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Digital Equipment LSR 2000 Service Manual Download Page 139

3: Operation

Colorwriter LSR 2000 Printer
Service Guide

3-101

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). If it detects any abnormal value, it will notify the
video controller of a fixing heater error and then shut off the
power supplied to the heater.

•

If the fixing temperature rises abnormally and the temperature
detected by the thermistor exceeds 217

°

C, the safety circuit will

shut off the power supplied to the fixing heater irrespective of
the output from the CPU. Simultaneously, the CPU recognizes
it as a power supply error and notifies the video controller.

•

If the fixing temperature abnormally increases and the
temperature of the thermoswitch exceeds about 230

°

C, the

thermoswitch will be turned off to shut off the power supplied
to the fixing heater.

Detecting fixing unit errors

Fixing unit errors are detected by:

•

The CPU on the DC controller

•

Fixing heater safety circuit within the power supply circuit

•

Fixing unit abnormality detection circuit within the power
supply circuit

If the CPU on the DC controller detects a fixing heater
error

If the fixing unit is abnormally heated or the fixing unit does not
reach the specified temperature for some reason, the DC controller
will store a fixing heater error and then shut off the power supplied
to the heater.

The DC controller notifies the video controller of this fixing heater
error. The DC controller measures the time elapsed after the power
is turned off. If a fixing heater error occurs and then the power is
turned ON within 30 minutes after having been turned off, the
CPU will determine that the temperature of the fixing heater is not
low enough and keep the fixing heater off.

The CPU recognizes any of the following situations as a fixing
heater error:

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Summary of Contents for LSR 2000

Page 1: ...C OLOR W RI TER LSR 2000 P R IN TE R S ERV IC E G UI DE Part Number EK LSRCW SV A01 Digital Equipment Corporation Maynard Massachusetts This document was created with FrameMaker 4 0 4 ...

Page 2: ......

Page 3: ... in contract tort including negligence product liability or otherwise will be limited to 50 Restricted Rights Legends For defense agencies Restricted Rights Legend Use reproduction or disclosure is subject to restrictions set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at 252 227 7013 For civilian agencies Restricted Rights Legend Use reproduction or d...

Page 4: ...r Imaging and its suppliers Except as stated above this Agreement does not grant you any right to patents copyrights trade secrets trademarks whether registered or unregistered or any other rights franchises or licenses in respect of the Software Coded Font Programs Typefaces Trademarks or accompanying documentation You may not adapt or use any trademark or trade name which is likely to be similar...

Page 5: ... in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more ...

Page 6: ...s adjustments or performance of procedures other than those specified in this manual may result in hazardous laser radiation exposure WARNING The label shown above is intended as a warning to persons disassembling the Raster Laser Scanner unit for internal alignment or repair purposes It does not apply to any of the maintenance procedures specified in this manual CDRH Regulations The Center for De...

Page 7: ...es 1 2 Parts of the printer 1 5 Print options 1 7 Client utility software 1 7 Chapter 2 Using the Control Panels Using the density control panel 2 1 Density adjustment 2 2 Test patterns 2 3 Separation voltage control designation 2 5 Edge registration 2 6 Using the printer control panel 2 7 Activity lights 2 8 Display window 2 8 Buttons 2 8 Error messages 2 9 Menu options 2 10 Chapter 3 Operation O...

Page 8: ...120 Power supply 3 121 Remote switch 3 123 Protection function 3 123 Paper feeder 3 124 Electrical circuit 3 124 Paper feeder driver input output 3 125 Pick up feed system 3 126 Chapter 4 Installation Overview Removing printer shipping materials 4 1 Installing the photosensitive drum 4 2 Installing the waste toner bottle 4 5 Installing the toner cartridges 4 7 Installing the silicone oil bottle 4 ...

Page 9: ... pick up unit 5 39 Manual feed solenoid 5 42 Manual feeding pick up roller 5 43 Separation pad 5 44 Feed roller unit 2 5 46 Pick up motor 5 48 Registration roller clutch 5 51 Registration upper lower rollers 5 52 Cassette feed solenoid 5 55 Separation roller 5 56 Feed roller 1 5 57 Transfer Drum Holder Unit 5 58 Exposure system 5 78 Laser scanner unit 5 78 Charging system 5 79 Drum cartridge 5 79 ...

Page 10: ...ensing PCB 5 167 Installing system software 5 170 Installing system software 5 170 Chapter 6 Troubleshooting Procedures Preliminary on site checkout 6 1 Checking the cables 6 1 Checking the installation environment 6 2 Checking the print paper 6 2 Checking consumable materials 6 2 Checking the charging unit 6 2 Other 6 3 Checking for paper jams 6 3 Start up diagnostics and error messages 6 7 Selec...

Page 11: ...6 83 Separation HVT PCB 6 84 Ejection sensing PCB 6 84 Cassette size sensing PCB 6 85 Paper feeder driver PCB 6 86 Checking network connections 6 87 Appendix A Specifications Hardware features A 1 Networking and connectivity A 1 Style A 2 Options A 2 Supplies A 3 Paper A 3 Feeder A 3 Types A 3 Handling A 4 Fonts A 5 Functions A 5 Additional functions A 5 Product life A 6 Environmental A 6 EMC stan...

Page 12: ... checks B 6 Metrics B 12 Usage model B 12 Paper feed reliability B 12 Tools you will need B 13 Special tools B 14 List of Lubricants Cleaners B 15 Appendix C Moving the printer Appendix D Spare Parts Appendix E Accessories and Supplies Optional paper feeder unit E 1 Memory upgrade kits E 2 Ordering consumables E 2 Toner cartridges E 2 Silicone oil E 3 Drum cartridge kit E 4 Transparency film E 5 P...

Page 13: ...tailed information on how the printer functions Chapter 4 Service Procedures describes removal and replacement procedures for Colorwriter components Chapter 5 Troubleshooting Procedures identifies the source of common problems that may occur with the printer and suggests ways of correcting them Colorwriter customers should not use the technical service documentation Please don t leave your copy of...

Page 14: ...u to change color density print test patterns adjust separation voltage control designation and to adjust edge registration The term PC compatible refers to any IBM PC compatible computer capable of running MS DOS version 5 0 or later The term PC based server refers to any device that may be connected to the Colorwriter for parallel printing The arrow highlights important notes and additional info...

Page 15: ...er off before unplugging the power cable Handle all PCBs printed circuit boards by their edges only but avoid touching the contacts on the edge of the board Choosing a location for the Colorwriter Do not expose the printer to a wet environment Do not directly expose the printer to a chemical environment for example an experimental laboratory The exterior of the printer is made of plastic and the o...

Page 16: ... overheating a short circuit or fire Be sure to plug the power cord well into the power outlet as any flammable material caught between an opening may result in fire Avoid using an extension cord If it is unavoidable be sure to take the following precautions Failure to do this may lead to overheating fire or cause flickering due to a drop in voltage Be sure not to exceed the allowed rating current...

Page 17: ...lete outlet Do not defeat the purpose of the grounding type plug If the printer will not be used for a long period of time turn the power off and unplug the power cord Unplug the printer from the wall outlet before cleaning Use a damp cloth for cleaning Do not spray liquid cleaners or aerosol cleaners directly on the cabinet or the openings as the spray could penetrate inside the printer and conta...

Page 18: ...n altering termination installing or removing networking hardware or software or shutting down networked devices without the knowledge and express permission of the system or network administrator or the shop supervisor Never enter an IP address in Colorwriter Network Setup Only the network administrator should enter an IP address on a network device Assigning a Colorwriter an incorrect IP address...

Page 19: ...taken Install the printer in a well ventilated room Avoid using multiple laser printers simultaneously Avoid facing the exhaust port directly toward users Replace a disposable ozone filter after about 60 000 prints Avoid using the printer without a filter Laser safety An invisible laser beam is radiated in the laser scanner unit and could be hazardous to the human body if exposed to it For this re...

Page 20: ...nce 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 Toner easily decomposes vinyl material therefore you should not let it come into contact with this material ...

Page 21: ... black using the black toner cartridge High resolution The 600 dpi resolution gives you crisp clean and laser sharp output in full color High print speed The printer prints at 3 letter sized pages per minute in full color or 12 letter sized pages per minute in monocolor using one of the toner cartridges Overhead transparencies are printed at 1 page per minute Flexible paper handling The supplied p...

Page 22: ... a print command from an external networked device the command is sent to the DC controller and the mechanical controller which begins the printing process These boards control the engines that perform the printing process Laser Scanner system once printing has begun the DC controller begins to stabilize the intensity of the laser beam The laser beam strikes the scanning mirror which rotates at a ...

Page 23: ...emoves the surface charge This printer is also equipped with toner cartridge installation detection toner low detection toner stirring and photosensitive drum life detection functions Note The cleaning brush is activated after 100 prints Pick up Feed system When a print job is sent to the printer a sheet of paper is picked up by either the cassette or manual feeding pick up roller fed by the feed ...

Page 24: ...ng unit Primary charging roller IMAGE FORMATION SYSTEM Cassette Pick up control unit Manual feeding tray Paper feeder optional Photo sensitive drum LASER SCANNER SYSTEM Face up delivery tray Attraction roller Discharge roller Transfer drum cleaning unit Transfer drum Separation charging unit Scanning mirror Laser diode Beam position detector Mechanical controller PCB DC controller PCB Terminal PCB...

Page 25: ... 4 5 6 7 8 9 10 14 13 12 11 1 Oil bottle 2 Upper cover 3 Release knob 4 Fixing unit cover 5 Face up tray 6 Power cable 7 Power receptacle 8 Manual feeding tray 9 Paper feeder right door 10 Pick up cover 11 Power switch 12 Paper feeder 13 Paper capacity indicator 14 Cassette 15 Front door 16 Printer Control Panel 17 Face down tray ...

Page 26: ...aration charging unit 10 Separation claw 11 Oil applying roller 12 Cleaning belt 13 Face down delivery roller 14 Fixing upper roller 15 Fixing lower roller 16 Fixing delivery roller 17 Manual feeding tray 18 Manual feeding pick up roller 19 Separation pad 20 Cleaning brush 21 Cassette pick up roller 22 Discharge roller 23 Registration rollers 24 Transfer drum 25 Attraction roller 26 Cassette 21 20...

Page 27: ...om the DOS prompt or the Windows File Manager Client utility software Colorwriter users who are working with Macintosh and PC compatible computers using AppleTalk can download fonts and flies scan color images and control spooled print jobs using client software delivered with the Colorwriter The network administrator at the customer site is responsible for loading software onto computers that wil...

Page 28: ...ures of the Colorwriter Color reference pages allow users to print CMYK and PANTONE color swatches to view the range of colors available on the Colorwriter The CD ROM contains the Fiery Print Calibrator printer calibration software that runs on the Macintosh The CD includes an online user guide for the Fiery Print Calibrator and Adobe Acrobat Reader software for viewing and printing the user guide...

Page 29: ...jobs and display status information about the printer Using the density control panel This section describes the density control panel on the back of the printer Once the printer is installed and powers up correctly you can use the density control panel to change color density settings test pattern pages and separation voltage control designation or to adjust edge registration Figure 2 1 Density c...

Page 30: ...C Y Bk in order to change the density Density gauge Indicates the currently selected color density or test print pattern M The color indicator lights when Magenta has been selected C The color indicator lights when Cyan has been selected Y The color indicator lights when Yellow has been selected Bk The color indicator lights when Black has been selected Density adjustment Use the following procedu...

Page 31: ...o OFF and only the density gauge default LED middle lights if all the colors are set at the factory shipping value Otherwise all LEDs will go OFF If you press the and keys for at least 5 seconds all color densities are initialized to the default settings and the panel enters OFF mode Test patterns When the printer is Ready or idle you can print a test pattern to check printer color quality Six tes...

Page 32: ...select a test pattern See Figure 2 4 below for the correspondence between the density gauge LEDs and the test patterns available If you select a test pattern different from the one currently selected the density gauge LED for the selected pattern will flash Figure 2 4 Density gauge LEDs for test patterns 3 Press the ENTER key to save the changes The LED stops flashing to indicate that the new test...

Page 33: ... to select the separation voltage control method See Figure 2 6 below for the correspondence between the density gauge LEDs and the available separation voltage control methods If you change the current selection the density gauge LED flashes Figure 2 6 Density gauge LEDs for separation voltage control 3 Press the ENTER key to save changes The density gauge LED stops flashing to indicate that the ...

Page 34: ...LECT key to select one of the adjustment options see Figure 2 8 below As you select the different options their adjustment value appears on the density gauge Figure 2 8 Color select LEDs for adjustment options 4 Press the and keys to change the edge registration adjustment value If you change the edge registration adjustment value the density gauge LED flashes The relationship between each adjustm...

Page 35: ...ddle will light up if all adjustment values are at the ROM default value Otherwise all will go OFF Press only the and keys for at least five seconds to initialize all adjustment values as default and the panel will enter the OFF state Using the printer control panel The printer control panel on the front of the printer enables you to set options and view information about print jobs in addition to...

Page 36: ...n there is an error that prevents printing Solid when there is a warning that allows printing to continue for example a low toner message Lit when the main upper paper cassette is selected as the default tray or requested by the current print job Lit when the optional lower paper cassette is selected as the default tray or requested by the current print job Lit when multipurpose tray is selected a...

Page 37: ...n error message appears in the display window You can press the Menu button while the Error message is displayed to see other Display window screens If the Fault light is solid it means that the printer requires attention but printing can continue for example a low toner message Takes you to another entry in the list In a fixed length list takes you to the previous item in the list When entering t...

Page 38: ...ter The following information also appears printer name product name system software version memory configuration Ethernet address default paper size and whether the optional cassette is installed Job Log Prints the log of the last 40 jobs For information on the fields in the Job Log and on printing it in other forms see the section on using the job log with the Macintosh or Windows Fiery XJ Spool...

Page 39: ...lack and white lines The flow of control signals are indicated by solid arrows and the flow of groups of signals are indicated by outlined arrows H or a signal name without a slash in front of it such as PSNS indicates active high signals L or a signal name with a slash in front of it such as SCNON indicates active low signals Note The internal operation of the microcomputer in the Colorwriter can...

Page 40: ...g unit Primary charging roller IMAGE FORMATION SYSTEM Cassette Pick up control unit Manual feeding tray Paper feeder optional Photo sensitive drum LASER SCANNER SYSTEM Face up delivery tray Attraction roller Discharge roller Transfer drum cleaning unit Transfer drum Separation charging unit Scanning mirror Laser diode Beam position detector Mechanical controller PCB DC controller PCB Terminal PCB ...

Page 41: ...tion Set Computer CPU with a built in floating point accelerator that runs the CPSI Configurable PostScript Interpreter The CPSI an implementation of Adobe s PostScript language interprets the PostScript page description file to produce the image pattern in memory The Fiery RipChips on the video controller board control data management and other system functions freeing up the CPU for efficient im...

Page 42: ...ner motor BD PCB Laser scanner unit Laser driver PCB Temperature humidity sensing PCB Various fan motors Various sensors solenoids clutches Primary charging roller Developing bias Transfer charging roller Attraction roller Pick up PCB Developing unit motor Drum motor Cleaning brush motor Discharge roller Separation charging unit Fixing heaters upper lower Low voltage power supply AC driver circuit...

Page 43: ...Video interface control Mechanical controller PCB The mechanical controller PCB controls the various loads in response to signals received from the DC controller PCB The mechanical controller then returns the status signals back to the DC controller The mechanical controller controls the pick up PCB the high voltage power supply PCB and the paper feeder driver PCB via serial communication The mech...

Page 44: ...age 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 on page 3 54 Waste toner collect system control see Figure 3 33 on page 3 44 Power saving mode control see Power supply on page 3 121 ...

Page 45: ...proportion to the laser power 22 VDOENB LSON NHD SCK1 M1 to M8 17 9 1 3 4 5 6 7 13 15 11 J110 7 5 11 13 15 17 19 21 23 25 L to switch ON the laser diode forcibly Analog signals are output to control the laser power Video data signals 9 LEDON OILSNS H when oil runs out WEBSNS H when the cleaning belt has run out TOPREG 5V H switched to L when the TOP position of the transfer drum is detected L swit...

Page 46: ... lower heater H2 FXROF FXENB Relay L to turn ON the fixing lower heater The fixing heater can be turned ON when pulses are output L to turn OFF the relay H when the safety circuit turns OFF the relay Safety circuit 5V 5V L when the fixing unit is properly installed H when improperly installed pulse signal when fixing heater is ON L when the fixing unit is installed Thermoswitch TP1 TP2 Thermistor ...

Page 47: ... DSNS DSEL 24V J103 14 1 2 3 J2005 5 4 2 1 3 D0 to D7 DENB 5 6 7 8 9 10 11 12 13 4 5V HUMIDITY SENSOR signal TEMPERATURE SENSOR signal DENSITY SENSOR signal H to enter the color toner density sensing mode L to enter the black toner density sensing mode LED POWER CONTROL signal L to turn ON the LED Density adjustment panel J112 6 7 9 8 10 J73 1 2 4 3 5 Serial communications J108 1 to 8 Mechanical c...

Page 48: ...n ON CL1 braking the developing rotary H when oil overflows from oil pan 2 H when print paper is detected L to turn ON SL6 operating the attraction roller press cam This solenoid is used to control the pressing separation between the attraction roller and the transfer drum L to turn ON SL7 operating the transfer drum press cam This solenoid is used to control the pressing separation between the ph...

Page 49: ...SNS DC controller PCB Transfer drum unit H when print paper is rolled around the transfer drum DEVELOPING UNIT MOTOR DRIVE signal DRUM MOTOR DRIVE signal COMA COMB AO BO BO AO M2 Fixing unit motor 5 J2013 6 7 MLOW MRDY MON L to turn ON the fixing unit motor L when the fixing unit motor rotates normally L to rotate the fixing unit motor at the normal speed H to operate it at half speed J2015 1 2 4 ...

Page 50: ...ller Separation roller Registration roller Manual feeding pick up roller Manual feeding paper lifting cam Feed rollers 1 and 2 Fixing unit motor The fixing unit motor is a DC brushless motor It is controlled by the CPU on the mechanical controller PCB to operate the fixing unit the face down delivery unit the transfer drum and their peripheral components The fixing unit motor is responsible for op...

Page 51: ... controller PCB It is used to operate the developing rotary and the sleeve in the toner cartridge Cleaning brush motor The cleaning brush motor is a DC motor It is controlled by the CPU on the mechanical controller PCB to operate the cleaning brush Scanner motor The scanner motor is a three phase eight pole DC brushless motor with a built in Hall element Located in the laser scanner unit it is con...

Page 52: ...not reported to the control panel WAIT WAIT period From the end of INITIALIZATION period until the fixing roller temperature reaches the target value This period finishes within 5 minutes at a room temperature of 20 C To warm up the fixing roller and put the printer in a STANDBY state During this period the printer checks for jammed paper and whether the toner cartridge is installed It stabilizes ...

Page 53: ...ce command to its mechanical controller PRINT Print From the end of the INTR period and the subsequent completion of transfer until the transfer drum rotates to its registration position To form an image on the photosensitive drum according to the VDO signal input from the video controller and to transfer the image onto paper LSTR LAST ROTATIONS period From the end of the PRINT period until the ma...

Page 54: ... the laser scanner unit output from the PWM IC the laser driver circuit turns the laser diode on and off to produce the modulated laser beam The modulated laser beam is converted to a parallel beam with the collimator lens and cylindrical lens The beam then strikes the scanning mirror which is rotating at a constant speed The laser beam reflected by the scanning mirror focuses on the photosensitiv...

Page 55: ...In the full color mode the video controller sends the video signals in the order of M C Y and Bk to the DC controller In the mono color mode it only sends the video signals for a single color The video signals VDO0 VDO7 and the IMCHR signal sent to the DC controller by the video controller are sent to the gate array IC109 via IC111 line memory IC109 processes VDO0 VDO7 to perform the image masking...

Page 56: ... ideal half tone image can be obtained This allows the video signals VDO0 VDO7 sent by the video controller to be corrected and converted to the video data signals Dv2 Dv9 Subsequently they are output to the laser driver Note The Colorwriter includes a function whereby a distinctive pattern stored in the DC controller is invisibly marked on every printout If this printer should be used for printou...

Page 57: ... laser driver PCB Based on the above signals the PWM IC produces laser drive signals with a pulse width corresponding to the half tone and then sends them to the laser driver circuit At this time when the forcible laser on signal LSON sent to the laser driver circuit is H and the video enable G A IC109 DC controller PCB M1 to 8 PD LD VDOENB Dv2 to 9 CPU VDO7 to 0 Switching circuit Current voltage ...

Page 58: ...etween pages APC Initial APC This printer performs the initial APC in the following steps while it is executing the initial rotations When the APC enable signal APCENB is L the CPU decreases the output values of the laser power control signals APCLW and APCUP to zero After resetting the laser current the CPU rotates the scanner motor Note The APCENB signal becomes L when the 5V and 24V power suppl...

Page 59: ...n reaching the scanning start position the laser beam is reflected by the BD mirror to the BD PCB in the laser scanner unit during the unblanking period On receiving the laser beam the BD PCB generates the beam detect input signal BDI and then sends it to the gate array in the DC controller PCB The gate array produces the horizontal Sync signal LSYNC based on the BDI signal and then sends it to th...

Page 60: ...nual feed the printer does not recognize the paper width So the T1 and T2 values are assumed to be legal size the maximum paper width for this printer When the leading edge of the paper has passed through the paper top sensor PS303 the CPU determines the paper size that has been fed from the paper length detected by PS303 Subsequently the image is masked based on the detected paper size Left right...

Page 61: ... by the DC controller the scanner driver rotates the scanner motor Scanner motor circuit The scanner motor is a three phase 8 pole DC brushless motor with a hall element It is incorporated in a single unit with the scanner driver which controls it to rotate at a constant speed When the printer is turned ON the oscillation frequency of the crystal oscillator X103 is divided by the gate array IC109 ...

Page 62: ... signal becomes L The CPU on the DC controller monitors the SCNRDY signal via the gate array to determine whether or not the scanner motor is rotating at the specified speed If the scanner motor fails to reach the specified speed within 30 seconds after it starts rotation the CPU will stop it and notify the video controller of a scanner failure DC controller PCB CPU IC101 Gate array IC109 Scanner ...

Page 63: ...arge roller and transfer drum in sequence The primary charging roller negatively charges the entire surface of the photosensitive drum uniformly while the laser diode irradiates the laser beam modulated by the video data signals 8 bits onto the surface of the photosensitive drum The latent image formed across the photosensitive drum is made visible by the toner from the toner cartridge and is tran...

Page 64: ...he drum potential is kept uniform by the primary charging roller in preparation for forming a new latent image The transfer drum surface is also cleaned with a cleaning brush that removes remaining toner The discharge roller removes the surface charge The Colorwriter is also equipped with toner cartridge installation detection toner low detection toner stirring and photosensitive drum life detecti...

Page 65: ...Yellow Black Paper Photosensitive drum Attraction roller Discharge roller Cleaning brush 1st color Magenta Cyan Yellow Black 2nd color Magenta Cyan Yellow Black 3rd color Magenta Cyan Yellow Black 4th color Toner cartridge Separation claw Transfer drum Cleaning brush is operated after a prescribed number of prints ...

Page 66: ...f the primary charging roller photosensitive drum and cleaner unit Figure 3 16 Drum cartridge side view The external surface of the photosensitive drum is a photoconductive layer with an organic photoconductive OPC The inner side is an aluminum substrate The primary charging roller is made of a medium resistance rubber and operates in coordination with the photosensitive drum Photosensitive drum P...

Page 67: ... to the cylinder from the toner container The stirrer consists of a stirring plate and a toner feed roller The toner feed roller applies the toner to the developing cylinder as well as scraping the undeveloped toner off the cylinder The toner stirring command is sent from the DC controller to the mechanical controller after power ON or after replacing the toner cartridge The 4 color toner cartridg...

Page 68: ...tirring plate inside the toner container scrapes the toner near the window so as to let the light pass through the cartridge The light then passes through the toner container and is detected by photodiode of PS11 on the developing rotary The time required for the toner to build up enough to cover the window so light cannot pass through the window is measured If the amount of time for light to pass...

Page 69: ...he LED of PS11 is intercepted by the cartridge therefore not able to reach the photodiode of PS11 If the light is detected at the photodiode the video controller is notified of a toner cartridge absence failure Figure 3 20 Toner cartridge installation detection Window Stirring plate Toner sensor PS11 LED TONER SENSOR PS11 Photodiode Toner Window Normal Toner low Toner sensor PS11 Photodiode Toner ...

Page 70: ...leaning block 1 Primary charging 2 Scanning exposure 3 Developing Manual feeding tray Registration Fixing block Transfer block Electrostatic latent image formation block Developing block Cassette 10 Drum cleaning Flow of paper Direction of photosensitive drum rotation 7 Separation 6 Transfer 5 Attraction 11 Fixing Paper delivery 9 Discharge 4 Grip Transfer drum cleaning discharge block 8 Cleaning ...

Page 71: ...trostatic latent image formation Step 1 Primary charging As a preliminary step for forming the latent image the surface of the photosensitive drum is uniformly charged with negative potential The primary charging is done by directly imparting charges onto the photosensitive drum In order to keep the surface potential uniformly charged on the surface of the photosensitive drum AC bias is superimpos...

Page 72: ... is neutralized and becomes an electrostatic latent image Figure 3 24 Laser beam exposure Developing block In this block the toner is on the electrostatic latent image on the photosensitive drum making the image visible The Colorwriter performs toner projection development by means of a single component developing process Photosensitive drum Primary charging roller AC bias DC bias Laser beam Dark ...

Page 73: ... the photosensitive drum is higher in potential than the toner negatively charged on the cylinder the toner jumps across and adheres to the drum surface due to the difference in potential This effect is called toner projection development and makes the electrostatic latent image on the photosensitive drum surface visible AC bias is applied to the developing cylinder for ease in projecting toner to...

Page 74: ...onto the paper Step 4 Paper held by gripper When the paper reaches the transfer drum its leading edge is held by the gripper so that the paper is retained on the transfer drum surface The leading edge of the paper is held by the gripper therefore approximately 8mm from the leading edge remains blank Photosensitive drum Developing cylinder Blade Stirring plate AC bias DC bias Toner feed roller ...

Page 75: ...ws from the transfer drum upon completion of the transfer operation of the first color For mono color and continuous print operation the attraction roller is separated from the transfer drum upon completion of a single page transfer and returns to the drum before the transfer step for the next page starts DC bias is applied to the attraction roller The value of the DC bias varies according to the ...

Page 76: ...l aluminum cylinder covered with a conductive elastic sponge layer and an external insulating transfer sheet DC bias is applied to the transfer drum The value of the DC bias varies according to the environment change correction control see Environment change correction control on page 3 69 In full color mode as the transfer steps proceed with the first color second color and so on the transfer for...

Page 77: ...e leading edge of the paper is pushed up by the gripper and the paper is separated from the transfer drum surface by the separation claw In a low temperature low humidity environment the separation charging unit is activated following the transfer operation to produce AC corona charges for the prevention of image deformation Photosensitive drum Transfer drum Paper Transfer sheet Elastic sponge lay...

Page 78: ...page 3 69 is completed the toner has adhered to the transfer drum In this block the transfer drum surface is cleaned to eliminate any chances of smearing on the reverse side of the paper or to prevent faulty attraction Also even when the paper has separated electric charges remain on the transfer drum surface This will result in faulty attraction and poor transfer therefore discharging is another ...

Page 79: ... from the drum When the image density detection is completed the transfer drum is rotated twice to clean the density sensing pattern off See Maximum density control on page 3 69 Figure 3 30 Transfer drum cleaning Step 9 Discharge AC bias is applied by the discharge roller to eliminate any charges remaining on the transfer drum surface after separation of the paper The value of the AC bias varies a...

Page 80: ...paration for the next printing operation the toner remaining on the photosensitive drum surface is scraped by the cleaner blade to clean the drum The scraped off toner particles are trapped with the sweeper strip and collected in the waste toner bottle The toner transport plate and the waste toner transport screw move the toner to the waste toner bottle The waste toner transport screw is driven by...

Page 81: ...sensor PS12 housed in the photosensitive drum door When the waste toner bottle fills the DC controller notifies the video controller of the waste toner full condition Waste toner bottle Photosensitive drum Toner transport plate Waste toner transport screw Sweeper strip Cleaning blade Primary charging roller Waste toner transport screw Photosensitive drum ...

Page 82: ...Step 11 Fixing The surface of the fixing roller is coated with a silicone layer which has an excellent offset prevention performance The cleaning belt is used to remove toner stains from the fixing upper roller surface The thermistor makes contact with the fixing lower roller to detect the fixing temperature The lower roller has a cleaning blade which prevents oil and the offset toner from adherin...

Page 83: ...roller in response to the commands from the mechanical controller The primary charging roller developing cylinder and separation charging unit are charged with superimposed DC and AC voltages The transfer drum is charged with a positive DC voltage The attraction roller is charged with voltage with negative DC voltage being superimposed onto the transfer voltage The discharge roller is charged with...

Page 84: ...t Transfer voltage generation circuit AC voltage generation circuit DC voltage generation circuit AC bias generation circuit High voltage control IC1003 Mechanical controller PCB DC controller PCB DC bias generation circuit Developing cylinder Attraction roller Discharge roller Separation charging unit Transfer drum Primary charging roller DC voltage generation circuit Discharge voltage generation...

Page 85: ...e HV1AC0 signal alters the primary charging voltage AC current value according to the environment detected by the environment change correction control see Environment change correction control on page 3 69 The output value of the HV1PWM signal remains constant For the initial rotations IC1003 sets the HV1DC1 signal to L and the HV1DC0 signal to L to apply between colors bias between pages bias to...

Page 86: ...nder After the specified period of time has elapsed the developing bias ac drive signal DEVAVE goes L and the voltage superimposing Primary charging roller voltage generation circuit HV1PWM DC voltage generation circuit Voltage conversion circuit Voltage detection circuit HV1DC0 HV1DC1 Switching circuit Constant voltage circuit HVFre1 Constant current controller circuit Sign wave generation circui...

Page 87: ...he toner cartridge leaves the drum the DEVDC signal and DEVAVE signal are set to H to turn OFF the developing bias The density adjustment signal for the developing bias DEVPWM adjusts image density according to density instructions from the mechanical controller and IC1003 changes the amplitude value of the developing DC bias and the developing AC bias The DEVPWM signal varies according to image d...

Page 88: ...roceeds from the first color second color and so on To counteract this effect the transfer bias is gradually increased for the second and subsequent colors Also the transfer bias control signal TRPWM is changed according to the environment change Developing bias generation circuit DEVAVE Switching circuit Constant voltage circuit DEVPWM Voltage ON OFF circuit Voltage detection circuit Wave forming...

Page 89: ...cuit HVATR HVTR Constant voltage circuit Integral circuit TRPWM Amplification circuit Discharge bias generation circuit HVSEPAC0 Voltage conversion circuit HVSEPAC1 Current detection circuit Current detection circuit Current detection circuit High voltage power supply PCB Transfer roller voltage generation circuit Discharge voltage generation circuit High voltage control IC IC1003 HVFre1 Mechanica...

Page 90: ...ate attraction bias is applied by varying the attraction bias value control signal ATRPWM according to the environment detected by the environment change correction control see Environment change correction control on page 3 69 After the attraction roller contacts the transfer drum for a specified period of time HVATR signal is set to H and the attraction bias to OFF Generation of voltage applied ...

Page 91: ... voltage drive signal HVSEP to L and generates the voltage in the separation DC voltage generation circuit in the high voltage power supply PCB The separation DC voltage is input once to the separation HVT PCB and applied to the fixing upper roller and the separation charging unit On the other hand when the separation ac voltage drive signal HVSEPAC input from the mechanical controller goes L the ...

Page 92: ...ng to replace the photosensitive drum The printer also executes the photosensitive drum thickness detection upon power ON and door open in order to prevent the occurrence of faulty detection resulting from replacement of the drum cartridge At the time of power ON and door open the CPU compares the drum thickness data with the back up thickness data Separation AC voltage generation circuit Separati...

Page 93: ...e separated from each other and the check detection is performed The photosensitive drum thickness detection circuit is in the high voltage power supply PCB After the power and the fixing unit motor are turned on the drum press solenoid SL7 is turned ON the photosensitive drum and the transfer drum are separated Then the drum motor is turned on the primary charging dc voltage drive signal HV1DC1 a...

Page 94: ...er PCB High voltage control IC IC1003 SENSE0 Primary charging voltage generation circuit Voltage pulse width conversion circuit Current detection circuit Current Voltage conversion circuit Amplification circuit Filter SENSE1 HV1DC0 HV1DC1 HV1AC0 HV1AC1 CPU Photosensitive drum thickness detection circuit Photosensitive drum Primary charging roller Amplification circuit ...

Page 95: ...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 the drum press solenoid SL7 is turned ON and drum press cam 1 activates to move the transfer drum away from the photosensitive drum Figure 3 41 Drum separation Drum separation cam 1 Transfer drum shaft Transfer drum Roller Drum separation cam 2 ...

Page 96: ...idges magenta cyan yellow and black and the developing rotary which houses these cartridges The developing rotary contains magenta cyan yellow and black arranged clockwise in that order The developing rotary turns counterclockwise to keep the four color toner cartridges in sequential order to the photosensitive drum Each toner cartridge maintains its posture independent of the rotational position ...

Page 97: ...tes Only when the toner cartridge faces the drum surface are they forced to make contact with the photosensitive drum by the press cam The drive force of the developing unit motor is transmitted to the developing cylinder in the toner cartridge only when the cylinder makes contact with the photosensitive drum Toner cartridge Developing rotary ...

Page 98: ...s are changed by a combination of the rotational direction of the developing unit motor and the operation of the developing unit drive clutch CL2 Mechanical controller PCB PS4 PS3 Toner cartridge position detection flag DEVELOPING MOTOR DRIVE signal DEVELOPING ROTARY DRIVE signal DEVON ROTARY POSITION SENSOR signal DEVHP TONER CARTRIDGE POSITION SENSOR signal DEVCAM Developing rotary Photosensitiv...

Page 99: ...on of the developing rotary The developing unit position sensor PS4 monitors the number of flags passed in order to detect the rotational position of the developing rotary When the mechanical controller detects that the rotary has rotated to the specified position it stops the developing unit motor and thus the developing rotary Then DEVBRK signal is set to L and CL1 turned ON to apply a brake and...

Page 100: ...ridge position sensor PS3 that the toner cartridge has begun to leave the drum it measures the amount of drive to the pressing position and stops the developing unit motor according to that timing Figure 3 46 Toner cartridge pressing Developing cylinder drive Rotates the developing cylinder in the toner cartridge Developing process After the toner cartridge is pressed against the photosensitive dr...

Page 101: ...pressure on the push slider is released and the toner cartridge separates from the photosensitive drum When the press cam begins to operate the mechanical controller sets the developing rotary brake signal DEVBRK to H and turns the developing rotary brake clutch CL1 off When the toner cartridge position sensor PS3 detects the cartridge has begun to leave the drum the mechanical controller sets DEV...

Page 102: ...neously to prevent the rotary manual unit from being pushed back and disengaging from the rotary side plate By pushing the knob and turning it in the direction of the arrow on the knob the rotary rotates The rotary manual unit is also fitted with a reverse rotation prevention mechanism in which a one way gear prevents the rotary manual unit from turning in the opposite direction Figure 3 49 Develo...

Page 103: ... rotary is detected by the developing rotary position sensor PS4 by monitoring the number of passing rotational position flags The eight rotational position flags include the home position flag also serves as a magenta cartridge fetch position flag the other 3 colors fetch position flags and the stop position flag for each color When PS4 detects a flag the developing rotary position sensor signal ...

Page 104: ...ellow II Cyan III Black II Yellow L4 L2 L4 L2 L4 L5 I I Home position flag II Stop position flag III Fetch position flag L1 Approx 11 9 L2 Approx 62 9 L3 Approx 2 2 L4 Approx 64 0 L5 Approx 6 1 mm M Y K C PS4 Width of flags and distance between flags An example of the yellow cartridge in the stop position the position facing the photosensitive drum Cyan cartridge stop position flag Magenta cartrid...

Page 105: ...and the press sensor is shown in the figure below Figure 3 52 Toner cartridge position detection Developing unit fault detection Rotary rotation failure When the following phenomena are detected by the developing rotary position sensor PS4 the DC controller is notified by the mechanical controller which assesses them as rotary rotation failures The DC controller notifies the video controller of th...

Page 106: ...ping unit motor driver Q2003 on the mechanical controller The developing unit motor transmits the driving force to the developing rotary and the toner cartridge press cam When the print sequence command is received the CPU Q2001 in the mechanical controller sends the developing unit motor control signals DEVPHA DEVPHA DEVPHB DEVPHB and the developing unit motor rotation rate select signal DEVICH t...

Page 107: ...umidity sensors to control temperature and humidity within the printer This allows the printer to obtain optimum image quality Environment change correction control controls the following high voltage values Primary charging voltage Transfer bias Attraction bias Discharge AC bias ON OFF of the separation charging unit Maximum density control Maximum density control is performed to stabilize the ma...

Page 108: ...Following a prescribed number of prints When the toner cartridge is installed or removed When a new drum cartridge is installed In addition the environment change correction control is performed every 30 minutes while the power is turned ON Note Half tone correction table The laser output and the image density of the printer do not change in a linear relationship Therefore when the laser image is ...

Page 109: ...y charging voltage determined Transfer bias determined Discharge bias determined Attraction bias determined ON OFF of the separation charging unit Density detected Developing bias determined End Half tone correction table determined Density detected Environment change correction control end Maximum density control start Maximum density control end Halftone correction control start ...

Page 110: ...s located on the density sensor PCB above the transfer drum The light emitted by the LED is reflected by the density sensing pattern and received by the photodiode Figure 3 56 Density sensor The characteristics of colored toner and black toner towards light differ Therefore this sensing circuit uses the density sense mode select signal DSEL to switch between the colored toner and black toner densi...

Page 111: ... signal D0 7 The photodiode senses the light which is reflected by the density sensing pattern onto the transfer drum The density sensing PCB outputs the density to the DC controller as the toner sensor signal DSNS Figure 3 57 Density sensing circuit DC controller PCB IC101 DENB DSNS DSEL LED PS14 D0 to 7 Density sensing circuit Photodiode Density sensing PCB Density sensor CPU ...

Page 112: ...cked up by either the cassette or manual feeding pick up roller it is fed by the feed rollers After any skew in the paper is corrected by the registration roller it stops at the leading edge detection position The temporarily stopped paper is re fed so that its leading edge will match the gripper on the transfer drum as well as the leading edge of the image on the photosensitive drum Subsequently ...

Page 113: ...roller Separation claw Gripper Photosensitive drum Transfer drum Discharge roller Attraction roller Manual feeding pick up roller Cassette pick up roller Registration roller Cleaning brush Cassette Manual feeding tray Separation roller Feed roller Face down delivery roller Face down tray Face up tray Leading edge detection position ...

Page 114: ...ion roller The registration roller is not rotating at this time so the paper temporarily stops in the registration roller position Its leading edge is curled and any skew is corrected A certain time period elapses after the paper has passed through PS302 the registration roller clutch CL3 is turned ON to resume feeding the paper When the paper reaches the paper top sensor PS303 the pick up motor s...

Page 115: ...REGFED MANUAL FEED SOLENOID DRIVE signal MPFED MANUAL FEEDING PAPER SENSOR signal MPPSNS MANUAL FEEDING PAPER SIZE SENSOR signal MPSSNS PAPER TOP SENSOR signal TOPSNS REGISTRATION PAPER SENSOR signal REGSNS Pick up PCB Manual feeding pick up roller Cassette pick up roller Registration roller Cassette Manual feeding tray CL3 PS1 PS2 PS301 PS8 Mechanical controller PCB M1 PS303 PS302 Separation roll...

Page 116: ...rotational force via the transported paper If multiple sheets of paper are picked up the low friction force between those sheets results in a weak rotational force being transmitted to the separation roller from the feed roller As a result the separation roller s own rotational force separates the extra sheets Figure 3 60 Multi feed prevention mechanism Rotational force transmitted from feed rolle...

Page 117: ...ter 0 5 seconds the manual feed solenoid SL2 is turned on to transmit the rotational force of the pick up motor to the manual feeding pick up roller As the pick up roller rotates the paper lifting plate press cam is released and the spring force pushes up the paper lifting plate Thus the paper is pressed against the pick up roller and picked up by its rotation After the paper is separated from any...

Page 118: ...ensing switches CSW1 2 and 3 on the cassette size sensing PCB Loading the cassette onto the cassette mount will turn ON OFF the switches as applicable The CPU on the DC controller detects the presence of the cassette and its size by this ON OFF combination Cassette Cassette size sensing switch CSW1 CSW2 CSW3 A4 OFF ON ON B5 ON OFF ON LTR OFF OFF ON LGL ON OFF OFF Cassette absent OFF OFF OFF Manual...

Page 119: ...ngly Figure 3 63 Universal cassette paper sensing Note If the eject lever is pulled out the ejection sensing switch SW1601 is turned ON Irrespective of the cassette size the DC controller will set all the cassette size signals CSIZE1 CSIZE2 and CSIZE3 to L When the DC controller detects that the eject lever has been pulled out during door open it performs image quality stability control after the ...

Page 120: ...from the paper top sensor PS303 is shielded by this band Whether it is the dedicated OHP sheet other OHP or paper Whether it is placed properly Whether it is placed with the proper edge leading If any non dedicated OHP sheet is used or the dedicated OHP sheet is placed with the wrong side up or the wrong edge leading the mechanical controller will notify the DC controller which will detect a paper...

Page 121: ... operation of the pick up motor PS301 Cassette paper sensor on the pick up PCB When there is no paper in the cassette the cassette paper sensor signal CPSNS becomes H PS302 Registration paper sensor on the pick up PCB This sensor is located in front of the registration roller When paper is detected the registration paper sensor signal REGSNS becomes L PS2 Manual feeding paper size sensor When pape...

Page 122: ...noid is turned on SL2 Manual feed solenoid This solenoid turns on off the transmission of the rotation of the pick up motor to the manual feeding pick up roller When the manual feed solenoid drive signal MPFED becomes L the solenoid is turned on CL3 Registration roller clutch This clutch turns on off the transmission of the rotation of the pick up motor to the registration roller When the registra...

Page 123: ... paper sensor PS1 PS303 P S P S Registration paper sensor PS302 PS301 J304 6 16 17 5 22 18 9 6 10 8 11 5 6 16 17 1 8 11 18 AO AO BO BO CA CB 5 4 3 2 1 J302 1 3 J302 4 6 Pick up PCB Mechanical controller PCB MPSSNS REGSNS CPSNS TOPSNS DC controller PCB 24V SL1 Cassette feed solenoid CPFED 5V 19 J303 2 1 Manual feed solenoid 24V MPFED 5V 21 J302 6 7 SL2 7 Registration roller clutch REGFED 24V 5V 20 ...

Page 124: ... pick up roller rotates to the initial position at power on and door open close Transfer drum and peripheral components Using electrostatic force imparted by the attraction roller the transfer drum takes paper up onto it by clamping the leading edge of the paper with the gripper In full color mode four transfers occur while in mono color mode a single transfer occurs The paper is then fed to the f...

Page 125: ...nd peripheral components TRANSFER DRUM TOP SENSOR signal TOPREG SEPARATION SENSOR signal SEPSNS ATTRACTION SENSOR signal ATTSNS DC controller PCB Mechanical controller PCB GRIPPER DRIVE signal GRIPON SEPARATION CLAW DRIVE signal SEPON SL4 SL5 PS6 PS8 Separation claw Gripper Transfer drum Discharge roller Attraction roller Cleaning brush PS7 DRUM MOTOR DRIVE signal M5 Attraction roller press cam AT...

Page 126: ...d from the transfer drum and then fed to the fixing unit If the paper fails to reach or pass through each sensor within the specified time the CPU on the DC controller determines that a jam has occurred and notifies the video controller Gripper control The opening and closing of the gripper is controlled by the gripper drive signal GRIPON sent from the mechanical controller When the GRIPON signal ...

Page 127: ... roller press solenoid SL6 is turned on The rotation of the fixing unit motor actuates the attraction roller press cam to press the attraction roller against the transfer drum The attraction of the paper is detected by the attraction sensor PS6 The attraction roller is not driven by any motor but rotates along with the transfer drum When the paper reaches the attraction roller the attraction volta...

Page 128: ...t 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 Figure 3 69 Attraction roller operation Attraction roller is pressed Attraction roller is separated Attraction roller press cam Attraction roller Transfer drum Attraction roller press cam Attraction roller Transfer drum Attraction roller pr...

Page 129: ...ransfer drum cleaner The transfer drum cleaner is operated following the prescribed number of prints at power on door open close or cleaning of the density detection pattern after image quality stability control The transfer drum cleaner is normally separated from the transfer drum After the transfer is completed and the paper is separated the transfer drum cleaner press solenoid SL8 is turned on ...

Page 130: ...sfer 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 Figure 3 71 Transfer drum cleaning mechanism Cleaning brush Transfer drum Cleaning brush press cam Cleaning brush is pressed Cleaning brush is separated Cleaning brush Transfer drum Cleaning brush press cam ...

Page 131: ...the discharge SL9 is turned off to actuate the cam to push the discharge roller up and then separate it from the transfer drum The discharge roller is not driven by any motor but rotates along with the transfer drum The discharge voltage corresponding to one cycle of the transfer drum is applied to the discharge roller to neutralize the electric charge remaining on the transfer drum surface Figure...

Page 132: ...ver Q2002 0 2 seconds after the fixing unit motor starts The Q2002 sends the drive signal to the drum motor based on these signals 24VC power supply is used to drive the drum motor In order to slow down the paper feed speed through the fixing unit in OHP mode the CPU sets the DRMICH signal to H to drive the drum motor at a low speed If the transfer drum top sensor signal TOPREG remains unchanged f...

Page 133: ...nal TDCON to L to drive the cleaning brush Fixing and delivery unit The paper separated from the transfer drum is fed into the fixing unit and delivered after passing through the fixing upper and lower rollers and the fixing unit delivery roller Delivery from the fixing unit is detected by the delivery paper sensor PS9 For the face up tray the paper is delivered without passing over any additional...

Page 134: ...sfer drum the mechanical controller turns on the fixing unit drive clutch CL4 This transmits the rotation of the fixing unit motor to the fixing upper and lower rollers the fixing delivery roller the oil applying roller and the oil pump DELIVERY PAPER SENSOR signal POUT DC controller PCB Mechanical controller PCB PS9 Fixing upper roller Fixing lower roller Fixing unit delivery roller FIXING UNIT M...

Page 135: ...fies the video controller of this error In order to prevent any offset a mechanism applies oil to the surfaces of the fixing rollers Also the cleaning belt makes contact with the fixing rollers to clean them OHP Overhead projector sheet mode The fixing ability of OHP sheets is poorer than that of normal paper sheets To raise the fixability level the feed speed for an OHP sheet is slowed down to ha...

Page 136: ... the transfer drum rotates one additional turn with the OHP sheet on it After the transfer is complete up to the trailing edge of the OHP sheet the rotational speed of the transfer drum is slowed down to half of its normal speed At this time the photosensitive drum is separated from the transfer drum so that the toner image on the OHP sheet is not disturbed Subsequently the OHP sheet leaves the tr...

Page 137: ...heater safety circuit it controls the fixing temperature The microcomputer CPU on the DC controller controls the fixing heater drive signals FXUON and FXLON so as to maintain the fixing temperature at the specified value based on the voltage of the THI signal The fixing temperature varies depending on the image gloss modes This printer starts rising the fixing temperature while it is in the WAIT p...

Page 138: ...ing temperature Notes Image gloss This printer allows the image gloss to be changed in three steps by signals from the video controller Even if the fixing temperature reaches the target value while image quality stability control and toner cartridge detection are still in progress the printer will not enter the STANDBY state Image gloss mode Low gloss mode Normal gloss mode High gloss mode Target ...

Page 139: ... exceeds about 230 C the thermoswitch will be turned off to shut off the power supplied to the fixing heater Detecting fixing unit errors Fixing unit errors are detected by The CPU on the DC controller Fixing heater safety circuit within the power supply circuit Fixing unit abnormality detection circuit within the power supply circuit If the CPU on the DC controller detects a fixing heater error I...

Page 140: ...e it reached 100 C The temperature of the fixing heater does not reach the target value even after 160 seconds have elapsed since it reached 120 C The temperature of the fixing heater decreases below 120 C after it reaches the target value once The temperature of the fixing heater exceeds 200 C during the STANDBY or PRINT period The fixing heater malfunctions When the THI signals are compared afte...

Page 141: ... Based on this measured time the time during which the power was turned off is calculated Figure 3 80 Off timer circuit for fixing heater errors Changing the thermistor sensitivity The sensitivity of the thermistor differs between its high and low temperature ranges In order to increase the detection accuracy in either range the CPU in the DC controller uses the thermistor sensitivity select signa...

Page 142: ...ng temperature detect signal THI sent to pin No 14 If the voltage output from the thermistor becomes about 1 6V with an increase in the fixing temperature the safety circuit IC will set the output of pin No 5 to L and turn off the relay RL to shut off the power supplied to the fixing heater Simultaneously the safety circuit sensing signal SFSNS sent to the CPU on the DC controller becomes H With t...

Page 143: ...fixing unit abnormality detection circuit checks that the rated voltage of the power supply unit matches that of the fixing Safety circuit IC Z4 Z5 Z5 Z5 Z5 Fixing heater safety circuit Fixing unit abnormality detection circuit Power supply unit RL Q805 24V 5V 13 10 11 14 2 5 4 1 7 6 5V FXSTS SFSNS 5V 8 9 10 Mechanical controller PCB DC controller PCB FXROF IC101 THI THSEL TH 12 6 2 5 14 IC102 JP1...

Page 144: ...allation of the fixing unit as a result Breakage of the fixing heater When starting the temperature control this printer individually turns on the fixing upper and lower heaters and monitors them for breakage with the FXSTS signal Figure 3 82 Fixing heater drive signal timing The fixing unit abnormality detection circuit detects the AC current flowing in the fixing heater If no AC current flows th...

Page 145: ...sive oil drops from both ends of the applying blade down to the oil pan and then drops down to the oil catch tray after passing through a pipe The oil catch tray has a filter that filters out dust and other foreign matter The filtered oil is sucked by the pump into the oil bottle for re use The remaining amount of oil is detected by the oil sensor PS13 outside the fixing unit A floating ball in th...

Page 146: ...3 Operation 3 108 Colorwriter LSR 2000 Printer Service Guide Figure 3 83 Oil system components Fixing lower roller Oil catch tray Pipe Pump Oil nozzle Oil applying roller Oil pan Fixing upper roller ...

Page 147: ...ime a certain number of prints have been made the cleaning belt winding roller rotates and the contact surface of the cleaning belt moves to clean the fixing upper roller Normally the cleaning belt moves by Cleaning belt Oil blade Oil sensor PS13 Oil bottle Oil catch tray Oil pan Oil applying roller Oil applying blade Blade Filter Oil bottle case For the oil sensor PS13 only its floating ball is i...

Page 148: ...video controller that the cleaning belt is almost out The DC controller will notify the video controller of no cleaning belt and stop the printer after about 500 more prints are output providing the fixing unit is not replaced Note As this printer detects the life span of the fixing upper lower rollers by the remaining cleaning belt when you replace the cleaning belt be sure to also replace the fi...

Page 149: ...am When the print sequence command is received the CPU Q2001 in the mechanical controller sets the fixing unit motor drive signal to L to drive the fixing unit motor The mechanical controller monitors the fixing unit motor ready signal MRDY to check whether the fixing unit motor is rotating at the specified speed If the fixing unit motor reaches the specified value the MRDY signal will become L Wh...

Page 150: ...er determines if a paper jam has occurred by checking for the presence of paper in the sensor at the timing preset in its CPU If the CPU determines that a jam has occurred it will report the jam to the DC controller and stop the print operation The DC controller then notifies the video controller that a jam has occurred Pick up delay jam The CPU determines that a pick up delay jam has occurred if ...

Page 151: ...er sensor PS302 detects the leading edge of the paper Figure 3 88 Paper top position delay jam timing Pick up motor M1 Normal Jam check Feed solenoid SL1 SL2 SL351 Unit second PRINT Abnormal PRINT Unit second T1 T2 T1 T2 T1 0 83 Cassette feed Manual feed 1 17 Paper feeder T2 2 57 Cassette feed Paper feeder 2 07 Manual feed Registration paper sensor PS302 Main motor M2 Paper top sensor PS303 Normal...

Page 152: ...e paper does not reach 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 Figure 3 90 Separation delay jam timing Main motor M2 Attraction sensor PS6 Normal Jam check Transfer drum top sensor PS8 Unit second PRINT Abnormal PRINT Unit second Registration position R...

Page 153: ... is detected Figure 3 91 Separation stationary jam timing Delivery delay jam The CPU determines that a delivery delay jam has occurred if the paper does not reach the delivery paper sensor PS9 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 Main motor M2 Separation sensor PS7 Normal Jam...

Page 154: ... full color mode the registration position for the fourth color is detected Figure 3 93 Delivery stationary jam timing Main motor M2 Delivery paper sensor PS9 Normal Jam check Transfer drum top sensor PS8 Unit second PRINT Abnormal PRINT Unit second T5 T5 Registration position T5 5 23 8 99 in case of OHP Registration position Main motor M2 Delivery paper sensor PS9 Normal Jam check Transfer drum t...

Page 155: ...cated OHP sheet jam The CPU determines that an OHP sheet other than the dedicated one has been fed when the following situation has occurred The CPU determines that a non dedicated OHP sheet jam has occurred 1 if the OHP sheet white band on the leading edge of the OHP sheet is not detected by the paper top sensor PS303 a specified period of time after transfer drum registration position detection ...

Page 156: ...s that an initial residual jam has occurred If the following sensors detect the paper a specified period of time 0 5 or 2 27 seconds after the power switch is turned on Main motor M1 Paper top sensor PS303 Jam check Transfer drum top sensor PS7 Unit second PRINT PRINT Unit second T8 1 49 T9 1 57 T10 1 64 T11 T10 T8 T11 T10 T8 Normal Abnormal Main motor M1 Normal Jam check Transfer drum top sensor ...

Page 157: ...converts the print data sent by external devices including the host computer into dot data which is then output from the video controller to the DC controller The types of interface signals transmitted between the video controller and the DC controller as well as an outline of the operation of this printer using the interface signals are described below Figure 3 96 System interface functional diag...

Page 158: ... to the mechanical controller and starts the initial rotations INTR sequence At the end of the INTR sequence the DC controller sends the vertical sync signal TOP to the video controller within the specified time The video controller sends the video signals VDO7 0 which synchronize with the horizontal sync signal LSYNC and the TOP signal sent from the DC controller to the DC controller In full colo...

Page 159: ... face up tray While printing a page the DC controller checks whether or not the PRNT signal has been sent by the video controller If no PRNT signal has been sent the printer terminates the PRINT sequence with the current page and initiates the last rotations At the end of the last rotations the printer enters the STANDBY STBY state On the other hand if the PRNT signal has been sent the printer con...

Page 160: ...rmality detection circuit POFF Laser driver Scanner motor High voltage power supply Motors Solenoids Clutches 5V 24VA Sensors 5V Paper feeder DC DC convertor Fuse Switching transistor Control IC Regulator IC Power supply PCB Noise filter Rush current prevention circuit Photo coupler 5V Overcurrent overvoltage detection circuit Mechanical controller PCB 24VA F1 Terminal PCB 5V Fixing heater drive c...

Page 161: ...ned OFF the power supply circuit sets the power off signal POFF sent to the DC controller to H When the printer is ready to be turned off the DC controller sets the power off control signal PCONT to L This stops the switching regulator for the power supply circuit and turns off the printer Protection function The power supply circuits for 24VDC and 5VDC have an overcurrent overvoltage detection fu...

Page 162: ...ads of the motors and the solenoids The power supply for the paper feeder consists of 24V DC generated by the internal power source and 5V DC supplied by the printer The following block diagram shows the correlation between the paper feeder and the printer Figure 3 99 Correlation between paper feeder and printer Paper feeder driver PCB Pick up sensor 24V Cassette feed solenoid Paper feeder motor M...

Page 163: ...6 Paper feeder motor J353 1 2 3 4 5 6 PS352 OPFEDSNS Paper feeder driver PCB H when paper is available PAPER FEEDER MOTOR DRIVE signal CA CB AO AO BO BO J352 1 Detect cassette size Cassette size sensing switch CSW301 CSW302 CSW303 CSIZE1 CSIZE2 CSIZE3 J356 2 3 4 1 Cassette size sensing PCB Cassette paper sensor PS351 P S Pick up sensor 5V 3 2 OPSNS J352 4 5V 6 5 H when no paper is available Casset...

Page 164: ...heets are separated by the separation roller the paper is fed into the printer by the feed roller The paper feeder driver PCB detects the paper leading edge with the pick up sensor in the feeder and changes the speed of the paper feeder motor to normal when the paper reaches feed roller 2 in the printer pick up unit Therefore one sheet of paper is picked up from the cassette in the paper feeder Th...

Page 165: ...turned OFF to shut off 24V supplied to the drive loads With the paper feeder installed in the printer the AC power supply is sent to the power source in the printer via that in the paper feeder If the power cable is connected to the AC inlet on the printer by mistake the AC power supply is not sent to the power in the paper feeder nor is 24V DC for the feeder generated The paper feeder driver PCB ...

Page 166: ...for paper feeder Door switch SW302 Motors Solenoids 24VA Sensors 5V Fuse Power supply circuit Noise filter 24VB 5V AC power outlet Power supply for paper feeder Phototriac 5V Power source in printer Paper feeder driver PCB REMOTE IC301 24V 5V Mechanical controller PCB in printer 24VA 24VB ...

Page 167: ... the Getting Started Guide Note In many of the illustrations in this manual the optional paper feeder unit is included If you do not have the optional paper feeder unit installed your printer will not look exactly like the illustrations If you have the optional paper feeder unit see Attaching the optional paper feeder unit on page 4 13 for installation information Removing printer shipping materia...

Page 168: ...essed which will subsequently be fixed at the fixing assembly The drum cartridge is extremely sensitive to light and may deteriorate if exposed to light Therefore do not open the protective bag or the drum cartridge cover until you are ready to install the drum cartridge as follows To install the photosensitive drum 1 Open the front door 2 Before pushing down the release handle make sure the toner...

Page 169: ...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 5 Remove the drum cartridge from its protective bag Note Do not open the protective bag or drum cartridge cover until you are ready to install it Do not expose the drum cartridge to direct sunlight ...

Page 170: ...essive force to the protective cover while handling the drum cartridge Otherwise the photosensitive drum may be scratched 7 While holding the cover with one hand and the cartridge horizontally gently slide the drum into the compartment letting the drum rest on the rails of the compartment 8 When the drum cartridge is completely inside the printer remove the cover ...

Page 171: ...or now but proceed to the next section Installing the waste toner bottle The waste toner bottle collects waste toner obtained in each print cycle At the end of the toner image formation and transfer onto the paper any toner still remaining on the photosensitive drum surface is scraped by the photosensitive drum cleaner and forwarded to the waste toner bottle After you have installed the drum cartr...

Page 172: ...ng the printer attach the new waste toner bottle to the printer Note Before attaching the waste toner bottle to the printer make sure the release handle is pushed all the way down 2 Close the drum cartridge door immediately 3 Push up the release handle to lock the drum cartridge This completes the waste toner bottle installation ...

Page 173: ...rint cycle Each toner cartridge fits into a specific place inside the rotary unit so you can t place cartridges in the wrong location Colored tabs indicate which cartridge belongs in each position Note For information on storing and handling toner cartridges see the User Guide To install the toner cartridges 1 Remove one of the toner cartridges from its protective bag Note Avoid touching the windo...

Page 174: ... to distribute the toner evenly Note Do not try to redistribute the toner in a used or unsealed cartridge the toner may leak 4 Place the toner cartridge on a flat surface and then pull the sealing tape completely out in the indicated direction Note The tape may break if not pulled out in the direction indicated ...

Page 175: ...markers for the toner cartridge appear in the opening Make sure the two color markers are fully visible before installing the toner cartridge The turret knob pops out and is locked 6 Using the mark as a guide hold the cartridge with the arrow label facing up then slide it completely into the turret until it snaps into place M C Y Bk 1 2 3 Color markers Turret cycle ...

Page 176: ...tridges Note Make sure the toner cartridges are installed in the turret in the correct order step 5 Misplaced toner cartridges may cause printing problems Note Each color toner cartridge typically prints about 4 000 A4 or Letter size pages when printing is done at the default print density and at 4 5 dot ratio The actual cartridge life however depends on how much toner of each toner cartridge is u...

Page 177: ...s 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 Do not operate the printer if there is no silicone oil bottle installed otherwise the printer may be damaged Do not incinerate the used silicone oil bottle S H1 310ml LOT NO ...

Page 178: ...l off the seal from a new silicone oil bottle Do not shake the bottle or the oil may spill out 2 Open the stopper completely and then insert the bottle into the compartment with the head facing down and toward the right 3 Press down on the bottle until it goes completely into the compartment and then close the stopper securely S H 1 3 1 0 m l 1 2 1 2 ...

Page 179: ...g cleaned commercially Petroleum distillates may be used except on plastic or vinyl surfaces Dispose of absorbed material in accordance with applicable federal state and local requirements Attaching the optional paper feeder unit After choosing a location for the printer attach the optional paper feeder unit Be sure to perform the side margin adjustment procedure before using the paper feeder unit...

Page 180: ...iew 4 14 Colorwriter LSR 2000 Printer Service Guide To set up the paper feeder unit 1 Remove the tapes and store the two locking pins for later use Paper feeder unit Universal cassette Locking pins 2 Locking pins in vinyl ...

Page 181: ...rvice Guide 4 15 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 4 Reverse the cassette again Then remove the spacer inside the cassette 1 2 ...

Page 182: ...ckets 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 Note The paper feeder unit weighs about 20 lbs 9 2 kg and can be carried by one person 6 While pushing up the handle on the underside of the cassette pull out the paper cassette from the printer ...

Page 183: ...two positioning poles on the feeder unit for alignment The printer weights about 110 lbs 50 kg and therefore requires two or more persons to carry Do not attempt to carry the printer by yourself a personal injury may result Note When installing make sure the power cord and plug are not caught between the printer and feeder 8 Insert the two locking pins into the printer body as shown below to secur...

Page 184: ...eder 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 10 While pressing the handle upward slide the cassette removed in step 6 all the way into the printer until it snaps into place ...

Page 185: ...xposure Charging Developing Fixing unit Electrical components Paper feeder For information on regular maintenance procedures for the Colorwriter see Appendix B When performing the service procedures described in this chapter follow the precautions listed in Important safety information on page xiv The tools required to service the Colorwriter are listed in Tools you will need in Appendix B Softwar...

Page 186: ...writer display window 1 Make sure that the Colorwriter display reads Ready 2 Turn off the Colorwriter 3 Disconnect all cables from the back of the printer Always obtain permission from the network administrator before you take the Colorwriter off the network 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 3 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 ...

Page 187: ...2 Cable cover 1 Fixing unit cover 2 Screws 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 5 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 5 36 pm File Service externals Page 5 5 3 Open the face down tray disengage the lever and remove the upper cover To remove the front door 1 Disconnect the display panel cable connector from the terminal PCB acco...

Page 188: ...er cover 3 Remove the two screws then the left cover 1 Front door 1 Screws 2 Left cover 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 7 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 5 36 pm File Service externals Page 5 7 To remove the rear cover 1 Remove the left cover 2 Disengage the claw holding the rear cover to remove To remove the fixing un...

Page 189: ...in the direction of the arrow 1 Strap 1 Fixing unit cover 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 9 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 5 36 pm File Service externals Page 5 9 To remove the face up tray 1 Open the face up tray disengage the claws and pull the tray out toward you To remove the pick up cover 1 Open the manual feedin...

Page 190: ... up cover 1 Screws 2 Pick up cover 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 11 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 5 36 pm File Service externals Page 5 11 To remove the manual feeding tray 1 Remove the pick up cover 2 Disengage the claw holding the cover unit of the manual feeding tray 3 Disengage the other claw holding the manual...

Page 191: ...er 2 Remove the screw and then inner cover 1 1 Tray unit 1 Screw 2 Inner cover 1 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 13 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 5 36 pm File Service externals Page 5 13 To remove inner cover 2 1 Remove inner cover 1 2 Remove the screw and strap 3 Remove the four screws and inner cover 2 To remove in...

Page 192: ...2 Inner cover 3 1 Photosensitive drum door 2 Transfer drum lever 3 Waste toner bottle 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 15 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 5 36 pm File Service externals Page 5 15 5 Lift the transfer drum lever and remove inner cover 1 and inner cover 3 6 Drop the transfer drum lever to the right and remo...

Page 193: ...drum cover 1 Connector 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 17 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 5 36 pm File Service externals Page 5 17 5 Remove the screw and take off the photosensitive drum door Display panel To remove the display panel 1 Remove the display panel cable connector and screw on the terminal PCB 2 Open the fr...

Page 194: ...vice Procedures Colorwriter LSR 2000 Printer Service Guide 5 19 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 5 36 pm File Service externals Page 5 19 4 Remove the two screws and disconnect the connector to remove the Density Control Panel Exhaust Fan The three fan motors installed in this printer work to prevent a rise in the internal temperature The role of each f...

Page 195: ...crews and the shield plate FM3 FM1 FM2 1 Screws 2 Shield plate 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 21 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 5 36 pm File Service externals Page 5 21 3 Disconnect the connector 4 Disengage the claw holding the fixing unit fan to remove the fan Note Reassemble the fan so that the manufacturer s labe...

Page 196: ...Fan cover 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 23 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 5 36 pm File Service externals Page 5 23 4 Disconnect the connector 5 Disengage the claw holding the fan duct plate to remove the duct plate and the controller fan Note Reassemble so that the manufacturer s label is facing you 1 Connector 1 Cl...

Page 197: ...24 Colorwriter LSR 2000 Printer Service Guide To remove the electrical unit fan 1 Remove the rear cover 2 Remove the nine screws and the shield plate 3 Disconnect the connector 4 Disengage the claw holding the electrical unit fan to remove the fan Note Reassemble so that the manufacturer s label is facing you 1 Connector 1 Electrical unit fan ...

Page 198: ... 5 Drive System The drive system consists of the following parts Fixing unit motor Developing unit motor Drum motor Drive unit Rotary manual unit Transfer drum cleaner press drive Discharge roller press drive unit Drum press drive unit Attraction roller press drive unit Delivery drive unit Fixing unit motor To remove the fixing unit motor 1 Remove the rear cover 2 Remove the nine screws and the sh...

Page 199: ...d the shield plate 1 Screws 3 Fixing unit motor 2 Connector 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 27 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 27 3 Disconnect the connector and remove the four screws and the developing unit motor Drum motor To remove drum motor 1 Remove the rear cover 2 Remove t...

Page 200: ...e pick up cover Remove the fixing oil bottle Loosen the two screws and pull the fixing unit forward 1 Screw 2 Delivery drive unit 1 Screws 2 Fixing unit 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 29 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 29 5 Remove the separation high voltage power supply accordi...

Page 201: ...h the frame 2 Remove the screw and the duct cover with the electrical unit fan 1 Screws 2 Connectors 3 Mechanical controller PCB 1 Screw 2 Electrical unit fan 3 Duct cover 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 31 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 31 3 Remove the screw and the duct 4 Remo...

Page 202: ...ter LSR 2000 Printer Service Guide 5 33 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 33 3 Remove the fixing unit motor according to the procedure on page 5 25 4 Remove the two screws and the transfer drum cleaner press drive unit Discharge roller press drive unit To remove the discharge roller press drive unit 1 Remove the po...

Page 203: ...it on page 5 32 3 Remove the transfer drum holder unit according to the procedure on page 5 58 1 Screws 2 Discharge roller press drive unit 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 35 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 35 4 Remove the two screws and the drum press drive unit Attraction rolle...

Page 204: ...ive unit To remove the delivery drive unit 1 Remove the upper cover 2 Remove the screw and the delivery drive unit 1 Screws 2 Attraction roller press drive unit 1 Screw 2 Delivery drive unit 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 37 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 37 Paper transport sys...

Page 205: ...ock levers 2 Pick up unit 1 Screws 3 Right stopper 2 Left stopper 4 Pick up unit 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 39 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 39 Separating the manual feeding tray pick up unit from the cassette pick up unit To separate the manual feeding tray pick up unit f...

Page 206: ...wo connectors 1 Screws 2 Motor cover 3 Manual feeding tray pick up unit 1 Connectors 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 41 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 41 8 Remove the spring 9 Remove the screw the shaft and the spring Then remove the E ring to disassemble the pick up unit into t...

Page 207: ...ual feed solenoid 1 Screw 2 Solenoid cover 1 Screw 2 Manual feed solenoid 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 43 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 43 Manual feeding pick up roller To replace the manual feeding pick up roller manual feeding tray pick up unit 1 Remove the manual feeding ...

Page 208: ...t and then remove the spring 3 Remove the screw disconnect the shaft and remove the paper lifting plate 1 Screw 2 Shaft 3 Spring 1 Screw 2 Shaft 3 Paper lifting plate 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 45 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 45 4 Disengage the claw fixing the separation ...

Page 209: ...e screw fixing the solenoid cover and then remove the cover 3 Disengage the claw fixing the idler gear and remove the gear 1 Idler gear 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 47 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 47 4 Remove the E ring and the spring and then the right lock link 5 Remove t...

Page 210: ...motor cassette pick up unit 1 Remove the three screws and the PCB cover 1 Spring 2 Feed roller unit 2 1 Screws 2 PCB cover 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 49 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 49 2 Disconnect the connector 3 Disconnect the two connectors and disengage the claw fixin...

Page 211: ...rews 2 Pick up motor 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 51 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 51 Registration roller clutch To remove the registration roller clutch cassette pick up unit 1 Remove the three screws to remove the PCB cover 2 Disconnect the connector 3 Remove the E ring an...

Page 212: ... Remove the registration roller clutch according to the procedure on page 5 51 3 Remove the two screws and the registration guide 1 Screws 2 Registration guide 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 53 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 53 4 Next remove the two springs the E ring and the b...

Page 213: ... Procedures Colorwriter LSR 2000 Printer Service Guide 5 55 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 55 Cassette feed solenoid To remove the cassette feed solenoid cassette pick up unit 1 Remove the three screws to remove the PCB cover 2 Disconnect the connector 3 Remove the screw and the cassette feed solenoid with the s...

Page 214: ... Bearing 3 Separation roller 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 57 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 57 Feed roller 1 To remove feed roller 1 cassette pick up unit 1 Remove the separation roller unit according to the procedure on page 5 56 2 Remove the screw and the feed roller unit 1...

Page 215: ... in 1 2 4 3 5 6 9 8 7 1 Discharge roller 2 Separation claw solenoid 3 Transfer drum top sensor 4 Attraction roller 5 Separation claw unit 6 Separation sensor 7 Gripper solenoid 8 Attraction sensor 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 59 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 59 the direction...

Page 216: ... connector and remove the screw to remove the knob unit 1 Screws 3 Transfer drum cover 2 Transfer drum lever 1 Connector 2 Screw 3 Knob unit 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 61 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 61 4 Remove the two screws and the drum cartridge lock holder 5 Disengag...

Page 217: ...emove the screw and disconnect the shaft to remove the front lever 1 Connectors 1 Screw 2 Shaft 3 Front lever 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 63 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 63 8 Remove the screws and disconnect the shaft 9 Remove the two springs of the attraction roller unit ...

Page 218: ... the screw and disconnect the shaft 1 Rear lever 2 Spring 3 Transfer drum unit 1 Spring 2 Screw 3 Shaft 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 65 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 65 2 Remove the spring and then the discharge roller unit 3 Finally pull out the discharge roller in the dire...

Page 219: ...easily 1 Screw 3 Attraction roller unit 4 Springs 2 Shaft 1 Collars 2 Attraction roller 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 67 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 67 Use gloves to pull out the attraction roller so as to not touch it with your hands Also be careful not to contaminate it w...

Page 220: ...1 Separation sensor 2 Connector 1 Springs 2 Transfer drum 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 69 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 69 2 Then peel off the two sided tape to remove the transfer sheet Note Use gloves to remove the transfer sheet so as to not touch it with your hands If th...

Page 221: ...the transfer sheet does not slack and float in the center or at the edges 1 1 Designated projections 2 1 1 Transfer sheet center 2 Transfer sheet edges 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 71 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 71 To remove the gripper unit 1 Remove the transfer sheet acc...

Page 222: ...the connector 1 Screws 2 Crossmember 1 Connector 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 73 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page 5 73 4 Remove the two screws and the gripper solenoid To remove the attraction sensor 1 Remove the gripper unit according to the procedure on page 5 71 2 Disconnect t...

Page 223: ...lock lever upward in the direction of the arrow The lock lever must first be pulled away from the chassis as it rests in a notch in the chassis 1 Connector cover 1 Connector 3 Transfer drum cleaner unit 2 Lock lever 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 75 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 6 17 pm File Service Drive Paper Page...

Page 224: ...c charge eliminator To remove the cleaning belt drive solenoid 1 Remove the upper cover 2 Remove the two screws and disconnect the connector and then remove the cleaning belt drive solenoid unit 1 Face down delivery unit 1 Screws 3 Cleaning belt drive solenoid unit 2 Connector 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 77 Manual Colorwriter LSR 2000 Service Guide Draft Last ...

Page 225: ...lorwriter LSR 2000 Printer Service Guide 5 79 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 79 To remove the laser scanner unit 1 Remove the DC controller PCB according to the procedure on page 5 127 2 Then remove the six screws and the laser scanner unit Note Do not disassemble the laser scanner unit as it cannot be adjusted ...

Page 226: ...te toner bottle 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 81 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 81 3 Remove the drum cartridge 4 Store the drum cartridge in the drum cover Be careful when handling the drum cartridge 5 Use a flannel cloth to clean the drum as lint free paper can damage it 6 Si...

Page 227: ... 1 Separation charging unit 2 Density sensor 1 Screw 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 83 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 83 3 Disconnect the connector to remove the density sensor unit To separate the separation charging unit from the density sensor 1 Grasp the handle and slide of...

Page 228: ...er and the stirring plate The developing cylinder and the toner feed roller receive drive from the developing unit motor to rotate 1 2 3 4 5 1 Toner container 3 Stirring plate 5 Toner feed roller 2 Blade 4 Developing cylinder 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 85 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc f...

Page 229: ...y unit 1 Remove the rear door 2 Remove the nine screws and the shield plate 3 Remove the mechanical controller PCB as well as the frame and the electrical unit fan along with the duct according to rotary manual unit steps 1 to 3 on page 5 30 1 2 1 Toner cartridge 2 Developing rotary 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 87 Manual Colorwriter LSR 2000 Service Guide Draft...

Page 230: ...ve screws and inner cover 2 1 Screws 2 Bushing 1 Screws 2 Inner cover 2 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 89 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 89 9 Remove the three screws to the bushing on the front side then the developing rotary unit Push the rotary manual knob in to aid removal o...

Page 231: ...Fixing upper roller 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 91 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 91 To remove the fixing unit Note In order to avoid oil spillage into the printer the oil bottle should be temporarily removed any time the printer is shifted moved or relocated 1 Open the fron...

Page 232: ...h the oil removing tool and transfer it to the oil storage bottle 3 Move the lever up and down about 50 times Following this remove any oil in the bottle case and oil catch tray again Repeat this three times 1 Bottle case 3 Cap cover 2 Cleaning cap 4 Oil catch tray 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 93 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified Jan...

Page 233: ...e unit 4 Remove the two screws as well as the two heater terminals of the fixing heater 1 Tie wrap 2 Bottle case unit 1 Screws 2 Heater terminals 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 95 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 95 5 Remove the two screws and the terminals 6 Remove the two screw...

Page 234: ...es 2 Connector cover 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 97 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 97 9 Disconnect the connector and use the contact extraction tool to remove the two heater contacts 10 Remove the three screws as well as the heater cover along with the heater fixing plate CA...

Page 235: ...ng unit according to the procedure on page 5 106 1 Fixing upper heater 2 Fixing lower heater 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 99 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 99 2 Remove the four screws the connecting plate and the heater terminal 3 Open the fixing delivery unit 4 Remove the tw...

Page 236: ...writer LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 101 5 Remove the screw and then the fixing high voltage contact and the grounding ring 6 After removing the C ring the fixing roller gear the bushing and the bearing remove the fixing upper roller Note This printer detects the end of the cleaning belt which also signifies the life span of the ...

Page 237: ... gear 4 Bearing 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 103 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 103 4 Remove the C ring and the fixing roller gear 5 Remove the C ring and then the bushing and the bearing to remove the fixing lower roller Note This printer detects the end of the cleaning belt...

Page 238: ...fixing entrance cover 2 Remove the two screws and the fixing entrance lower guide 1 Screws 2 Fixing entrance cover 1 Screws 2 Fixing entrance lower guide 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 105 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 105 3 Remove the screw and disconnect the connector and re...

Page 239: ... five screws and the fixing cleaning unit 1 Screws 2 Fixing cover 1 Screws 2 Fixing cleaning unit 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 107 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 107 To remove the cleaning belt 1 Remove the four screws 2 After removing the spring the E ring and the bearing sl...

Page 240: ...correct position Sensor lever position abnormal Blue line mark Cleaning belt winding roller 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 109 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 109 Fixing delivery unit To remove the fixing delivery unit from the fixing unit 1 Remove the fixing unit 2 Remove the t...

Page 241: ...l applying unit from the fixing unit 1 Remove the fixing cleaning unit according to the procedure on page 5 106 1 E ring 2 Bearing 3 Fixing delivery roller 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 111 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing Page 5 111 2 Remove the two springs and the tube 3 Remove the s...

Page 242: ...ng the spacer the left plate and the bushing Then remove the applying roller 1 E ring 2 Spring 3 Applying roller gear 4 Spacer 5 Right plate 6 Bushing 1 E ring 2 Spring 3 Spacer 4 Left plate 5 Bushing 6 Applying roller 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 113 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing ...

Page 243: ...e oil bottle case unit from the fixing unit 1 Remove the fixing unit 2 Remove the oil from the fixing unit Oil applying roller Fixing upper roller Fixing lower roller Oil catch tray Oil pump B Oil pump A Oil bottle case 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 115 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 12 pm File Service misc fixing...

Page 244: ... the oil removing tool from leaking block off the tube joining the oil catch tray unit and the bottle case with paper Lay paper beneath the fixing unit as well in the event that oil leaks To remove oil pump A 1 Remove the five screws gears A and B and then the side plate 2 Remove the tube 1 Screws 3 Gear B 2 Gear A 4 Side plate 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 117 ...

Page 245: ...sc fixing Page 5 118 Colorwriter LSR 2000 Printer Service Guide To remove oil pump B 1 Remove the pump drive plate according to step 1 for removing oil pump A on page 5 116 2 Remove the four screws and the bottle case side plate 3 Then remove the four screws and oil pump B 1 Screws 2 Bottle case side plate 1 Screws 2 Oil pump B ...

Page 246: ...trols hard disk drive functions and the communication between the printer and external devices This board has eight SIMM sockets capable of holding 4 or 8MB SIMM strips see SIMMs on the video controller PCB on page 5 124 See the following figure for the layout of components on the video controller PCB Video controller PCB DC controller PCB DC controller PCB Toner low detect receive PCB Mechanical ...

Page 247: ...interface connector HDD AUI Ethernet 10BaseT Parallel SCSI Panel fastener Panel fastene Video controller back panel 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 121 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 121 4 Carefully pull the video controller out of its slot in the printer To replace the video con...

Page 248: ...e is used to store spooled print jobs Available space on the hard disk drive is displayed on the Control Panel To remove the HDD 1 Turn OFF the printer Use ESD precautions when handling internal printer components 2 Remove the video controller PCB from the printer see To remove the video controller PCB on page 5 120 Video controller 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5...

Page 249: ... 8MB of memory depending on the requirements of the printer When replacing or upgrading SIMMs always install the largest capacity SIMMs in the lowest bank For example if the printer is configured for HDD mounting screws 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 125 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical ...

Page 250: ... seated in its slot 1 2 3 3 3 3 To release SIMM push down To release SIMM push up or 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 127 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 127 Note that SIMMs fit the socket only one way The index notch at one end of each SIMM near pin1 fits in the right side of the ...

Page 251: ...sconnect the screw and the three connectors from the terminal PCB 1 Screws 2 Top plate cover 1 Screw 2 Connectors 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 129 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 129 6 Disconnect the controller fan connector 7 Remove the six screws fixing the shield plate and r...

Page 252: ...nto the EEPROM on the new DC controller PCB 1 Screws 2 Connectors 3 DC controller cover 1 Screws 3 DC controller PCB 2 Connectors 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 131 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 131 Mechanical controller PCB The mechanical controller PCB controls the following ...

Page 253: ...rews and the PCB cover 1 Screws 2 Connectors 1 Screws 2 PCB cover 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 133 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 133 3 Remove the two screws and disconnect the connector to remove the connector mount 4 Next remove the two screws and disconnect the four connect...

Page 254: ...nal PCB Cassette size sensing PCB To remove the cassette sizing PCB 1 Remove the cassette 2 Remove the ejection unit according to steps 1 to 4 for removing the temperature humidity sensor on page 5 145 1 Screws 2 Terminal PCB 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 135 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service elect...

Page 255: ...ette size sensor cover 2 Leaf spring 1 Connector 2 Cassette size sensing PCB 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 137 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 137 Waste Toner Sensor PCB To remove the waste toner sensor PCB 1 Open the front door and raise the photosensitive drum door in the dire...

Page 256: ...Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 139 Toner low detect beam PCB To remove the toner low detect beam PCB 1 Remove the drive unit according to the procedure on page 5 28 2 Remove the screw and disconnect the connector to remove the toner low Detect beam PCB Note Do not touch the sensor unit with your bare hand If the sensor unit is dirty use lint free p...

Page 257: ... unit is dirty use lint free paper to clean it Power Supply To remove the power supply 1 Pull the pick up unit out toward you 1 Screw 3 Toner low detect receive PCB 2 Connector 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 141 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 141 2 Remove the connector cover 3 D...

Page 258: ...ply 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 143 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 143 High voltage Power Supply To remove the high voltage power supply 1 Remove the power supply according to the procedure on page 5 140 2 Remove the two screws and the grounding screw Disconnect the four conn...

Page 259: ...e frame 3 Remove the screw and then the fixing unit fan along with the duct 1 Screws 3 Mechanical controller PCB 2 Connectors 1 Screw 2 Fixing unit fan 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 145 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 145 4 Remove the six screws and the separation HVT PCB Temper...

Page 260: ...ve the sensor Note Do not touch the sensor unit with your hand If the sensor unit is soiled use lint free paper to clean it 1 Connector 2 Ejection unit 1 Temperature humidity sensor 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 147 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 147 Oil overflow sensor To remo...

Page 261: ...edures Colorwriter LSR 2000 Printer Service Guide 5 149 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 149 Oil sensor PCB To remove the oil sensor PCB 1 Remove the fixing unit according to the procedure on page 5 109 2 Remove the screw and then the oil sensor PCB along with the sensor cover 3 Disconnect the connector and disenga...

Page 262: ...ature humidity sensor on page 5 145 2 Remove the cassette 3 Remove the screw and disconnect the two connectors to remove the ejection PCB along with the ejection cover NOT AVAILABLE 1 Screw 2 Connectors 3 Ejection PCB 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 151 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Pa...

Page 263: ... the paper feeder to the printer 1 Power cord 1 Lock pin 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 153 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 153 3 Remove the other lock pin fixing the paper feeder to the printer 4 Two persons should firmly hold the sides in relation to the cassette installation s...

Page 264: ...5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 155 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 155 To remove the left cover 1 Remove the front cover and the rear cover 2 Remove the two screws and then the left cover To remove the right door 1 Remove the cassette 2 Open the right door 3 Remove the two E ring...

Page 265: ...e separation roller 1 Screw 2 Separation roller unit 1 E ring 2 Bushing 3 Separation roller 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 157 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 157 Pick up unit To remove the pick up unit 1 Remove the front cover and the right door 2 Remove the six screws and then ...

Page 266: ...then the cassette feed solenoid To remove feed roller 1 1 Remove the cassette 2 Open the right door 1 Screws 2 Pick up motor 1 Screw 2 Cassette feed solenoid 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 159 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 159 3 Remove the screw and then the feed roller unit 1 ...

Page 267: ...roller to remove the roller 1 E rings 2 Bearings 3 Gear 4 Dowel pin2 5 Feed roller 1 Pick up roller 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 161 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 161 To remove the cassette paper sensor PCB 1 Disconnect the connector and disengage the claw fixing the cassette...

Page 268: ...the two bushings and the two gears Then remove the shaft 1 E rings 2 Gears 3 Dowel pin 4 Bushings 5 Shaft 1 E rings 2 Bushings 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 163 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 163 3 Remove the screw 4 Disconnect the connector to remove the pick up sensor 1 Screw...

Page 269: ...e connectors 1 Screws 2 Gear cover 1 Connectors 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 165 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 165 4 Remove the three screws and then pull the paper feeder PCB along with the PCB mounting plate out toward you 5 Disconnect the three connectors and remove the pa...

Page 270: ...aper feeder PCB install it after matching the value of the side registration adjustment switch with that of the old PCB Power Supply To remove the power supply 1 Remove the rear cover 2 Open the right door 1 Screws 2 Paper feeder PCB 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 167 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Servi...

Page 271: ...ver 1 Claw 2 Cassette left rail 1 Screw 2 Holder cover 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 169 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 169 5 Disconnect the connector and remove the leaf spring to remove the cassette size sensing unit 6 Disengage the claw fixing the cassette size sensing PCB t...

Page 272: ... the installation of XJE system software are 5 Service Procedures Colorwriter LSR 2000 Printer Service Guide 5 171 Manual Colorwriter LSR 2000 Service Guide Draft Last Modified January 20 1996 7 30 pm File Service electrical Page 5 171 3 Turn on the CD ROM drive make sure it is free of and then push the eject button and insert the System Software CD The System Software CD must be inserted into the...

Page 273: ... arrow to scroll to Install Software and then press the Enter button 11 The next screen allows you to confirm that you want to install software use the up and down arrow buttons to display Yes and then press the Enter button The printer displays Scanning and then INSTALLING with a progress bar while it copies the system software from the CD If the installation is successful you will be prompted to...

Page 274: ...e system are plugged into the proper connectors on the back panel of the printer see Figure 6 1 below Make sure the power cable is plugged into the wall supply Make sure that the printer power switch is turned on Figure 6 1 Back panel of printer showing connectors If all the connectors are properly in place and the power is on continue to check the rest of the items in the preliminary on site chec...

Page 275: ...a well ventilated area Checking the print paper Check that the print paper being used is the one recommended for this printer see Appendix E Accessories and Supplies Make sure the paper is not damp Print with paper from a newly opened package and check results Checking consumable materials Is the waste toner bottle full Is one end of the lever of the cleaning belt sensor on the belt Is the fixing ...

Page 276: ...rinter you should dry each part with a dry cloth or leave the printer ON for 10 20 minutes Also note that toner cartridges if stored in a cold place and then brought into a warm room and immediately installed in the printer can cause poor image quality In this case make sure the customer unseals it only after it has sufficiently acclimatized to the room temperature 1 2 hours Checking for paper jam...

Page 277: ...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 Optional paper feeder unit paper jam 1 Open the paper feeder right door 2 Remove the jammed paper 3 Close the right door after taking out the paper Transfer drum unit paper jam 1 Open the front door 2 Open the upper cover Optional paper feeder ...

Page 278: ...s Colorwriter LSR 2000 Printer Service Guide 6 5 At this time be careful to not touch the window on the density sensor 3 Push the green lever down to the right and release the transfer drum lock Density sensor Transfer drum lock ...

Page 279: ...ensor when removing the paper 5 After removing the paper close the upper cover and return the green lever to its original position 6 Close the front door Fixing unit paper jam 1 Close the face up tray if it is open 2 Open the fixing unit cover 3 If you can locate the jammed paper remove it If you cannot find it open the fixing delivery unit move the green lever up down and remove the jammed paper ...

Page 280: ...agnostics on page 6 9 If an error occurs during the Start up diagnostics the orange activity light on the Control Panel flashes and an error screen will appear in the display window indicating the test that failed and an associated error code You can use the up and down arrow buttons to scroll through the list To exit the error screen press the CANCEL button and the printer will continue the boot ...

Page 281: ...J13 SIMMs on video controller PCB Locate the faulty SIMM When you locate the faulty SIMM reseat the SIMM in its socket If the problem persists clean the gold contacts on the edge of the strip with a pencil eraser and insert the SIMM into another socket If the SIMM fails in the second location replace it DRAM SLOT 320 DRAM CONFIG 330 or 350 D00 J6 J9 SIMMs on video controller PCB DRAM 340 J6 J13 SI...

Page 282: ...tion EPROM revision and video controller PCB Ethernet address 5 Select the tests that you want to run see Table 6 2 on page 6 10 for a list of all the tests Use the up and down arrow buttons to scroll through the list and the Online button to select a particular test An asterisk appears next to the each of the selected tests If you decide you don t want to run a test that is already selected press...

Page 283: ...ociated error code You can use the up and down arrow buttons to scroll through the list To exit the error screen press the CANCEL button and reboot the printer 9 If the extended diagnostics all pass the display window indicates that DIAGS PASSED PLEASE REBOOT To reboot the printer turn off the printer using the ON OFF switch Table 6 2 Video controller extended diagnostics Test name Error code Area...

Page 284: ... 460 462 470 472 490 4A0 4A2 4B0 4B3 4D0 4E0 4F0 U16 Ethernet controller chip Replace the video controller PCB ETH EXT TDR 480 481 U16 Ethernet controller chip U46 Ethernet transceiver chip F1 Ethernet filter for twisted pair Ethernet connector T1 Ethernet transformer for AUI Ethernet connector Checks the Ethernet network connections Note The printer must be connected to one of the network connect...

Page 285: ...orwriter to observe the developing and printing process To interrupt the developing or printing process open one of the printer doors SCSI QUIET 650 SCSI cable or U15 SCSI controller chip Check SCSI cable connections to the HDD and the video controller PCB If the problem persists you may need to replace the video controller PCB SCSI CMD REG 640 SCSI R W REG 630 SCSI RUPT RST 610 SCSI RUPT II 611 S...

Page 286: ...eck item next to the Step item number confirm the result as YES or NO and execute the relative measure If your decision is not mentioned proceed to the next Step and check in the same manner Table 6 3 Example No AC power Cause Step Check Decision Action Line voltage 1 Is the correct voltage present at the outlet NO Advise the user that the correct line voltage is not available at the outlet Power ...

Page 287: ...s Throughout this section procedures refer to using the printer driver tester for troubleshooting various printer malfunctions If the printer driver tester is not available these troubleshooting procedures should be used as a guideline Equipped with the following seven modes the tester also is used when troubleshooting and replacing the DC controller PCB SENSOR ACTUATOR READY CONTROL TEST PRINT PR...

Page 288: ...e be retained when you are ready to quit the mode press the Clear button to clear the data 4 TEST PRINT Executes each type of test print 5 PRINTER STATUS Monitors the condition of printer malfunctions 6 ADJUSTMENT Used when replacing the DC controller PCB In this mode the tester reads the various data written into the DC controller PCB EEPROM and writes those data into the new DC controller PCB 7 ...

Page 289: ...ester to output the print 3 Set the all black print in the manual feeding tray with the black side down 1 Display unit Shows the condition of each mode in 6 column LEDs 2 LEDs Show the condition of each mode by lighting or not lighting 3 Mode select keys Used to enter each mode 4 Numeral keys Used to input a numerical value in each mode 5 Reset button 6 Clear button Press the Reset and Clear butto...

Page 290: ...lack print paper will be picked up temporarily stopped at the fixing unit and then delivered 7 Turn the printer power switch OFF 8 Measure the width of the toner luster section on the print paper to confirm that it is within the range shown in the figure below Central section 5 8 0 6mm Left right sections 0 2mm to 1mm central section width To replace the transfer sheet 1 Use alcohol to clean the s...

Page 291: ...Various data are written into the EEPROM on the DC controller PCB Thus when replacing the DC controller PCB read the data written in it with the printer driver tester and then write the data into the new EEPROM on the DC controller PCB Use the ADJUSTMENT mode of the tester to write the data It can be used in Auto or Manual mode In Auto mode the data written in the EEPROM are read collectively simp...

Page 292: ...NTER key AAAA will appear on the display unit if the data are being written and FFFF if they are not being written To adjust leading edge registration This adjustment can be performed by either the Density Control Panel or the printer driver tester The procedure using the printer driver tester is described below Refer to Using the density control panel on page 2 1 for the procedure using the Densi...

Page 293: ...he NUMERAL keys BIT key Input the adjustment numerical value by the NUMERAL keys 05 35 0 5mm 3 5mm ENTER key AAAA will appear on the display unit if the data are being written and FFFF if they are not being written If you strike a key by mistake press the CANCEL key To adjust cassette side registration This adjustment can be performed by using either the Density Control Panel or the printer driver...

Page 294: ...e paper feeder to the printer 2 Set print paper in the paper feeder cassette 3 After the printer is turned ON and enters the Ready state switch the pick up slot to the paper feeder 4 Make an all black test print 5 Measure the span a in the figure below between the left edge of the paper and the printed pattern 6 Adjust the side registration adjustment switch so that the value measured in Step 5 is...

Page 295: ...ps 4 7 over again Image Defects Test patterns This printer has six types of test patterns that can be used in diagnosing image abnormalities Grid test pattern The grid test pattern largely can confirm skewing Vertical lines horizontal lines solid color solid white test pattern These test patterns largely can diagnose image abnormalities Paper leading edge a 5 SW301 CCW CW 0 4 3 2 2 6 7 1 8 9 ...

Page 296: ...R key to make a test pattern This test pattern will be executed in Full color Gradation pattern Paper size A4 or letter and 1 page print Note You can put either A4 or letter size print paper in the cassette If you enter a code by mistake press the CANCEL key to clear it If due to some irregularity you cannot select this mode or cannot operate in it or if print paper other than A4 or letter size is...

Page 297: ...1 Manual feeding tray E2 Paper feeder E3 Notes Press the CANCEL key when you want to stop continuous printing or to clear a code you have input by mistake When cassette or paper feed is specified the paper size is determined automatically When manual feed is specified be sure to specify the paper size If the size is not specified and print paper smaller than A4 is picked up there is a risk of soil...

Page 298: ...ge 6 30 Distortion Table 6 15 on page 6 35 Table 6 4 Image defect light Cause Step Check Decision Action 1 Does it improve when you adjust the image density YES Use the printer driver tester or the Density Control Panel to adjust the density Density sensor unit 2 Is the lens of the density sensor unit soiled YES Clean it with the designated brush Lack of toner 3 Does it improve when you replace th...

Page 299: ...ensity YES Operate the external device or Density Control Panel to adjust the density Density sensor unit 2 Is the lens of the density sensor unit dirty YES Clean it with the designated brush Poor contact 3 After cleaning the drum grounding use contact and the cartridge contact does the image density improve when you print a test pattern YES Clean the contacts and ensure their connections Poor con...

Page 300: ...ng the developing bias use contact and the toner cartridge contact does the image density improve when you print a test pattern YES Clean the contacts and ensure their connections Poor contact 4 Are the developing bias contact plate and the developing bias use contact firmly connected NO Clean the contacts and ensure their connections High voltage power supply PCB Developing bias Mechanical contro...

Page 301: ...tern YES Clean the contacts and ensure their connections Poor contact 3 Are the primary charging voltage contact plate and the primary charging voltage contact spring firmly connected NO Clean the contacts and ensure their connections High voltage power supply PCB Primary charging voltage Mechanical controller PCB 4 Is there continuity between the primary charging voltage contact plate and the hig...

Page 302: ...ler deformed or dirty YES Replace the deformed roller 4 Is the high voltage contact of the attraction roller or the discharge roller dirty or burnt YES Clean the contact Replace it if it cannot be cleaned 5 Is the spring pressing the attraction roller or the discharge roller against the transfer drum stretched YES Replace the stretched spring Feed guide Fixing entrance guide 6 Use the printer driv...

Page 303: ...action Poor discharge 3 Is recommended paper being used NO Advise the user to use recommended paper see user guide 4 Is the attraction roller or the discharge roller deformed or dirty YES Replace the concerned roller 5 Is the high voltage contact of the attraction roller or the discharge roller dirty or burnt YES Clean the contact Replace it if it cannot be cleaned 6 Is the spring pressing the att...

Page 304: ...separation corona wire YES Clean it Drum cartridge 3 Remove the drum cartridge Is the circumference of the photosensitive drum flawed YES Replace the drum cartridge Fixing unit 4 Is toner collected near the fixing entrance guide YES Replace the fixing entrance guide 5 Is the circumference of the fixing upper roller flawed YES After eliminating the cause of the flaw replace the roller 6 Is the clea...

Page 305: ...osensitive drum flawed YES Replace the drum cartridge Fixing unit 4 Is the fixing entrance guide dirty YES Clean the guide 5 Is the circumference of the fixing upper roller flawed dented etc YES After eliminating the cause of the flaw replace the roller 6 Is the cleaning belt winding mechanism operating abnormally YES Replace the defective part 7 Is the oil applying mechanism abnormal YES Replace ...

Page 306: ...ite horizontal line Cause Step Check Decision Action Fixing upper roller Drum cartridge Toner cartridge 1 Refer to Table 6 19 on page 6 37 to replace the fixing upper roller the drum cartridge or the toner cartridge System software corruption 7 Does it improve when you reinstall system software YES Reinstall system software SIMMs on video controller PCB 8 Are SIMMs seated properly on the board NO ...

Page 307: ...rt deformations etc visible on the transfer sheet YES Replace the transfer sheet Drum cartridge NO Replace the drum cartridge Table 6 14 Image defect poor fixing Cause Step Check Decision Action Fixing upper roller Fixing lower roller 1 Does the poor fixing appear vertically and in a line YES Check for flaws on the upper and lower rollers Fixing upper roller 2 Is the fixing lower roller dirty YES ...

Page 308: ...onnect them Laser scanner unit DC controller PCB YES Replace and check in the following order Laser scanner unit DC controller PCB Table 6 16 Image defects color aberration Cause Step Check Decision Action Gripper Gripper spring 1 Is the transfer drum gripper damaged Or is the gripper spring deformed YES Replace the damaged part Transfer sheet 2 Is the transfer sheet gouged or torn off YES Replace...

Page 309: ...e value Refer to the printer driver tester manual for details on the alteration method Paper 2 Is the paper damp YES Replace the paper Ask the user to wrap the paper in wrapping paper to prevent moistening Separation voltage 3 Does it improve when you forcibly turn OFF the separation voltage from the Density Control Panel YES Finished Paper 4 Was toner scattered on the print image after performing...

Page 310: ...eparation voltage 3 Does it improve when you forcibly turn ON the separation voltage from the Density Control Panel YES Finished Paper 4 Was streaking on the print image even after performing Step 3 YES Replace the paper with new one Separation charging unit Fixing unit NO Replace and check as follows Separation charging unit Fixing unit Table 6 19 Periods of appearance of dirt blank spots on imag...

Page 311: ...rresponds to the displayed code If due to some irregularity you cannot select this mode FFFF will appear on the display unit Furthermore use the SENSOR mode to monitor the operations of each sensor and the ACTUATOR mode for operation and monitoring of each actuator When executing the recommended service procedures described in this section be sure to pay close attention to the following points Whe...

Page 312: ... there continuity between fixing unit connectors J21 1 and J21 2 when the fixing unit is removed NO Check the continuity of each the fixing upper heater and the thermoswitch and replace defective parts Fixing lower heater Thermoswitch 4 Is there continuity between fixing unit connectors J21 3 and J21 4 when the fixing unit is removed NO Check the continuity of the fixing lower heater and the therm...

Page 313: ...ES Check the wiring between DC controller PCB connector J112 and the thermistor If it is normal replace the thermistor DC controller PCB Mechanical controller PCB NO Replace and check as follows DC controller PCB Mechanical controller PCB Table 6 22 E003 Fixing failure Cause Step Check Decision Action 1 Use the DISCHARGE mode of the printer driver tester to release the error memory flag Next use t...

Page 314: ...tive parts Power supply unit 3 Does it improve when you replace the power supply unit YES Replace the power supply unit DC controller PCB Mechanical controller PCB NO Replace and check as follows DC controller PCB Mechanical controller PCB Table 6 24 E006 Oil overflow failure Cause Step Check Decision Action Poor connection 1 Are oil overflow sensor connector J29 fixing unit connector J21 and mech...

Page 315: ...hem Door switch 2 Disconnect connector J7 from the power supply unit When you turn the door switch SW2 ON is there continuity between connectors J7 1 24VB and J7 2 24VA NO Replace the door switch Fixing unit motor 3 About one minute after turning the power switch ON does the voltage between mechanical controller PCB connectors J2013 3 MON and J2013 4 GND change from about 5VDC to 0V YES Replace th...

Page 316: ...urn the door switch SW2 ON is there continuity between connectors J7 1 24VB and J7 2 24VA NO Replace the door switch Drum motor Mechanical controller PCB 3 Use the printer driver tester to rotate the drum motor Does it rotate NO Replace and check as follows Drum motor Mechanical controller PCB Transfer drum top sensor DC controller PCB 4 Is the transfer drum top sensor connector J43 connection goo...

Page 317: ...g unit drive clutch Mechanical controller PCB 4 Use the printer driver tester to rotate the developing unit motor Does it rotate YES Replace and check as follows Developing rotary brake clutch Developing unit drive clutch Mechanical controller PCB Developing unit motor Mechanical controller PCB NO Replace and check as follows Developing unit motor Mechanical controller PCB Developing rotary positi...

Page 318: ...ing unit motor Mechanical controller PCB Developing rotary position sensor Toner cartridge position sensor Mechanical controller PCB 4 Are connections between the mechanical controller PCB connector J2006 toner cartridge position sensor connector J59 and the developing rotary position sensor J60 good YES Replace and check as follows Toner cartridge position sensor Developing rotary position sensor...

Page 319: ...ner motor failure Cause Step Check Decision Action Poor connection 1 Is the DC controller PCB connector J102 connection good NO Reconnect it Power supply unit 2 Are there about 24VDC between DC controller PCB connectors J102 10 24VB and J102 5 GND NO Check whether 24VDC is being supplied between DC controller PCB connectors J101 4 24VB and J101 3 GND If it is not replace the power supply unit Lase...

Page 320: ...Power supply unit DC controller PCB Poor connection NO Reconnect them Table 6 34 E192 DC controller failure IC abnormal Cause Step Check Decision Action DC controller PCB 1 Replace the DC controller PCB Table 6 35 E193 Temperature humidity sensor PCB failure Cause Step Check Decision Action Temperature humidity sensor unit Mechanical controller PCB DC controller PCB 1 Are the temperature humidity ...

Page 321: ...k Decision Action DC controller PCB Mechanical controller PCB 1 Are the DC controller PCB connector J112 and mechanical controller PCB connector J2007 connections good YES Replace and check as follows Mechanical controller PCB DC controller PCB Poor connection NO Reconnect them Table 6 38 E702 Pick up communication failure Cause Step Check Decision Action Pick up PCB Mechanical controller PCB 1 Ar...

Page 322: ...ction Printer driver tester DC controller PCB 1 Are the printer driver tester connector J109 and DC controller PCB connector J109 connections good YES Replace and check as follows Printer driver tester DC controller PCB Poor connection NO Reconnect them Table 6 41 E800 Controller fan failure Cause Step Check Decision Action Poor connection 1 Is the mechanical controller PCB connector J2010 connect...

Page 323: ...nge from 0V to about 24VDC YES Replace the fixing unit fan Mechanical controller PCB NO Replace the mechanical controller PCB Table 6 43 E802 Electrical unit fan failure Cause Step Check Decision Action Poor connection 1 Is the mechanical controller PCB connector J2019 connection good NO Reconnect it Electrical unit fan 2 Disconnect mechanical controller PCB connector J2019 Immediately after turni...

Page 324: ...fixing unit connectors J21 1 and J21 2 when the fixing unit is removed NO Check the continuity of each the fixing upper heater and the thermoswitch and replace defective parts Fixing lower heater Thermoswitch 3 Is there continuity between fixing unit connectors J21 3 and J21 4 when the fixing unit is removed NO Check the continuity of each the fixing lower heater and the thermoswitch and replace d...

Page 325: ...er is installed YES Correctly re connect Poor connection 2 Are the paper feeder driver PCB connector J355 and power supply unit connector J361 connections good NO Reconnect them Power supply unit 3 Does it improve when you replace the paper feeder power supply unit YES Replace the power supply unit Paper feeder driver PCB Mechanical controller PCB DC controller PCB NO Replace and check as follows ...

Page 326: ...at the outlet NO Inform the user that rated voltage is not supplied at the outlet Power cord unplugged 2 Is the power cord firmly plugged into the printer the paper feeder and the outlet NO Replug it Circuit breaker 3 Is the circuit breaker OFF YES According to the note below press the button of the circuit breaker to turn it ON If the circuit breaker turns OFF again immediately after turning the ...

Page 327: ...e 6 53 Wiring DC load 3 Turn the power switch OFF and disconnect connectors J3 J4 and J5 Plug in the power cable and turn the power switch ON Are the above mentioned power supply unit connectors correctly outputting DC power Take care not to cause a short YES Turn the power switch OFF connect 1 of the disconnectedconnectors and turn the power switch ON Repeat this for all the connectors and invest...

Page 328: ...ted by the gears NO Check the gears and replace any damaged ones Pick up motor Pick up PCB 3 Use the printer driver tester to rotate the pick up motor Does it rotate NO Check the connection of pick up PCB connector J304 and if it is normal replace the pick up motor Replace the pick up PCB Pick up PCB 4 Turn the power switch OFF remove the pick up unit and disconnect the connector J33 Measure the r...

Page 329: ...rs NO Check the gears and replace any damaged ones Pick up motor Pick up PCB 3 Use the printer driver tester to rotate the pick up motor Does it rotate NO Check the connection of pick up PCB connector J304 and if it is normal replace the pick up motor Replace the pick up PCB Pick up PCB 4 Turn the power switch OFF remove the pick up unit and disconnect pick up PCB connector J303 Measure the resist...

Page 330: ...any damaged ones Paper feeder motor Paper feeder driver PCB 3 Use the printer driver tester to rotate the paper feeder motor Does it rotate NO Check the connection of paper feeder driver PCB connector J353 and if it is normal replace the paper feeder motor Replace the paper feeder driver PCB Paper feeder driver PCB 4 Turn the power switch OFF remove the paper feeder and disconnect paper feeder dri...

Page 331: ...J34 1 and J34 2 Is it about 145Ω YES Replace the pick up PCB Registration roller clutch NO Replace the registration roller clutch Table 6 52 Insufficient high voltage power supply output Cause Step Check Decision Action High voltage contact 1 Are the high voltage contact terminals soiled or burnt NO Clean the high voltage contacts High voltage power supply PCB 2 Does the trouble disappear when you...

Page 332: ...r 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 Figure 6 4 Paper transport route 1 2 3 1 Pick up unit 2 Transfer drum unit 3 Fixing delivery unit ...

Page 333: ... if it is dirty Replace it if worn or deformed Prism 7 Is the paper top sensor prism soiled YES Clean it Replace it if it cannot be cleaned or is flawed Sensor NO Replace the pick up PCB OHP sheet 8 Is dedicated OHP sheet being used and is it set correctly NO Advise the user to use dedicated OHP sheet and to set it correctly Excessive paper in manual feeding tray 9 Is more paper set in the manual ...

Page 334: ...re than the prescribed amount of paper in the cassette Cassette pickup roller Separation roller Feed roller 15 Is the cassette pick up roller the separation roller or the feed roller worn or deformed YES Replace the respective roller Faulty pick up NO Check according to Table 6 49 on page 6 56 or Table 6 50 on page 6 57 Table 6 53 Pick up unit continued Cause Step Check Decision Action ...

Page 335: ...disconnected Attraction roller 3 Is the attraction roller worn or deformed YES Replace the attraction roller Discharge roller 4 Is the discharge roller worn or deformed YES Replace the discharge roller High voltage contact 5 Is the high voltage contact of the attraction roller or the discharge roller dirty or burnt YES Clean the high voltage contact Replace it if it cannot be cleaned Spring 6 Is t...

Page 336: ... as prescribed NO Replace the fixing unit Cleaning belt 5 Is the cleaning belt being wound correctly NO Check the fixing cleaner unit Fixing separation guide 6 Is the fixing separation guide soiled Or is there a protrusion due to a flaw or toner adhesion YES Clean the guide Delivery paper sensor lever 7 Does the delivery paper sensor lever move smoothly NO Adjust it so that it moves smoothly Deliv...

Page 337: ...5 Is the separation pad surface worn YES Replace the separation pad Spring NO Replace the separation pad spring Table 6 57 Wrinkles Cause Step Check Decision Action Paper 1 Is recommended paper being used NO Advise the user to use recommended paper see User Guide 2 Do the wrinkles disappear when you use new paper YES As the paper probably was moist advise the user on the storage method Pick up uni...

Page 338: ...unit and replace any flawed or deformed parts Table 6 59 Skewing Cause Step Check Decision Action Paper 1 Is recommended paper being used NO Advise the user to use recommended paper see User Guide Cassette 2 Is the cassette set properly NO Set it correctly Excessive paper set 3 Is more paper set at the pick up slot than prescribed YES Advise the user not to set more than the prescribed amount of p...

Page 339: ...shooting 6 66 Colorwriter LSR 2000 Printer Service Guide Locations roles of electrical parts Switches Figure 6 5 Location of printer switches CSW3 CSW2 CSW1 CSW303 CSW302 CSW301 SW302 SW2001 SW1 SW2 SW1601 SW301 ...

Page 340: ...set switch for mechanical controller PCB CSW1 Cassette size sensing switch 1 CSW2 Cassette size sensing switch 2 CSW3 Cassette size sensing switch 3 SW301 Side registration adjustment switch paper feeder SW302 Right door switch paper feeder CSW301 Cassette size sensing switch 1 paper feeder CSW302 Cassette size sensing switch 2 paper feeder CSW303 Cassette size sensing switch 3 paper feeder ...

Page 341: ...ooting 6 68 Colorwriter LSR 2000 Printer Service Guide Sensors Figure 6 6 Location of printer sensors PS351 PS352 TP1 PS7 T H PS6 PS11 PS14 PS3 PS4 TH PS10 PS9 PS2 PS1 PS302 PS12 PS11 PS13 PS303 TP2 PS5 PS8 PS301 ...

Page 342: ...r drum 531 36 fig 2 PS8 Transfer drum top sensor L when at top position and L when at registration 531 46 fig 2 PS9 Delivery paper sensor Senses paper detected H 810 46 fig 1 PS10 Oil overflow sensor Senses overflow H from oil pan 2 Note When moving the printer an oil spill can easily disable the oil overflow and delivery paper sensors Take extra care when moving or shifting the printer and clean ...

Page 343: ...g lower roller surface temperature Thermoswitch TP1 Detects the fixing upper roller abnormal temperature TP2 Detects the fixing lower roller abnormal temperature Sensor T H Temperature humidity sensor 103 14 Table 6 61 Description of printer sensors continued Name Code Role Parts Catalog Figure No ...

Page 344: ...6 Troubleshooting Colorwriter LSR 2000 Printer Service Guide 6 71 Clutches Solenoids Figure 6 7 Location of printer clutches and solenoids SL5 CL1 CL2 SL4 SL6 SL7 CL4 SL1 SL2 CL3 SL3 SL8 SL9 SL351 ...

Page 345: ...eed solenoid SL2 Manual feed solenoid SL3 Cleaning belt drive solenoid L to turn fuser fixing unit cleaning belt SL4 Gripper drive solenoid H allows gripper to open when the t drum rotates SL5 Separation claw solenoid H to push the separation claw down to turn the sheet SL6 Attraction roller press solenoid L to turn cam to press transfer drum SL7 Drum press solenoid L to turn cam to press transfer...

Page 346: ...6 Troubleshooting Colorwriter LSR 2000 Printer Service Guide 6 73 Motors Figure 6 8 Location of motors and fixing heater FM3 FM2 M3 M4 H1 H2 FM1 M2 M5 M1 M6 ...

Page 347: ...er motors Name Code Role Motor M1 Pick up motor M2 Fixing unit motor M3 Developing unit motor M4 Drum motor M5 Cleaning brush motor M6 Paper feeder motor Paper feeder Fan motor FM1 Fixing unit fan FM2 Electrical unit fan FM3 Controller fan Fixing heater H1 Fixing upper heater H2 Fixing lower heater ...

Page 348: ...6 Troubleshooting Colorwriter LSR 2000 Printer Service Guide 6 75 PCBs Figure 6 9 Location of printer PCBs 6 13 1 4 3 9 8 10 2 2 11 5 12 7 14 15 7 ...

Page 349: ... developing unit fixing unit transfer drum peripherals pick up high voltage paper feeder etc 5 Pick up PCB Controls the pick up system loads 6 Terminal PCB Relays signals between the DC controller and the video controller 7 Cassette size sensing PCB Detects the cassette size 8 Toner low detect beam PCB Detects the toner amount Emitting unit 9 Toner low detect receive PCB Detects the toner amount R...

Page 350: ...52 J57 J56 J65 J15 J621 J2010 J2011 J2012 J2013 J2014 J2019 J2017 J2066 J2022 J60 J59 J110 J102 J701 J451 J401 J6 J1 J2 J7 J5 J4 J3 J16 J61 J1001 J631 J633 J632 J41 J62 J13 J15 J63 J851 J2007 J2005 J2004 J2003 J2002 J2001 J2009 J114 J108 J107 J106 J105 J112 J101 J104 J622 J804 J64 J802 J631 J632 J633 J312 J21 J97 J1601 J1602 J2008 J1502 J111J402 J58 ...

Page 351: ...orwriter LSR 2000 Printer Service Guide Figure 6 11 Location of printer connectors 2 of 3 J23 J1004 J29 J28 J22 J21 J31 J310 J302 J303J304 J301 J32 J33 J36 J35 J41 J47 J44 J43 J13 J345 J501 J103 J803 J46 J42 J305 J34 J2016 J2015 ...

Page 352: ...6 Troubleshooting Colorwriter LSR 2000 Printer Service Guide 6 79 Figure 6 12 Location of paper tray connectors 3 of 3 J361 J358 J359 J355 J354 J353 J352 J351 J356 J357 J312 ...

Page 353: ...r factory use only usually requiring adjustment and checking with high precision tools and adjusters Thus do not touch them even with your hand in the field Note the following Since leakage current flows in some LEDs that are good keep in mind that they may faintly emit light even when OFF Field serviceable VR Field non serviceable VR DC controller PCB Figure 6 13 Diagram of DC controller PCB J108...

Page 354: ...er LSR 2000 Printer Service Guide 6 81 Video controller PCB Figure 6 14 Diagram of video controller PCB HDD SIMMs SIMMs EPROM EEPROM HDD connector Printer interface connector SCSI connector Parallel connector Ethernet connectors ...

Page 355: ...Diagram of the mechanical controller PCB J2017 7 1 J2019 3 1 J2001 1 5 J2004 1 9 1 5 J2005 J2006 1 5 J2007 3 1 31 30 1 2 J2022 J2008 9 J2021 2 1 J2020 1 5 J2009 14 1 1 J2010 3 1 J2011 1 2 J2012 1 3 J2013 7 1 J2014 1 10 J2015 1 6 J2016 1 6 J2018 1 3 J2003 1 9 J2002 1 8 SW2001 SW No Role SW2001 Reset switch ...

Page 356: ...SR 2000 Printer Service Guide 6 83 High voltage power supply PCB Figure 6 16 Diagram of the high voltage power supply PCB 1 J1002 5 1 J1001 9 1 J1004 6 1 J1201 3 VR1201 VR1202 J1401 VR1001 VR No Role VR1001 Factory use VR1201 VR1202 ...

Page 357: ...on HVT PCB Figure 6 17 Diagram of the separation HVT PCB Ejection sensing PCB Figure 6 18 Diagram of the ejection sensing PCB 1 J1502 VR1501 J1506 J1505 J1503 J1504 3 J1501 1 5 VR No Role VR1501 Factory use 1 J1601 4 SW6001 J1602 1 4 SW No Role SW6001 Ejection sensing switch ...

Page 358: ...ng Colorwriter LSR 2000 Printer Service Guide 6 85 Cassette size sensing PCB Figure 6 19 Diagram of the cassette size sensing PCB 1 J312 SW3 SW2 SW1 4 SW No Role SW1 Cassette size sensing switch See Page 2 65 SW2 SW3 ...

Page 359: ...nter Service Guide Paper feeder driver PCB Figure 6 20 Diagram of the paper feeder driver PCB 1 J354 2 J353 1 6 J352 6 1 1 J351 8 J356 1 4 1 SW301 8 1 SW302 4 2 3 J355 1 4 SW No Role SW301 Right door switch SW302 Side registration adjustment switch ...

Page 360: ...customer s network administrator can eliminate many printing problems without requiring you to make a service call The network administrator deals with Some printer error conditions Network connection problems that result in the printer not appearing in the list of printers on the customer s workstation If the printer does not appear in the list of printers on the network there may be another devi...

Page 361: ......

Page 362: ... 514MB standard Control panel 8 buttons 6 LED s and a 2x16 LCD display Print Technology 4 Color CMYK Monocomponent Toner Laser Xerography Processor 32 bit RISC processor 100 MHz Mips 4600 Resolution 600x600 dots per inch standard 200 lpi contone 1 4 useful bits per pixel Monthly Usage 2 500 pages month Paper Types cutsheet U S A European A4 B5 legal transparencies and colored paper Networking and ...

Page 363: ...d Laser scanning system Toner Non magnetic single component dry toner Development Toner projection system Toner supply Replaceable cartridge Feeding Manual feed cassette feed feeding possible from upper and lower cassettes with optional paper feeder installed Image transfer Transfer drum transfer sheet Separation Electrostatic separation and separation claw Cleaning Cleaning blade Fixing method He...

Page 364: ...00 240V 50 60Hz Voltage tolerance 10 Dimensions W x D x H 21 3 x 22 4 x 4 1 540mm x 570mm x 105mm Shipping box for Feeder Kit 25 9 x 27 3 x 9 1 658mm x 694mm x 230mm Weight 21 lb 9 4kg Types Plain paper OHP film Paper Weights 17 28 lb 64 105 g m2 in multipurpose tray 17 24 lb 64 90 g m2 in all cassettes Qualified Paper US Letter Legal LN01X AB Hammermill LaserPrint 24 lb Japan A4 B5 Nihonseishi Ca...

Page 365: ...10mm x 297mm Legal 8 50 x 14 0 216mm x 357mm B5 JIS 7 17 x 10 12 182mm x 257mm 100 sheet 21lb multipurpose tray side tray 182mm to 216mm LEF 257mm to 357mm SEF Optional 250 sheet feeder with another universal cassette Simplex Deliveries Delivery capacity Face down tray 10mm stack about 100 pages of 75g m2 paper Face up tray 2mm stack about 20 pages of 75g m2 paper Notes For OHP printing use the de...

Page 366: ...25 sec or less A4 mono color 45 sec or less A4 full color fine mode Note The time from the reception of the print signal from the video controller until the delivery of an A4 size print when the printer is in ready state at a room temperature of 20 C Wait time 4 5 min or less 100V 220V 3 5 min or less 120V 240V Note The time from power ON until the printer finishes the wait state with rated voltag...

Page 367: ...humidity 0 35 C 10 80 RH Operating and non operating altitude 74 6 to 101 3 kPa 560 to 760 mmHg 0 to 2500m sea level Storage and transport main unit without supplies Normal storage 0 35 C 35 85 RH Severe storage 20 60 C 10 95 RH except between 45 60 C RH goes 95 50 RH 3 Temp C 230 Altitude 61 3 to 101 3 kPa 460 to 760mmHg 0 to 3000m sea level Storage and transport Supplies Normal storage 0 35 C 35...

Page 368: ...mensions W x D x H Printer only installed 21 3 x 22 8 x 18 1 540mm x 580mm x 460mm Printer with 250 feeder only 21 3 x 22 8 x 22 2 540mm x 580mm x 565mm Shipping box on pallet w printer 26 5 x 28 7 x 33 3 674mm x 730mm x 846mm Shipping box with out pallet 26 5 x 28 7 x 30 75 674mm x 730mm x 781mm Weight Printer only unloaded 110 lb 50 0kg Printer optional feeder only 131 lb 59 4 kg Shipping box wi...

Page 369: ...A FCC Part 15 Class B VDE 0871 Class B EN55022 CISPR 22 Immunity EN 50082 1 tested per IEC 801 2 level 4 1991 801 5 level 2 and will have the CE Mark Discharge a charged capacitor of 200 pF to the frame through resistance of 400 ohm and print out the internal pattern Operations displays and print images shall be normal when the capacitor is charged at 5 kV There shall be no component damage when t...

Page 370: ...2 x 50us Surge polarity Applied mode common normal Applied phase R S in common mode only The printer must operate normally when the surge is applied five times during standby and while printing Packaging Vibration Acceleration 9 8 m s s 1G Vibration direction three directions X Y and Z main unit Z direction only Frequency 10 Hz to 100 Hz Sweep time per cycle 5 minutes Application time 1 hour in ea...

Page 371: ...s Toner cartridge 60 cm Drum cartridge 60 cm 1 corner 3 edges 3 faces Silicon oil bottle 60 cm OHT 60 cm 6 faces 4 corners 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 CE mark will be included on the LNC01 A3 model ...

Page 372: ... hertz Hz Frequency range 48 62 hertz Hz Number of phases 1 none NA Input current steady state phase A 5 5 amperes A Ride through time 50 milliseconds ms Inrush current 120 amperes peak A 240 amps peak for less than 5 0 ms Line Voltage Line Frequency Resistance Leakage Current 100V 50 60Hz 1K ohm 1 mA or less 120V 60Hz 1 5K ohm 3 5 mA or less Test voltage Line voltage Frequency primary Primary bod...

Page 373: ...akdown shall not occur Parameter Minimum Type Maximum Units Symbol Nominal voltage 230 volts V Operational voltage range 198 264 volts V Nominal frequency 50 60 hertz Hz Frequency range 48 62 hertz Hz Number of phases 1 none NA Input current steady state phase A 2 6 amperes A Ride through time 50 milliseconds ms Inrush current 60 amperes peak A 120 amps peak for less than 5 0 ms Line Voltage Line ...

Page 374: ...ludes one power cord 10A 250V 2 5 meters Plug type CEE Pub 7 Sheet VII LNC01 AI Italy Includes one power cord 10A 250V 2 5 meters Plug type CEI 23 16 LNC01 AS Spain Includes one power cord 10A 250V 2 5 meters Plug type CEE Pub 7 Sheet VII LNC01 AT Israel Includes one power cord 10A 250V 2 5 meters Plug type SI 32 Parameter Minimum Type Maximum Units Symbol Start up current 4 3 rms amperes A Start ...

Page 375: ...lug type CEE Pub 7 Sheet VII LNC01 CD Belgium Holland and France Includes one power cord 10A 250V 2 5 meters Plug type CEE Pub 7 Sheet VII Remote utility software A complete description of remote utility software is provided in the User Guide For optimal performance current versions of the remote utility software should be maintained on every network computer that might print to the Colorwriter No...

Page 376: ... Test option Inspect printer for broken or worn components Vacuum and clean printer Perform any needed required preventative or corrective maintenance actions Clean printer exterior surfaces and ensure the work area is clean Document work performed Test printer before leaving the customer site There is one planned service maintenance at the fuser replacement interval of 60K pages Note 60K maintena...

Page 377: ...change based on future data Table B 1 60K maintenance kit No Part name Qty Service Life Part Number Remarks 1 Fixing unit 1 60 000 sheets 60 000 sheets RG5 1511 000 RG5 1537 000 100V 120V 220V 240V Note A warning message is displayed on the printer control panel when this part requires replacement After the message is displayed the printer will continue to print 500 sheets before stopping complete...

Page 378: ...ration roller unit lower or rear Open MP feed door which swings down Remove the front screw as shown in To remove the separation roller cassette pick up unit on page 5 56 Replace the feed roller 1 separation roller upper or front before putting the new separation lower or rear unit in and remember to align the pin in the shaft 3 Manual feeding pick up roller Open MP feed door which swings down Tab...

Page 379: ... the separation pad with the roller removed before replacing this roller Reattach the cover by first placing the notches in the bottom ribs then the cover will snap back on the shaft 4 Separation pad Follow the procedure To replace the separation pad manual feeding tray pick up unit on page 5 44 5 Cassette pick up rollers Place the pick up unit on its cover on a flat surface see To remove the pick...

Page 380: ...care not to contaminate it with solvents or oil Registration roller unit Registration roller unit Soft cloth Clean in the manner shown below when wastepaper collects at the boundary between the registration roller and sheet After wiping up the wastepaper with a soft soaked cloth dry the unit with a soft cloth Manual feeding tray pick up unit Separation pad Dry towel Clean Density sensor unit Densi...

Page 381: ...ing the printer Table B 4 Customer maintenance procedures Item Customer maintenance Toner cartridge Shake or replace the cartridge as required Drum cartridge Replace as required Waste toner bottle Replace as required see below Oil bottle Replace as required Registration roller unit cassette pick up unit Clean when wastepaper collects at the boundary between the metal registration roller and sheet ...

Page 382: ...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 4 Lightly tap the end of the photosensitive drum several times to drop the waste toner into the waste toner bottle and then pull it out ...

Page 383: ...Appendix B Maintenance Requirements B 8 Colorwriter LSR 2000 Printer Service Guide 5 Remove the cap from the new waste toner bottle and put it in the old bottle ...

Page 384: ...enance Requirements Colorwriter LSR 2000 Printer Service Guide B 9 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: ...Note In order to avoid oil spillage into the printer the oil should be temporarily removed any time the printer is shifted moved or relocated 1 Open the front door 2 Pull out the used oil bottle At this time take care to not spill the oil 3 Remove the cap from the new bottle and put it on the used one NEW USED ...

Page 386: ...intenance Requirements Colorwriter LSR 2000 Printer Service Guide B 11 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 ...

Page 387: ...one The printer is used in Operating Environment Zone A 20 27 5 C 40 70 RH Metric Value Unit Comments MTTI 0 5 hours One person MTTR 0 4 hours Customer interface diagnostics r r MTBF 19 1K hours or 26 2 months MTBPR 39 8 months Fuser pm MTBC 5 0 years Includes repairs nmu and PM NMU 40 0 MPBF 100K pages Full color 200K AMPV 2500 pages Average print pages per month Support Ratio 0 5 Life 150K pages...

Page 388: ...ngth 191mm Phillips screwdriver M4 M5 Length 85mm Flat bladed screwdriver Precision flat bladed screwdriver set Set of 6 Precision screwdriver Phillips head d 2 9mm Length 114mm Allen wrench set Set of 5 Fine file Allen hex screwdriver M4 Length of 107mm Diagonal cutting pliers Needle nose pliers Pliers Retaining ring pliers Crimper Tweezer Ruler For 150mm measurements Soldering iron 100V 30W Plas...

Page 389: ...er operation or reading writing the DC controller internal data This tool is available in a central location and is not available for routine service calls Spring hook B Used when removing installing the spring of the attraction roller in the transfer drum unit etc Gloves B Used for handling the transfer drum unit Contact extraction tool B Used for removing the upper lower heater contacts of the f...

Page 390: ... one No Material name Components Use Remarks 1 Alcohol ethyl pure or denatured or isopropyl pure or denatured C2H5OH CH3 2CHOH Cleaning plastic rubber external parts Purchase locally Flammable keep away from flame 2 MEK methyl ethyl ketone CH3CO C2H5 Cleaning oil and toner stains Purchase locally Highly flammable keep away from flame 3 Lubricating oil Petroleum mineral oil Apply between gear and s...

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Page 392: ...the printer to a new location be sure to remove any silicone oil in the printer with the oil pump included in the printer package Also remove the drum cartridge the four toner cartridges and the waste toner bottle Remove any oil from the oil catch tray with the oil removing tool and transfer the oil to the oil storage bottle Move the lever up and down about 50 times Then remove any oil in the bott...

Page 393: ...ngine chassis 6 Slide the door to the left off the hinges 7 Loosen the two large screws near the door hinges pull the black handles of the fixing unit toward you and lift the fixing unit straight up and out Be sure to keep the fixing unit level while you lift it Note Since there is a possibility of spilling oil when removing the fixing unit lift it out slowly and evenly If you spill oil wipe it up...

Page 394: ... oil to the printer other than what was removed The oil is very slippery and may cause skidding or slipping if spilled Use an absorbent material to contain and collect spilled oil for disposal Thoroughly clean any oily surface with an all purpose alkaline cleaner or have the surface carpeting for example commercially cleaned Except for cleaning plastic and vinyl surfaces petroleum distillates can ...

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Page 396: ...bbon cable 29 33052 01 10021172 4MB memory SIMM 29 33053 01 10021173 8MB memory SIMM 29 33057 01 10011320 English doc diskette kit 29 33058 01 10006137 English doc pack 29 33059 01 10011317 English Mac user software disk pack 29 33060 01 10011327 English Windows user software disk pack LNC1X UD 10007437 16MB memory upgrade kit LNC1X UE 10007438 32MB memory upgrade kit n a 70001279 Colorwriter prod...

Page 397: ...ace up tray 100 10B n a RB1 4872 000 Face up tray cover 100 10C n a RB1 4867 000 Pick up cover 100 5 n a RG5 1205 000 Manual tray cover 100 6 n a RG5 1204 000 Manual feed tray 100 7 n a RB1 4854 000 Manual tray slider 100 1 Inner Covers n a RB1 4480 000 Inner cover 1 103 17 n a RB1 4479 000 Inner cover 2 103 3 n a RB1 3976 000 Inner cover 3 530 41 n a RB1 3968 000 Transfer drum cover 530 9 n a RB1...

Page 398: ...er Drive solenoid unit 141 all 29 32951 01 RG5 1494 000 T Drum cleaning press drive 260 all 29 32952 01 RG5 1495 000 Discharge roller press drive 261 all 29 32953 01 RG5 1496 000 Drum press drive unit 262 all 29 32954 01 RG5 1497 000 Attraction roller press drive 263 all n a No part number Door switch upper assembly 120 all n a No part number Door switch lower assembly 121 all Paper Transport Syst...

Page 399: ...ller unit 1 311 33 29 32966 01 RG5 1168 000 Cassette pickup rollers 311 1 FD 29651 01 WG8 0291 000 Manual feed paper detect sensor 312 22 PS1 FD 29651 01 WG8 0291 000 Manual feed paper size sensor 312 22 PS2 Electrical PCBs See EFI list above n a Video controller PCB assembly n a RB1 4540 000 DC controller top plate 105 1 n a RB1 4551 000 DC controller mount 1 108 25 n a RB1 4552 000 DC controller...

Page 400: ...0 Separation HVT PCB 103 12 29 32980 01 RH7 7060 000 Temperature humidity sensor 103 14 FD 29651 01 WG8 0291 000 Oil overflow sensor 108 8 PS10 29 32973 01 RG5 1226 000 Oil sensor PCB 972 all PS13 n a No part number Ejection PCB 29 32981 01 RG5 1237 000 Ejection PCB assembly 975 all Transfer Drum Holder Unit 29 32982 01 RG5 1134 000 Transfer drum holder assembly 530 all 29 32983 01 RG5 1126 000 Tr...

Page 401: ... part number Separation charging density 580 all 29 32995 01 RG5 1152 000 Separation corona assembly 580 5 n a RB1 4156 000 Density sensor cover 580 10 Developing System See Miscellaneous items on page B 20 Toner cartridge s Not shown n a RB1 4445 000 Rotary unit sensor plate 108 4 n a RS5 0435 000 Rotary unit gear 107 9 n a RB1 4362 000 Developing rotary unit crossmember holder 500 1 n a RB1 4441...

Page 402: ...G5 1663 000 Separation roller unit R13 7 n a RB1 4212 000 Separation roller R13 7A n a RG5 1662 000 Feed roller unit 1 R12 16 n a RB1 4212 000 Feed roller 1 R12 16B n a RB1 5808 000 Feeder roller R12 9 n a RG5 1660 000 Paper pickup assembly front R12 all 29 32962 01 RH7 1223 000 Stepping motor R12 19 Paper feeder pickup motor n a RH7 5070 000 Cassette feed solenoid R12 20 n a RB1 5822 000 Paper fe...

Page 403: ...B R95 4000 700 LNC01 universal cassette LNC1X AG R95 6003 700 LNC01 OHT A size 50 bx LNC1X AH R95 6002 700 LNC01 OHT A4 50 bx LNC1X TA R95 5001 700 LNC01 paper feeder includes universal cassette LNC1X AA R74 3015 000 LNC01 toner cartridge K LNC1X AB R74 3014 000 LNC01 toner cartridge C LNC1X AC R74 3013 000 LNC01 toner cartridge M LNC1X AD R74 3012 000 LNC01 toner cartridge Y LNC1X AE R74 3011 000...

Page 404: ...hich can hold any size from 216 x 356 mm to 184 x 267 mm including Letter A4 Legal and B5 paper You can load only plain paper from 16 to 24 lb 61 to 90 g m2 into a paper cassette and the maximum capacity is about 250 sheets at 20 lb 75 g m2 C a u ti o n P re c a u c io n P re c a u c io n V o rs ic h t A tt e n ti o n SAFETY INFORMATION IMPORTANT NOTICE CONCERNING POWER CORD SELE CTION Figure 1 Fi...

Page 405: ...s more than one printer in service Toner cartridges Use of the genuine toner cartridges designed for this printer is recommended Four types of color toner cartridges are available cyan magenta yellow and black Memory upgrade kit SIMM configuration Part Number 16MB Four 4MB LNC1X UD 32MB Four 8MB LNC1X UE Description Part Number Cyan toner cartridge LNC1X AB Magenta toner cartridge LNC1X AC Yellow ...

Page 406: ... life for the particular color toner cartridge will become A Material Safety Data Sheet is available for toner cartridges Before installing a toner cartridge be sure to remove the two pieces of protective tape Silicone oil Silicone oil is used in the final fixing process before the paper comes out of the printer To prevent toner offset caused by toner on the fixing rollers the upper roller remains...

Page 407: ...dance with applicable federal state and local requirements Do NOT use any other than the specified silicone oil Do not dispose of the used silicone oil bottle in a flame of any kind Do not operate the printer when no silicone oil bottle is installed otherwise the printer may be damaged Drum cartridge kit Each drum cartridge kit LNC1X AE contains a drum cartridge and two waste toner bottles When yo...

Page 408: ...to feed transparencies via the multipurpose tray only Paper While most 17 28 lb paper is usable high brightness print media such as Hammermill s LaserPrint 24 lb paper is recommended for this color laser printer Also Teslin for laser printers and colored paper are acceptable It is a good idea to experiment using different types or brands of paper as long as it complies with these specifications Ma...

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Page 410: ...d EK PR9OE WC Italian Whole kit EK LSRCI DK Getting Started EK LSRCI GS User Guide EK LSRCI UG Quick Reference card EK LSRCI RC PostScript Language Addendum EK LSRCI PS Release Notes EK LSRCI RN German Whole kit EK LSRCG DK Getting Started EK LSRCG GS User Guide EK LSRCG UG Quick Reference card EK LSRCG RC PostScript Language Addendum EK LSRCG PS Release Notes EK LSRCG RN French Whole kit EK LSRCF...

Page 411: ...eds call 1 800 DIGITAL 1 800 344 4825 for technical assistance Electronic orders If you wish to place an order through your account at the Electronic Store dial 1 800 234 1998 using a modem set to 2400 or 9600 baud You must be using a VT terminal or terminal emulator set at 8 bits no parity If you need assistance using the Electronic Store call 1 800 DIGITAL 1 800 344 4825 and ask for an Electroni...

Page 412: ...ll 809 781 0505 or write Digital Equipment Corporation Inc 3 Digital Plaza 1st Street Suite 200 Metro Office Park San Juan Puerto Rico 00920 Fax 809 749 8300 In Canada call 1 800 344 4825 or write Digital Equipment of Canada Ltd 100 Herzberg Road Kanata Ontario Canada K2K 2A6 Attn DECdirect Sales Fax 613 591 4021 For internal orders call DTN 264 4446 or 603 884 4446 or write U S Software Supply Bu...

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Page 414: ...feeder driver 3 124 6 86 paper pick up 3 83 pick up 3 12 5 132 separation HVT 5 144 6 84 terminal 1 2 5 133 toner low detect beam 5 139 toner low detect receive 5 139 video controller 1 2 5 119 5 120 6 81 waste toner sensor 5 137 bottle case unit 5 90 5 114 buttons 2 1 2 2 cancel 2 7 COLOR SELECT 2 1 2 2 description 2 8 2 9 down 2 7 ENTER 2 1 2 2 enter 2 7 menu 2 7 next 2 7 online 2 7 previous 2 7...

Page 415: ...on xiv density xiv 2 1 5 18 LCD xviii printer xiv 1 5 2 1 2 7 separation control designation 2 1 2 5 test pattern pages 2 1 2 3 controller fan 5 19 5 21 covers external paper feeder 5 153 fixing unit 1 5 5 3 fixing unit removing 5 7 inner 5 3 inner removing 5 12 5 13 left 5 3 left cover removing 5 6 pick up 1 5 5 3 pick up removing 5 9 rear 5 3 5 7 removing 5 3 transfer drum 5 3 transfer drum remo...

Page 416: ...ing manually 6 9 SCSI Cmd Reg 6 9 6 12 SCSI FIFO 6 9 6 12 SCSI Fuse 6 9 6 11 SCSI Quiet 6 9 6 12 SCSI R W Reg 6 9 6 12 SCSI Rupt II 6 9 6 12 SCSI Rupt Rst 6 9 6 12 SIMMs 6 8 6 11 start up 6 8 start up error numbers 6 8 startup errors 6 7 video controller board 6 9 diagram attraction roller 3 38 DC and mechanical controller functions 3 4 DC controller signals 3 8 3 9 developing 3 59 3 60 3 63 devel...

Page 417: ...rds A 8 emissions laser 3 19 enter button 2 7 ENTER key 2 1 2 2 environment control diagram 3 71 correction 3 69 density control 3 69 half tone control 3 70 installation 6 2 specifications A 6 EPROM 5 120 6 8 6 10 EPS files printing 1 7 errors fixing 3 101 fixing heater 3 101 messages 2 9 startup 6 7 Eth Ext TDR 6 11 Eth Fuse 6 8 6 11 Eth Idle 6 8 6 11 Eth Int LpBk 6 8 6 11 Eth Quiet 6 8 6 11 Eth ...

Page 418: ...ller press cam 3 12 cassette pick up roller 3 12 cleaning brush press cam 3 12 discharge roller press cam 3 12 drum press cam 3 12 face down delivery roller 3 12 fixing roller 3 12 oil applying roller 3 12 removing 5 25 floppy disks user software 1 7 fonts 1 7 A 5 four color transfer process 3 26 3 27 front door 1 5 5 3 functions printer overview 1 4 3 2 fuses Ethernet 6 8 6 11 SCSI 6 9 6 11 G gri...

Page 419: ...2 1 2 2 left cover 5 3 removing 5 6 location printer xv requirements xv M M LED 2 1 2 2 maintenance C 3 manual feed 3 79 feeding pick up roller 1 3 1 6 5 43 feeding tray 1 5 1 6 manual diagnostics 6 9 manual feed solenoid removing 5 42 manual feeding paper lifting cam 3 12 manual feeding pick up roller 3 12 manual feeding tray 5 39 5 42 removing 5 11 mechanical controller PCB 1 2 3 3 3 5 5 131 6 8...

Page 420: ...moving 5 152 grip jam 3 114 gripper 3 36 3 37 handling 1 1 initial residual 3 118 jam 3 112 6 59 manual feed 3 79 manual feeding paper lifting cam 3 12 multi feed prevention 3 78 multi feed stationary jam 3 117 OHP 3 82 3 97 3 98 OHP jam 3 117 optional paper feeder unit E 1 pick up delay jam 3 112 pick up feed jam 3 126 pick up PCB 3 83 pick up feed 1 4 3 1 3 2 3 74 3 76 recommended brands E 5 sep...

Page 421: ...lling 4 2 life detection 3 54 motor 3 94 thickness detection 3 55 3 56 toner 3 62 waste toner collection 3 44 pick up cover 1 5 5 3 5 9 PCB 3 12 5 132 roller removing 5 160 sensor removing 5 161 unit removing 5 38 5 157 pick up motor cassette pick up roller 3 12 description 3 12 feed roller 3 12 manual feeding paper lifting cam 3 12 manual feeding pick up roller 3 12 registration roller 3 12 remov...

Page 422: ...sity sensor 5 82 developing rotary unit 5 86 developing unit motor 5 26 discharge roller 5 64 discharge roller press drive unit 5 33 display panel 5 17 drive unit 5 28 drum cartridge 5 80 drum motor 5 27 drum press drive unit 5 34 ejection PCB 5 150 electrical fan 5 24 external paper feeder covers 5 153 face down delivery unit 5 75 face up tray 5 9 feed roller 5 57 5 158 5 160 fixing cleaning unit...

Page 423: ...3 12 3 44 3 97 5 99 fixing lower 1 6 5 90 fixing upper 1 6 5 90 fixing delivery 1 6 fixing delivery removing 5 110 manual feed pick up replacing 5 43 manual feeding pick up 1 3 1 6 3 12 multi feed 3 79 oil 3 107 oil applying 1 6 3 12 pick up removing 5 160 primary charging 1 6 3 25 registration 1 3 1 6 3 12 registration upper lower removing 5 52 registration clutch removing 5 51 replacement B 3 se...

Page 424: ... 6 11 kits E 2 removal and replacement 5 125 software remote utility 1 7 service kit using 5 1 user 1 7 solenoids cassette feed removing 5 55 cleaning belt removing 5 76 description 6 72 gripper 5 58 gripper removing 5 72 location 6 71 manual feed 5 42 paper feeder cassette feed removing 5 158 separation claw 5 58 separation claw removing 5 67 spare parts D 1 specifications A 1 speed print 1 1 spr...

Page 425: ...3 97 3 103 5 90 5 104 thermoswitch 5 90 removing 5 98 toner cartridge 1 1 1 6 3 25 3 29 3 58 3 59 3 62 5 84 5 85 cartridge installation detection 1 3 3 30 cartridge separation 3 63 cartridge position 3 67 cartridge pressure 3 68 cartridges E 2 E 3 low detect beam PCB 5 139 low detect receive PCB 5 139 low detection 3 30 photosensitive drum 3 62 PS3 3 67 safety xx sensors 3 31 stirring function 3 2...

Page 426: ...5 3 5 4 V video data process 3 18 data processing 3 17 signals 3 17 3 19 3 120 video controller PCB 1 2 5 119 6 81 diagnostics 6 9 EEPROM 5 120 EPROM 5 120 hard disk drive 5 120 panel 5 120 removing 5 120 replacing 5 121 SIMMs 5 125 voltage 3 45 A 9 attraction roller 3 52 developing bias 3 48 diagram 3 46 3 48 discharge roller 3 52 separation charging unit 3 53 to primary charging roller 3 47 tran...

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