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MINOLTA-QMS 2060 Service Manual

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Summary of Contents for MINOLTA-QMS 2060

  • Page 3 S P - A 3 1 0 Service & Parts Manual September 1996 +-’ Revision C-02...
  • Page 5 WARNING LABELS...
  • Page 6 U.S.A. Only LASER SAFETY This LBP printer is certified as a Class 1 laser product under the U.S. Department of Health and Human Services (DHHS) Radiation Performance Standard according to the Food, Drug and Cosmetic Act of 1990. This means that the LBP printer does not produce hazardous laser radiation.
  • Page 7 “Disconnect the Telecom Network connection before disconnecting the Power connection prior to relocating the equipment, and reconnect the Poker first.” User Instruction (For all users) The outlet should be located near the printer and should be easily accessible..
  • Page 8 >,.-- )‘ 1 Please read the following for your own protection. A Caution Opening the cover indicated by the label below may expose you to Caution harmful laser radiation which could cause damage or loss of eyesight. Do Open the Cover when the power is on.
  • Page 9 3.BeforeinstallingumnectcrsonaP.WB..makesuretheprinterhasbeenunplugged. At Inspection 1. Avoid checking a P.WB. with testers; instead, use operating pa.tQ of the printer. mdicatrx ktrps, and other means to evaluate operational umditions. Be careful not to short-circuit IC terminals when using metal instruments or screws.

  • Page 10: Table Of Contents

    CONTENTS A: PRODUCT INSTALLATION 1. PRECAUITON FOR INSTALLATION ... l-l. Installation Site ... 1-2. Ekonmental Requirementi ... l-3. Power Rquirements ... 2. INSTALLATION ... 2-l. cannectioa ... 2-2. space Requirements ... B: GENERAL INFORMATION 1. SPECIFICATIONS ... 2. PARTS IDENTIFICATION ... 3.
  • Page 11 1. PRINTING PROCESS 2. PAPER FEfZDlNG ... C-2 2-1. Multi-purpose Tray ... c-2 2-2. second Cassette Tray ... c-3 3. IMAGING CARTRIDGE ... C4 4. CHARGING ... c-5 5. ExPosuRE cP/Hl ... c-5 6. DEVELOPMENT ... C-6 7.TRANsFER ... C-6 8.
  • Page 12 . 1. IMAGE REGISTRATION ...., ~,,...,“,...,... E -l 1. TROUBLE DETECTION ..F- 1 l-l. JAMDetection ... F-l 1-2. Fusing unit nlaanaion ... E2 l-3.W mahnction ...

  • Page 13: A: Product Installation

    A: PRODUCT INSTALLATION 1. PREC]AlJTION FOR NjlXlLATION ... l-l. Jnstallation Site ... l-2.lzLwirm td llequireme~ts ... l-3. Power Req uirements ... 2. INSTALLATION ... 2-1. Gmuection ... 2-2. space Requirements ... A- 1...

  • Page 14: Precauiton For Installation

    - Which is in the direct air stream of an air conditioner, heater, or ventilator. - Which Is near a IV set or radio. ( -.. .- . : . 1-2. Environmental Requirements In order to make sure the printer functions in good conditi~ please make sme the ambii enviraunent saiis6esthefollawingn4uirements: TemperahUt? Humidity Height l-3.

  • Page 15: Space Requirements

    2-2. Space Requirements Note: The htinimum Space requireme n$ for indhion of the printer are enclosed in a a easy operation, replacement of comma ble, and main- service jobs, provide the fotiowing space fa the installation of the printer. OSS~aO21 ‘.,,/...

  • Page 16: B: General Information

    c’ B: GENERAL INFORMATION 1. SPECIFICATIONS........................B-l 2.

  • Page 17: Specifications

    1. SPECIFICATIONS TYPe Printing systerri Exposure system Print density Print Image Printing time Multi printing time Paper size PaperExitsystem Wamwptime ..‘., Svstem speed /---- Fusing system. Charging system Development Drum deaning’ Separating system image Transfer system Dimensions Weight . . . Power supply CT:: .
  • Page 18 : Paper empty: 0 sheet System speed : 95.6 mm/ sec. Power supply : 5V - O.lA/ 24V - 0.3A maximum (Supplied from printer.) Dimensions :545mm(w)x377mm(D)x1O6mm(H) Weight : Approx. 5.4 kg (Third Cassette Unit 3.3 kg + 250 Sheet Cassette 2.1 kg) !--‘...

  • Page 19: Parts Identification

    2. PARTS IDENTIFICATION OSS3-bo21 OSS3-b024 1. Paper Feed Tray 2. Paper Exit Tray 3. Upper Unit Lock Release Lever 4. Duplex Unit (Option) 5. Duplex Lower Cover 6. Interface Connector 7. !33cod Cassette Unit 8. Third Cassette Unit (Option) 9. Imaging Cartridge 10.500 Sheet Letter Cassette (Option) 11.250 Shset oss34022...

  • Page 20: Component Layout

    3. COMPONENT LAYOUT 1. Print Head Unit 2. A3 Exit Tray (stored type) 3. Paper Exit Tray 4. Imaging Cartridge 5. Charge f3rush 6. Paper Exit Roller 7. Upper Fusing Roller 8. Paper Exit Sensor (PC3) 9. Lower Fusing Roller 10.

  • Page 21: Gears/ Rollers Assignment

    4. GEARS/ ROLLERS ASSIGNMENT The Main Motor (Ml) transmits the drive to the rollers of the printer and the optional 3rd Cassette Unit via each gear. The duplex unit Transport Motor (M5) fnnsmiti the drive to rollers aE the Duplex Unit.

  • Page 22: Electrical Component Layout

    5. ELECTRICAL COMPONENT LAYOUT (.-. PWB-A Main control Board 2nd Cassette Unit Board PWB-C PWB-E Power Unit High Voltage Unit PWB-F PWBG Toner Empty Board Resistor Board PWB-R Main Motor Fusing Fan Motor Power Fan Motor Paper Take-up Solenoid 2nd Papar Take-up Solenoid Registration Clutch Power Switch Interlock Switch...

  • Page 23: Connecrors Layout

    6. CONNECTORS LAYOUT ( I - / ’ PWEA Main Control Board 2nd Cassette Unit Board PWB-C Power Unit PWB-E PWB-F High Voltage Unit CN5A CN2F CNSE CN2B(PH) Transport Motor CNI B(PH) Switch back Motor CN12A cN3c CNl E CN3E CN8A CNI OA CNl OA...
  • Page 24 7. SWITCHES/ SENSORS IDENTIFICATION . . . * Printer, Duplex Unit. Interlock Switch Duplex Cover Switch (Option) Paper Take-up Sensor PNEl Paper Near-empty Se&&r PNE2-1 Sensor PNE2-2 Sensor Toner Empty Sensor Thermistor Thermostat Turns powex ON and OFF. Paper Size Switch Detects the paper exit ofFus&...
  • Page 25 8. ELECTRICAL SERVICE PARTS ON P.W. BOARDS mw y2op PWB-A j-7q7p1[2p1~1op1)2pll1Ip] PWB-F - 2P CN2 .PWB-E CNl rl F 2 VRlA CNlO V R 3 @ VR5 CNll CN5 m @ C N 4 :,...

  • Page 26: System Layout

    9. SYSTENl LAYOUT 9-1. Drive S&on : Mechanical Control and Sensor Layout Main Control Board (PWB-A) Registration Clutch a-1 1 Polygon Motor Switchback Motor I< . /Paper Take-up Sensor m! Transport Roller I ............- ..I ..Transfer Roller I\ Fusing Roller / Paper Exit Roller...
  • Page 27 9-2. Electrical Section : Power Supply and Signal Transmission ,...” ..“ . . ” ..” ....a ..OEM Setup Control Panel (7’.

  • Page 28: Sequence Flow

    IO. Sequence Flow . . . out printing cyclks, s&&Is are transferred between the Controller, main control and -d-+7 To can-y engine as shown below. Controller f!.z+cT ....- ........Command Processor Command Processor Image Processing...

  • Page 29: Circuitdiagram

    11. CIRCUIT DIAGRAM Imaging Carlr Parts lx4 Pq.w Exit Thumistor Ragiul~tbn CMCh ““‘FS PM-Q :NlF(CTI h4aln Motor tY.lbw yGrwn i Pal Photo serlwr CNSA(PH) 2nd Cas9etlo Unit Ul(CS) PWB-c 110, ‘; 2nd Papu Empty sotwar CN6A C N 0 “T :N12A stall/St0 CNlM...

  • Page 30: C: Mechanical/ Electrical

    C: MECHANICAL/ ELECTRICAL 1. PRINTING PROCESS ... 2. PAPER FEEDING ..I... 2-1. Multi-purpose Tray ... 2-2. Secmd Cassette Tray ... 3. IMAGING CARTRIDGE ... 4. CHARGlNG ... 5. ExEmmRE (p/-H) ... 6. DEVELOPMENT ... 7. TIUNSFER ... 8. FUSING ... 9.
  • Page 31 I. PRINTING PROCESS ,> : . . 9. Paper Exit/ Duplex : Sensor...

  • Page 32: Paper Feeding

    2. PAPER FEEDING - Paper is fed from either the multi-purpose tray (holding up to 150 sheets of paper) or the 2nd paper tray. commanlycalledtheuniversalcasse~fholdingupto25Osbeetsafpaper).~optianalThirdcassetteUnit may be installed to serve as a fixed cassette capable of holding 500 sheets of paper (1 a univenal cassette capable of holding 250 sheets of paper.) -ThePapatake-uprolltakesupasheetafpaperandthe~~rollerfeedsittothePC~.

  • Page 33: Second Cassette Tray

    Second Cassette Tray 2-2. - The drive for the secmd paper tray is transmitted from the printer to the intermediary gear. paper take-up Clut4 paper take-up roll, and the tmqxxt rollex. - The secad paper tray is cmtrolled by the main control board @WB-A) via the control board (FWB-C).

  • Page 34: Imaging Cartridge

    3. IMAGING CARTRIDGE - The illustration below shows the c&&ction of the PC drum charge unit and developing tit Charse Brush Cleaning Blade . < Agitator Blade Pa& Fuse S&eve Roller Toner Hopper Toner Jeed Roller Cleaner Mirror/ window...

  • Page 35: Charging

    4. CHARGING - A rotary brush is used to charge tbe PC Drum by static electricity More laser exposure. It applies &arg(’ directly to the PC Drum at a low voltage and tkrefore the Bmouat of ozone produced is only negligiile. Charge Brush Charge bias Laser...

  • Page 36: Development

    6. DEVELOPMENT - The developiug unit feeds tauz to the electrostatic latent image on the surface of the visible toner image. -WbentbeprintcycleisstartedandtheMaindrivemotor(Ml)isenergized.theslafacepotentialafthePCdrum is approx. OV. The sleeve roller voltage is made positive to prevent @leI fram stiCkiUg to the OV alEaS. -~LEDonPWB-Gemitslightwhichisthen~fl~tedoffthemirroainsidethetonerhopperforuseinthe detection of a tfmer-empty ccndilion.

  • Page 37: Fusing

    8. FUSING -Thefusingunitpennanen upper fusing roller, which is heated by a fusingrolkspressthemeltitcmerintothepaper. - The thermistor ml) detects the temperature of the upper fusing rok for fusing tcmpemture controL - Ibe thermostat (IX) turns OFF as it senses an abnamally high temperatunz. these&y cutting oEcmnnt to the Heater Lamp 021).

  • Page 38: Paper Exit/ Duplex

    9-2. Duplex (Option) - When the duplex unit is mounted on the printer, t&e exit roller is co-ted to the switchback motor (MC) by way of the coupling lever and gear. 1. When the printing cycle is completed for l-sided printing, the paper, moving past the exit sensor, is fed out of the printer by the exit roller.

  • Page 39: Printing Sequence

    IO. PRINTING SEQUENCE 1 O-1. Starting sequecznt _ ..Polygon Motor (tvl2) -7 * Take-up Solenoid (SLl/SU) Paper Take-up Sensor(PC1) 1 O-2. Multiple sequence 10-3. Ending sequence vExit Sensor OFF hd3 Continuous 9 10000 VPtint Print ends v d .’...
  • Page 40 1 O-4. Duplex sequence 10-5. Power ON sequence (Trouble Check) vPower ON R ist.!Sensor (hl, Pc4) Note: Error check sequen& C-l 0...

  • Page 41: D: Disassembly/ Cleaning

    :’ 1.. . D: DISASSEMBLY/ CLEANING 1. htAIMENANQE/ llWTXITON l-l. ReplAlcemeIlt of Parts... Dl L.2’ 1-2. Cleaning Parts ... Dl 1-3. Requkd Service Tools ... D-l 2. DISASSEMBLY PROCEDURE ... D2 2-l. Outer cover ... D-2 2.2. Fusiug unit ..I ... D -2 2-3.

  • Page 42: Maintenance/ Inspection

    1. MAINTENANCE/ INSPECTION Replacement of Parts l-l. Parts Name Imaging Cartridge Paper Take-up Roll Fusing Unit Image Transfer Unit 1-2. Cleaning Parts . . . c Parts Name Paper Take-up Roll Fusing Roller Image Transfer Roller Note: Do not touch the surface of the Image Transfer Roller with the hand. l-3.

  • Page 43: Outer Cover

    2. DISASSEMBLY PROCEDURE F--x”. Before king the disassembly p~ccedure. press the upper kit lock release button to open the Upper Unit. 6. ranove the Imaging Cartridge. 2-1. Outer Cover ‘I .: : 2-2. Fusing Unit 1. Remove the Left Cover. (2 screws) Upper Unit Lock Release Button 2.
  • Page 44 : Heater Lamp Cover Left Heater Lamp Cover . . : Riiht Heater Lamp Cover : Heater Lamp (. ‘.. 3. Remove the Left Heater Lamp Cover. (1 screw) Note: When removing the Left Heater Lamp Cover, turn the Cover in the clockwise direction.

  • Page 45: Paper Exit Sensor

    ‘. : Paper Exit Sensor 1. Remove tbei Paper Exit Sensor. (1 connector) 2. Remove tlie achmtor. (1 spring) : Lower Fusing Roller 1. F&move the Rear Fusing Cover. (2 scows) 2.PushtheAodrstopperinthedirectionindiuttedby the arrow and remove the Lower Fusing Roller. 09S34026 1.
  • Page 46 : Thermistor : Thermostat : Upper Fusing Roller, Gear, G-ring, E-ring 1. Remove the front Fusing Cover. (2 screws, 1 harness) Remove the Thermistor. (1 screw) 1. Remove the IYbe.rmostat. (2 saws) 09934272 1. Remove the G-ring. Remove the Gear, Ring. Bushing. Remove the Upper Fusing Roller as indicated by the arrow.

  • Page 47: Image Traasfer Unit

    Note: When disassembling/ reassembling the Transfer Unit, High Voltage Unit, Registration \ .:. Roller Assy. and Paper Take-up Roller Unit, please note that each has a peg that fits into a hole in the Right Frame and a screw that secures the unit in the Left Frame. Release each unit from the Drive Unit when removing the unit.

  • Page 48: Power Unit

    2-5. Power Unit 2-6. Print Head Unit 1. Remove the Outer Cover. (Refer to sect. 2-l) 2. Remove the Power Unit. (6 screws, 5 CoMectors) 0993dOS12 1. Remove the Outer Cover. (Refer to sect. 2- 1) 2. Remove the Harness Cover. (2 screws) Note: Pulling the harness cover to the right, remove it.

  • Page 49: Paper Empty Sensor Assy

    2-7) 6. Remove the Paper Lifting Plate. (1 screws) 0993dO822 Note: Move the printer Left Frame in the direction of the arrow to unlock the p&e from the frame. Rmove the Paper T&e-up Roller Unit. (1 screw) Note: Side the unit in the direction of the arrow to unlock it from the tight drive unit of the printer.

  • Page 50: Drive Unit

    2-10. Drive Unit 2-l 1. Duplex Unit 8. Remove the Registration Roller Assy. (3 099311102 1. Remove the Outer Cover. (R&s to sect. 2-l) 2. Remove the Pusing Unit (Refer to sect 2-2) 3. Remove the Transfer Unit (R&x to sect 2-3) 4.

  • Page 51: E: Adjustment

    E: ADJUSTMENT 1. IMAGE REGISTRATION ..............; E - 1...

  • Page 53: Image Registration

    1. IMAGE REGISTRATION : After the Main ControlBoard (PWB-A) ~replaced. adjust the gap by fouo*g the pr- hbd below. 1. Remove the Light Fret Cover. @efex to the Dz Paper Reading Edge Disassembly/ Clean@ item 2-l) Registration position Gapd PWB-A 3.

  • Page 54: F: Troubleshooting

    F: TROUBLESHOOTING 1.TROUBLEDEIECI’JON ... l-l. JAMDetection ... 1-2. Fusing unit malfuncrion ... 1-3. Laser malflmcti0r.l ..eT ... 1-Q. Folygon Motor ma&n&on ... l-5. Fan M&r malfunction ... l-6. Main Motor malfunction ..F-2 2. ACTION FOR DElTCTED JAM OR MAJXUNCI’ION ... F-3 2-1.

  • Page 55: L-L. Jamdetection

    1. JAM DETECTION Note: This printer detects the following misfeeds and malfunctions. When any of these trouble conditions is detected, all printer elements are brought to a stop except the fan motor. l-l. JAM Detection A misfeed may be cla&ied into one of four categories, JAMl. JAM2. JAM3, and JAM4, as detailed below.

  • Page 56: Laser Malfunction

    170/150 mV or less (= high speed/low speed) for a cc&mous 0.43 sec. period. l-6. Main Motor malfunction The printer considers that there is a main drive motor malfunction when any of the following two conditions is detected. 1. The main drive motor lock signal (co~tor CNSA-1) remains OFF for a continuous 1.0 sec. period., 2.Themaindrivemotilccksignal(connec tor CN5A-1) is OFF 1.0 sec.
  • Page 58 2-3. JAM3 - Exit Sensar(pc3). 2-4. JAM4 1 Istbmepaperatthe 1 Duplex Paper sensar *. - l . DocsthePaper Exit Roller rotate L b&ward? Does the Switchback Motor (M6) rotate? Replace the Paper (Fusing Unit) Istherepaperatthe Registration sensor (Pm)3 Replace the Transport N* - MO~W).

  • Page 59: Fan Motor Malfunction

    ‘. 2-5. Fusing Unit malfunction 7,; ,: DWtlEHeaterLiXIIp lightupwhexlthepower iStllUEdON7 Replace the l-&at63 Lamp 2-6. Laser malfunction (Refer to section 2-7. Polygon Motor malfunction) 2-7. Polygon Motor malfunction -.d’ 2-8. Fan Motor malfunction Replace the Power Fan Motor ‘2-9. Main Motor malfunction !ikcurely plug in umnectiCNSA Replace thei...

  • Page 60: Nopower

    Power switch is turned ON. 3-2. Skew Papxisfedfiomtk Multi-purpose tray? Ye-S Securely plug in the 4 power cord to the printer. Replace the Fuse (Fl). Paper is fed from + the2ndCassetteor - 3rd Cassette7 Make sure the separators are cmrectly positioned over the paper in the cassette.

  • Page 62: Offset Image

    Symptom No Image (BlanW Black) Offset Image .‘; CauG High developing bias Replace the High Voltage unit (PWB-E). Replace the Imaging Cartridge. Low developing bias Improper transfer Clean the Transfer unit (3~ the Fusing unit. Improper transport WipethedustoEoftheFusingRollex. Action Replace the High Voltage unit (PWB-E). Change the Imging Cartridge.
  • Page 63 0993-a021 toTMa micro@ac3008 ,/’ _A _. r Newsprint 2.5 Rev B (J 2.5 Rev B) “P ~ _I. Openwin library 3 .A’ /' , ' . ,’ NeWSprint interpreter 210.0 Tue Am-16 14:02:02 1996 /’ Page 1 of 1 Print Messages , ..* /’...
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