation PCL4.5 (Compatible with HP LaserJet IIP) Including the driver Mtcrosoft W PS(W indows Printing System) Font 7 bitmaps CPU Motorola MC68322-20MHz RAM MEMORY Standard : IM or 1.5M bytes Optional SIMM Module : For IM Standard : 4, I6 Mbytes For 1.5M Standard : 4, 16 Mbytes * These SIMMs are compatible with the Computer’s, R O M 1 Mbyte (Font + Program) EEPROM 5 12bytes Front Control Panel 4LEDs & 1 key 0. Interface Bidirectional Parallel Standard NVRAM Centronics - IEEE1284 COMPATIBLE MODE - IEEE1284 NIBBLE MODE - IEEE1284 BYTE MODE - IEEE1284 ECP WITHOUT RLE Use ECP cable - IEEE1284 ECP WITH RLE Serial Interface Optional RS232C - 300,600, 1200,2400,4800,9600, 19200,38400, 57600, I1 5200 bps - XON/XOFF, DTR/DSR Protocol - Robust XON for XON/XOFF I. Copy Capacity Enable up to 999 2. Interface Switching Automatic (Serial & Parallel) 3. Interface Time Out 1 step is I second from 20 seconds to 5 minutes. (Zero is disable) 4. Jam Recovery Jam 0, 1, 2 according to the Jam position The recopy of Jam 0, 1 is default. The recopy of Jam2 is optional. (Don’t use Jam2 recovery under WPS status.) 5 AEP Emulation switching according to Emulation code. 6. Engine Interface Error All LEDs blink when communication is error 7. Status Monitor Bidirectional Status Feedback Animation for printing 8. PRS Buffer 755Kbytes 9. Top Margin 4.23 f 2.0 mm WPS only PC L Pattern 33-2 3-l-3 ML-85, ML-85 plus or QwikLaser 85 Specifications are correct at the time of printing. Product specifications are subject to change without notice And ML-85 plus has the new front cover. Item Specification & Description I Interface Engine SAMSUNG ML-80 Resolution WPS : 600 X 600 dpi Emulation PCL5e (Compatible with HP LaserJet SP) Including the driver 4F o n t 1 Remarks Microsoft WPS(W indows Printing System) 1 bitmap 45 scalable (35 intelligent, 10 truetype) 5C P U Motorola MC68322-20MHz 6 RAM MEMORY Standard : 2Mbytes Option SIMM Module : 2, 4, 8, 16 Mbytes * These SIMMs are compatible with the Computer’s, R O M 2Mbyte (Font + Program) EEPROM 5 12bytes Front Control Panel 4LEDs & lkey 0. Interface Bidirectional Parallel Standard NVRAM Centronics - IEEE1284 COMPATIBLE MODE - IEEE1284 NIBBLE MODE - IEEE1284 BYTE MODE - IEEE1284 ECP WITHOUT RLE Use ECP cable - IEEE1284 ECP WITH RLE Serial Interface Optional RS-232C - 300, 600, 1200,2400,4800,9600, 19200, 38400, 57600, 115200 bps - XON/XOFF, DTR/DSR Protocol - Robust XON for XON/XOFF 1. Copy Capacity Enable up to 999 2. Interface Switching Automatic (Serial & Parallel) 3. Interface Time Out 1 step is 1 second from 20 seconds to 5 minutes. (Zero is disable) 4. Jam Recovery Jam 0, 1, 2 according to the Jam position The recopy of Jam 0, 1 is default. The recopy of Jam2 is optional. (Don’t use Jam2 recovery under W PS status.) 5. AEP Emulation switching according to Emulation code. 6. Engine Interface Error All LEDs blink when communication is error 7. Status Monitor Bidirectional Status Feedback Animation for printing 8. PRS Buffer 9. Top Margin WPS only 755Kbytes 1 PCL Pattern 1 4.23 * 2.0 mm 33-3 3-l-4 ML-85G, ML-85G plus or QwikLaser 85G Specifications are correct at the time of printing. Product specifications are subject to change without notice. And ML-S% plus has the new front cover. Specification & Description Item 1. Interface Engine SAMSUNG ML-SO 2. Resolution WPS : 600 X 600 dpi Remarks Computer 16Mbytes RAM : 300 X 300 dpi 3 Emulation Including the drover PCL4 (Compatible with HP LaserJet II) 4. Font HP LaserJet II Internal fonts 5. CPU None (ASIC dependent on host computer) 6. RAM MEMORY Standard : O.SMbytes 7 ROM None 8 EEPROM(=NVRAM) 9 Front Control Panel IO. Interface S/W Driver Microsoft WPS(Windows Printing System) No option memory ML-85G, ML-85G plus None QwikLaser 85G X24COl P ML-85G, QwikLaser 85G 5 LEDs only POWER LED ML-85G plus 4 LEDs only READY LED ON Bidirectional Parallel Standard Centronics - IEEE1284 COMPATIBLE MODE - IEEE1284 NIBBLE MODE - IEEE1284 BYTE MODE - IEEE1284 ECP WITHOUT RLE Use ECP cable - IEEE 1284 ECP WITH RLE Serial Interface : None I I Copy Capacity Enable up to 999 12. Jam Recovery Jam 0, I, 2 according to the Jam position The recopy of Jam 0, I is default. The recopy of Jam2 is optional. (Don’t use Jam2 recovery under WPS status.) 13. Engine Interface Error All LEDs blink when communication is error 14. Status Monitor Bidirectional Status Feedback Animation for printing 115. PRS Buffer 755Kbvtes 33-4 WPS only 4-1. External Views and Functions Face Down Tray Control Panel Each LED indicates printer status. \ \- Manual Feeder Cassette Cover Open Button 35 Facu up Tray Open Face up Tray and it will stacks one page. Parallel Connector It connects Computer parallel port Air Flow hole Emits internal thermal air 5. Disassembly 5-l. Controller Disassembly Remove the SIMM cover. Push the tab down and pull the SIMM cover away from the printer. Remove the two ribboa connectors on the video controller board. 37 Remove the screw in upper left comer of the metal panel, then remove the panel to expose the video controller board. c / Pull the rear metal panel out and slowly slide the video controller out of the LBP and put it on a flat surface. 38 5-2. Cover Housing Disassembly Remove the Drum unit, and place it in a place isolated from direct sunlight. wire panel Turn the printer’s front to you then lift the door and remove the two screws. If the printer has the Cleaning roller, there should be a connection between OUT of Cleaning board and IN of Cleaning roller. Locate and remove the two screws along the rear side of the printer. From underneath the door, using your thumb, as shown, pull the hook to the left and then pull out the cap wire panel. 39 Remove the Panel PBA harness and locate it not to prevent you from working. To remove the entire cabinet, release the hook that is near the bottom and towards the right front side of the cabinet. To do this, use both hands to elevate the front of the printer, push the frame lock inward while you pull the cabinet outward. 40 The cabinet also has a lock on the inlet side. Push the inlet inward and pull the cabinet upward. Gently pull the cabinet outward to release the lock as shown in the diagram. 53. Fuser Disassembly If you have not already done so, remove the printer cabinet. Remove the two screws holding the SMPS Shield and lift the shield up and away from the SMPS. Disconnect the thermistor wire and the heater wire. , AC wire \ Remove the four screws holding the fkser assembly and pull it away from the printer. 41 Fuser Assembly. thermistor wire Release the lock holding the actuator and lift one end of the actuator and then the other end up and away from the fuser assembly. Remove the screw at the end of the f&er assembly and pull the right electrode off the fuser assembly. Gently, pull the lamp out of the heat roller. Remove the two screws around the thermostat as shown in the diagram. Lift the thermostat out of the f&er assembly and left electrode. 42 Upper Fuser Frame Lower Fuser Frame Remove the four screws holding the upper and lower fuser frame together. Pull the upper and lower fker frames apart. Gear Exit-Laud Pull off and reserve the gear exit-land the CS ring. Pull the heat roller up and out of the upper fuser fkame. 43 Remove the firser gear from the right end and the bearings from each end of the heat roller. Gently lift the spring lock point to release the thermistor assembly Corn the underside of the upper fuser frame. Locate the two exit rollers on the underside of the upper Iuser Came. Gently lift the sprint lock points and remove the exit rollers. Locate and remove the three guide claws and springs. 44 Pressure Roller Lift the pressure roller up and out of the lower fuser fi-ame assembly. Remove the gear exit from the end of the pressure roller. Remove the left bearing exit Roller and right bearing exit roller. 45 Remove the two pressure roller bearings and their springs. 5-4. Gear Bracket Disassembly Along the power inlet side of the printer, locate and remove the seven screws which hold the gear bracket assembly on the printer. Detach the motor harness from the PM. Gear Bracket Assy -_) M&or Bracket Remove the three screws holding the motor bracket to the gear bracket assembly and pull the motor away. 46 Pull up on the gears individually to remove them. On the gear train, remove the belt pulley and CS ring to remove the impella. Other gears on the gear train have permanently welded gear locks. Remove the two screws on the motor bracket to separate the motor from the motor bracket. The OPC Ground can be removed after taking off the gear bracket. 47 5-5. LSU Disassemblv Remove the three screws holding the LSU in the lower part of the printer. 48 Detach the 5-pin scanner motor wire then lift the LSU while you detach the 6-pin LD wire. 5-6. Shaft-Exit Disassembly If you have not already done so, remove the ICU Shield. Release the exit bearing on both sides of the exit shaft. Roller exht \ Holder exit face down Lift the exit shaft up and away from the printer. Locate and remove the face down exit spring, face down exit holder and exit roller. 49 5-7. Top Cover Disassembly If you have not already done so, remove the printer cabinet and cap wire panel. Working on the underside of the top cover, release the spring hook lever and remove the hook lever. C/O B&on Remove the C/O button by pressing in the hook and pulling the button and its spring out of the cabinet. 50 To remove the top cover from the cabinet, remove the four screws holding the two spring-C/OS. Pull out the C/O shaft and separate the top cover Tom the cabinet. 5-8. Engine PCB Disassembly If you have not already done so, remove the printer SMPS shield. Remove the eight screws which hold the PCU assembly. Unlock the pickup roller from the solenoid. Locate the pickup roller stopper under the solenoid’s actuator. Unlock the stopper by pressing it forwards to power inlet. Pull the PCU assembly out of the printer. 51 Detach the motor wire from the motor connector. Unplug the LSU wire and the ICU wire from the PCU assembly. To remove the power inlet assembly, remove the screw. Unlock the inlet by pressing the top and bottom sides of the inlet and pull it out from the PCU shield. Unplug the AC input connector. Remove three screws from the PCU assembly and separate the PCU from the PCU shield. 52 5-9. Feed Assy Disassembly . Roller feed driver / If you have not already done so, remove the PCU assembly. Remove the three screws holding the feed assembly in the printer. Pull the pickup roller off the feed assembly. Pull the pickup roller and feed roller off their shafts after spreading the hooks holding the shafts. . Unhook and remove the small feed spring. Detach the small feed holder. Pop the small feed subholder out of the small feed holder. Remove the small feed roller and the large feed roller and separate them from their idle feeder shafts. Detach the large feed spring. Detach the large feed holder. 53 . Pop the large feed subholder out of the large feed holder and remove the large feed roller and its idle feeder shaft. Spread the hook of the pickup gear’s shaft and pull off the pickup gear drive. Remove the pickup gear. Pull off the pickup lever and the pickup spring. Remove the two pickup bearings and the feeder gear. Remove the feeder grounds. 5-10. Guide Transfer Disassembly Remove the four screws securing the transfer guide inside the printer. Remove the screw securing the motor ground to the gear bracket. Motor Ground w Guide-transfer Slide the saw plate assemoty stopper to rne rert. Separate the saw plate assembly and the stopper. Press the three locks on the saw plate assembly and release the saw plate. Left the transfer guide up and out of the printer. 54 5-I 1. Erasing Lamp Disassembly Remove the two screws holding the quenching lamp assembly in the printer. 5-I 2. Transfer Roller Disassembly Press the locking tabs at both the left and right sides to release the transfer roller. 55 Remove the transfer roller holder, transfer roller spring, and inner transfer roller bushing. 5-13. GND Plate Disassemblv GND Plate Unscrew at the guide transfer. Locate the 3-point locking of the transfer roller ground plate. Lift the transfer roller ground plate by widening the frame and the transfer roller ground plate stopper. remove the ground plate. w Feed Carefully lift the feed-sensor actuator and remove it from its holder. Both sides of the actuator are locked to holders. In a similar manner, remove the paper empty actuator. 56 Release and lift out the feed sensor, paper empty sensor and cover open sensor. 6. Special Circuit Description 6-l. Engine Control Board 6-l-l Main Parts 6-l-l-l Reset Operation Reset circuit initializes CPU when power is turned on and prevents CPU from unstable operation caused by unstable power source. It consists of comparator IC LM393, resisters and condensers which determine reset timing. When dc 3.8V or higher voltage is applied to #3 pin of LM 393, RESET signal goes HIGH and CPU starts initialize operation. CPUPINRS 4 122ms l 6-l-l-2 Fuser Temperature Control Fuser temperature control circuit reads thermistor voltage through CPU pin ##45 (P5.0) and turn on or off mser through CPU pin #38 (P6.4) and transistor Q3 (KSC945) according to thermistor value. Thermistor is device whose resistance changes according to temperature of heat roller. As temperature increases, the resistance of thermistor decreases. LM393 is used for preventing heat roller from overheating. 57 6-l-l-3 Motor Driving Circuit SLA7029M receives phase signal from CPU and generates plused signal for main motor driving and controls driving currents through R5 and R6. It adopts constant current unipolar driving method 6-l-l-4 Solenoid Driving Circuit Solenoid controls the paper pick up clutch. It is operated on +24V and control signal from CPU #22 pin (P3.2). Q4(KSC 1008) is driver transistor and D 1 (IN4003) protects Q4 from switching off noise pulse. CLUlCH D CPUPhN22 6-l-l-5 Cover Open Sensing When cover is closed, CPU pin #48 (P5.3) is HIGH, Otherwise Pin #48 is LOW. 58 6-l-l-6 Sensor There are three sensor - Feed Sensor, Exit Sensor and Paper Empty sensor. 1) Feed Sensor Feed sensor type is Photo Sensor. Feed sensor is connected to CPU pin #46 (P5.1) through R15. If paper is on feed sensor, sensor state is LOW, otherwise sensor state is HIGH. 2) Exit Sensor Exit sensor type is leaf switch. Exit sensor is connected to CPU pin #47 (P5.2) through R30. If paper is on exit sensor, sensor state is LOW, otherwise sensor state is HIGH. 3) Paper Empty Sensor Paper empty sensor type is Photo sensor. Paper empty sensor is connected to CPU pin #/49 (P5.4). When there is no paper in cassette, sensor state is HIGH, otherwise sensor state is LOW. RlO 100 FEED lCCFW48 PEWTY TO CPUW EXIT TO cPw47 EXIT SEWS SW1 6-I -2 Interface Specification 6-1-2-1 Overview SAMSUNG LASER BEAM PRINTER (called ENGINE) can be comected to the image control device (called CONTROLLER) with the interface through which they check their status and control the printing sequence and image data. The ENGINE transposes the received image data from the CONTROLLER into visible image on paper. There are two kinds of interface signal as follows. 1) STATUS SIGNAL /READY indicates whether the ENGINE is ready to print, or not. /CMSG is the command data from the CONTROLLER, /EMSG is the status data from the ENGINE as response for the command data. Both are controlled by /CCLK, /CBSY, and /EBSY signals. 2) IMAGE SIGNAL PRINT makes the ENGINE pick up a paper to print the image data from the CONTROLLER. The synchronized image data (called /VDATA) by /PSYNC vertically and /HSYNC horizontally is sent to the ENGINE by video clock of the CONTROLLER. /EXITPAP indicates that the previous paper clears the exit sensor. 59 6-l-2-2 Structure VIDEO LBP - INTERFACE - CONTROLLER ENGINE LOGIC EXTERNAL DEVICE (PC, HOST COMPUTER) Fig. 6-i-l System Block Diagram I C N /READY 0 l T __!f!?%___ .-_ /CMSG _______-_---_--- l ICCLK ________-_-__--,__rEssv_____ l .__ ICBSY ________________ l /PRINT ________________ *__!PSvr?C____ l __. L NDATA ________________ l L L ,__!Hs\/NC____ __. 0 (_ _ _!u(ITpAP _. __. G N T R 0 E R PRINTING TIMING GENERATOR E R F A C ENGINE TEST PATTERN GENERATOR E SELECTOR I C Fig. 6-1-2 Interface Block Diagram 60 ariC I I EM 0 U T P U T INPUT AC NOMINAL 22OVACf 12OVAC MINIMUM 198VACl90VAC MAXIMUM 264VACll32VAC INPUT AC CURRENT MAX 1.5AJ2.5Arms INRUSH CURRENT (20 DEGREE) MAX 35A P-P LINE REGULATION 207 24v &3% 5V 5v +2% 24V -3%-+10% l 3% LOAD REGULATION 24V 5v 5v RIPPLE NOISE 24V 0.C.P 0.V.P REMARK include the heater current 120mv PEAR 400mV 5v 50mV PEAR 1OOmV 24V 2.7A*lO% 5v SA(FUSE) 25V 33v 5v 5.6V 6-2-2 The SMPS supplies two different DC voltage sources, +5V and +24V OUTPUT +5v +24V APPLICATION 1. Logic Parts Engine Board 2. LSU Controller Board, Panel 1. Main Motor 2. Solenoid Pickup 3. HVPS 4. Heater Input Drive 5. LSU motor AC INPUT REMARK 1. Heat Lamp 6-2-3 Fuser Control circuit Fuser controlled by the “fuser on” signal. When the mser on signal rises triac in the Photo Triac (pc151) is turn on. Then trigger input signal supplies into the gate of the Triac (QlOl), Triac is turn on. 78 Clutch 6-2-4 Switching control When power is turn on, starting current flows into the UlOl(pin6) passing through ZDlOl(R106) The It’s totem-pole output can directly drive the MOSFET(Q102). If the supply voltage drops, the IC shuts its output down when VCC=8.7V. When the under voltage lockout circuit operates, the CS pin goes low to reset the IC. Refer to power device data book (related document). Current/voltage waveform of the FET(Q 102) Output waveform of the Ul 0 1 (pin .,. ._ . . . ,JJ” 1: :. ‘: :.’ : : .: _ . /dn - - - _. . Waveform of the UlOl(pin7) Fig. 1-3 Switching Control Block Diagram 79 and R107. 6-3 HVPS 6-3-l OUTPUT SPEC PRINTING/INITIAL REMARK DCU BIAS/SUPPLY THV “_” -3gov -38OV -lKV -1KV THV I’+” variable +975v by the operating environment EX) temperature, humidity MHV -1.4KV -1.4KV 63-2 Transfer High Voltage Unit vcc A T/C PLUS PART T/C-OUT NP PWMJNPUT 0 Ns ” 0 P.W.M CONTROL PART ) RL 1 RL 2 T/C MINUS PART f THV_EN NP n lL4 Ns RL 3 THV Control Block Diagram THV output is constituted ‘I+” output and “-” output. “-” output is for clean the OPC drum. “+” output use is for draw toner on the paper. When the THV enable is low, the switching TR (Q202) is turned on and “-” output is generated. Soon the switching TR (Q203) is supplied PWM input, “+” output is duplicated to “-” output in accordance with 4203 turn on. The fundamental principle of the BIAS/MHV output control is similar to the THV output control. 80 6-4. VIDEO CONTROLLER The chapter presents the features offered by this printer and describes the electrical operation of the ML-85 Laser Printer Video Controller, which includes the following topics. CPU (MC68322/XC68322FT20) -- Note that the 85G series does not have the CPU. ROM (Program and Font) -- Note that the 85G series does not have the ROM. *DRAM EEPROM Display panel interface Engine interface Parallel interface l l l l l l For a more detailed description of printer operations, refer to Operator’s Guide. 641 Print Panel Display The ML-85 Laser Printer Video Controller uses the following light sequences to keep you informed of the current status of the printer. ( Steady On Double Blink ever 2-3 sets P A P E R Blinks Amber Steady on, (with LED ERROR on steady) MANUAL Amber LED ERROR 1 Red LED Blinking Steady On (with ERROR on) Blinking Steady on (with ) Online and ready to 1 Panel Key and LEDs Wating with data in printer Paper Out Paper Jam Manual Feed Recoverable error, press button to continue or wait timeout. Unrecoverable error, From Feed function: With the printer ONLINE and the READY LED blinking or Double Blinking; pressing and holding the KEY button down for 4 seconds will cause the printer to print any data remaining in the printer’s memory. NOTE : There is no function of key at ML-85G (QwikLaser 85G). 81 Top Cover Open Button 6-4-l -1 Model Comparison New Cabinet OLD Cabinet ML-85 or ML-85G or ML-85 plus ML-85G plus Qw i kLaser 856 Qwiklaser 85 Advancedold type NEW NEW 1. Top Cover Old type 4 LEDs, 1 key 5 LEDs 4 LEDs only 4 LEDs, 1 key & ML-85G ML-85 2. Controller ML-85 ML-66G-t ML-85G is not R61 ML-85G plus is Board and EEPROM. not QwikLaser85G is R61 and EEPROM. R61 and EEPROM ML-85G, ML-85 plus ML-85, ML-85G plus 3. Setup QwikLaser85G Driver QwikLaser85 Cart on/ 6-4-l-2 OP Panel Layout ML-85 or Qwi kLaser 85 ( ML-85G or QwikLaser 856 > f E-85 plus / ‘\ 0 ERROR (Red) 0 ERROR 0 MANUAL (Yellow) 0 MANUAL (Yellow) 0 PAPER (Yellow) 0 PAPER (Yellow) 0 READY (Green) 0 READY (Green) (Red) ML-85G plus \ 0 ERROR (Red) 0 MANUAL (Yellow) 0 MANUAL (Yellow 0 PAPER (Yellow) 0 PAPER (Yellow] 0 REAOY (Green) 0 READY (Green) 0 POWER (Green) J c J L 81-1 J 7-3-2 Troubleshooting Table of Video Controller Board(ML=84/85/85G) ErrorType No 1 Power Error Repair Check List Power cord connection Vcc voltage (nominal is +5V) level. Vcc voltage should be in the range between +4.8 - t5.2V An engine power supply (SMPS) is operating by hearing the rotating sound of fan after connecting the power cord. The engine power supply AC and 5V output fuse in engine power supply unit after power off. 2 Cable Error Mutual connection of engine, panel connector cable (7 pin) and engine interface cable (24 pin). The pins of connector is straight. 3 Main Board Error Any component damage on a video controller board. (Video Controller Board) Any foreign conductive chips of solder or material is on the video controller board or is laid between IC pins after power off. 4 Reset Error n Reset signal. Normallly high during operation. 5 CPU Clock Error 40.0Mhz 6 Video Clock Error 30.075Mhz 7 Panel Error . Check the connecton of panel cable. n Check the panel PCB assembly. 8 DRAMError w Check the DRAM address signals. n Check the DRAM data signals. 9 EEPROM Error n Check the EEPROM clock signals. n Check the EEPROM data signals. 10 ROM Error n Check the ROM chip select signals and read signal. w Check the ROM data signals. 11 Engine Error w Fusing Unit Error : &mister, heat lamp, etc. n Engine communication error : Video controller can not communicate with engine PCU board about the status of the engine such as paper jam, paper empty, ready, etc. n Check the connection of engine interface cable. n Replace the video board by the verified board, and check the operation of printer. n Check the operation of printer driver. 12 Parallel Interface Error n Check the printer cable (bidirectional function?) 13 Engine Related n Please refer to the ML-85 engine service manual about the Problems following. Thermal Error No heating Over heating LSU beam Error Scanner Error Fixing Ass’y Error n Please refer to the user’s manual. 14 General descriptions of n If you can not fix the trouble of video controller board, replace troubleshooting the video board by the verified board. l l Connect the power cord. Replace SMPS unit. Refer to the section of engine trouble shooting. Replace the fuse. Connect the cable to the connector. Repair or replace it with appropriate tools. If unable to do this, replace main board. Remove any foreign conductive chips on the video controller board. TIL compatible input TTL compatible input Messages appear on PC SCreen. At first turn off printer than turn it on again. Refer to engine trouble shooting section. Refer to User’s manual Replace the printer cable. Messages appear on PC screen. At first turn off printer then turn it on again. l l l l 95 Replace the board. 8. Exploded Views 81 Parts List 96 W ._ @iim_ =JY3 103 8-1 Cover & Panel Ass’y q No. Description or l%l A/S (After Service) enable Q’ty Code No. 0 A/S disable Drw No. A/S 1 1 1 PMO-COVERMAIN 1 JC72-4C922A I 1 I 101 I @I I 2 I SPRI%CS:PI0.7,Dl2.4 1 6107-ooo117 I 1 I 102 I IEI PMO-lWI'ID_ClO ) JC72-40336A I 1 PMO-COVER_SIMM 1 JC72-40329A I 1 I 104 I I@ PMO-COVEUXIT 1 JC72-40343A ) 1 I 105 ) El 1 MEC-HWSING,(XIVER:QL-84 1 JC75-1091&A 1 1 1 106 1 @I I3 I I4 I I 5 I 1 6 I 103 1 m ( 1 MEC-HOUSING,CO\‘FR:QL-85 1 JC75-10935A ) 1 1 106 1 q 1 1 MEC-HCUSING,COVER:QL-8% 1 JC75-109344 1 1 1 106 ( q 1 1 MEC-tUJSING,CO\‘W:ML-84 1 JC75-10918X 1 1 I 1 I I 1 JC75-10918M MEC-HCUSING,CUER:h r- I 1 1 1 106 I 1 106 I 1 w 1 q MEC-HOUSING,COVER:h PLUS JC75-10926A 1 106 q MECfKWSING,CT)\IER:M JC75-10918s 1 106 i@ JC75-10927A 1 106 q 1 q MEC-IKZUSING,COVER:ML-8% PLUS pMo-BUI’mJ’~:ML-84/85,QL-84/85, ML-8418518% PLUS 7 1 I JC72-403654 1 1 1 109 1 1 II PMO-BUITCNSANFL:ML-85G,QL-8% JC72-403%B I I JC92-@346A 1 1 1 JC94%985A 1 1 I 110 I ) JC72-40325A I 1 ( 111 I @I ( 6107~133 I 1 I 112 IB 1 JC72-40335A I 1 I 113 ( @I 1 JC72-40335A I 1 I 113 Im 12 I HINGE-HSGL I JC61-BO2m ( 1 I 114 IB I~~/HINGE-HSG R J C61+0209A I PBA-PAN%4Lf!D:ML-84/85,8L-84/85, ML-84/85//8% PLUS 8 I ) PBA-PANEL$L&D,NO KEY:ML+%,QL-8% I PMC-m 9 I I 10 I SPRING-ES I 11 I PMo-~A~~:ML-84/85/85G,QL-84/85/85G I PMO-STACKEKSlJE%:ML-84l85l8% I PLUS 1 JC7C-10228A 1 14 1 IPR-SHAFTCOVER OPEN I 1 -- 1 1 1 ( 116 ( 1 I 1 6 1 COM,SPRINGC/O,R 1 831 523031CA 1 1 1 1 7 1 PMC-CAP_Pm WI~:~-~is5/85c,QL-s4/85/85G 1 JC72-403384 1 1 I 1 JC72-41056A I 1 I I 18 PMO-CAPJm WIREML-84/85/85G PLUS SCRI+TAPTI’IE:FVH,+,B,M3 1 6003m 98 I 115 ) 118 ) q , ) ml ) @I I 119 ( !@I I I 1000 ) \@I( 119 I 1 q 117 1 I I 1 I /o q I 831 523031CB II 1 1 @I 110 COM,SPRINGC/O,L I 15 109 I I ml I 8-2 Assy Frame Parts List No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1.5 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 - Parts Name ROLLER-TRANSFER BUSH TR INNER SPRING T/R, L GEAR-TRANSFER GND-TRANSFER, PLATE HOLDER-TR BEARING, L HOLDER-TR BEARING, R SPRING PLATE TR GEAR-EXIT BEARING-EXIT, F/DOWN RUBBER-EXIT SHAFT-EXIT GEAR-EXIT/U, ID SPRING-EXIT, F/DOWN ROLLER-EXIT HOLDER-EXIT, F/DOWN EARTH PLATE FU GROUND G/TR TERMINALwV2 TERMINAL H/V 1 SPRING H/V SPRING-PLATE GDEV GUIDE-DEV, L GUIDE-DEV, R FRAME-BASE GROUND-OPC GROUND MOTOR ACTUATOR-FEED ACTUATOR-EMPTY FOOT-RUBBER ACTUATOR C/O SPRING C/O SENSOR ASSY-ERASE, LAMP BKT-ERASE GROUND-ICU SHIELD-ICU SHIELD-COVER SIMM GUIDE-TRANSFER INSULATOR-G/TR PLATE-SAM HOLDER-SAM PLATE SHIELD-CAP WIRE Code No. 811492004AA 821492008AA 83 1 522060BA 821492054AA 813492011AA 82149208OAA 82149208OAA 813492025AA 82149203OAA 811492007AA 821492081AA 821492074AA 821492032AA 83 1 522050DA 821492054AA 821492054AA 8 13 49200AA JC70- 10008A 935 81004OAA 935 8 10040BA 83 1 522042JA JC61-7OOOlAA JC61-20001AA JC61-20003AA JC72-60011A 813492013AA JC70- 10007A 821492003AA 821492002AA 831313026AA 821492089AA 831521073AA JC93-20007A JC70- 10002A JC70- 10006A 813492021AA 813 492034AA 813492016AA JC72- 10002A 813492057AA 821492057AA JC70- 10003AA Li?!t1 2 2 1 1 1 1 1 1 2 3 1 2 3 3 3 1 1 2 1 3 2 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 100 Dtw No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Material CLOROHYDRINE %,FE POM (CE-20), BLK sus304 WPS, 0 0.5 POM BLK sus304 to.3 PC BLACK PC BLACK SUS304 CSP 3/4H, to.2 DURACON M90 POM NTR EPDM 60” ABS GF20% BLK DURACON M90 SUS304 WPB, 6 0.5 POM BLK ABS GF20% BLK SUS CPS3/4H to.2 SUS301 CSP 1/2H TO.2 SUM 24L Ni SUS304 WPB $0.4 SUS304 CSP3/4H, to.2 POM BLK POM BLK ABS VO GF20% BLK SUS304 CSP3/4H to.2 SUS301 CSP 1/2H TO.2 ABS HB BLK ABS HB BLK CR60 VO GRAY ABS VO BLK SUS304 WPB 0 0.3 _ SECC, to.5 SECC T=0.8 SECC to.5 SECC to.5 SECC t0.6, 45% PVC LSO80 SHEET to.3 sus304 CSP to.1 PC BLK SECC, to.6 101 _ ” “. _’ ‘_ __ ., \_,_j., 8-3 Assy Motor Parts List NO. QfY Dtw No. Material Als 1 ASSY-MOTOR Parts Name JC92-60004A 1 - - /a 2 STEP-MOTOR 953 280066AA 1 301 3 BRACKET-MOTOR 813492017AA 1 302 SECC tl.2 q 4 GEAR- 132125 821402026AA 1 303 DURACON M90 [XI 5 GEAR-125/18 821492025AA 1 304 DURACON M90 q 6 GEAR-FEED DRV 821492034AA 1 305 DURACON M90 Ixi 7 8 GEAR-OPC DRV GEAR-IDLE OPC 82140203OAA 821492036AA 1 1 306 307 DURACON M90 DURACON M90 [XI !I Code No. PM TYPE(7.5”) [xi 9 GEAR-IDLE, FTJ 821492038AA 1 308 POM SW-01 10 GEAR-FUSER, DRIVE 821492035AA 1 309 DURACON M90 q 11 GEAR PULLEY 821492024AA 1 310 DURACON M90 [XI 12 13 BELT IMPELLER ASSY IMPELLER 831 721004DA 811 721004DA 1 1 311 312 EPDM PULLEY/IMPELLER/BEAR [xl [x1 14 BRACKET-GEAR 813492OOlAA 1 313 SECC tl.2 ixI 15 O-RING 603 l-000004 2 314 @ 3.0, t1.2 [x1 16 POLYWASHER(I1) 603 l-000006 1 315 4 3.0xt0.5 [XI 17 POLYWASHERQ) 603 l-000005 2 316 9 i3.0 x 4 05.0 Kl 102 (I. 222 103 8-4 Fuser Parts List Code No. w 1 ASSY-FUSER, 1 IOV 2 ASSY-FUSER, 220V 3 FRAME-UPPER,FU 4 SPRING EXIT F/UP 5 ROLLER EXIT F/UP 6 ELECTRODE-FU, L 7 THERMOSTAT 8 CBF-HARNESS, LAMP 9 GEAR-EXIT/L, ID 10 GEARFUSER 11 H/RBEARING,L 12 WRBEARING, R 13 H/ROLLER 14 LAMP-HALOGEN 15 LAMP-HALOGEN 16 ELECTRODE-F&R 17 FRAME-LOWElqFu 18 P/R BEARING 19 SPRING P/R 20 P/ROLLER 2 1 GROUND-PLATE, FU 22 SPRING-THERMISTOR 23 EXIT ROLLER L 24 BEARING EXIT FU, R 25 BEARING EXIT FU, L JC93-30001A JC93-30001B 821492022AA 813 492024AA 82149209OAA 815 492OOlAA 4712-000001 JC39-40007A 82 149203 1AA 821492023AA 821492051AA 821492088AA 815492088AA 4713-000001 47 13-000002 8 15 492002AA 821492021AA 821492044AA 83152206OAA 811492OllAA 813 492014AA 813492026AA 1404-000001 811492OlOAA 821492006AA 1 1 1 2 2 1 1 1 2 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 DIW No. 201 202 203 204 205 206 207 208 209 210 211 212 212 213 214 215 216 217 218 219 220 I 221 222 GEAR-EXIT, FU ACTUATOREXIT GUIDE-CLAW SPRING-CLAW 821492005AA 82149203OAA 821492OOlAA JC6120005A 6107-00008 1 1 1 4 4 223 224 225 226 227 No. 26 27 28 29 30 Parts Name 104 rdatedal PBT GF30% BLK SUS304 CSP-1/2H to.15 POM M90-02, BLK C52 1P to.5 PW-2N, 160°C 3P, 475/275MM, WHT DURACON M90 NY66, GF33% PPS RBA3 13 PPS RBA3 13 AL+PTFE, TEFLON 115V, 600W 22OV, 600W C52 1OP to.8 PBT GF30% BLK PPS RBA3 13 SUS304 WPB Q 0.9 SUM22tHTVt~~COATING SUS CSP 1/2H to.2 SUS CSP 1.2H to.2 17o’c SUM24L+CR POM (CE-20) BLK POM BLK PEBAX POM BLK LCL4024(PEEK+PTFE+C!F) SUS304 WPB Ns IXI IXI [XI 0 [XI cl IXI q 0 IXI rzI lzl IXI [XI !zl Ix] IXI Ix1 [XI q q cl lxl [XI IXI [XI lxi [XI q Ix1 105 No. 1 2 3 4 Parts Name ASSY PICK-UP GEAR-PICK UP SHAFT-PICK, UP BEARING-PICK-UP Code No. Dtw No. JC93-4000 1A 82 149204 1AA 8 13 49203OAA 821492007AA w 1 1 1 4 Material 401 402 403 LNI’ LUBLILOY R SUM24L, Nl POM (CE-20) BLK AIS Ixi Ix] q Ix1 65 7 SPRING P/UF’ P/P LEVEL GND-FEED 831 523031DA 821492064AA 813 492OlOAA 1 1 405 404 406 SUS304 WPB $0.5R LNT’ LUBLILOY SUS304 CSP 1/2H, to.15 kz 8 9 10 11 FRAME-FEED HOUSING-PICK, UP RUBBER-PICK, UP ROLLER-FEED, DRIVE 82149202OAA 821492062AA 821492082AA 821492071AA 1 1 1 1 407 408 409 410 PC GF30% BLK ABS HB BLK EPDM 30” POM BLK+URETHAN lxl IXI Ix] 12 13 14 15 16 17 18 19 20 21 22 GEAR-FEED GEAR-P/UP, DW SHAFT-FEED SPRING-FEED, SMALL HOLDER-FEED, SMALL SUB HOLDER-FEED, SMALL ROLLER-FEED, SMALL ROLLER-FEED, LARGE SHAFT-FEED, IDLE HOLDER-FEED, LARGE SPRING-FEED, LARGE 82 1492033AA 82 149204OAA 813492028AA 831 521073BA 831521073BA 821492077AA 82 1492073AA 821492072AA 813492029AA 821492055AA 83 1 522060EA 1 1 1 1 1 1 1 2 3 1 1 411 412 413 414 415 416 417 418 419 420 421 DURACON M90 DURACON M90 SUN 24N NI SUS304 WI’B, <D 0.6 ABS GF20% BLK PON NTR POM NTR POM BLK SUM 24L Ni ABS GF20% BLK SUS304 WPB, @ 0.8 IXI (XI [XI [XI [XI (XI Ix] IXI [XI 106 q q q txl 107 8-6 Cassette & LSU & Developer Ass’y PMO-FRAME CASSETTE 1 Q’ty Drw No. A/S 1 500 q Q’ty .Drw No. A/S ML-C800(E) 1 900 q ML-C810(E) 1 900 I@ Description No. UNIT-Hl:ha-80.11244RPM Code No. JC59-105OlA Code No. Description No. 1 OLD CARTRIDGE 2 NEW CARTRIDGE: CLNhOPC : NO CLN&OPC 108 8-7 Engine Board 8-7 - 1 PCB Revision 4.8 & 5.1 Comparison Ver . Code No. Description/Specification V4.8 JC41-10012A PCB-ML,ENGINE(X):ML-80(X) v5.1 JC41-100128 PCB-ML,ENGINE:ML-80+ V4.8 2001-000812 R-CARBON:5,6Kohm,5%,1/8W v5.1 JC39-405llA CBF-HARNESS:ML-80,JUMPER v4.8 0401-000005 DIODE-SWITCHING:lN4148 v5.1 0401-000005 DIODE-SWITCHING:lN4148 v4.8 2001-000660 R-CARBON:33Kohm,5%,1/8W v5.1 2001-000660 R-CARBON:33Kohm,5%,1/8W V4.8 2001-001145 R-CARBON(S):4.7Mohm,5%,1/2W v5.1 2009-001042 R-METAL GLAZE:4,7Mohm,l%,l/4W,AA,TP,3x9 V4.8 2001-001252 R-CARBON(S):2Mohm,5%,1/2W v5.1 2009-001041 R-METAL GLAZE:2Mohm,l%,l/4W,AA,TP V4.8 2201-000326 C-CERAMIC,DISC:2.2nF,lO% v5.1 2202-000186 C-CERAMlC,MLC-AXIAL:2.2nF,5%,50V,NPO, V4.8 3405-000167 SWITCH-MICRO:5V,lmA,2.lgf v5.1 0604-000229 PHOTO-INTERRUPTER:TR,-,-,-,BK V4.8 2009-001026 R-METAL GLAZE:4.7Mohm.l%,1/4W,AA,TP,3x9 v5.1 2009-001041 R-METAL GLAZE:4.7Mohm.l%.1/4W,AA,TP,3x9 v4.8 2004-002001 R-METAL:l2.lKohm,l%,1/8W v5.1 2004-002001 R-METAL:l2.lKohm,l%,l/8W v4.8 2201-000021 C-CERAMIC,DISC:lOOnF v5.1 2201-000021 C-CERAMIC,DISC:lOOnF V4.8 JC39-40514A CBF-HARNESS:ML-80,FLAT,ULlOO7,145mm v5.1 JC39-40513A CBF HARNESS:ML-EO,FLAT,6,9,220mm,WHT v4.8 JC39-40516A CBF-HARNESS:ML-80,WIRE,ULlOO7,3OOmm, v5.1 JC39-40518A CBF HARNESS:ML-60,FLAT,UL1007,220X3mm, Unit Q’ty Locat i on No. EA 1 EA 1 EA 1 EA 1 EA 2 R204,207 EA 7 R201,202,203,205,206.208,209 EA 2 C2,3 EA 1 EA 1 EA 1 EA 1 EA 1 EA 1 EA 1 PCB V4.8 PCB V5.1 R267 JPl21-U201#5 D218 JP102 R276 SW1 OP3 THV OUT R277 Q5(C)-JW2cSOLDER R63 JP60-BDl(CN3#5) C46 CLNtSOLDER SIDE) CN7 OPC(SOLDER SIDE) CN8 3711-002653 CONNECTOR-HEADER:BOX,3P,lR 3711-000901 CONNECTOR-HEADER:BOX,3P,lR v5.1 0402-000129 DIODE-RECTIFIER:lN4003,2OOV,1A,DO-41 EA 1 D217 v5.1 2004-000337 R-METAL:l50ohm,5%,l/BW EA 1 R64 v5.1 109 CN7 CN8 SIDE) 8 - 7 - 2 220Vac(PCB R E V 5.1) Lev TOP SUB Code No. Description/Specification Uni t Q’ty ML-85G JC96-01004A ELA-PCU:ML-80,EXPORT,NO JC96-01003A ELA-PCU:ML-80,EXPORT,SCF,CLN&OPC JC96-01043A ELA-PCU:ML-80,EXPORT,NO JC96-01041A ELA-F'CU:ML-80,EXPORT,SCF,NO JC94-00920A PRA-PCU AUTO:ML-80,EXPORT EA 1 JC39-40511A CBF-HARNESS:ML-80,JUMPER EA 167 DIODE-SWITCHING:lN4148 DIODE-ZENER:UZ5.16,5.1V SCF,CLN&OPC SCF+CLN&OPC Locat ion No. EA 1 CLN&OPC ML-85 for for ML-85G ML-85 for for new new old old cartridge cartridge cartridge cartridge EXPORT(220-240~) JP-,R267 D2-8,101,154.209,212,213, R-CARBON:lKohm,5%,1/8W R-CARBON:3.3Kohm,5%,1/8W R-CAR8ON:5,6Kohm,5%,1/8W 40,43,59,60,61,63,260,261 R-CARBON(S):470ohm,5%,1/2W 111 R-METAL:4.3Kohm,5%,1/8W R-METAL:97.6ohm,l%,1/8W 2201-000017 C-CERAMIC,DISC:lnF,lO% EA 14 2201-000019 C-CERAMIC,DISC:lOnF, EA 2 2201-000021 C-CERAMlC,DISC:lOOnF EA 10 2201-000138 C-CERAMIC,DISC:lOOpF EA 3 2201-000163 C-CERAMIC,DISC:lOnF EA 11 2201-000326 C-CERAMIC,DISC:2.2nF,lO% EA 3 112 Cl6,17,19,22,23,27,299,38,39, 40,41,42.43,45 ClO6.232 C26,32,34,37,46,209,222,226, 227,229 C28.30,31 Cl,8,9,13,14,15,18,24,36, 217,231 C218,223,230 I I Lev I I I I Code No. 1D e s c r i p t i o n / S p e c i f i c a t i o n Locat ion No. C-CERAMIC,DISC:470pF 2401-001476 C-AL:47uF,20%,10V,GP,TP EA 2 C6,11 2401-001576 C-AL:47uF,20%,50V,GP,TP EA 2 C5,228 2401-001585 C-AL:47uF,20%,50V,Wl EA 1 Cl14 24048-035-020 1 FERRITE-BEAD:BLOIRNl-A62T EA I ' 215,216,219 7 BD1,2,101,102,103,151,152 I / I EAI 3 j FB1,2,3 1 EA1 4 j FH101,152 1 DIODE-REC,ESJA57-04,DO-35 1 EA1 9 / SUB / JC94-00923A / PRA - PCU MAN/ROB:ML-80,EXPORT j EA I 1 TRANS-AF:ML-80,1.3uH I EAI TRANS-AF:ML-80,95mH I EA1 TARNS-AF:ML-80,0.32WIRE 1 I EA/ / I EA/ JC27-60101A / COIL-FILTER:llOmohm // / COIL-FILTER:300uH I EAI JC27-60101B 1 COIL-FILTER:SuH I EAI JC27-60101C / COIL-FILTER:GuH I EA I I I I 3602-000001 I I I 1 I ( I 1 1 I I I JC26-20100A 1 I JC26-20301D 1 JC27-60lOOA I I I I JC26-20301B I ' JC27-60101D / 1 FUSE-CLIP:SOmohm 893 390057AA I JC70-10909A BEAD:ZZ, j 1 I I 1 CORE-FERRITE 1 EA I 1 1 3301-000344 I IPR-CONNECTOR / HV:ML-80 / 113 / 1 / 3 I I 1 T201,202,204 j I 1 I LlOl L152 L151 I 1 3 L102 1 I I I / I I L103 / I EA1 I I 1 TlOl I 1 1 I 220V T203 / MHV,DEV,SUPPLY I I I D201-208,210 1 EXPORT 1 EA COIL-FILTER: / I C201,202,204,206,211,212, 2201-000724 I I 1 U n i t 1 Q’ty 1 I I I C-CERAMIC,DISC:lOnF I Lev Code No. Description/Specification 2801-000002 CRYSTAL-UNIT:6.94407MHz Uni t Q'tY EA 1 Locat ion No. Xl SWITCH-MICRO:125V,!iA,50gf CONNECTOR-HEADER:lWALL,3P CONNECTOR-HEADER:BOX,13P I SUB I 1 1 1 3712-000001 / CONNECTOR-TERMINAL:PLATE EA 1 JC96-00319A 1 EA I JC61-70100A 1 SPRING-PS:ML-66G,STS304-W / EA TUBE-IRF840:SSP5N90,N,900 1 EAI JC62-20001A 1 0402-000304 1 I-~ 1 0402-000314 I 0505-000173 ELA-H/SINK:ML-80 DIODE-RECTIFIER:STPRlO2OCF 1 1 THV 1 1 1 DIODE-RECTIFIER:DlOSC4M,40V 1 FET-SILICON:SSP5N90,N,900 1 EA/ 1 EA1 1 220V ALL 1 FOR 1 1 1 EA 1 SMPS I I H/SINK 9102 I D153 1 1 I D152 1 I Q102 THYRISTOR-TRIAC:lOOA,6OOV 6003-000119 SCREW-TAPPING:BH,+,B,M3,L EA 115 1 0152 I ELA-PCU SHIELD:ML-80 IPR-SHIELD PCU:ML-80 NO SCFtSWlTCH SECC 1102-000239 IC-EPROM:27C256,32Kx8BIT EA 1 u2 6003-000132 SCREW-TAPTITE:BH,+,S,M4,L EA 5 PCB & SHIELD 6031-000120 WASHER-E,T:M4,ID4.3,OD8.5 EA 1 F.G(OF INLET HANESS) 116 8-7-Z llOVac(PCB REV 5.1) ELA-PCU:ML-80,EXPORT,SCF,CLN&OPC QL-85 ELA-PCU:ML-80,EXPORT,NO QL-85G for old cartridee ELA-PCU:ML+30,EXPORT,SCF,NO SCF+CLN&OPC DIODE-ZENER:UZ27BM,27V EA 1 ZDi03 0403-000346 DIODE-ZENER:UZ33B,33V EA 3 ZD152,204,205 0403-000356 DIODE-ZENER:UZ5.6BCB,5.6V EA 2 ZD151,201 0403-000475 DIODE-ZENER:lN52?4B,l3OV EA / 1 20203 j DIODE-ZENER:UZ7.5BM,7.5V EA / 1 1 20202 / I / 0501-000294 /TR-SMALL SIGNAL:KSA708,PNP / EA I / / R-CARBON:680Kohm,5%,1/8W I EA 116-l cartridge D1,211,216,217 0403-000338 2001-000012 new QL-85 for old cartridge CLN&OPC ZOOV 1A DO-41 I for I 4 j ' Q205,207,208,209 1 R236 I I I 1 Lev !- Code No. Description/Specification Unit 1 Q’ty Locat ion No. 1 2001-000118 R-CARBON(S):lBOohm,5%,1/2W EA 1 R103 2001-000221 R-CARBON:1.2Kohm,5%,1/8W EA 1 R39 2001-000273 R-CARBON:lOOKohm,5%,1/8W EA 2 R215,238 2001-000281 R-CARBON:lOOohm,5%,1/8W EA 7 R15,24,29,30,31,155,252 EA R-CARBON:12Kohm,5%,1/8W 2001-000331 I 1 R56 I I I 1 1 R12,18,33,34,41,42,44,45,46, 2001-000429 R-CARBON:lKohm,S%,l/BW 2001-000449 R-CARBON:2.2Kohm,5%,1/8W EA 6 R225,250,254,255,256,259 2001-000515 R-CARBON:220ohm,5%,1/8W EA 1 R27 2001-000522 R-CARBON:22Kohm,5%,1/8W EA 1 R268 2001-000552 R-CARBON:270ohm,5%,1/8W EA 1 R112 2001-000563 R-CARBON:27Kohm,5%,1/8W EA 1 R253 2001-000591 R-CARBON:3,3Kohm,5%,1/8W EA 1 R57 2001-000660 R-CARBON:33Kohm,5%,1/8W EA 7 R249,257,263-266,276 2001-000734 R-CARBON:4.7Kohm,5%,1/8W EA 2 R51,llO 2001-000780 R-CARBON:470ohm,5%,1/8W EA 1 R156 2001-000786 R-CARBON:47Kohm,5%,1/8W EA 7 R9,10,54,223,224,227,232 2001-000812 R-CARBON:5,6Kohm,5%,1/8W l6 43,59,60,61,63,260,261 / EA 1 lo 49 R7,11,13,19,26,28,36,38,40, 2001-003115 1 R+ETAL:430ohm,5%,1/6W j 1 EA 1 1 R218 I 2004-000002 1 R-METAL:78,7Kohm,l%,1/8W 1 1 EA 1 1 R247 I 2004-000003 R-METAL:16,2Kohm,l%,1/8W R237 I 2004-000337 EA I R-METAL:150ohm,5%,1/8W 1 116-2 ( EA 1 3 1 R16,23,64 1 I / I I I / 2004-001156 R-METAL:GlSKohm,l%,l/8W EA 1 R242 2004-001231 R-METAL:75Kohm,l%,l/8W EA 3 R235,244,269 2004-001315 R-METAL:86,6Kohm,l%,l/8W EA 2 R234,240 2004-001357 R-METAL:93.lKohm,l%,lisW EA 1 R233 R-METAL:97,6ohm 1% 1/8W Cl6,17,19,22,23,27,29,38,39, C-CERAMIC,DISC:lnF,iO% C-CERAMIC,DISC:lOOnF Cl,8,9,13,14,15,18,24,36, C-CERAMIC,DISC:lOnF I 116-3 I C-CERAMIC,DISC:470pF 2404%035-020 FERRITE-BEAD:BLOlRNl-A62T BD1,2,101,102,103,1 116-4 PHOTO-COUPLER:TRIAC, R-CEMENT:260ohm,5%,5W,CB I C-AL:477Uf,20%,10V I 116-5 I I I Lev I I Code No. I I I I I I I Description/Specification 1 Unit 1 Q’ty 1 Locat ion No. I 2801-000002 CRYSTAL-UNIT:6,94407MHz EA 1 Xl I 3405-000125 SWITCH-MICRO:125'/,5A,50gf EA 2 sw151,152 I 3601-000151 FUSE-FERRlJLE:12%',5A,NON EA 1 Fl51 I 3601-000157 FUSE-FERRULE:125V,8A,SLOW EA 1 FlOl I EA 2 Q202,204 I BLOW SOCKET-IC:28P,DIP,SN,2.54 I I I I 891 490526AB I 935 240902DW I 937 330009AA 1 SUB 1 JC96-00320A I 1 I I I 1 I I TR-NPN,KSD526Y,TO-220:30W 1 CON-WALL HEADER,2P,2,5MM: 1 MAG-SOLENOID,24V: / SPRING-PS:ML-66G,STS304-W JC62-20001A / TUBE-IRF840:SSP5N90,N,900 0402-000304 DIODE-RECTIFIER:STPRlO2OCF 0402-000314 1 I EA ELA-H/SINK:ML-80 JC61-70100A EAI 1 EA 1 / 1 EA I EA/ CN4 I CLUTCH I 1 1lOV 1 1 FOR 1 Q102 I ALL SMPS H/SINK I I EA 1 D153 I DIODE-RECTIFIER:DlOSC4M,40V EA 1 D152 I 0505-000135 FET-SILICON:IRF840,N,500V EA 1 Q102 1401-000108 THYRISTOR-TRIAC:lOOA,6OOV EA 1 QlOl 6002-000154 SCREW-TAPPING:PH,+,2,M3,L EA 1 Q203 6003-000008 SCREW-TAPPING:BH,+,S,M3,L EA 1 Q201 6003-000119 SCREW-TAPPING:BH,+,B,M3,L EA 1 D152 116-6 LA-PCU SHIELD:ML-+30,NO ELA-PCU SHIELD:ML-80,SCF,NO SCFGWITCH SWITCH SCREW-TAPTITE:EH,+,S,M4,L 116-7 8-8 Operator Panel Board Description/Specification Unit Locat i on No. Q’tY / I I PBA-PANEL,4LED,lKEY:ML_85/85G SUB 1 JC92-00372A 2202-000579 SUB 1 JC92-00373A PBA-PANEL,AUTO:ML-85185G 1 PCB-PANEL LED:ML-85/85G,FR-4 1 1 1EA1 R-CARBON:180ohm,5%,1/4W 1 C-CERAMIC,MLC_AXIAL:lOOnF,tBO-20%,50V 1 EA1 1 EA 4 1 ( EA1 LED:ROUND,GRN,Smm,563nm 1 1 EA1 LED:ROUND,RED,5mm,65Onm / 1 EA1 LED:ROUND,YEL,5mm,585nm 1 SWITCH-TACT:12V,50mA,l6Og 3711-001096 CONNECTOR-HEADER:BOX,7P I I EA I j LED1 I 1 LED4 I Cl LED2,3 ( ’ I sw1 ’ IJ’ I I I 0601-000255 LED:ROUND,RED,5mm,65Onm EA 1 LED4 0601-000304 LED:ROUND,YEL,5mm,585nm EA 2 LED2,3 3711-001096 CONNECTOkHEADER:BOX,7P EA 1 Jl 116-8 I 1 I 1 I R1,2,3,4 MANUAL 1 2 / EA EA I I I I PBA-PANEL,LED:ML-85 3404-000116 AUTOMATIC PCB-LED EA / 1 I I I I 8-9 Erasing Lamp Board Lev / TOP Code No. JC96-00286A j JC39-40512A 1 Description/Specification ELA-ERASE LAMP:ML-80,SEC 1 CBF-HARNESS:ML-80,FLAT I 1 U n i t 1 Q’ty 1 EA 1 EA Ill Locat ion No. UPG I I JC41-10007A PCB-QUENCH:ML-80,QUENCH EA 1 JC68-10526A LABEL(P)-VOLTAGE:ART EA 1 JC70-10002A IPR-BRKT ERASE:ML-80,SEC EA 1 JC70-10913A IPR-CONNECTOR CL/R:ML-80 EA 1 CLEANING JC72-10908A PPR-CONNECTOR CL/R:ML-80 EA 1 CLEANING 0601-000009 LED:ROUND,RED,5.6X4.8MM EA 23 01-23 2001-000061 R-CARBON:33ohm,5%,1/4W EA 3 RI-3 3711-000023 CONNECTOR-HEADER:BOX_LATCH EA 1 6003-000119 SCREW_TAPTITE:BH,+,B,M3,L EA 1 6003-000179 SCREW-TAPTITE:PH,+,S,M3,L EA 4 116-9 I =ERASE I I I I I I 8- 10 OPC Board & Cleaning Board ILev I Code No. I TOP Lev TOP Description/Specification I JC96-01023A Code No. ELA UNIT-ZENER BOARD : ML-80, Description/Specification JC92-00917A PBA-CLN ML:ML-80,ALL JC44-10501A SMPS-CLN BOARD:ML-80,DC/DC 116-10 Unit I 1 Q’ty I Locat ion No. 1 I EA 1 OPC Board Unit Q’ty EA 1 Cleaning EA 1 CLEANING PBA Locat ion No. Board I 8-- 11 Video Controller Board 8-11-l ML-85, ML-85 plus or QwikLaser Code No. 85 Description/Specification JC92-00312A PBA-CONTROLLER:ML-85 JC92-00356K PBA-CONTROLLER,SMD:ML-85 1 Unit EA / Q’ty 1 Loca t ion No. ALL lJ9 ue PCB D2-18 u12 Uil u2 u3 Ul UIO Ul3 2007-000290 R-CHIP:lOOohm 5% l/lOW R37,49,56,57,59,60,73 Rl,3,5,6,8,9,30,32,36,40, 20 58,68,78,80.82,83,84,86,87, 90 2007-000308 R-CHIP:10ohm,5%,1/10W EA 2 R38,Bl 2007-000449 R-CHIP:180ohm,5%,1/1OW EA 5 R43,44,55,34,35 2007-000468 R-CHIP:lKohm,5%,l/lOW Rl2,14,16,17,20,23,24,27, 28,48,51,52,53,54,85,89, 146 2007-000658 / R-CHIP:27ohm,5%,l/lOW 2007-000781 R-CHIP.33ohm,5%,1/10W I EA 14 Rl0,11,61,71 R2,4,13,15,1B,l9,21,22,25, 26,31,33,39,50,69 R88 R41,42,45-47 R-CHIP:68ohm,5%.1/10W EA 117 66 R29.62-67,72.74-77,91-106,l 08-145 i 4 Lev Code No. 2203-000199 2203-000239 SUB Description/Specification C-CERAMIC,CHIP:lOOnF C-CERAMIC,CHIP:lOOpF,5% Uni t Q’ty EA 35 EA 30 Locat i on No. C1,2,6,7,10-12,14,17-24, 27-30,32-43,49,50,56 C26,31,46,58-64,66-79,83, 91-95 2203-000455 C-CERAMIC,CHIP:lnF,5% EA 6 (x3,51-55 2203-000595 C-CERAMIC,CHIP:220pF,5% EA 3 C80-82 2203-000953 C-CERAMIC,CHIP:470PF,5% EA IO C4,5,8,15,16,25,44,45,47.48 2404-000308 C-TA,CHIP:33uF,20%,1OV EA 3 c9,57,90 2901-000235 FILTER-EM1 EA 1 LF5 3704-000280 SOCKET-IC:44P,PLCC,SN EA 2 U5,6 911 700007BS REF-CHIP,0.5%,1/10W:l5OV EA 1 R79 JC92-00357F PBA-CONTROLLER:ML-85 EA 1 JC68-10529A LABEL(P)-ROM:ML-80,ART EA 2 U5,6 1102-000130 IC-EPROM:27C4096,256K*IGBIT EA 2 U5.6 2804-000260 OSCILLATOR-CLOCK:40MHz EA 1 OSCl 2804-000351 OSCILLATOR-CLOCK:30,075MHz EA ,l 3702-000118 CONNECTOR-RIBBON:36P,FEMALE EA 1 J2 3703-000126 CONNECTOR-DIN:20P,2R,MALE EA 1 J5 3709-000177 CONNECTOR-CARD EA 1 Jl 3711-001091 CONNECTOR-HEADER:BOX,7P EA 1 J4 3711-003204 CONNECTOR-HEADER:BOX,24P EA 1 J3 3711-003205 CONNECTOR-HEADER:BOX,4P EA 1 J6 SMD:50V,300mA EDGE:72P 118 osc2 119 8 - 1 1 - 2 ML-85G, ML-85G plus or QwikLaser 85G Lev TOP SUB Code No. =-I-=- Description/Specification Locat ion No. JC92-00344B PBA-CONTROLLER:ML_85G JC92-00344C PBA-CONTROLLER:QL-85G JC92-00312H PEA-CONTROLLER:ML-85G JC92-00356D PBA-CONTROLLER,SMD:ML-85G JC92-00356H PBA-C~NTR~LLER,SMD:QL-85G JC92-00370Q PBA-CONTROLLER,SMD:ML-85G JCl3-IOOOlA IC-ASIC,CONTROL:ML-85G JC41-1OOllB PCB-CONTROLLER:ML-85G,QL-85G JC41-10303N PCB-CONTROLLER:ML-85G 0202-000001 SOLDER-PASTE:RMA2007,11% 0407-001008 DIODE-ARRAY:DA204K,2OV EA 1 17 D2-18 0407-001008 DIODE-ARRAY:DA204K,2OV EA I 2 Dl9,20 (FOR ML-85G plus) 0801-000012 IC-CMOS LOGIC:74HCl4 EA 2 U7,8 (FOR ML-85G plus) 0803-001040 IC-TTL:74LSl4,SCHMITT 1105-000180 -L 1 EA plus 1 1 EA 1 plus plus EA 1 EA 1 ML-85G QwikLaser 85G (EEPROM & R61) ML-85G plus (READY LED ON) ML-85G Qw~kLaser 85G ML-85G plus u3 ML-85G,QwikLaser-85G ML-85G plus 0.001 KG t INVERTER,SOP 1 I EA I ’ u4 IC-DRAM:48C512,512*8BlT EA I 1 u5 1203-000346 IC-VOL. SUPERVISORY:7705 EA 1 Ul 2007-000290 R-CHIP:l00ohm,5%,l/lOW I 1 R31,32,36-38,42-45,47-49,72, 83 R86,87 (FOR ML-85G plus) 2007-000290 R-CHIP:l00ohm,5%,l/lOW 2007-000300 R-CHIP:lOKohm,5%,1/1OW EA 2007-000300 R-CHIP:lOKohm,5%,l/lOW EA 2007-000449 R-CHIP:l80ohm,5%,l/lOW EA 5 R24-26,30,84 2007-000468 R-CHIP:lKohm,5%,l/lOW EA 5 R4,18.19,50,85 2007-000477 R-CHIP:lMohm,S%,l/lOW R81 (ML-85G plus) 2007-000511 R-CHIP:2.4Kohm,5%,l/lOW R20,22,23,34,35,39-41,51-54 2007-000511 R-CHIP:2,4Kohm,5%,l/lOW R79,80 (FOR ML-85G plus) 2007-000572 R-CHIP:220ohm,5%,1/lOW R8,14 2007-000781 R-CHIP:33ohm,5%,l/lOW R3,9,12,46,55,62-71 2007-000931 R-CHIP:470ohm,5%,l/lOW Rl 2007-000964 R-CHIP:5.lKohm,5%,l/lOW L 120 14 R2,6,7,10,11,13,16,17,73-78 R82 (FOR ML-85G plus) R21,27-29,33 Lev 1 1 D e s c r i p t i o n / S p e c i f i c a t i o n 1 Unit 1 Q’ty 1 1 2203-000199 1 C-CERAMIC,CHIP:lOOnF 1 2203-000199 I C-CERAMIC,CHIP:lOOnF I EA 1 2203-000239 1 C-CERAMIC,CHIP:lOOpF,5% 1 1 EA / 2203-000260 I C-CERAMIC,CHIP:lOnF,lO% 1 1 EA I 2203-000455 I C-CERAMIC,CHIP:lnF,5% I EA II I SUB Code No. I EA 1251 Cl,3,12,BCl-20,BC22,23 I21 17 1 6 1 C26-33,35-38,43-47 C4,7,8,13-15 c18,20,21,34,39-42,8c21 C-CERAMIC,CHIP:22nF,5% EA 1 Cl1 2203-000953 C-CERAMIC,CHIP:470PF,5% EA 7 C5,6,19,22-25 2404-000151 C-TA,CHIP:luF,20%,16V EA 1 Cl0 (FOR ML-85G plus) 2404-000308 C-TA,CHIP:33uF,20%,lOV EA 3 CS,TCl,TC5 I FILTER-EM1 SMD:50V,300mA 2901-000235 FILTER-EM1 SMD:50V,300mA EA 2 Ll,4 911 700007BS REF-CHIP,0.5%,1/lOW:l5OV EA 4 R57-60 911 700007BS REF-CHIP,0.5%,1/10W:150V EA 1 R61 (FOR QwikLaser 85G) JC92-00370R PBA-CONTROLLER:ML-85G,NO 1 ML-85G, JC92-00357D PBA-CONTROLLER:QL-85G,EEPROM 1 QwikLaser 85G 1102-000235 IC-EPROM:27C256,32K*BBlT 1 U2B (QwikLaser 85G) 12804-000351 3301-000344 EEPROM EA EA I OSCILLATOR-CLOCK:30,075MHz 2 / 1 1 EA 1 1 CORE-FERRITE BEAD:ZZ EA 5 CONNECTOR-RIBBON:36P,FEMALE 6003-000127 SCREW-TAPTITE:BH,+,S,M3 EA 2 AUX JF68-30527H LABEL(R)-BARCODE EA 1 AUX JF68-30527J LABEL(R)-BARCODE EA 0.0001 120-l L2,3 osc2 BDl-5 I 1 I I I I I 2901-000229 EA/ I BC24,25 (FOR ML-85G plus) 2203-000609 1 I Locat ion No. ML-85G plus I I 10. Block Diagrams IO-1 Engine Board _._..~..._........._..................~...~...................~, E$ng i ne.m.mBoar d : ML&30 ,- --) HVPS (on board) - - LSU (CN3) - Solenoid Clutch (on board) - -Cleaning Board (CN7) -Fuser Control (on board) 3pen ch I CPU Shit MHz n ,* . . * . * ” * . X’TAL Alx 1 PWM ADC ,n I I: Exi t Sens Feed sens HVPS I III IITransfer(PWM.I) Transfer negative u3 KS88 C 4316 I-ACLEANING Board(CLN--ML) I A I DCU for 6 - “LET? 7k.J” -I . . - ~.......................... w Laser beam is shuttered mechanically - 1 Engine diagnosis L ------- 124 f PM Motor 1 7.5” b.Y44U i : b e a m 13. Schema 13-l Engine 13-1-2 Motor Drive Circuit 81 Sensors r 143 13-1-3 Interfaces and Quenching Lamp Circuit 144 13-1-5 HVPS Transfer Circuit Lh,. I 146 i-1-t 13-l -6 SMPS Circuit(220-240V) 13-1-7 NAPS Circuit(l1 O-1 2OV) 148