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Digital Equipment COLORWRITER LSR 2000 Service Manual

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C O L O R W R I T E R L S R 2 0 0 0
P R I N T E R
S E R V I C E G U I D E
Part Number EK-LSRCW-SV.A01
Digital Equipment Corporation
Maynard, Massachusetts
This document was created with FrameMaker 4.0.4

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  • Page 1 C O L O R W R I T E R L S R 2 0 0 0 P R I N T E R S E R V I C E G U I D E Part Number EK-LSRCW-SV.A01 Digital Equipment Corporation Maynard, Massachusetts This document was created with FrameMaker 4.0.4...
  • Page 3 Electronics for Imaging Software License Agreement Electronics for Imaging, Inc. grants to you a non-exclusive, non-transferable license to use the software and accompanying documentation (“Software”) included with the Colorwriter LSR 2000 Color printer you have purchased, including without limitation ®...
  • Page 4 (“Trademarks”); and d. assign your rights under this Agreement to a transferee of all of your right, title and interest in and to Colorwriter LSR 2000 provided the transferee agrees to be bound by all of the terms and conditions of this Agreement.
  • Page 5 Modifications: The FCC requires the user to be notified that any changes or modifications made to this device that are not expressly approved by Digital Equipment Corporation may void the user’s authority to operate the equipment. Cables: Connections to this device must be shielded cables with metallic RFI/EMI connector hoods in order to maintain compliance with FCC Rules and Regulations.
  • Page 6 LNC01 (color) LNC01 (b&w) (1 B = 10 dBA) Aktuelle Werte für spezielle Ausrüstungsstufen sind über die Digital Equipment Vertretungen erhältlich. Class 1 Laser Product (100-120V/220-240V models) Laser radiation could be hazardous to the human body. For this reason, laser radiation emitted inside this printer is hermetically sealed within the protective housing and external cover.

  • Page 7: Table Of Contents

    Contents Preface About the illustrations in this guide xiii Terminology and conventions Important safety information Handling the printer Choosing a location for the Colorwriter Unpacking and setting up the Colorwriter Operating the Colorwriter xvii Network precautions xviii Protecting the LCD display xviii Ozone emission xviii...
  • Page 8 Table of Contents Image formation system 3-25 Image formation configuration 3-28 Print process 3-32 High-voltage control 3-45 Photosensitive drum life detection 3-54 Developing unit control 3-58 Image quality stability control 3-69 Pick-up/Feed System 3-74 Paper pick-up 3-76 Transfer drum and peripheral components 3-86 Fixing and delivery unit 3-95...
  • Page 9 Table of Contents Drive System 5-25 Fixing unit motor 5-25 Developing unit motor 5-26 Drum motor 5-27 Drive unit 5-28 Rotary manual unit 5-30 Transfer drum cleaner press drive unit 5-32 Discharge roller press drive unit 5-33 Drum press drive unit 5-34 Attraction roller press drive unit 5-35...
  • Page 10 Table of Contents Electrical components 5-119 Video controller PCB 5-119 DC controller PCB 5-127 Mechanical controller PCB 5-131 Pick-up PCB 5-132 Terminal PCB 5-133 Cassette-size sensing PCB 5-134 Waste Toner Sensor PCB 5-137 Toner-low detect beam PCB 5-139 Toner-low Detect Receive PCB 5-139 Power Supply 5-140...
  • Page 11 Table of Contents Locations/roles of electrical parts 6-66 Switches 6-66 Sensors 6-68 Clutches/Solenoids 6-71 Motors 6-73 PCBs 6-75 Connectors 6-77 Variable Resistors (VR), LEDs, Test Pins, Jumpers, and Switches on PCB 6-80 DC controller PCB 6-80 Video controller PCB 6-81 Mechanical controller PCB 6-82 High-voltage power supply PCB...
  • Page 12 Table of Contents Safety approvals A-10 AC input power specifications: LNC01-A2 A-11 AC input power specifications: LNC01-A3 A-12 Remote utility software A-14 Maintenance by serviceperson A-14 Appendix B: Maintenance Requirements Service maintenance 60K service maintenance Service checkpoints Customer maintenance/checks Metrics B-12 Usage model B-12...
  • Page 13 Preface The Colorwriter LSR 2000 Printer Service Guide is intended for certified printer technicians installing or servicing a Colorwriter LSR 2000. If you have not received installation and service certification, you should not attempt to service the Colorwriter. This guide is divided into the following sections: •...

  • Page 14: Terminology And Conventions

    Colorwriter LSR 2000 Printer Preface Service Guide Terminology and conventions The term network administrator refers to the person responsible for maintaining the network at the customer site. The term display window refers to the LCD (liquid crystal display) in the Colorwriter printer control panel.

  • Page 15: Handling The Printer

    Colorwriter LSR 2000 Printer Preface Service Guide Handling the printer Do not place this printer on an unstable cart, stand, or table. The printer alone weighs approximately 110 lb (50 kg). It should always be moved by two or more people. Do not attempt to move it by yourself.
  • Page 16 Colorwriter LSR 2000 Printer Preface Service Guide Unpacking and setting up the Colorwriter • Report any shipping damage. If there is any evidence of shipping or handling damage to the Colorwriter packing boxes or their contents, save the damaged boxes and parts, call the shipper immediately to file a claim, and notify your authorized...
  • Page 17 Colorwriter LSR 2000 Printer Preface Service Guide • Be sure to turn off the power before unplugging or plugging in the printer power cord or interface cable. • Be sure to use a surge suppressor on the Colorwriter. Operating the Colorwriter •...

  • Page 18: Ozone Emission

    Colorwriter LSR 2000 Printer Preface Service Guide • Any misuse of electrical equipment is hazardous. Do not allow children to handle power cords or cables. • Avoid operating the printer when the waste toner bottle and/or silicone oil bottle is not installed; otherwise the printer may be damaged.

  • Page 19: Laser Safety

    Colorwriter LSR 2000 Printer Preface Service Guide electrophotographic process. Ozone is discharged only while the printer is printing, and is emitted through the exhaust port on the rear, left side of the printer. Those who are particularly sensitive to ozone odor may rarely feel sick if exposed to it excessively.

  • Page 20: Toner Safety

    Colorwriter LSR 2000 Printer Preface Service Guide Toner safety Toner is a harmless substance. If you get toner on your skin or clothes, remove as much as possible with a dry tissue and then wash it with cold water. Do not use hot water; the toner may gel and become hard to remove.
  • Page 21 Chapter 1: Introduction The Colorwriter LSR 2000 printer is a full-color laser beam printer based on the standard CMYK (cyan, magenta, yellow, and black) color model. The Colorwriter has the following features: • Toner cartridges separate from photosensitive drum The four color toner cartridges (cyan, magenta, yellow, and black) are installed separately from the photosensitive drum.

  • Page 22: How The Colorwriter Operates

    Colorwriter LSR 2000 Printer 1: Introduction Service Guide ® The Colorwriter enables users of Macintosh computers, PC- compatibles, and UNIX workstations to: ® ® • Send images over AppleTalk , TCP/IP, Novell networks, and ® through a parallel (Centronics ) port to print to the Colorwriter.
  • Page 23 Colorwriter LSR 2000 Printer 1: Introduction Service Guide the transfer drum. These steps are taken for each color. The paper is rotated on the transfer drum until the color transfer process is completed. The paper is then separated from the transfer drum and delivered to the fixing unit.
  • Page 24 Colorwriter LSR 2000 Printer 1: Introduction Service Guide To external device (computer, etc.) OVERALL CONTROL SYSTEM Video controller PCB Terminal PCB DC controller PCB Mechanical controller PCB LASER/SCANNER SYSTEM PAPER PICK-UP/FEED SYSTEM Scanner motor Face-down tray Beam Laser position detector...

  • Page 25: Parts Of The Printer

    Colorwriter LSR 2000 Printer 1: Introduction Service Guide Parts of the printer 1—Oil bottle 9—Paper feeder (right door) 2—Upper cover 10—Pick-up cover 3—Release knob 11—Power switch 4—Fixing unit cover 12—Paper feeder 5—Face-up tray 13—Paper capacity indicator 6—Power cable 14—Cassette 7—Power receptacle 15—Front door...
  • Page 26 Colorwriter LSR 2000 Printer 1: Introduction Service Guide 1—Developing rotary unit 9—Separation charging unit 18—Manual feeding pick-up roller 2—Toner cartridge 10—Separation claw 19—Separation pad 3—Laser/scanner unit 11—Oil applying roller 20—Cleaning brush 4—Photosensitive drum 12—Cleaning belt 21—Cassette pick-up roller 5—Primary charging roller 13—Face-down delivery roller...

  • Page 27: Print Options

    Colorwriter LSR 2000 Printer 1: Introduction Service Guide Print options The Colorwriter’s efficient PostScript capabilities allow customers to use a variety of applications to create printed pages with text, images, or a combination of text and images, and print them in Contone or Halftone mode.
  • Page 28 Colorwriter LSR 2000 Printer 1: Introduction Service Guide • Printer description files that allow remote users to access PostScript Level 2 features when printing. • Printer drivers for Macintosh and Windows that allow applications to communicate with the Colorwriter and use all the PostScript Level 2 printing features of the Colorwriter.

  • Page 29: Using The Density Control Panel

    Chapter 2: Using the Control Panels The Colorwriter has two control panels: the density control panel and the printer control panel. The density control panel on the back of the printer can be used to change color density settings, change test pattern pages, adjust separation voltage control designation, and to adjust edge registration.

  • Page 30: Density Adjustment

    Colorwriter LSR 2000 Printer 2: Using the Control Panels Service Guide • —Prints one of the available test patterns (solid color, TEST PRINT solid white, gradation, horizontal lines, vertical lines, or grid) and allows you to check the results of a density change.

  • Page 31: Test Patterns

    Colorwriter LSR 2000 Printer 2: Using the Control Panels Service Guide 2. Press the + or - key to change the density. When you change the density from the current setting, the density gauge LED flashes. 3. Press the ENTER key to save the new density setting.
  • Page 32 Colorwriter LSR 2000 Printer 2: Using the Control Panels Service Guide To change the test pattern 1. Press the ENTER key eight times while holding down the COLOR SELECT key. All color indicator LEDs will flash to indicate the shift to the test pattern setting mode (see Figure 2-3 below).

  • Page 33: Separation Voltage Control Designation

    Colorwriter LSR 2000 Printer 2: Using the Control Panels Service Guide Separation voltage control designation To change the voltage control designation 1. While holding down the COLOR SELECT key, press the ENTER key three times. color indicator LEDs flash to indicate that separation voltage control designation mode has been entered (see Figure 2-5 below).

  • Page 34: Edge Registration

    Colorwriter LSR 2000 Printer 2: Using the Control Panels Service Guide Edge registration You can use the density control panel to change the manual feeding tray edge registration, cassette edge registration and the leading edge registration. To adjust edge registration 1.

  • Page 35: Using The Printer Control Panel

    Colorwriter LSR 2000 Printer 2: Using the Control Panels Service Guide • — For cassette and manual feeding tray side registration adjustment pressing the + or - key adjusts the edge registration value by 0.425mm. 5. Press the ENTER key for each adjustment option to save changes.

  • Page 36: Activity Lights

    Colorwriter LSR 2000 Printer 2: Using the Control Panels Service Guide Activity lights The activity lights indicate printer status. They have the following meanings: Lit when the printer is ready to accept and process new jobs. Off when the printer is on and there is no activity. Flashes when the printer is receiving data, processing, or printing.

  • Page 37: Error Messages

    Colorwriter LSR 2000 Printer 2: Using the Control Panels Service Guide Takes you to another entry in the list. In a fixed-length list, takes you to the previous item in the list. When entering text, decrements to the previous character in the alphabet. Hold down the button to decrement rapidly.

  • Page 38: Menu Options

    Colorwriter LSR 2000 Printer 2: Using the Control Panels Service Guide Menu options You can press the Menu button to display a list of special pages to print to the printer. Use the Scroll Up and Down arrows to select the page you want to print, and then press the Enter button.
  • Page 39 Chapter 3: Operation This chapter describes how the printer operates. Printer operation can be divided into the following four systems: • Overall control • The image formation • The laser/scanner • Paper pick-up/feed The following conventions are used throughout this chapter: •...
  • Page 40 Colorwriter LSR 2000 Printer 3: Operation Service Guide To external device (computer, etc.) OVERALL CONTROL SYSTEM Video controller PCB Terminal PCB DC controller PCB Mechanical controller PCB LASER/SCANNER SYSTEM PAPER PICK-UP/FEED SYSTEM Scanner motor Face-down tray Beam Laser position detector...

  • Page 41: Overall Control System

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Overall control system The operation sequence for the Colorwriter is controlled by the video controller PCB, terminal PCB, DC controller PCB and the mechanical controller PCB. When the printer is turned on and enters the STANDBY state, the microcomputer on the DC controller sends signals to drive the laser diode, fixing heaters, and...
  • Page 42 Colorwriter LSR 2000 Printer 3: Operation Service Guide Figure 3-2 DC and mechanical controller PCB functional diagram...

  • Page 43: Main Pcbs

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Main PCBs This section describes the functions of the DC controller PCB and the mechanical controller PCB. DC controller PCB When the PRINT signal is received from the video controller, the DC controller sends the print sequence command to the mechanical controller, which then starts controlling the various loads.
  • Page 44 Colorwriter LSR 2000 Printer 3: Operation Service Guide page 3-45), and the paper feeder driver PCB (see “Paper feeder” on page 3-124) • Toner stirring function, toner-low detection, and toner cartridge detection (see “Toner cartridge” on page 3-29) • Photosensitive drum life detection (see “Photosensitive drum life detection”...
  • Page 45 Colorwriter LSR 2000 Printer 3: Operation Service Guide DC controller PCB Laser/scanner unit J111-23 "L" when video data is able to be written. /VDOENB Laser "L" to switch ON the laser diode forcibly. /LSON control Reset signal Clock signal SCK1...
  • Page 46 Colorwriter LSR 2000 Printer 3: Operation Service Guide DC controller PCB Power supply Power switch J101-6 POFF "L" when the power switch is ON. Door Power supply control IC PCONT "L" to turn ON the printer. switch "H" when the front door, pick-up door, DOPN or fixing unit door is open.
  • Page 47 Colorwriter LSR 2000 Printer 3: Operation Service Guide Mechanical DC controller PCB controller PCB J73-1 J2005-5 J2007-6 J112-6 HUMIDITY SENSOR signal HUMSNS Temperature /humidity sensor TMPSNS TEMPERATURE SENSOR signal -3,-5 -1,-3 -8,-10 -8,-10 +24V J103-14 DSNS DENSITY SENSOR signal /DSEL "H"...
  • Page 48 Colorwriter LSR 2000 Printer 3: Operation Service Guide Mechanical controller PCB High-voltage power Serial communication supply PCB Pick-up PCB Serial communication Developing rotary unit J2036-4 Developing "H" when a flag is detected. rotary position DEVHP See P. 2-53 and P. 2-54.
  • Page 49 Colorwriter LSR 2000 Printer 3: Operation Service Guide controller Transfer drum unit Mechanical controller PCB J2007 J105 J112 Attraction "H" when print paper is rolled around ATTSNS sensor the transfer drum. "L" switched to "H" when the transfer drum Transfer drum TOPREG reaches the registration position.

  • Page 50: Drive System

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Drive system The Colorwriter has six motors: the pick-up motor, fixing unit motor, drum motor, developing unit motor, cleaning brush motor, and scanner motor. Pick-up motor The pick-up motor is a two-phase stepping motor located in the pick-up unit.

  • Page 51: Developing Unit Motor

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Drum motor The drum motor is a two-phase stepping motor. It is controlled by the drum motor driver on the mechanical controller PCB. The drum motor is used to operate the photosensitive drum and the transfer drum.

  • Page 52: Basic Sequence Of Operation

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Basic sequence of operation Table 3-1 Printer sequence Period Purpose Remarks INITIALIZATION From power-ON until the If a development WAIT period motor, transfer drum • Run video controller diagnostics brush motor, or •...
  • Page 53 Colorwriter LSR 2000 Printer 3: Operation Service Guide Table 3-1 Printer sequence Period Purpose Remarks INTR (INITIAL After the /PRNT signal has To stabilize the sensitivity of the When the scanner ROTATIONS been input from the video photosensitive drum in preparation for...

  • Page 54: Laser/Scanner System

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Laser/scanner system External device Video controller PCB /LSYNC /TOP /VDO0-/VDO7 /IMCHR /PRNT LLCNT DC controller PCB /BDI PDIN M1-M8 Dv2-Dv9 /VDOENB /LSON /SCNON PWM-IC Scanner motor Cylindrical Collimator lens Scanning mirror Laser driver...

  • Page 55: Video Data Processing

    Colorwriter LSR 2000 Printer 3: Operation Service Guide When the scanning mirror rotates at a constant speed, the laser beam scans at an even speed across the photosensitive drum. A latent image is formed on the photosensitive drum as it also is rotating at a steady speed.
  • Page 56 Colorwriter LSR 2000 Printer 3: Operation Service Guide DC controller PCB Laser driver PCB IC109 IC403 Dv2 to 9 Image masking PWM-IC IC111 /VDO 0 to 7 M 1 to 8 Line memory /IMCHR Halftone correction Laser drive signal Laser...

  • Page 57: Laser Control Circuit

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Laser control circuit DC controller PCB /BDI BD PCB /TOP Laser driver PCB /LSYNC PWM IC Dv2 to 9 /VDO7 to 0 G.A. M1 to 8 (IC403) (IC109) /IMCHR Laser drive signal...
  • Page 58 Colorwriter LSR 2000 Printer 3: Operation Service Guide signal (/VDOENB) is “L,” the laser driver PCB turns the laser diode ON in accordance with the laser drive signal. The APC-IC monitors the voltage levels of the 5V and 24V Note: power supplies.
  • Page 59 Colorwriter LSR 2000 Printer 3: Operation Service Guide • The CPU sets the /LSON signal to “H” to complete the initial APC and then proceeds to the between-pages APC. Between-pages APC Immediately after the initial APC, this printer performs the between-pages APC for pages and colors.
  • Page 60 Colorwriter LSR 2000 Printer 3: Operation Service Guide /LSYNC Left/right margin masking signal 2 mm 2 mm Figure 3-11 Image masking • The shaded area is where the laser beam is permitted to write. • Times T1 and T2 vary depending on the paper size.

  • Page 61: Scanner System

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Scanner system Scanner unit Scanning /SCNRDY mirror Motor /SCNON Scanner controller driver /SCNCLK Figure 3-12 Scanner system The scanning mirror is a crucial part of the scanner unit. It is mounted on the scanner motor shaft and rotates with the scanner motor.
  • Page 62 Colorwriter LSR 2000 Printer 3: Operation Service Guide Scanner DC controller PCB driver +24V X103 J102-10 J102-11 SCNCLK J102-6 /SCNON J102-8 Gate array J108-29 /PRNT (IC109) (IC101) /SCNRDY J102-9 J102-5 J102-7 Figure 3-13 Scanner motor control circuit When the scanner motor reaches the specified speed, the scanner motor ready signal (/SCNRDY) becomes “L.”...

  • Page 63: Image Formation System

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Image formation system The nucleus of the printer, the image formation system is comprised of the photosensitive drum, transfer drum, developing unit, primary charging roller and other components. Photosensitive drum Primary charging roller...
  • Page 64 Colorwriter LSR 2000 Printer 3: Operation Service Guide four-color transfer process has been completed. The paper is then separated from the transfer drum and delivered to the fixing unit. The surface of the photosensitive drum is cleaned with a cleaner blade.
  • Page 65 Colorwriter LSR 2000 Printer 3: Operation Service Guide Toner cartridge Photosensitive drum Separation claw Magenta Black Transfer Cleaning 1st color drum brush Yellow Discharge roller Cyan Paper Attraction roller Cyan Magenta 2nd color Black Yellow Yellow Cyan 3rd color Magenta...

  • Page 66: Image Formation Configuration

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Image formation configuration This section shows the configuration of the major components of the image formation system. Drum cartridge The drum cartridge is comprised of the primary charging roller, photosensitive drum, and cleaner unit.
  • Page 67 Colorwriter LSR 2000 Printer 3: Operation Service Guide Toner cartridge As shown in Figure 3-17 on page 3-29, the toner cartridge includes a developing cylinder, a rubber blade, toner container, toner feed roller, and stirring plate. Toner container Blade Developing cylinder...
  • Page 68 Colorwriter LSR 2000 Printer 3: Operation Service Guide Toner container Toner Stirring plate Figure 3-18 Toner stirring plate Toner-low detection/toner cartridge installation detection The toner cartridge has toner cartridge installation and toner-low detecting functions. Light emitted from the LED of the toner...
  • Page 69 Colorwriter LSR 2000 Printer 3: Operation Service Guide TONER SENSOR (PS11) Photodiode Window Toner Stirring plate Window Toner sensor (PS11) Normal Toner-low Figure 3-19 Toner sensors detecting low toner PS11 also detects that the toner cartridge is installed. When the...

  • Page 70: Print Process

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Print process The print process is divided into the six blocks shown below. Paper delivery Electrostatic latent image formation block 1.Primary charging 10. Drum cleaning 2. Scanning exposure Photosensitive drum cleaning block Developing block 3.

  • Page 71: Electrostatic Latent Image Formation Block

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Electrostatic latent image formation block This block is comprised of two step which form electrostatic latent images on the photosensitive drum: primary charging and laser beam exposure. Upon completion of the last step in this block, a negative charge remains on the dark area of the drum surface where the laser beam has not irradiated.

  • Page 72: Developing Block

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Primary charging roller Photosensitive drum AC bias DC bias Figure 3-23 Primary charging Step 2: Laser beam exposure When the laser beam is scanned across the photosensitive drum surface, the charge in the light area is neutralized and becomes an electrostatic latent image.
  • Page 73 Colorwriter LSR 2000 Printer 3: Operation Service Guide Step 3: Developing The toner (developer) used by the Colorwriter is a single- component non-magnetic toner composed of resin. This toner is unique for its insulating property, and is charged with negative potential by friction between the rotating cylinder and the blade surface.
  • Page 74 Colorwriter LSR 2000 Printer 3: Operation Service Guide Blade Photosensitive drum AC bias DC bias Stirring plate Developing cylinder Toner feed roller Figure 3-25 Light area of photosensitive drum Transfer block This block is designed to map the toner image on the photosensitive drum onto the paper.
  • Page 75 Colorwriter LSR 2000 Printer 3: Operation Service Guide Transfer drum Transfer sheet Paper Gripper Figure 3-26 Paper held by gripper Step 5: Attraction The attraction roller imparts negative charges onto the paper and helps retain the paper on the transfer drum surface by means of an electrostatic force.
  • Page 76 Colorwriter LSR 2000 Printer 3: Operation Service Guide Transfer sheet Transfer drum Transfer drum DC bias DC bias Attraction roller Paper Figure 3-27 Attraction roller charge Step 6: Transfer The paper attracted to the transfer drum is transported in correspondence with its rotation. At this time, positive charges are applied to the reverse side of the transfer sheet to transfer the toner on the photosensitive drum over to the paper.
  • Page 77 Colorwriter LSR 2000 Printer 3: Operation Service Guide Toner Gripper Photosensitive drum Transfer sheet Elastic sponge layer Aluminum layer Transfer drum Paper DC bias Figure 3-28 Transfer process Step 7: Separation Paper is separated from the transfer drum by the gripper and separation claw.
  • Page 78 Colorwriter LSR 2000 Printer 3: Operation Service Guide Paper Gripper Separation charging unit Transfer sheet AC bias Transfer drum DC bias Paper Separation claw Transfer drum Figure 3-29 Paper separation process Transfer drum cleaning/discharge block In the event of a paper jam, or if the image on the photosensitive drum has not been completely transferred onto the paper, or if image quality stability control (see “Environment-change correction...
  • Page 79 Colorwriter LSR 2000 Printer 3: Operation Service Guide Step 8: Transfer drum cleaning The cleaning brush is used to scrape the remaining toner off the transfer drum surface and clean the drum following the prescribed number of prints. The scraped toner is collected in the filter of the transfer drum cleaner.
  • Page 80 Colorwriter LSR 2000 Printer 3: Operation Service Guide Transfer drum Discharge roller AC bias Figure 3-31 Discharge roller Photosensitive drum cleaning block During the transfer step, some of the toner that was not transferred onto the paper remains on the photosensitive drum. The...
  • Page 81 Colorwriter LSR 2000 Printer 3: Operation Service Guide Cleaning blade Waste toner transport screw Toner transport plate Primary charging roller Waste toner transport screw Photosensitive drum Photosensitive drum Sweeper strip Waste toner bottle Figure 3-32 Photosensitive drum cleaning The waste toner level is detected by the waste toner sensor (PS12) housed in the photosensitive drum door.
  • Page 82 Colorwriter LSR 2000 Printer 3: Operation Service Guide Waste toner sensor (PS12) PS12 Photodiode Waste toner bottle Toner Waste toner is full. Normal Figure 3-33 Waste toner collection Fixing block In the transfer block, the toner image transferred onto the paper barely adheres to it by means of static electricity, and is susceptible to distortion when touched by hand.

  • Page 83: High-Voltage Control

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Cleaning belt Toner Heater Upper roller Paper Lower roller DC bias Figure 3-34 Fixing unit This printer has a fixing unit installation detection function. When the presence of a fixing unit is not detected, the DC controller notifies the video controller.
  • Page 84 Colorwriter LSR 2000 Printer 3: Operation Service Guide Fixing upper Primary roller charging Developing Separation roller cylinder charging unit Transfer drum Discharge roller Attraction roller High-voltage power supply Separation Attraction voltage AC voltage HVT PCB AC bias generation circuit generation circuit...
  • Page 85 Colorwriter LSR 2000 Printer 3: Operation Service Guide Generation of voltage applied to the primary charging roller The high-voltage control IC (IC 1003) on the high-voltage power supply PCB outputs the primary charging dc voltage drive signal (/HV1DC1), primary charging ac voltage drive signal (/HV1AC1),...
  • Page 86 Colorwriter LSR 2000 Printer 3: Operation Service Guide Mechanical controller High-voltage power supply PCB IC1003 (High-voltage control IC) Primary charging roller voltage generation circuit Constant voltage circuit Primary Overlapping Integral circuit /HV1PWM charging roller DC voltage generation circuit /HV1DC0 Voltage...
  • Page 87 Colorwriter LSR 2000 Printer 3: Operation Service Guide developing AC bias onto developing DC bias is applied to the developing cylinder. The developing bias is applied only when the toner cartridge is pressed against the photosensitive drum. Before the toner cartridge leaves the drum, the /DEVDC signal and /DEVAVE signal are set to “H”...
  • Page 88 Colorwriter LSR 2000 Printer 3: Operation Service Guide Mechanical High-voltage power supply PCB controller IC1003 (High-voltage Developing bias generation circuit control IC) Wave HVFre3 forming circuit HVFre1 Overlapping AC bias Switching generation circuit circuit Constant voltage circuit Voltage detection circuit...
  • Page 89 Colorwriter LSR 2000 Printer 3: Operation Service Guide correction control (see “Environment-change correction control” on page 3-69) to apply an appropriate print bias. Mechanical High-voltage power supply PCB controller PCB IC1003 Attraction roller voltage generation circuit (High-voltage control IC) Constant voltage circuit...
  • Page 90 Colorwriter LSR 2000 Printer 3: Operation Service Guide The between-colors bias, with a voltage value smaller than that of the print bias, is applied between colors to minimize the damage of the photosensitive drum. When the drum motor begins to rotate, the high-voltage control IC...
  • Page 91 Colorwriter LSR 2000 Printer 3: Operation Service Guide Generation of voltages applied to the separation charging unit Separation AC voltage is applied to the separation charging unit for prevention of image distortion only when a low temperature/low humidity environment is sensed by the environment detection function.

  • Page 92: Photosensitive Drum Life Detection

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Mechanical High-voltage power supply PCB controller PCB IC1003 Separation DC voltage generation circuit High- voltage control /HVSEP Switching DC voltage J1004-6 generation circuit /HVFre1 circuit Separation HVT PCB J1505 Separation AC voltage generation circuit...
  • Page 93 Colorwriter LSR 2000 Printer 3: Operation Service Guide and determines whether the photosensitive drum has been replaced with a new one. If not, the printer proceeds with the WAIT sequence. When the photosensitive drum is replaced with a new one, the counter for the number of prints is reset.
  • Page 94 Colorwriter LSR 2000 Printer 3: Operation Service Guide Mechanical controller High-voltage power supply PCB Photosensitive drum thickness detection circuit Current detection circuit/ Photosensitive drum Amplification Current/Voltage Filter circuit conversion circuit Primary charging roller Amplification Voltage/pulse width circuit conversion circuit IC1003...
  • Page 95 Colorwriter LSR 2000 Printer 3: Operation Service Guide Drum separation The photosensitive drum and the transfer drum are separated when the photosensitive drum thickness detection is performed, the OHP mode is activated, or the drum cartridge is being replaced. When the mechanical controller sets the drum press signal (/DDSLON) to “L,”...

  • Page 96: Developing Unit Control

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Also, operation of the transfer drum lever can activate cam 2 to move the transfer drum away from the photosensitive drum. Transfer drum Transfer drum lever Cam 2 Roller Figure 3-42 Transfer drum Cam 2...
  • Page 97 Colorwriter LSR 2000 Printer 3: Operation Service Guide Developing rotary Toner cartridge Figure 3-43 Developing unit Do not touch the photosensitive drum as the rotary rotates. Only when the toner cartridge faces the drum surface, are they forced to make contact with the photosensitive drum by the press cam. The...
  • Page 98 Colorwriter LSR 2000 Printer 3: Operation Service Guide Mechanical controller PCB Photosensitive drum Toner cartridge position detection flag Developing rotary Rotary position detection flag Figure 3-44 Developing unit operation The sequence in driving the developing unit includes the rotation of the developing rotary, press/separation of the toner cartridge, and the rotation of the developing cylinder.
  • Page 99 Colorwriter LSR 2000 Printer 3: Operation Service Guide Developing Developing unit motor clutch (CL2) Developing rotary rotation Normal Toner cartridge press/separation Reverse Developing cylinder rotation Normal Rotation of the developing rotary When the print sequence command is received from the DC controller, the mechanical controller sets the developing rotary brake signal (/DEVBRK) to “H,”...
  • Page 100 Colorwriter LSR 2000 Printer 3: Operation Service Guide Toner cartridge pressing The toner cartridge is pushed against the photosensitive drum. After the specified toner cartridge comes to a stop, facing the photosensitive drum, the mechanical controller rotates the developing unit motor in reverse. The cartridge press cam is driven by the developing unit motor to press the cartridge against the photosensitive drum with the push slider.
  • Page 101 Colorwriter LSR 2000 Printer 3: Operation Service Guide Toner cartridge Photosensitive drum Developing cylinder Figure 3-47 Developing cylinder drive Toner cartridge separation Separates the toner cartridge from the photosensitive drum after the development process. After the developing cylinder ceases to rotate, the mechanical controller rotates the developing unit motor in reverse.

  • Page 102: Rotary Manual Unit

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Developing rotary manual rotation By turning the rotary manual knob, the rotary can be turned by hand. The rotary manual unit is pushed out when the front door is opened, engaging the gear in the rotary side plate. A stopper drops down simultaneously to prevent the rotary manual unit from being pushed back and disengaging from the rotary side plate.
  • Page 103 Colorwriter LSR 2000 Printer 3: Operation Service Guide When the front door is closed, the back panel of the door lifts the stopper and pushes in the knob, releasing the developing rotary gear. Stopper Figure 3-50 Rotary stopper Developing rotary rotational position detection...
  • Page 104 Colorwriter LSR 2000 Printer 3: Operation Service Guide position flag, or fetch position flag) is being detected based on the time during which the DEVHP signal is set to “H.” Developing rotary position sensor Yellow cartridge stop position flag Home position flag...
  • Page 105 Colorwriter LSR 2000 Printer 3: Operation Service Guide Toner cartridge position detection The press/separation of the toner cartridge is detected by the toner cartridge position sensor (PS3) through monitoring the position detection flag. When the cartridge is separated from the drum, the flag interrupts PS3 and the toner cartridge position SENSOR signal...
  • Page 106 Colorwriter LSR 2000 Printer 3: Operation Service Guide • PS4 detects a flag width differing from that of the specified rotational position flag. • PS4 does not detect the rotational position flag when the press operation starts. Toner cartridge pressure/separation failure When the following phenomena are detected by the toner cartridge position sensor (PS3), the DC controller is notified by the...

  • Page 107: Image Quality Stability Control

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Mechanical controller PCB Developing motor driver (Q2001) (Q2003) +24VC DEVICH J2016-1 COMA COMB DEVPHA /DEVPHA Developing motor DEVPHB /DEVPHB Figure 3-53 Developing unit motor drive circuit Image quality stability control The printer is protected by image quality stability control to minimize fluctuations in image density due to environmental...
  • Page 108 Colorwriter LSR 2000 Printer 3: Operation Service Guide Half-tone correction control The gate array (IC109) in the DC controller contains a half-tone correction table used to correct the laser output in order to obtain the optimum half-tone image. See Figure 3-54 on page 3-70. The half-tone correction control modifies the half-tone correction table...
  • Page 109 Colorwriter LSR 2000 Printer 3: Operation Service Guide Environment-change correction control start Environment detected Primary charging voltage determined Transfer bias determined Discharge bias determined Attraction bias determined ON/OFF of the separation charging unit Environment-change correction control end Maximum density control start...
  • Page 110 Colorwriter LSR 2000 Printer 3: Operation Service Guide Density sensing circuit Maximum density and half-tone correction are controlled using the density sensor (PS14). The density sensor checks the density of the density sensing pattern formed on the transfer drum. The density sensor is located on the density sensor PCB above the transfer drum.
  • Page 111 Colorwriter LSR 2000 Printer 3: Operation Service Guide When the density sense enable signal (/DENB) becomes “L”, the LED emits light with an intensity set by the led power control signal (/D0-7). The photodiode senses the light, which is reflected by the density sensing pattern onto the transfer drum.

  • Page 112: Pick-Up/Feed System

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Operation Pick-up/Feed System When the /PRNT signal is sent to the DC controller by the video controller and the scanner motor is put in READY mode, the DC controller issues a print sequence command to the mechanical controller, which then starts the print operation.
  • Page 113 Colorwriter LSR 2000 Printer 3: Operation Service Guide Face-down delivery roller Face-down tray Fixing upper roller Face-up tray Photosensitive drum Separation claw Fixing lower roller Gripper Cleaning brush Transfer drum Discharge roller Manual feeding pick-up roller Registration roller Manual feeding tray...

  • Page 114: Paper Pick-Up

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Paper pick-up Cassette feeding The presence of paper in the cassette is detected by the cassette paper sensor (PS301). When the print sequence command is received, the mechanical controller drives the fixing unit motor (M2), then after 0.2 seconds, drives the drum motor (M4) and the pick-up motor (M1).
  • Page 115 Colorwriter LSR 2000 Printer 3: Operation Service Guide Mechanical controller PCB Pick-up PCB Manual feeding tray PS303 PS302 Feed roller 2 Registration roller Manual feeding pick-up roller Separation roller Cassette pick-up roller Feed roller 1 PS301 Cassette Figure 3-59 Paper pick-up and cassette feeding...
  • Page 116 Colorwriter LSR 2000 Printer 3: Operation Service Guide Multi-feed prevention mechanism For cassette feeding, this printer uses the separation roller to prevent multi-feeding. Normally, the separation roller is imparted with rotational force reverse to that of the feed roller. However, the...
  • Page 117 Colorwriter LSR 2000 Printer 3: Operation Service Guide Rotational force Feed roller 1 transmitted from feed roller Separation roller Rotational force transmitted from pick-up motor via torque limiter. Normal Paper Multiple feeding Figure 3-61 Multi-feed rollers Manual feeding The presence of paper in the manual feeding tray is detected by the manual feeding paper sensor (PS1).
  • Page 118 Colorwriter LSR 2000 Printer 3: Operation Service Guide sheets by the separation pad, it is fed into the printer by feed roller 2. The subsequent operations are as described for cassette feeding. Paper lifting plate Manual feeding pick-up roller Manual feed solenoid...
  • Page 119 Colorwriter LSR 2000 Printer 3: Operation Service Guide For the universal cassette, the actuators that press the cassette size- sensing switches are linked with the paper guide in the cassette. When the paper guide is set to the paper size, the positioning of the projections change accordingly.
  • Page 120 Colorwriter LSR 2000 Printer 3: Operation Service Guide OHP (Overhead projector) sheet detection When an OHP sheet is used in this printer, the dedicated A4/letter size OHP sheets must be used with a white band on the leading edge. The following assumptions are made by measuring the period...
  • Page 121 Colorwriter LSR 2000 Printer 3: Operation Service Guide The paper top sensor is a reflective type sensor. In order to Note: prevent the sensor from malfunctioning due to the deterioration of the LED, this printer detects the intensity of light emitted by the LED during the initial rotations.
  • Page 122 Colorwriter LSR 2000 Printer 3: Operation Service Guide • SL1: Cassette feed solenoid This solenoid turns on/off the transmission of the rotation of the pick-up motor to the cassette pick-up roller. When the cassette feed solenoid drive signal (/CPFED) becomes “L,” the solenoid is turned on.
  • Page 123 Colorwriter LSR 2000 Printer 3: Operation Service Guide Mechanical controller controller Pick-up PCB IC301 IC302 J304-6 Pick-up motor J303-2 +24V Cassette feed /CPFED solenoid J302-6 +24V Manual feed /MPFED solenoid J302-9 +24V Registration /REGFED roller clutch J302-1 Manual feeding MPSSNS...

  • Page 124: Transfer Drum And Peripheral Components

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Pick-up motor drive circuit The pick-up motor is a four-phase stepping motor, located in the pick-up unit and controlled by the pick-up PCB. This motor drives the cassette pick-up roller, the manual feeding pick-up roller, the separation roller, the registration roller, feed rollers 1 and 2, and the paper lifting plate press cam.
  • Page 125 Colorwriter LSR 2000 Printer 3: Operation Service Guide (GRIPON) turns “H” and the gripper solenoid (SL4) is turned ON to open the gripper on the transfer drum. The paper is then fed 1.3 times faster than the transfer drum speed so that its leading edge will be pushed into the opened gripper.
  • Page 126 Colorwriter LSR 2000 Printer 3: Operation Service Guide Simultaneously, the attraction roller press signal (/ATTSLON) turns “L” and the attraction roller press solenoid (SL6) is turned on when the separation claw drive signal (SEPON) becomes “H” in order to actuate the press cam to press the attraction roller against the transfer drum.
  • Page 127 Colorwriter LSR 2000 Printer 3: Operation Service Guide Gripper Paper Gripper lever Gripper solenoid Gripper drive arm (SL4) Projection Gripper drive cam Figure 3-68 Gripper control mechanisms Attraction roller The attraction roller is normally separated from the transfer drum and it is pressed against it when necessary.
  • Page 128 Colorwriter LSR 2000 Printer 3: Operation Service Guide transfer drum is applied to the attraction roller. Thus, the paper is electrostatically attracted by the transfer drum. In full-color mode, the attraction roller rotates for the first color only. When the paper for the first color passes through the attraction roller, SL6 is turned off to separate the attraction roller from the transfer drum.
  • Page 129 Colorwriter LSR 2000 Printer 3: Operation Service Guide Separation Upon completion of the transfer, the gripper solenoid (SL4) is turned on and the gripper opens to raise the leading edge of the paper. The separation claw solenoid (SL5) is also turned on to actuate the separation claw, which then scoops up the leading edge of the paper to separate the paper from the transfer drum.
  • Page 130 Colorwriter LSR 2000 Printer 3: Operation Service Guide completed, SL8 is turned off to release the cam, and the spring force separates the cleaning brush from the transfer drum. Simultaneously, the cleaning brush motor is turned off. For continuous printing, the cleaning brush rotates only after the transfer occurs for the last sheet.
  • Page 131 Colorwriter LSR 2000 Printer 3: Operation Service Guide Discharge roller The discharge roller is normally pushed up by the discharge roller press cam so that it is separated from the transfer roller. After the paper is separated from the transfer drum, the discharge roller press solenoid (SL9) is turned on to release the cam and thus press the discharge roller against the transfer drum.
  • Page 132 Colorwriter LSR 2000 Printer 3: Operation Service Guide Drum motor drive circuit The drum motor is a four-phase stepping motor controlled by the drum motor driver (Q2002) on the mechanical controller. It drives the photosensitive drum and the transfer drum.

  • Page 133: Fixing And Delivery Unit

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Cleaning brush motor drive circuit The cleaning brush motor is a DC brushless motor. Controlled by the CPU on the mechanical controller, it is used to drive the cleaning brush. Mechanical controller PCB...
  • Page 134 Colorwriter LSR 2000 Printer 3: Operation Service Guide DC controller PCB Mechanical controller PCB Face-down delivery roller Cleaning applying belt roller Fixing Deflector PS10 upper roller Fixing unit delivery roller PS13 Fixing lower roller Oil pump Figure 3-75 Fixing and delivery unit The fixing upper/lower rollers, the fixing unit delivery roller, the oil...
  • Page 135 Colorwriter LSR 2000 Printer 3: Operation Service Guide The fixing upper and lower rollers each have one built-in fixing heater (H1: 485W/100-120V; 430W/220-240V) that heats the roller. The fixing temperature is detected by the thermistor (TH) in the center of the lower roller surface. The thermoswitches are in contact with the respective shafts of the fixing upper and lower...
  • Page 136 Colorwriter LSR 2000 Printer 3: Operation Service Guide of only the fixing roller is slowed down to half of its normal speed without changing that of the transfer drum, the feed speed differs between the leading and trailing edges of the paper. In this case, the image is distorted as the paper curls.
  • Page 137 Colorwriter LSR 2000 Printer 3: Operation Service Guide Mechanical DC controller PCB controller Power supply unit Fixing unit +24V Thermoswitch Fixing upper roller Fixing lower roller Thermistor IC101 /FXUON /FXLON /FXENB Fixing heater drive circuit Fixing heater THSEL safety circuit...
  • Page 138 Colorwriter LSR 2000 Printer 3: Operation Service Guide If the fixing temperature is less than 100°C when it starts being increased, the target temperature is set to a value higher than normal. After a certain period of time, the value is returned to the normal target temperature.
  • Page 139 Colorwriter LSR 2000 Printer 3: Operation Service Guide Detecting fixing unit errors Preventing malfunctions of the fixing heater In order to prevent the fixing heater from malfunctioning, the Colorwriter provides the following safety functions: • The CPU monitors the voltage of the fixing temperature detect signal (THI).
  • Page 140 Colorwriter LSR 2000 Printer 3: Operation Service Guide • When the power is turned on, a fixing unit error is found stored in the DC controller. • Sixty seconds after the power is turned on, the value of the fixing temperature detect signal (THI) sent to the CPU on the DC controller has not changed.
  • Page 141 Colorwriter LSR 2000 Printer 3: Operation Service Guide While the power is turned on, the CPU (IC101) sets the off- timer charge signal (/TCCHG) to be output to IC102 to “L” to charge C106. After the power is turned off, C106 begins to discharge.
  • Page 142 Colorwriter LSR 2000 Printer 3: Operation Service Guide If the fixing heater safety circuit detects a malfunction in the fixing heater The fixing heater safety circuit in the power supply unit will shut OFF the power supplied to the fixing heater if the fixing temperature rises abnormally.
  • Page 143 Colorwriter LSR 2000 Printer 3: Operation Service Guide Mechanical controller Fixing unit DC controller PCB Power supply unit +24V IC101 Thermoswitch Fixing upper roller /FXUON Fixing heater /FXLON drive circuit Fixing SFSNS lower roller Thermistor /FXROF Safety /FXENB circuit IC...
  • Page 144 Colorwriter LSR 2000 Printer 3: Operation Service Guide unit. For example, if the fixing unit for 220V is connected to the power supply for the 100V version, the circuit will recognize it as a mismatch in rated voltage due to incorrect installation of the fixing unit.

  • Page 145: Oil Circulation System

    Colorwriter LSR 2000 Printer 3: Operation Service Guide AC current flows normally, the FXSTS signal alternates between “H” and “L” at a certain frequency. Thus, the CPU can detect that the fixing heater is broken by the FXSTS signal. To reset the fixing unit abnormality detection circuit after it is Note: actuated, first turn off the printer, allow it to stand for about 30...
  • Page 146 Colorwriter LSR 2000 Printer 3: Operation Service Guide Oil applying roller Oil nozzle Fixing upper roller Oil pan Oil catch tray Fixing lower roller Pipe Pump Figure 3-83 Oil system components 3-108...
  • Page 147 Colorwriter LSR 2000 Printer 3: Operation Service Guide Cleaning belt Oil blade Oil nozzle Oil applying roller Oil applying blade Oil pan Oil bottle Blade Pipe Filter Oil catch tray Oil sensor (PS13) Oil overflow sensor (PS10) Oil bottle case...
  • Page 148 Colorwriter LSR 2000 Printer 3: Operation Service Guide one step each time the cleaning belt drive solenoid (SL3) is turned on/off. In OHP sheet mode it moves two steps. The cleaning belt has a notch about 30cm from its trailing edge.

  • Page 149: Fixing Unit Motor Drive Circuit

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Fixing unit motor drive circuit The fixing unit motor is a DC brushless motor controlled by the CPU on the mechanical controller and used to drive the loads peripheral to the transfer drum and the fixing/delivery unit.

  • Page 150: Paper Jam Detection

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Mechanical controller PCB +5V +24V (Q2001) J2013-6 /MRDY MLOW Fixing unit motor /MON Figure 3-86 Fixing unit motor drive circuit Paper jam detection The following paper sensors are provided to detect whether paper is present and whether the paper is fed normally: •...
  • Page 151 Colorwriter LSR 2000 Printer 3: Operation Service Guide (Unit: second) (Unit: second) PRINT PRINT Feed solenoid (SL1, SL2, SL351) Jam check Registration paper sensor Normal Abnormal (PS302) Pick-up motor (M1) T1=0.83 (Cassette feed, Manual feed), 1.17 (Paper feeder) T2=2.57 (Cassette feed, Paper feeder), 2.07 (Manual feed)
  • Page 152 Colorwriter LSR 2000 Printer 3: Operation Service Guide Grip jam The CPU determines that a grip jam has occurred if the attraction sensor (PS6) does not detect the paper a specified period of time after transfer drum registration position detection (in the full-color mode, the registration position for the fourth color is detected).
  • Page 153 Colorwriter LSR 2000 Printer 3: Operation Service Guide Separation stationary jam The CPU determines that a separation stationary jam has occurred if the paper is detected by the separation sensor (PS7) a specified period of time after transfer drum registration position detection (in the full-color mode, the registration position for the fourth color is detected).

  • Page 154: Delivery Stationary Jam

    Colorwriter LSR 2000 Printer 3: Operation Service Guide (Unit: second) (Unit: second) PRINT PRINT Registration position Registration position Transfer drum top sensor (PS8) Jam check Delivery paper sensor Normal Abnormal (PS9) Main motor (M2) T5=5.23 (8.99 in case of OHP)
  • Page 155 Colorwriter LSR 2000 Printer 3: Operation Service Guide Multi-feed paper stationary jam The CPU determines that multi-feed paper sheets remain in the printer when the following situation has occurred. The CPU determines that a multi-feed paper stationary jam has occurred if the delivery paper sensor (PS9) detects paper a specified...

  • Page 156: Initial Residual Jam

    Colorwriter LSR 2000 Printer 3: Operation Service Guide (Unit: second) (Unit: second) PRINT PRINT Registration position Registration position Transfer drum top sensor (PS7) Jam check Paper top sensor Normal Abnormal (PS303) Main motor (M1) T8=1.49, T9=1.57, T10=1.64 (Unit: second) (Unit: second)

  • Page 157: System Interface

    Colorwriter LSR 2000 Printer 3: Operation Service Guide registration paper sensor (PS302), paper top sensor (PS303), separation sensor (PS7), delivery sensor (PS9). • After the power switch is turned on, and the transfer drum rotates, if the attraction sensor (PS6) detects the paper a specified period of time (1.48 seconds) after transfer drum...

  • Page 158: Video Interface

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Video interface Video controller PCB DC controller PCB Figure 3-97 Types of video interface signals When power is turned on, the printer enters the WAIT state. At the end of the WAIT state, the DC controller sends the READY signal (/RDY) to the video controller to inform it that the printer is ready to print.

  • Page 159: Power Supply

    Colorwriter LSR 2000 Printer 3: Operation Service Guide The DC controller generates 8-bit video data signals (Dv2-Dv9) in accordance with the video signals (/VDO0-/VDO7) sent by the video controller, and then sends them to the PWM-IC in the laser/scanner unit. The laser drive circuit turns on/off the laser diode...
  • Page 160 Colorwriter LSR 2000 Printer 3: Operation Service Guide Power supply PCB To fixing heater Fixing heater safety circuit Fixing heater drive circuit /fixing unit abnormality detection circuit CB101 Noise filter Circuit AC Power supply breaker Fuse Rectifier circuit Rush current...

  • Page 161: Remote Switch

    Colorwriter LSR 2000 Printer 3: Operation Service Guide +24VDC consists of: • Normal +24VA, which is shut off when SW2 is turned off by opening the front door, the fixing unit cover, or the pick-up cover; and • +24VB, which is always on whether SW2 is turned on or off.

  • Page 162: Paper Feeder

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Paper feeder Electrical circuit The paper feeder is electrically controlled by the paper feeder driver PCB in the paper feeder. This PCB provides serial communication with the mechanical controller in the printer and outputs signals to drive the loads of the motors and the solenoids.

  • Page 163: Paper Feeder Driver Input/Output

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Paper feeder driver input/output Paper feeder driver PCB PS352 J352-1 "H" when paper is available. OPFEDSNS Pick-up sensor Cassette paper-sensing PCB PS351 J352-4 Cassette paper "H" when no paper is available. OPSNS...

  • Page 164: Pick-Up/Feed System

    Colorwriter LSR 2000 Printer 3: Operation Service Guide Pick-up/feed system The paper feeder pick-up roller is driven by the paper feeder motor (M6). The paper feeder motor is controlled by the paper feeder motor driver IC in the paper feeder driver PCB. The solenoid is controlled by the paper feeder driver IC in the paper feeder driver PCB.
  • Page 165 Colorwriter LSR 2000 Printer 3: Operation Service Guide The power source in the printer uses a remote switch. The CPU in the paper feeder driver PCB outputs the REMOTE signal to the power source in accordance with a command from the printer and turns the power supply ON/OFF.
  • Page 166 Colorwriter LSR 2000 Printer 3: Operation Service Guide Power supply for paper feeder Power source in printer AC power Fuse outlet Paper feeder driver PCB Noise filter REMOTE Phototriac Mechanical controller IC301 PCB in printer Power supply +24V circuit Door switch...

  • Page 167: Removing Printer Shipping Materials

    Chapter 4: Installation Overview Before you begin installing the printer, unpack the box and check the contents. For information on unpacking the printer and choosing a location, see the Getting Started Guide . The actual installation process involves the following procedures: •...

  • Page 168: Installing The Photosensitive Drum

    Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide 3. Open the fixing unit cover to remove the right and left pressure release spacers. Installing the photosensitive drum The photosensitive drum is used for toner image formation and transfer onto the paper being processed (which will subsequently be fixed at the fixing assembly).
  • Page 169 Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide 3. Push down the transfer drum release handle. Before replacing the waste toner bottle and the Note: photosensitive drum, make sure the release handle is pushed all the way down. 4. Push the handle on the drum cartridge door in the direction of the arrow to open the door fully.
  • Page 170 Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide 6. Insert the end with the mark into the V-shaped opening, as shown below. Do not apply excessive force to the protective cover while Note: handling the drum cartridge. Otherwise, the photosensitive drum may be scratched.

  • Page 171: Installing The Waste Toner Bottle

    Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide Keep the drum cartridge cover to protect the used Note: photosensitive drum later. Avoid touching the surface of the photosensitive drum with your fingers when removing the drum cartridge cover. 9. Push the drum all the way in until the black tab on its end is locked.
  • Page 172 Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide To install the waste toner bottle 1. With the opening facing the printer, attach the new waste toner bottle to the printer. Before attaching the waste toner bottle to the printer, Note: make sure the release handle is pushed all the way down.

  • Page 173: Installing The Toner Cartridges

    Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide Installing the toner cartridges The printer requires four toner cartridges: cyan, magenta, yellow, and black. Each toner cartridge supplies the corresponding color toner for image formation and transfer onto the paper during the print cycle.
  • Page 174 Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide 3. Rock it up and down five or six times to distribute the toner evenly. Do not try to redistribute the toner in a used or unsealed Note: cartridge —the toner may leak.
  • Page 175 Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide 5. While pressing the turret knob , turn it in the direction of the arrow until the desired color markers for the toner cartridge appear in the opening. Make sure the two color markers are fully visible before installing the toner cartridge.
  • Page 176 Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide 7. Press the toner cartridge two or three times so that it is inserted all the way into the printer. Make sure the end of the cartridge is aligned with the marks.

  • Page 177: Installing The Silicone Oil Bottle

    Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide Installing the silicone oil bottle The oil bottle supplies silicone oil to the fixing assembly. Follow these guidelines when you are installing silicone oil: • Do not use any oil other than the recommended silicone oil.
  • Page 178 Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide To replace a silicone oil bottle 1. Read the caution label on the bottle, and peel off the seal from a new silicone oil bottle. Do not shake the bottle or the oil may spill out.

  • Page 179: Attaching The Optional Paper Feeder Unit

    Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide 4. Close the front door. This completes the silicone oil bottle installation. The oil is very slippery, and may present a skidding or slipping hazard. After a spill or leak, use absorbent material to contain and collect excess oil for disposal.
  • Page 180 Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide Paper feeder unit Locking pins (2) Universal cassette To set up the paper feeder unit 1. Remove the tapes and store the two locking pins for later use. Locking pins in vinyl...
  • Page 181 Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide 2. While pushing up the handle on the underside of the cassette, pull out the paper cassette. 3. Turn the cassette upside down and remove the tapes and the spacer on it.
  • Page 182 Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide 5. With a person on each side, reach into the two pockets on the bottom of the two sides of the feeder unit and lift up both sides at the same time. Carry it to the location selected.
  • Page 183 Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide 7. Position the printer above the feeder unit, making sure the paper cassette compartment of the printer as well as the feeder unit are in the same direction. Use the two positioning poles on the feeder unit for alignment.
  • Page 184 Colorwriter LSR 2000 Printer 4: Installation Overview Service Guide Make sure the printer body and the feeder unit are correctly aligned. 9. While pressing the handle upward, slide the cassette (removed from the feeder unit in step 2) all the way into the feeder unit until it snaps into place.

  • Page 185: Servicing The Colorwriter

    Colorwriter system software is installed on the video controller hard disk drive at the factory. For more information, see “Installing system software” on page 5- 170. Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-1...

  • Page 186: Accessing Colorwriter's Internal Components

    The numbers in parentheses indicate the number of screws mounted. Figure 5-1 Colorwriter covers and panels Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-2...
  • Page 187 1—Fixing unit cover 2—Screws 1—Screw 2—Strap Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-4 Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-5...
  • Page 188 1—Pick-up cover 2—Left cover 2—Fixing unit cover Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-6 Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-7...
  • Page 189 1. Open the manual feeding tray. 1—Fixing unit cover 1—Manual feeding tray Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-8 Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-9...
  • Page 190 2—Cover unit 5-10 5-11 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-10 Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-11...
  • Page 191 2. Open the front door. 5-12 5-13 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-12 Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-13...
  • Page 192 2—Transfer drum lever 5-14 5-15 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-14 Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-15...
  • Page 193 2—Display unit 5-16 5-17 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-16 Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-17...

  • Page 194: Exhaust Fan

    2—Fan cover 5-18 5-19 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-18 Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-19...
  • Page 195 2. Remove the nine screws and the shield plate. 5-20 5-21 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-20 Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-21...
  • Page 196 5-22 5-23 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-22 Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-23...
  • Page 197 4. Disengage the claw holding the electrical unit fan to remove the fan. 1—Electrical unit fan Note: Reassemble so that the manufacturer’s label is facing you. 5-24 Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 5:36 pm File: Service-externals Page: 5-24...

  • Page 198: Drive System

    To remove the fixing unit motor 1. Remove the rear cover. 2. Remove the nine screws and the shield plate. 5-25 Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-25...
  • Page 199 2—Connector 5-26 5-27 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-26 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-27...

  • Page 200: Drive Unit

    2—Fixing unit 5-28 5-29 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-28 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-29...

  • Page 201: Rotary Manual Unit

    2—Electrical unit fan 5-30 5-31 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-30 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-31...

  • Page 202: Transfer Drum Cleaner Press Drive Unit

    2—Connectors 5-32 5-33 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-32 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-33...

  • Page 203: Drum Press Drive Unit

    5-58. 5-34 5-35 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-34 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-35...

  • Page 204: Paper Transport System

    2—Delivery drive unit 5-36 5-37 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-36 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-37...

  • Page 205: Separating The Manual Feeding Tray Pick-Up Unit From The Cassette Pick-Up Unit

    2—Left stopper 4—Pick-up unit 5-38 5-39 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-38 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-39...
  • Page 206 4—E-ring 5-40 5-41 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-40 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-41...

  • Page 207: Manual Feed Solenoid

    2—Manual feeding pick-up roller 5-42 5-43 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-42 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-43...

  • Page 208: Separation Pad

    3—Paper lifting plate 5-44 5-45 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-44 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-45...

  • Page 209: Feed Roller Unit 2

    3—Left lock link 5-46 5-47 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-46 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-47...

  • Page 210: Pick-Up Motor

    2—PCB cover 5-48 5-49 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-48 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-49...

  • Page 211: Registration Roller Clutch

    2—Registration roller clutch 5-50 5-51 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-50 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-51...

  • Page 212: Registration Upper/Lower Rollers

    2—Bearing 5-52 5-53 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-52 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-53...

  • Page 213: Cassette Feed Solenoid

    5-54 5-55 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-54 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-55...

  • Page 214: Separation Roller

    3—Feed roller 1 5-56 5-57 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-56 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-57...

  • Page 215: Transfer Drum Holder Unit

    5-58 5-59 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-58 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-59...
  • Page 216 3—Knob unit 5-60 5-61 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-60 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-61...
  • Page 217 3—Front lever 5-62 5-63 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-62 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-63...
  • Page 218 3—Shaft 5-64 5-65 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-64 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-65...
  • Page 219 5-66 5-67 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-66 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-67...
  • Page 220 1—Two-sided tape application surface 5-68 5-69 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-68 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-69...
  • Page 221 2—Transfer sheet edges 5-70 5-71 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-70 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-71...
  • Page 222 2—Attraction sensor 5-72 5-73 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-72 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-73...
  • Page 223 3—Transfer drum cleaner unit 5-74 5-75 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-74 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-75...
  • Page 224 3—Cleaning belt drive solenoid unit 5-76 5-77 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-76 Last Modified: January 20, 1996 6:17 pm File: Service-Drive Paper Page: 5-77...

  • Page 225: Exposure System

    5-78 5-79 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-78 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-79...
  • Page 226 5-80 5-81 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-80 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-81...
  • Page 227 2—Separation charging unit 5-82 5-83 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-82 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-83...
  • Page 228 2 and 3 three times each. 5-84 5-85 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-84 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-85...

  • Page 229: Developing Rotary Unit

    5-30. 2—Holder 5-86 5-87 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-86 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-87...
  • Page 230 2—Inner cover 2 5-88 5-89 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-88 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-89...
  • Page 231 Figure 5-4 Fixing unit configuration 5-90 5-91 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-90 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-91...
  • Page 232 2—Bottle case unit 5-92 5-93 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-92 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-93...
  • Page 233 2—Heater terminals 5-94 5-95 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-94 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-95...
  • Page 234 2—Heater cover 5-96 5-97 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-96 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-97...
  • Page 235 5-106. 5-98 5-99 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-98 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-99...
  • Page 236 fixing lower roller also. 5-100 5-101 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-100 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-101...
  • Page 237 5-102 5-103 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-102 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-103...
  • Page 238 2—Fixing entrance lower guide 5-104 5-105 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-104 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-105...
  • Page 239 fixing upper/lower rollers also. 5-106 5-107 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-106 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-107...
  • Page 240 4—Fixing delivery unit 5-108 5-109 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-108 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-109...

  • Page 241: Oil Applying Unit

    3—Oil applying unit 5-110 5-111 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-110 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-111...
  • Page 242 6—Applying roller 5-112 5-113 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-112 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-113...
  • Page 243 5-114 5-115 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-114 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-115...
  • Page 244 2. Remove the tube. 5-116 5-117 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-116 Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-117...
  • Page 245 2. Remove the four screws and the bottle case side plate. 1—Screws 2—Bottle case side plate 3. Then remove the four screws and oil pump B. 1—Screws 2—Oil pump B 5-118 Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:12 pm File: Service-misc+fixing Page: 5-118...

  • Page 246: Electrical Components

    PCB” on page 5-124). See the following figure for the layout of components on the video controller PCB. 5-119 Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-119...
  • Page 247 5-120 5-121 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-120 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-121...
  • Page 248 5-120). 5-122 5-123 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-122 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-123...
  • Page 249 For example if the printer is configured for 5-124 5-125 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-124 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-125...
  • Page 250 5-126 5-127 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-126 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-127...
  • Page 251 1—Screw 2—Connectors 5-128 5-129 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-128 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-129...
  • Page 252 DC controller PCB. 5-130 5-131 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-130 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-131...

  • Page 253: Pick-Up Pcb

    1. Remove the upper cover. 5-132 5-133 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-132 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-133...

  • Page 254: Cassette-Size Sensing Pcb

    2—Cassette-size sensing PCB holder 3—Claw 5-134 5-135 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-134 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-135...
  • Page 255 2—Photosensitive drum door 5-136 5-137 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-136 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-137...

  • Page 256: Toner-Low Detect Receive Pcb

    5-58. 5-138 5-139 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-138 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-139...

  • Page 257: Power Supply

    5. Remove the nine screws and the shield plate. 5-140 5-141 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-140 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-141...

  • Page 258: High-Voltage Power Supply

    4—High-voltage power supply 5-142 5-143 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-142 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-143...

  • Page 259: Separation Hvt Pcb

    2—Fixing unit fan 5-144 5-145 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-144 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-145...

  • Page 260: Oil Overflow Sensor

    5-146 5-147 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-146 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-147...

  • Page 261: Oil Sensor Pcb

    2—Oil sensor PCB 5-148 5-149 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-148 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-149...

  • Page 262: Ejection Pcb

    3—Ejection PCB 5-150 5-151 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-150 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-151...

  • Page 263: Paper Feeder

    1—Lock pin 5-152 5-153 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-152 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-153...
  • Page 264 3—Right door hinges 5-154 5-155 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-154 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-155...

  • Page 265: Pick-Up Unit

    3—Separation roller 5-156 5-157 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-156 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-157...
  • Page 266 2. Open the right door. 5-158 5-159 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-158 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-159...
  • Page 267 2—Feed roller unit 1 5-160 5-161 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-160 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-161...
  • Page 268 1—E-rings 2—Bushings 5-162 5-163 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-162 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-163...

  • Page 269: Paper Feeder Pcb

    2—Paper feeder PCB 1—Connectors 5-164 5-165 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-164 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-165...

  • Page 270: Power Supply

    2. Remove the left cover. 5-166 5-167 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-166 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-167...
  • Page 271 1—Cassette-size sensing PCB 5-168 5-169 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-168 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-169...

  • Page 272: Installing System Software

    5-170 5-171 Manual: Colorwriter LSR 2000 Service Guide Draft: Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-170 Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-171...
  • Page 273 CD. If the installation is successful, you will be prompted to reboot the printer. 12. Press the Enter button. 13. printer enter the customer’s Setup configuration. 5-172 Manual: Colorwriter LSR 2000 Service Guide Draft: Last Modified: January 20, 1996 7:30 pm File: Service-electrical Page: 5-172...

  • Page 274: Preliminary On-Site Checkout

    Chapter 6: Troubleshooting Procedures This chapter identifies the source of common problems that may occur with the printer and suggests ways of correcting them. Preliminary on-site checkout Your goal in the preliminary on-site checkout is to eliminate obvious problems such as loose or missing cables and connectors. Checking the cables Before you remove any of the printer covers to check internal components:...

  • Page 275: Checking The Installation Environment

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Checking the installation environment Make sure the printer is installed in an environment that conforms to the following environmental standards: The power supply voltage is ± 10% the rated voltage. •...

  • Page 276: Other

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Other During winter, particularly when bringing the printer into a warm room from a cold location, such as a warehouse, condensation can appear in the printer’s parts if you unpack it immediately. The condensation could cause the following conditions: •...
  • Page 277 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide 4. If you cannot find the jammed paper, pull the green right/left levers to remove the pick-up unit, and remove the jammed paper. 5. After removing the paper, load the pick-up unit into the printer and close the pick-up cover.
  • Page 278 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide At this time, be careful to not touch the window on the density sensor. Density sensor 3. Push the green lever down to the right, and release the transfer drum lock.
  • Page 279 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide 4. Rotate the green knob to the left, and remove the jammed paper. Non-fixing toner will be on the paper, so take care not to dirty the density sensor when removing the paper.

  • Page 280: Start-Up Diagnostics And Error Messages

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Push up and down on the green lever to remove the jammed paper. 4. Close the fixing unit cover after removing the paper. Start-up diagnostics and error messages When you turn on the printer or reboot, the system goes through a series of diagnostic tests that check components on the video controller board.
  • Page 281 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide controller PCB being tested, and the suggested corrective action for the failing test. Table 6-1 Possible errors during Start-up diagnostics Error Area tested Test name code on video controller PCB Suggested action U5—EPROM...

  • Page 282: Selecting Video Controller Extended Diagnostics

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-1 Possible errors during Start-up diagnostics (continued) Error Area tested Test name code on video controller PCB Suggested action FU1—SCSI fuse • Make sure the fuse is installed. SCSI FUSE •...
  • Page 283 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide the Online button again when the test is displayed in the display window. The test will no longer be selected. 6. Press the Enter button when you are finished selecting the tests you want to run.
  • Page 284 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-2 Video controller extended diagnostics (continued) Error Area tested Test name code on video controller board Suggested action J6-J13—SIMMs on the video • Locate the faulty SIMM. DRAM SIMM controller PCB •...

  • Page 285: Basic Troubleshooting Procedures

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-2 Video controller extended diagnostics (continued) Error Area tested Test name code on video controller board Suggested action SCSI cable or U15—SCSI controller • Check SCSI cable connections to the...

  • Page 286: How To Read The Troubleshooting Procedure Table

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide How to read the troubleshooting procedure table The troubleshooting procedure table in this chapter is a variation of a general flowchart. An explanation of how to read the table follows with an example.

  • Page 287: Printer Driver Tester (Pdt)

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Printer Driver Tester (PDT) The printer driver tester can independently drive the printer to check its operation. The PDT is available only in central locations and should not Note: be used for routine service calls.
  • Page 288 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Operation panel The tester operates in the following seven modes. For details, refer to the printer driver tester manual. • : Monitors the operation of each sensor. 1—SENSOR • : Monitors and controls the operation of each 2—ACTUATOR...

  • Page 289: Measurement And Adjustment

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Printer Driver Tester b7 b6 b5 b4 b3 b2 b1 b0 SENSOR ACTUATER READY TEST PRINTER A D J U S T - DISCHARGE CONTROL PRINT STATUS M E N T...
  • Page 290 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide 4. Turn the printer power switch OFF, and connect the printer driver tester to the printer. 5. While holding down the TEST PRINT key on the Density Control Panel, turn the power switch ON.

  • Page 291: Electrical System Adjustments

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide 2. When mounting the transfer sheet, confirm that the holes at the edge of the transfer sheet securely enter the three designated projections of the gripper unit. Designated projection 3. Take care so that the transfer sheet does not slack and float in the center or at the edges.
  • Page 292 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide procedure is shown below. Refer to the printer driver tester Auto manual for the procedure. Manual 1. After connecting the printer driver tester to the printer, turn the printer power switch ON while holding down the TEST PRINT key on the Density Control Panel.
  • Page 293 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide To adjust manual feeding tray side registration This adjustment can be performed using either the Density Control Panel or the printer driver tester. The procedure for using the printer driver tester is described below.
  • Page 294 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide • Input the adjustment numerical value by the NUMERAL keys. 05-35 (0.5mm-3.5mm) • ENTER key • AAAA will appear on the display panel if the data are being written, and FFFF if they are not being written.

  • Page 295: Image Defects

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide 7. Make another test print to confirm the side registration is 2mm. If the adjusted value is not about 2mm, execute steps 4-7 over again. Paper leading edge – SW301 CCW (+)
  • Page 296 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide • Gradation test print The Gradation test pattern can confirm gray balance, tone, fogging, etc. A test page can also be printed from the Control Panel on the Note: front of the printer. See “Test patterns” on page 2-3.
  • Page 297 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide • Test pattern selection: Vertical lines B1 Horizontal lines B2 Solid color B3 Solid white B4 Gradation B5 Grid B6 • Paper size selection: A4 C1 B5 C2 Letter C3 Legal C4 •...

  • Page 298: Troubleshooting Image Defects

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Troubleshooting image defects The tables in this section help you troubleshoot the following image defects: • Light • Vertical lines • BD failure (Table 6-4 on page 6-25) (Table 6-10 on page 6-31) (Table 6-15 on page 6-35) •...
  • Page 299 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-4 Image defect—light (continued) Cause Step Check Decision Action Transfer sheet Does the print image darken Replace the transfer sheet. when you replace the transfer sheet? Poor contact After cleaning the developing...
  • Page 300 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-6 Image defect—completely blank pages Cause Step Check Decision Action Front door back panel Is there damage on the laser Replace the front door beam shutter open-close boss of back panel.
  • Page 301 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-7 Image defect—all black Cause Step Check Decision Action Drum cartridge Does it improve when you Replace the cartridge. replace the drum cartridge? Poor contact After cleaning the primary Clean the contacts and charging voltage contact spring ensure their connections.
  • Page 302 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-8 Image defect—dirt on back of paper Cause Step Check Decision Action Fixing lower roller Is the back of the paper Refer to Table 6-19 on periodically soiled? page 6-37 to pinpoint the Attraction roller dirty roller and clean it.
  • Page 303 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-9 Image defects—dirty Cause Decision Step Check Action Cleaning belt Is the cleaning belt being Check the fixing wound correctly? cleaner unit. Fixing upper roller Does dirt appear periodically? Refer to Table 6-19 on...
  • Page 304 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-10 Image defects—vertical lines Cause Step Check Decision Action Toner cartridge In which colors do the vertical Replace the cartridges of lines appear? the colors that are appearing. Separation corona wire Does it improve when you Clean it.

  • Page 305: Drum Cartridge

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-11 Image defects—white vertical line Cause Step Check Decision Action Toner cartridge Does a white vertical line Remove the cartridge of appear for all colors? the color for which it appears from the printer.
  • Page 306 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-11 Image defects—white vertical line (continued) Cause Step Check Decision Action System software corruption Does it improve when you Reinstall system reinstall system software? software. SIMMs on video controller Are SIMMs seated properly on...

  • Page 307: Fixing Unit

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-13 Image defects—Blank spots Cause Step Check Decision Action Paper Is recommended paper being Print with recommended used? paper. If the outcome is good, ask the user to use recommended paper (see user guide).
  • Page 308 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-15 Image defect—distortion/board failure Cause Step Check Decision Action Poor connection Is the connection good between Reconnect them. DC controller PCB connector J208 and connectors J102, J110 and J111? Poor connection Is the connection good between Reconnect them.

  • Page 309: Fixing Cleaning Unit

    Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-17 Image defects—streaking Cause Step Check Decision Action Did the same type of image Use the printer driver appear again even after tester to change the correcting it the previous time...
  • Page 310 Colorwriter LSR 2000 Printer 6: Troubleshooting Procedures Service Guide Table 6-18 Image defects—toner scatter Cause Step Check Decision Action Did the same type of image Use the printer driver appear again even after tester to change the correcting it the previous time...

  • Page 311: Troubleshooting Malfunctions

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Troubleshooting Troubleshooting malfunctions Prepare the printer driver tester (if available) for executing the troubleshooting malfunctions described in this section. The printer driver tester is available from a central location Note: and is not available for routine service procedures.
  • Page 312 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-20 E001/E005 Fixing failure (Abnormal warm-up/Temperature low) Cause Step Check Decision Action Poor connection Are DC controller PCB Reconnect them. connector J112 and mechanical controller PCB connector J2007 connections good? Thermistor wire break...
  • Page 313 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-21 E002 Fixing failure (Temperature high) Cause Step Check Decision Action Thermistor short Turn the power switch OFF, Check the wiring and remove the fixing unit. between DC controller Measure the resistance between PCB connector J112 and fixing unit connectors J21-5...
  • Page 314 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-23 E004 Fixing failure (Heater wire breakage) Cause Step Check Decision Action Fixing upper heater Turn the power switch OFF, Check the continuity of and remove the fixing unit. Is the fixing upper heater Thermoswitch there continuity between fixing...
  • Page 315 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-25 E007/E008 Fixing unit motor failure Cause Step Check Decision Action Poor connection Are mechanical controller PCB Reconnect them. connector J2013 and fixing unit motor connector J58 connections good? Door switch Disconnect connector J7 from Replace the door switch.
  • Page 316 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-26 E010 Drum motor failure Cause Step Check Decision Action Poor connection Is the mechanical controller Reconnect it. PCB connector J2015 connection good? Door switch Disconnect connector J7 from Replace the door switch.
  • Page 317 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-27 E020 Rotary rotation failure Cause Step Check Decision Action Does the developing rotary See check from Step 5. rotate? Poor connection Is the mechanical controller Reconnect it. PCB connector J2016...
  • Page 318 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-28 E021 Toner cartridge engagement/separation failure Cause Step Check Decision Action Poor connection Is the mechanical controller Reconnect it. PCB connector J2016 connection good? Door switch Disconnect connector J7 from Replace the door switch.
  • Page 319 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-30 E111 Laser failure Cause Step Check Decision Action Laser/scanner unit Are the DC controller PCB Replace and check as connectors J110 and J111 follows: DC controller PCB connections good? • Laser/scanner unit Are the laser driver PCB •...
  • Page 320 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-32 E190 DC controller failure (EEPROM abnormal) Cause Step Check Decision Action DC controller PCB Replace the DC controller PCB. Table 6-33 E191 DC controller failure (5V/24V) Cause Step Check Decision...
  • Page 321 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-36 E194 Density sensor failure Cause Step Check Decision Action Density sensor unit Are the density sensor unit Replace and check as connector J501 and DC follows: DC controller PCB controller PCB connector J103 •...
  • Page 322 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-39 E703 Paper feeder communication failure Cause Step Check Decision Action Paper feeder driver PCB Are the mechanical controller Replace and check as PCB connector J2003, transit follows: Mechanical controller PCB connectors J16/J357 and paper •...
  • Page 323 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-42 E801 Fixing fan failure Cause Step Check Decision Action Poor connection Is the mechanical controller Reconnect it. PCB connector J2012 connection good? Fixing unit fan Disconnect mechanical Replace the fixing unit controller PCB connector fan.
  • Page 324 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-44 E803 Power supply failure Cause Step Check Decision Action Wrong fixing unit installed Turn the power switch OFF, Replace the fixing unit and remove the fixing unit. Do so that it corresponds to...
  • Page 325 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-45 E900 Paper feeder 24V failure Cause Step Check Decision Action Power plug misconnection Is the power plug from the wall Correctly re-connect. socket connected directly to the printer even though the paper...
  • Page 326 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-46 No AC power Cause Step Check Decision Action Power supply voltage Is rated voltage supplied at the Inform the user that outlet? rated voltage is not supplied at the outlet.
  • Page 327 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-47 No DC power Cause Step Check Decision Action Overcurrent/overvoltage Does it improve when you turn Determine the reason sensing the power switch OFF/ON? the power supply unit’s overcurrent/overvoltage sensing circuit operated.
  • Page 328 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-48 No pick-up (Manual feed) Cause Step Check Decision Action Video controller PCB Use the printer driver tester to Replace the video print a test pattern from the controller PCB. manual feeding tray. Is the...
  • Page 329 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-49 No pick-up (Cassette feed) Cause Step Check Decision Action Video controller PCB Use the printer driver tester to Replace the video test print a page from the controller PCB. cassette. Is the paper picked up?
  • Page 330 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-50 No pick-up (Paper feeder pick-up) Cause Step Check Decision Action Video controller PCB Use the printer driver tester to Replace the video print a test pattern from the controller PCB.
  • Page 331 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-51 Registration roller does not rotate Cause Step Check Decision Action Gear Is the pick-up motor drive Check the gears, and properly transmitted by the replace any damaged gears? ones. Pick-up PCB...

  • Page 332: Fixing Delivery Unit

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Paper Transport Troubleshooting Paper Jams The paper transport route can be divided into 3 sections: • Pick-up unit • Transfer drum unit • Fixing/delivery unit Accordingly, measures to counter frequent jamming are explained separately for each block.
  • Page 333 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-53 Pick-up unit Cause Step Check Decision Action Paper Is recommended paper being Advise the customer to use used? recommended paper (see User Guide ). Is the paper deformed with Replace the paper. Advise curls, waves, etc.?
  • Page 334 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-53 Pick-up unit (continued) Cause Step Check Decision Action Excessive paper in cassette Is more print paper set in the Advise the user not to set cassette than prescribed? more than the prescribed amount of paper in the cassette.
  • Page 335 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-54 Transfer drum unit Cause Step Check Decision Action Gripper Is the gripper damaged? Replace the gripper. Does the gripper properly Check as follows: open and hold the print paper? • Whether the gripper...

  • Page 336: Oil Applying Unit

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-55 Fixing/delivery unit Cause Step Check Decision Action Fixing roller drive unit Do the fixing rollers rotate Check the fixing roller smoothly? drive unit. Fixing rollers Is the fixing upper roller or the Replace the roller.

  • Page 337: Incomplete Paper Feed

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Incomplete Paper Feed Table 6-56 Multi-feed Cause Step Check Decision Action Paper Is recommended paper being Advise the user to use used? recommended paper (see User Guide). Does it occur in the manual See check from Step 5.
  • Page 338 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-58 Leading-edge fold Cause Step Check Decision Action Paper Is recommended paper being Advise the user to use used? recommended paper (see User Guide). Is the paper curled or otherwise Replace the paper.

  • Page 339: Locations/Roles Of Electrical Parts

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Locations/roles of electrical parts Switches SW2001 CSW3 SW1601 CSW2 CSW1 SW301 SW302 CSW303 CSW302 CSW301 Figure 6-5 Location of printer switches 6-66...
  • Page 340 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-60 Description of switches Switch Code Role Power switch Door switch SW1601 Ejection sensing switch SW2001 Reset switch for mechanical controller PCB CSW1 Cassette-size sensing switch 1 CSW2 Cassette-size sensing switch 2...

  • Page 341: Sensors

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Sensors PS11 PS14 PS11 PS10 PS12 PS13 PS301 PS303 PS302 PS351 PS352 Figure 6-6 Location of printer sensors 6-68...
  • Page 342 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-61 Description of printer sensors Parts Catalog Name Code Role Figure No. Photointerrupter Manual feeding paper detect sensor 312-22 Manual feeding paper size sensor 312-22 Toner cartridge position sensor 108-8 Senses toner against OPC (L) or not...
  • Page 343 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-61 Description of printer sensors (continued) Parts Catalog Name Code Role Figure No. Thermistor Detects the fixing lower roller surface temperature Thermoswitch Detects the fixing upper roller abnormal temperature Detects the fixing lower roller...

  • Page 344: Clutches/Solenoids

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Clutches/Solenoids SL351 Figure 6-7 Location of printer clutches and solenoids 6-71...
  • Page 345 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-62 Description of printer clutches and solenoids Name Code Role Clutch Developing rotary brake clutch Brakes rotation of the rotary Developing unit drive clutch On rotates the rotary, off rotates the...

  • Page 346: Motors

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Motors Figure 6-8 Location of motors and fixing heater 6-73...
  • Page 347 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-63 Description of printer motors Name Code Role Motor Pick-up motor Fixing unit motor Developing unit motor Drum motor Cleaning brush motor Paper feeder motor (Paper feeder) Fan motor Fixing unit fan...

  • Page 348: Pcbs

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide PCBs Figure 6-9 Location of printer PCBs 6-75...
  • Page 349 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Table 6-64 Description of printer PCBs Name Role DC Controller PCB Controls printer functions (Laser/scanner control, image stabilization control, fixing unit temperature control, video interface control, other various detection functions). High-voltage power supply PCB...

  • Page 350: Connectors

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Connectors J2007 J2008 J2005 J114 J851 J802 J2004 J2003 J2009 J2002 J108 J2001 J112 J107 J106 J105 J101 J104 J804 J622 J1001 J631 J632 J633 J1601 J632 J312 J631 J633 J1602 J2022...
  • Page 351 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide J803 J501 J345 J103 J303 J304 J302 J310 J305 J301 J2015 J2016 J28 J22 J1004 Figure 6-11 Location of printer connectors (2 of 3) 6-78...
  • Page 352 Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Figure 6-12 Location of paper tray connectors (3 of 3) 6-79...

  • Page 353: Variable Resistors (Vr), Leds, Test Pins, Jumpers And Switches On Pcb

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Variable Resistors (VR), LEDs, Test Pins, Jumpers, and Switches on PCB Among the variable resistors (VR), LEDs, test pins, jumpers, and switches installed in this printer, only those that need to be serviced in the field are shown below.

  • Page 354: Video Controller Pcb

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Video controller PCB SIMMs SIMMs Ethernet connectors Parallel connector Printer interface EPROM connector SCSI connector connector EEPROM Figure 6-14 Diagram of video controller PCB 6-81...

  • Page 355: Mechanical Controller Pcb

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Mechanical controller PCB J2007 J2008 J2010 J2009 J2022 J2006 1 J2011 1 31 J2021 J2020 J2005 SW2001 J2012 J2004 J2013 J2003 J2014 J2015 J2002 J2016 J2001 J2019 J2018 J2017 SW No. Role...

  • Page 356: High-Voltage Power Supply Pcb

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide High-voltage power supply PCB J1004 J1401 VR1201 J1201 VR1202 VR1001 J1002 J1001 VR No. Role VR1001 Factory use VR1201 VR1202 Figure 6-16 Diagram of the high-voltage power supply PCB 6-83...

  • Page 357: Separation Hvt Pcb

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Separation HVT PCB J1504 J1503 J1505 J1501 VR1501 J1502 J1506 VR No. Role VR1501 Factory use Figure 6-17 Diagram of the separation HVT PCB Ejection sensing PCB SW6001 J1601 J1602 SW No.

  • Page 358: Cassette Size-Sensing Pcb

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Cassette size-sensing PCB J312 SW No. Role Cassette-size sensing switch (See Page 2-65). Figure 6-19 Diagram of the cassette size-sensing PCB 6-85...

  • Page 359: Paper Feeder Driver Pcb

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Paper feeder driver PCB J354 J353 J352 SW302 J351 J355 J356 SW301 SW No. Role SW301 Right door switch SW302 Side registration adjustment switch Figure 6-20 Diagram of the paper feeder driver PCB...

  • Page 360: Checking Network Connections

    Colorwriter LSR 2000 Printer 6: Troubleshooting Service Guide Checking network connections After the printer is connected to networked computers, printing problems may arise if the network hardware or software is not set up properly or doesn’t match network settings configured in printer Setup.

  • Page 362: Specifications

    Appendix A: Specifications Specifications are subject to change with product Note: improvement. Hardware features The printer has the following hardware/software features: • Video controller PCB with 32MB or 48MB of memory (Compression technology allows most pages to print at 600 dpi) •...

  • Page 363: Style

    Colorwriter LSR 2000 Printer Appendix A: Specifications Service Guide Style • Type: Desktop page printer • Printing method: Electrophotography • Optical system Laser: Semiconductor laser Scanning system: Rotating six-faced prism mirror • Scanning pitch Horizontal: 600 dots/inch Vertical: 600 raster lines/inch •...

  • Page 364: Supplies

    Colorwriter LSR 2000 Printer Appendix A: Specifications Service Guide Supplies • Toner cartridge • Drum cartridge • • Silicon oil bottle Paper Feeder • Cassette types: Universal • Cassette capacity: 25mm stack (about 250 pages of 75g/m paper) • Power supply: Universal voltage (100-240V, 50/60Hz) (Voltage tolerance: ±...

  • Page 365: Handling

    Colorwriter LSR 2000 Printer Appendix A: Specifications Service Guide Qualified Transparencies: • Digital LNC1X-AG Letter Size (50/bx) & LNC1X-AH A4 Size (50/bx) Transparencies should be used only in the multipurpose Note: tray. Handling Up to three co-resident media input trays (two cassette and one multipurpose) are available;...

  • Page 366: Fonts

    Colorwriter LSR 2000 Printer Appendix A: Specifications Service Guide Fonts 39 Adobe Type 1 PostScript fonts (additional fonts can be employed using RAM or the Hard Disk). Functions • Printing speed About 3 prints/min. (A4, full color) About 12 prints/min. (A4, mono-color) About 2.5 prints/min.

  • Page 367: Product Life

    Colorwriter LSR 2000 Printer Appendix A: Specifications Service Guide Product life • 5 years in use • Total print volume: 150,000 pages (A4/letter size, full color mode) • Toner/drum: approximately 4,000 pages at 5% toner coverage/page • Cartridge life: approximately 10,000 pages color at continuous...
  • Page 368 Colorwriter LSR 2000 Printer Appendix A: Specifications Service Guide • Average: printing A/A4 paper 100-120 VAC 535W 220-240 VAC 524W • Acoustic noise level (officially announced noise level based on ISO 9296) • Sound power level (1B=10dB): 7.0 B or less (printing), 6.2...

  • Page 369: Emc Standards

    The total voltage variations, including load regulation, ripple and noise shall not exceed +-5% for 5 volts, +-8% for 12 volts EMC standards The LNC01(Colorwriter LSR 2000) meets the following standards for EMC: • LNC01-C2 & A2 — FCC Class B, DOC Class B, VCCI Class 2 •...

  • Page 370: Ac Line Noise

    Colorwriter LSR 2000 Printer Appendix A: Specifications Service Guide AC line noise Operations and displays shall be normal when the following line noise is applied for 5 minutes. • Voltage: 800 V at 50 ohm load • Pulse width: 100 ns and 800 ns •...

  • Page 371: Shock

    • Options paper cassette — 60 cm • Option feeder 55 cm Safety approvals The LNC01 (Colorwriter LSR 2000) meets the following standards: • LNC01-C2 and A2 — CSA 950, UL 1950 • LNC01-C3 and A3 — EN60950, IEC 950...

  • Page 372: Ac Input Power Specifications: Lnc01-A2

    Colorwriter LSR 2000 Printer Appendix A: Specifications Service Guide AC input power specifications: LNC01-A2 Parameter Minimum Type Maximum Units Symbol Nominal voltage — — volts Operational voltage range — volts Nominal frequency — 50/60 — hertz Frequency range — hertz Number of phases —...

  • Page 373: Ac Input Power Specifications: Lnc01-A3

    Colorwriter LSR 2000 Printer Appendix A: Specifications Service Guide • Power cord type: detachable Power inlet type: IEC 320 C14 65 ° C • Power cord • LNC01-CA — North America Includes one power cord 15A @125V 2.5 meters Plug type NEMA 5-15P AC input power specifications: LNC01-A3...
  • Page 374 Colorwriter LSR 2000 Printer Appendix A: Specifications Service Guide Insulation Resistance When 500 Volts DC is applied to the primary line & frame for one minute Parameter Minimum Type Maximum Units Symbol Start-up current — — rms amperes Start-up current duration —...

  • Page 375: Remote Utility Software

    Colorwriter LSR 2000 Printer Appendix A: Specifications Service Guide • LNC01-AZ — Australia and New Zealand Includes one power cord 10A @250V 2.5 meters Plug type AS3112 male 1981 • LNC01-CB — Switzerland Includes one power cord 10A @250V 2.5 meters Plug type SEV 1011 •...

  • Page 376: Appendix B: Maintenance Requirements

    Appendix B: Maintenance Requirements This appendix provides the following information: • Service maintenance • 60K service maintenance • Roller replacement • Service checkpoints • Customer maintenance and checks • Tools needed when servicing the printer and any special tools that may be useful •...

  • Page 377: K Service Maintenance

    Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide 60K service maintenance The table below shows the average life expectancies (number of prints) of parts that may need to be replaced due to degradation or damage during the 60K service maintenance. See the following table and replace the following parts as needed.
  • Page 378 Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide Roller replacement During the 60K maintenance service check printer rollers and replace as needed. Table B-2 Service life of rollers Part name Qty. Service Life Part Number Remarks Feed roller unit 1...
  • Page 379 Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide • Remove manual feeding cover by pulling the cover from the top outward. Once the cover is removed the roller is visible. See step 1 of “To replace the manual feeding pick-up roller (manual feeding tray pick-up unit)”...

  • Page 380: Service Checkpoints

    Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide Service checkpoints Before leaving the customer site it is a good idea to note the following service checkpoints. Table B-3 Service checkpoints Part Point Tool/solvent Remarks Fixing Unit Delivery guide Clean lightly to remove adhered toner.

  • Page 381: Customer Maintenance/Checks

    Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide Customer maintenance/checks Maintenance points that should be performed by the customer to maintain the printer at optimum level are listed below. Table B-4 Customer maintenance procedures Item Customer maintenance Toner cartridge Shake or replace the cartridge as required.
  • Page 382 Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide To replace the waste toner bottle 1. Open the front door. 2. Open the photosensitive drum door. 3. Move the green lever downward to the right and release the transfer drum lock.
  • Page 383 Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide 5. Remove the cap from the new waste toner bottle, and put it in the old bottle.
  • Page 384 Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide 6. Set the new waste toner bottle in place, close the photosensitive drum door, and return the green lever to its original position. 7. Close the front door.
  • Page 385 Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide To replace the fixing oil In order to avoid oil spillage into the printer, the oil should be Note: temporarily removed any time the printer is shifted, moved or relocated.
  • Page 386 Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide 4. Mount the new oil bottle with the label-attached side facing you. 5. Push the oil bottle until it has entered completely. 6. Close the front door. B-11...

  • Page 387: Metrics

    Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide Metrics Metric Value Unit Comments MTTI hours One person MTTR hours Customer interface, diagnostics, r &r MTBF 19.1K hours or 26.2 months MTBPR 39.8 months Fuser pm MTBC years Includes repairs, nmu and PM 40.0...

  • Page 388: Tools You Will Need

    Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide Tools you will need To install or service the printer, you should have the following: Tool name Use/Remarks Tool case Jumper wire With clips Thickness gauge 0.02mm-0.3mm Compression spring scale...

  • Page 389: Special Tools

    Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide Special tools The following tools are recommended for servicing this printer in addition to the standard tools. Tool name Shape Rank Use/Remarks Printer driver tester Used for checking the printer operation, or reading/writing the DC controller internal data.

  • Page 390: List Of Lubricants, Cleaners

    Colorwriter LSR 2000 Printer Appendix B: Maintenance Requirements Service Guide Tool name Shape Rank Use/Remarks Oil storage bottle Used for storing oil. Transfer drum fixing Used for fixing the transfer drum in screw place during distribution. Note: Ranks A—Each service technician should carry one.

  • Page 392: Appendix C: Moving The Printer

    Appendix C: Moving the printer Before moving the printer, follow these guidelines: • Open the photosensitive drum door and remove the waste toner bottle. • Drop the transfer drum lever and remove the drum cartridge. Store the drum cartridge in the drum cover. •...
  • Page 393 Colorwriter LSR 2000 Printer Appendix C: Moving the printer Service Guide To remove the fixing unit 1. Make sure the power switch is off, then open the front door. 2. Remove the oil bottle. Be careful as oil may drip from the bottle. Store it on a flat level surface, away from direct sunlight.
  • Page 394 Colorwriter LSR 2000 Printer Appendix C: Moving the printer Service Guide 2. Withdraw the oil from within the bottle case with the oil removing tool that comes with the printer. Transfer the oil to the oil storage bottle. 3. Remove the black snap-on device to the left of the bar code and then remove any oil from the oil catch tray with the oil removing tool and transfer it to the oil storage bottle.

  • Page 396: Appendix D: Spare Parts

    Appendix D: Spare Parts See below for a list of Electronics for Imaging, Inc. manufactured spare parts. The Electronics for Imaging, Inc. vendor code for these spares is 0105116694. DEC part number EFI part number Description 29-33061-01 10021157 Video controller PCB (without mounting plate or SIMMS)
  • Page 397 Colorwriter LSR 2000 Printer Appendix D: Spare Parts Service Guide See below for a list of Canon manufactured spare parts. The Canon vendor code for these spares is 0018877000. DEC part number Canon part number Description Parts Catalog number Outer Covers...
  • Page 398 Colorwriter LSR 2000 Printer Appendix D: Spare Parts Service Guide DEC part number Canon part number Description Parts Catalog number 29-32942-01 RB1-4578-000 Ozone filter 107-31 29-32943-01 RB1-4515-000 Air filter 107-1A Panels 29-32944-01 RH6-0116-000 Front display unit 100-8L 29-32945-01 RH6-0111-000 Density control panel...
  • Page 399 Colorwriter LSR 2000 Printer Appendix D: Spare Parts Service Guide DEC part number Canon part number Description Parts Catalog number RG5-1170-000 Manual feed roller 312-17 unit 2 29-32962-01 RH7-1223-000 Cassette pickup 311-34B motor 29-32963-01 RH7-5103-000 Cassette registration 311-39 roll clutch...
  • Page 400 Colorwriter LSR 2000 Printer Appendix D: Spare Parts Service Guide DEC part number Canon part number Description Parts Catalog number 29-32970-01 RG5-1234-000 Pick-up PCB 940 all 29-32971-01 RG5-2184-000 Terminal PCB 941 all 29-32972-01 RG5-1216-000 Cassette-size sensor 103-9 assembly RG5-1236-000 Cassette size sensing 971 all, 103-9, &...
  • Page 401 Colorwriter LSR 2000 Printer Appendix D: Spare Parts Service Guide DEC part number Canon part number Description Parts Catalog number 29-32990-01 RH7-5105-000 Gripper solenoid 531-64 FD-29651-01 WG8-0291-000 Attraction sensor 531-36 (PS6) fig 1 29-32991-01 RG5-1156-000 Transfer drum 710 all cleaner unit...
  • Page 402 Colorwriter LSR 2000 Printer Appendix D: Spare Parts Service Guide DEC part number Canon part number Description Parts Catalog number RH7-7059-000 Thermistor 810-41 RG5-1523-000 Cleaning belt unit 810-76 & 830 all RB1-5100-000 Cleaning belt fixing 830-1 (Replacement) roller LNC1X-AF RF5-0944-000...
  • Page 403 Colorwriter LSR 2000 Printer Appendix D: Spare Parts Service Guide DEC part number Canon part number Description Parts Catalog number Miscellaneous 29-33000-01 RY9-0100-000 Hypodermic syringe 29-33001-01 RY9-0101-000 Oil bottle 29-33002-01 RY7-0018-000 Transfer drum fixing screw 29-33004-01 RY9-0095-000 Printer driver tester...

  • Page 404: Appendix E: Accessories And Supplies

    Appendix E: Accessories and Supplies This appendix includes information on optional parts and accessories. Optional paper feeder unit This option (LNC1X-TA) comes with the paper feeder unit, an optional (universal) cassette, and two locking pins to secure the paper feeder unit to the printer body. Locking pins (2) Caution sheet Safety information...

  • Page 405: Memory Upgrade Kits

    Colorwriter LSR 2000 Printer Appendix E: Accessories and Supplies Service Guide Optional cassette Caution sheet Memory upgrade kits The following memory upgrade kits are available: Memory upgrade kit SIMM configuration Part Number 16MB Four 4MB LNC1X-UD 32MB Four 8MB LNC1X-UE Instructions for installing the SIMMs are included in the kit itself.

  • Page 406: Silicone Oil

    Colorwriter LSR 2000 Printer Appendix E: Accessories and Supplies Service Guide Each color toner cartridge typically lasts for about 4,000 Note: prints of A4- or Letter-size paper (when printing at 5% print density). The actual cartridge life, however, depends on how much toner of each toner cartridge is used for each print;...

  • Page 407: Drum Cartridge Kit

    Colorwriter LSR 2000 Printer Appendix E: Accessories and Supplies Service Guide A Material Safety Data Sheet is available for silicone oil. The oil is very slippery, and may present a skidding or slipping hazard. Following a spill or leak, use absorbent material to contain and collect excess oil for salvage or disposal.

  • Page 408: Transparency Film

    Transparency film For optimum printing results, use only the transparency film specifically for the Colorwriter LSR 2000. Under no circumstances should this type of transparency film be used with other laser printers In addition, remember to feed transparencies via the multipurpose tray only.

  • Page 410: Appendix F: Related Documentation

    Appendix F: Related Documentation The list below contains Digital documents associated with PostScript and the Colorwriter LSR 2000 printer and their respective order numbers. Document title/description Order number English Whole kit EK-LSRCW-DK Getting Started EK-LSRCW-GS User Guide EK-LSRCW-UG Quick Reference card...

  • Page 411: Technical Support

    EK-LSRCJ-RC PostScript Language Addendum EK-LSRCJ-PS Release Notes EK-LSRCJ-RN In addition to the specific Colorwriter LSR 2000 printer documentation listed above, the following documents provide general PostScript language information: • PostScript Language Reference Manual Supplement for Version 2013 by Adobe Systems Incorporated, March 31, 1993.

  • Page 412: Telephone And Direct Mail Orders

    Colorwriter LSR 2000 Printer Appendix F: Related Documentation Service Guide Telephone and direct mail orders Customers can order additional documents by phone or by mail: • In the U.S.A. call DECdirect 1-800-DIGITAL (1-800-344-4825) or write: Digital Equipment Corporation Merrimack Communications Center P.O.

  • Page 414: Index

    Index Symbols bottle case unit 5-90 5-114 – +/-key 2-1 buttons – +/- 2-1 Numerics cancel 2-7 10Base-T connector 5-120 – COLOR SELECT 2-1 – description 2-8 down 2-7 ACA Cntl Reg 6-8 6-11 – ENTER 2-1 ACA DMA Adr 6-8 6-11 enter 2-7 ACA DMA Cnfg 6-8...
  • Page 415 Colorwriter LSR 2000 Printer Service Guide circuit controller, fan 5-19 5-21 cleaning brush motor drive 3-95 covers density sensing 3-72 external paper feeder 5-153 developing 3-69 fixing unit 1-5 developing motor drive 3-68 fixing unit, removing 5-7 drum motor drive 3-94 inner 5-3 –...
  • Page 416 Colorwriter LSR 2000 Printer Service Guide detection RTC Self 6-8 6-10 developing fault 3-67 RTC Set 6-8 6-10 fixing unit abnormality 3-105 RTC Start 6-8 6-10 fixing unit errors 3-101 running manually 6-9 paper jams 3-112 SCSI Cmd Reg 6-9...
  • Page 417 Colorwriter LSR 2000 Printer Service Guide discharge EPROM 5-120 6-10 – block 3-40 3-41 EPS files, printing 1-7 roller 1-6 3-42 3-52 3-93 5-58 5-64 errors roller press cam 3-12 fixing 3-101 roller press drive, removing 5-33 fixing heater 3-101...
  • Page 418 Colorwriter LSR 2000 Printer Service Guide feed roller floppy disks, user software 1-7 1 and 2 3-12 fonts 1-7 – removing 5-57 5-158 5-160 four-color transfer process 3-26 3-27 unit 2, replacing 5-46 front door 1-5 feed system 1-3 functions...
  • Page 419 Colorwriter LSR 2000 Printer Service Guide installing location oil bottle 4-11 printer xv optional paper feeder unit 4-13 requirements xv photosensitive drum 4-2 printer 4-1 – M LED 2-1 toner cartridges 4-7 maintenance C-3 waste toner bottle 4-6 manual IP address xviii...
  • Page 420 Colorwriter LSR 2000 Printer Service Guide – gripper 3-36 3-37 – OHP 3-82 3-97 3-98 3-117 handling 1-1 initial residual 3-118 applying roller 1-6 3-12 jam 3-112 6-59 applying unit 5-90 5-110 manual feed 3-79 bottle xviii 5-114 manual feeding paper lifting cam 3-12...
  • Page 421 Colorwriter LSR 2000 Printer Service Guide oil pump 3-12 pick-up motor paper capacity indicator 1-5 cassette pick-up roller 3-12 paper cassette 1-5 description 3-12 paper feeder 1-5 feed roller 3-12 photosensitive drum 1-6 3-25 3-36 manual feeding paper lifting cam 3-12...
  • Page 422 Colorwriter LSR 2000 Printer Service Guide printing developing unit motor 5-26 attraction 3-37 discharge roller 5-64 – discharge roller press drive unit 5-33 developing 3-35 3-58 3-61 developing bias 3-48 display panel 5-17 developing block 3-34 drive unit 5-28 discharge 3-42 drum cartridge 5-80 –...
  • Page 423 Colorwriter LSR 2000 Printer Service Guide separation HVT PCB 5-144 registration 1-3 3-12 separation roller 5-56 5-156 registration (upper/lower), removing 5-52 separation sensor 5-67 registration clutch, removing 5-51 silicone oil from printer C-3 replacement B-3 temperature/humidity sensor 5-145 separation 3-12...
  • Page 424 Colorwriter LSR 2000 Printer Service Guide separation 3-39 solenoids charging unit 1-6 cassette feed, removing 5-55 charging unit, removing 5-83 cleaning belt, removing 5-76 claw 1-6 description 6-72 claw solenoid 5-58 5-67 gripper 5-58 claw unit 5-58 gripper, removing 5-72...
  • Page 425 Colorwriter LSR 2000 Printer Service Guide status messages, printer control panel 2-9 toner – stirring cartridge 1-1 3-25 3-29 3-58 3-59 3-62 – plate 3-29 5-84 5-85 – toner 1-3 3-29 3-30 cartridge installation detection 1-3 3-30 supplies cartridge separation 3-63...
  • Page 426 Colorwriter LSR 2000 Printer Service Guide trays voltage 3-45 face-down 1-5 attraction roller 3-52 face-up 1-5 developing bias 3-48 face-up, removing 5-9 diagram 3-46 3-48 – manual feeding 1-5 5-42 discharge roller 3-52 manual feeding pick-up 5-39 separation charging unit 3-53...

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