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8-38

Phaser 3450 Laser Printer Service Manual

Turn the printer upside down, remove 4 screws, and remove the 2 Bottom Cross
Bars from the printer.

Caution

The Tray Full actuator is exposed with the top cover removed. Be careful
when you turn the printer over to avoid damaging the actuator.

s3450-172

Содержание 3450B - Phaser B/W Laser Printer

Страница 1: ...Service Manual P h a s e r L a s e r P r i n t e r 3450...

Страница 2: ......

Страница 3: ...owing servicing instructions are for use by qualified service personnel only To avoid personal injury do not perform any servicing other than that contained in the operating instructions unless you ar...

Страница 4: ...n statement indicates an operating or maintenance procedure practice or condition that if not strictly observed could result in damage to or destruction of equipment Warning A warning statement indica...

Страница 5: ...or in the printer Use caution to avoid personal injury The surface is hot while the printer is running After turning off the power wait 30 minutes Avoid pinching fingers in the printer Use caution to...

Страница 6: ...ounded outlet If the product loses its ground connection contact with conductive parts may cause an electrical shock Disconnecting Power Turning the power off using the On Off switch does not complete...

Страница 7: ...ist strap before applying power to the unit to avoid potential shock After removing a static sensitive assembly from its anti static bag place it on a grounded conductive surface If the anti static ba...

Страница 8: ...n the supply conductors or between either supply conductor and ground A protective ground connection by way of the grounding conductor in the power cord is essential for safe operation Warning Labels...

Страница 9: ...s easily accessible during servicing Warning Do not touch any electrical component unless you are instructed to do so by a service procedure Servicing Mechanical Components When servicing mechanical c...

Страница 10: ...ity compliance and could void the user s authority to operate this product To ensure compliance use shielded interface cables A shielded parallel cable can be purchased directly from Xerox at www xero...

Страница 11: ...Limits Section 2 Limits for harmonic current emissions equipment input current less than or equal to 16A per phase EN61000 3 3 1995 IEC61000 3 3 Part 3 Limits Section 3 Limitation of voltage fluctuat...

Страница 12: ...for the environment A signed copy of the Declaration of Conformity for this product can be obtained from Xerox Line voltage dips IEC61000 4 11 1994 95 dip for cycle 50 Hz 30 dip for 25 cycles 50 Hz Li...

Страница 13: ...xii Phaser 3450 Laser Printer...

Страница 14: ...Parts 1 8 Consumables 1 9 Supply Life Counter Behavior 1 10 Printer Specifications 1 11 Physical Dimensions and Clearances 1 11 Functional Specifications 1 12 Electrical Specifications 1 12 Environmen...

Страница 15: ...Map 3 9 Error Messages and Codes Summary Table 3 13 Fuser Failure Low Heat or Overheat 0x56 0x57 0x58 3 14 LSU Error or 0x5A 3 15 Jam At Tray 1 2 3 or 0x01 3 16 Jam At Top 0x02 or Jam At Exit 0x03 3...

Страница 16: ...inter Components 5 2 Front Panel Test Print 5 3 Deletions 5 4 Fusing 5 5 Resolution 5 5 Registration and Skew 5 6 Skips or Smears 5 6 Print Quality Troubleshooting 5 7 6 Adjustments and Calibrations M...

Страница 17: ...sor PL 9 3 44 8 21 Paper Size Sensor PL 9 3 36 8 22 Exit Motor Drive Assembly PL 9 1 20 8 22 Main Fan Assembly PL 9 1 19 8 23 Sub Fan Assembly PL 9 3 35 8 24 Exit Roller Assembly PL 9 3 21 Transport R...

Страница 18: ...rive Motor Assembly 9 16 Exit Drive Motor Assembly 9 17 Registration Transport Assy 9 18 Power Supply Duplex Assembly 9 20 Paper Tray 9 21 Optional Lower Feeder Assembly 9 22 Xerox Supplies 9 25 10 Wi...

Страница 19: ...xviii Phaser 3450 Laser Printer...

Страница 20: ...eneral Information In this chapter Printer Introduction and Overview Printer Configurations Parts of the Printer Phaser 3450 Front Panel Configuration Main Board Service Parts Consumables Printer Spec...

Страница 21: ...ual is the primary document used for repairing maintaining and troubleshooting the printer To ensure complete understanding of this product participation in Xerox Phaser 3450 Laser Printer Service Tra...

Страница 22: ...forms and macros Features Printer Configuration 3450B 3450D 3450DN Max print speed Ltr Duplex A4 Duplex 25 NA 24 NA 25 14 ipm 24 13 ipm 25 14 ipm 24 13 ipm Memory Mbytes 32 160 32 160 32 160 Flash Mem...

Страница 23: ...rinter Exterior 1 Tray 1 MPT 6 Output Support 2 Tray 2 500 Sheet Feeder 7 Front Panel 3 Tray 3 Optional 500 Sheet Feeder 8 Top Output Tray Facedown 4 Paper Level Indicator 9 Top Cover 5 Right Main Boa...

Страница 24: ...odes of operation for the printer LED indicator Front Panel Button Descriptions Green Ready to Print or Printing Flashing Green Receiving Processing Data Printing or Power Saver Mode 1 LED On Line Sta...

Страница 25: ...Rear View Rear Panel Configuration Interfaces IEEE 1284 Parallel Ethernet 10BaseT and 100Tx USB Mode Press this selection at Power On Enter Service Diagnostics OK hold the OK button down 1 Power Swit...

Страница 26: ...Main Board in the printer Note NVRAM parameters are not transferable to the replacement board These include Serial Number and Copy Count Serial number can be reinstalled via CentreWare if the NIC Boa...

Страница 27: ...1 8 Phaser 3450 Laser Printer Service Manual Service Parts 1 Feed Roller 3 Fuser Assembly 2 Transfer Roller 3 s3450 163 2 1...

Страница 28: ...General Information 1 9 Consumables 1 Print Cartridge 1 s3450 164...

Страница 29: ...rder to display the near end of life and end of life messages The value currently stored in print cartridge cycles can be viewed using the Read OPC Cycle Service Diagnostic The trigger values are as f...

Страница 30: ...3 1 lbs with 5K cartridge Optional Feeder Cassette Dimensions Value Height 158 mm 6 22 inches Width 380 mm 14 96 inches Depth 446 mm 17 56 inches Weight 5 4 Kg 11 9 Lbs with packaging Clearance Value...

Страница 31: ...t print Continuous Operating Printing Speed ppm pages per minute ipm image per minute Letter 25 ppm Simplex 14 ipm Duplex A4 24 ppm Simplex 13 ipm Duplex Cleaning Cycle interval for continuous printin...

Страница 32: ...itude Operating Low Altitude Setting High Altitude Setting Transportation 0 2 500 meters 8 200 ft 0 2 050 meters 6 726 ft 2 050 2 500 meters 6 726 8 200 ft 0 6 092 meters 20 000 ft Acoustic Noise Idle...

Страница 33: ...r Heavy Plain Paper Transparency Thin Card Stock Thick Card Stock Labels Letterhead Glossy Coated Paper Business Greeting Card CD DVD Labels and Inserts Digital Photo Paper Weight 64 90 g m2 17 24 lb...

Страница 34: ...2 Chapter Theory of Operation In this chapter Overview of the Phaser 3450 Laser Printer Print Modes Printer Controls Paper Path of the Printer Duplex Paper Path...

Страница 35: ...r are applied to the supply roller and are then applied to the developer roller in a even layer controlled by the metering blade The developer roller turns against the drum and the toner particles are...

Страница 36: ...lution 300 x 300 dpi to extend print cartridge life 300 Used for printing with a resolution of 300 x 300 dpi 600 Used for printing with a resolution of 600 x 600 dpi Enhanced mode Used for printing on...

Страница 37: ...ecifications on page 1 14 for a complete listing of the media types for each tray Additional media types can be used in Tray 1 MPT After inserting the media in Tray 1 use the front panel controls to s...

Страница 38: ...k circuits to monitor changes in the printing environment for each section i e charging development transfer fixing etc and adjusting the appropriate supply voltages to achieve optimum printing result...

Страница 39: ...lack and the duplex path is shown in grey Duplex Paper Path When duplex print mode is selected the paper is first printed on side one When the image on side one of the paper is fused as detected by th...

Страница 40: ...Board combines the Image Processor and Engine Control functions It contains a 266 MHz 32 bit RISC processor and comes with a standard memory capacity of 32 Mbytes The board provides one expansion slo...

Страница 41: ...4 nIOCS 0 5 6 RCS 0 3 4 nWAIT nWR INT nRD Cent ronic s Connec tor PANEL 5Pin 6 HVPS Inter face 24 16 Power Supply Board 100PIN DIMM L CD Panel 6 0 P i n N et w o r k C o nn e c t o r NIC Card DATA 16...

Страница 42: ...user assembly The engine control section provides all of the principle operating voltages and control signals for the following printer operations Main Drive Motor Fuser Assembly High Voltage Power Su...

Страница 43: ...image data from the Main Board and uses that information to turn the laser beam on and off as required to correctly expose the drum Image data transfer from the Main Board is controlled by a synchroni...

Страница 44: ...o it adheres to the paper Pressure Roller provides pressure on the opposite side of the print media so the heat roller can embed the melted toner in the media Thermistor monitors the surface temperatu...

Страница 45: ...red and a Jam error message will display on the control panel Second the signal generated by the sensor tells the Main Board that the paper is almost at the transfer area and it is time to start the x...

Страница 46: ...Control Panel The signal from the Exit Sensor is also used to control paper feed to the Duplex Unit for duplex print jobs Duplex Unit The Duplex Unit is mounted in the bottom of the printer As paper...

Страница 47: ...2 14 Phaser 3450 Laser Printer Service Manual...

Страница 48: ...3 Chapter Error Messages and Codes In this chapter Introduction Servicing Instructions Service Diagnostics Error Messages and Codes Summary Table...

Страница 49: ...3 9 To troubleshoot problems such as start up and power on media paper path print quality or image problems and electrical failures not associated with a front panel message or code refer to the secti...

Страница 50: ...cessing Fault History 1 View the printer s fault history on the front panel a Go to Troubleshooting Service Tools Fault History or Jam History Or 2 If the printer is connected to a network and has a T...

Страница 51: ...Inspect and Clean the Printer 1 Switch OFF printer power 2 Disconnect the AC power cord from the wall outlet 3 Verify the power cord is free from damage or short circuit and is connected properly 4 Re...

Страница 52: ...the question is No then follow the instructions for a No reply 5 Troubleshooting Procedures may ask you to take voltage readings or test for continuity at certain test points within the printer For d...

Страница 53: ...pin that is either RTN Return or SG Signal Ground You can substitute any RTN pin or test point in the printer and you can use FG frame ground in place of any SG pin or test point 5 Before measuring v...

Страница 54: ...using the metal frame chassis as the grounding point To locate connectors or test points refer to Wiring Diagrams on page 10 1 for more information Unless otherwise specified the following voltage tol...

Страница 55: ...M access Service diagnostics are to be executed through the front panel by a certified service technician only The printer must be rebooted to enter Service Diagnostics Entering Service Diagnostics 1...

Страница 56: ...hlighted menu Executes the current test item Used to select a data value entered by the user Function Function Function Description Display Tray 3 Interface Selects and checks Tray 3 interface Tray 3...

Страница 57: ...s after OK button is pressed and stops when Cancel is pressed Fan Main ON OFF Solenoid Clutch Tray 1 Solenoid When OK button is pressed Tray 1 solenoid is energized for 150 msec then automatically de...

Страница 58: ...er Tray 3 W Out Paper Duplex Sensor Remove Tray 2 pull down on duplex jam gate actuate the sensor and confirm that message changes to Duplex Sensor On Duplex Sensor Off Cover Open Sensor With cover op...

Страница 59: ...with the cover open and the Print Cartridge out PTL ON OFF Laser Scanning Unit LSU Laser Diode Laser Diode turns on when OK is pressed and goes off when Cancel is pressed Laser Diode Test ON OFF Lase...

Страница 60: ...0x57 Engine Fuser Over Heat Error 0x58 Laser Errors Laser Failure Polygon motor not ready 0x5A Jam Errors Jam At Tray 1 2 3 Remove All Paper 0x01 Jam At Top Open Top Cover 0x02 Jam At Exit Open Top Co...

Страница 61: ...ycled and the error still appears Troubleshooting Reference Applicable Parts Wiring and Plug Jack Map References Fuser heat lamp Print Engine Interconnect Diagram on page 10 2 Fuser overheat thermosta...

Страница 62: ...pears Troubleshooting Reference Applicable Parts Wiring and Plug Jack Map References LSU Print Engine Interconnect Diagram on page 10 2 Print Engine Controller Board Troubleshooting Procedure Steps Ac...

Страница 63: ...peration of the tray solenoids Do the tray solenoids operate correctly Go to Step 2 Replace the inoperative solenoid 2 Using the embedded diagnostics check operation of the Regi Clutch and Feed Clutch...

Страница 64: ...ocedure Steps Actions and Questions Yes No 1 Does paper jam in front of or just inside the Fuser Replace the Power Supply Board Go to Step 2 2 If paper jams in the fuser and the fuser discharge roller...

Страница 65: ...connect Diagram on page 10 2 Duplex Assembly Power Supply Board Main Board Transport Roller Shaft Assembly Troubleshooting Procedure Steps Actions and Questions Yes No 1 Does paper jam after reversal...

Страница 66: ...rts Wiring and Plug Jack Map References Tray Full Sensor Print Engine Interconnect Diagram on page 10 2 Main Board Troubleshooting Procedure Steps Actions and Questions Yes No 1 Check the operation of...

Страница 67: ...ck Map References Cover open interlock switch Print Engine Interconnect Diagram on page 10 2 Switch actuator lever Main Board Troubleshooting Procedure Steps Actions and Questions Yes No 1 Is the swit...

Страница 68: ...4 Chapter General Troubleshooting In this chapter Introduction Preliminary Procedures Front Panel Troubleshooting Paper Size Switch Assembly Power Supply Troubleshooting Media Jams and the Paper Path...

Страница 69: ...e printer 4 Is the other end of the AC power cord plugged into a grounded three pronged AC wall outlet 5 Is the printer located in an area where the temperature and humidity are moderate and stable as...

Страница 70: ...reseat all connections to the Main Board 2 Remove and reseat the Front Panel connector 3 Replace the Front Panel wiring harness 4 Replace the Front Panel 5 Replace the Main Board Front Panel Continual...

Страница 71: ...ll Sensor 5 Replace the Output Full Sensor Harness 6 Replace the Exit Roller Assembly 7 Replace the Main Board Paper Size Switch Assembly Paper size and tray installation is determined by a combinatio...

Страница 72: ...C wall outlet Is there approximately 110 VAC or 220 VAC if the printer is a 220 V model at the AC wall outlet Go to Step 2 Notify the customer of improper AC output from the outlet 2 a Check the power...

Страница 73: ...er in the tray 7 Prior to performing any of the Jam procedures verify that the Registration and Fuser Exit actuators are not being held in the actuated position and that they move freely without bindi...

Страница 74: ...ly 2 a Is the tray damaged b Are parts missing Replace Tray 2 Assembly Go to Step 3 3 a Is Tray 2 Feed Solenoid release arm binding or unable to move freely Refer to Service Diagnostics Menu Map on pa...

Страница 75: ...Is the tray damaged b Are parts missing Replace Tray 3 Assembly Go to Step 3 3 a Is Tray 2 chute obstructed Clear obstruction Go to Step 4 4 a Is the interface connector between the printer and Tray...

Страница 76: ...d Step Action and Questions Yes No 1 Is the Registration Feed Sensor Actuator damaged or binding Repair or replace the actuator and or sensor Go to Step 2 2 Do the Registration Rollers turn freely Go...

Страница 77: ...amaged or binding Repair or replace the actuator and or sensor Go to Step 2 2 Is the Registration Sensor Actuator damaged or binding Repair or replace the actuator and or sensor Go to Step 3 3 Is pape...

Страница 78: ...ed or binding Repair or replace the actuator and or sensor Go to Step 2 2 Inspect the Exit Roller Assembly Is it damaged or binding Replace the Exit Roller Assembly Go to Step 3 3 Inspect the Fuser Is...

Страница 79: ...r Actuator damaged or binding Repair or replace the actuator and or sensor Go to Step 2 2 Inspect the Exit Roller Assembly Is it damaged or binding Replace the Exit Roller Assembly Go to Step 3 3 Insp...

Страница 80: ...Actuator damaged or binding Repair or replace the actuator and or sensor Go to Step 2 2 Use the embedded diagnostics to check the Duplex Sensor Is the sensor operational Go to Step 3 ReplaceDuplex Se...

Страница 81: ...roperly seated Does the error clear after reseating the cartridge Complete Go to Step 2 2 Reseat all harness connections to the Print Cartridge Interconnect Board Does the error clear Complete Go to S...

Страница 82: ...5 Chapter Print Quality Troubleshooting In this chapter Print Quality Problems Overview Defects Associated with Specific Printer Components Front Panel Test Print Print Quality Troubleshooting...

Страница 83: ...defect is still present when printing on approved media from an unopened ream of paper then components software applications and environmental conditions need to be researched When analyzing a print q...

Страница 84: ...d paper from a fresh unopened ream whenever possible to check the image quality of prints Make five copies of the test print Discard the first two prints and retain the remaining prints for image qual...

Страница 85: ...5 4 Phaser 3450 Laser Printer Service Manual Deletions Inspect the test print for the presence of deletions or unprinted spots If these are found go to Spot or Vertical Deletions on page 5 9 s3450 200...

Страница 86: ...5 10 Resolution Observe the three resolution check points on several test prints Ensure that the 2 pixel horizontal vertical and diagonal lines are clear and continuous The diagonal lines might appea...

Страница 87: ...ld be aligned perpendicular to the target crosshairs and should be within 2 0 mm of the target crosshairs each line on the target is 1 0 mm If the image does not meet the criteria refer to Skewed Imag...

Страница 88: ...was not removed from the cartridge Low toner Transfer Roller Laser contamination or obstruction Incorrect high voltage output Low ambient temperature 10 C Verify paper meets printer specifications Pr...

Страница 89: ...revious page prints on consecutive pages Operating environment Media paper Print Cartridge Transfer Roller Fuser assembly Incorrect high voltage outputs Printer is installed in specified environment V...

Страница 90: ...ace Print Cartridge NOTE Refer to Defects Associated with Specific Printer Components on page 5 2 for defect pitch Remove the Transfer Roller and clean dust off If deletions repeat every 57 mm replace...

Страница 91: ...nsportation areas for proper operation Inspect clean replace Fuser assembly as necessary Skips Smears Skips loss or stretching of the image in bands across the process direction Smears the distortion...

Страница 92: ...6 Chapter Adjustments and Calibrations In this chapter Margin Calibration Resetting NVRAM...

Страница 93: ...5e The default setting for Simplex Top Left is 0 0 Margins Duplex Top Left The Duplex Top and Left adjustment provides a method of changing the margin settings for the first imaged side of a duplex pa...

Страница 94: ...7 Chapter Cleaning and Maintenance In this chapter Service Preventive Maintenance Procedure Recommended Tools Cleaning Printing a Cleaning Sheet...

Страница 95: ...nted Recommended Tools Toner vacuum cleaner Clean water Clean dry lint free cloth Black light protective bag Cleaning Caution Never apply alcohol to any parts in the printer Never use a damp cloth to...

Страница 96: ...at the Ready state and with approved paper loaded in the tray 2 Press the Menu button on the Front Panel Menu Information displays 3 Use the arrow buttons to scroll through the menu until Troubleshoot...

Страница 97: ...7 4 Phaser 3450 Laser Printer Service Manual...

Страница 98: ...8 Chapter Service Parts Disassembly In this chapter Overview General Notes on Disassembly Removing Service Parts and Consumables Print Engine Disassembly...

Страница 99: ...rt simply reverse the Removal Procedure shown In some instances the Replacement Procedure is included because it may contain special steps For specific assemblies and parts refer to the Parts Lists on...

Страница 100: ...match the names that appear in the Parts List For example a part called the Registration Transport Assembly may appear on the Parts List as Assembly Transport Regi Caution Many parts are secured by p...

Страница 101: ...printer 3 Grasp the handle on the top of the Print Cartridge and pull it toward the front of the printer while also lifting it out of the printer 4 Place the Print Cartridge in a light proof bag or ot...

Страница 102: ...act goes on the gear side of the Transfer Roller 5 Slide the roller slightly to the right so the end of the shaft clears the lip on the printer case and lift the Transfer Roller together with the Bear...

Страница 103: ...ws go on the bottom Reassembly Caution When reinstalling the Fuser insert it gently and be careful not to force the gears Make sure that the Fuser is firmly seated on both ends and that the ground wir...

Страница 104: ...emove the power cord from the wall outlet 2 Remove the 2 screws securing the Right Cover 1 to the back of the printer 3 Slide the cover toward the back of the printer to disengage the 3 retaining hook...

Страница 105: ...er screw Note The rear cover will have to be closed most of the way when sliding the left hand cover assembly to the rear so the cover will clear the bottom lip of the rear cover The rear cover will t...

Страница 106: ...e printer 3 Open Tray 1 the rear cover and the front section of the Top Cover Note If the NIC Card is installed remove it page 8 17 to access the connectors on the Main Board 4 Disconnect CN 4 Front P...

Страница 107: ...p Cover Assembly from the printer Caution Remove the cover carefully while feeding the cables and connectors removed from the Main Board through the chassis access holes Tray 1 Cover Assembly PL 9 1 2...

Страница 108: ...k from the left cover slot Next flex the top of the right track and release right Tray Link 4 Raise the cover slightly so the boss located behind the hinge on the left side of the cover clears the hin...

Страница 109: ...under the pressure arm of the Retard Assembly Be careful not to lose the spring When reinstalling the Retard Assembly ensure that the spring is securely mounted and seats correctly over the boss on th...

Страница 110: ...ve the Links 6 Remove the two screws securing the Front Cover to the printer unlatch the two retaining hooks on each side and remove the Front Cover Tray 1 Lift Plate PL 9 1 3 1 Remove the Front Inner...

Страница 111: ...3 1 Open the rear cover and remove the screw that secures the strap to the rear of the printer Note You can also pry the cover end of the strap off the retainer and slide it free of the cover while l...

Страница 112: ...e rear cover to the left to free the right hinge pin see above and remove the rear cover 4 If you are replacing the rear cover assembly remove the strap for use on the new cover assembly Pry the top e...

Страница 113: ...he interlock switch however the Right Cover must be removed in order to disconnect the interlock switch connector CN 2 from the Cover Interconnect Board Routing the switch cable to the Main Board is e...

Страница 114: ...ht Cover Assembly page 8 7 Caution Observe proper ESD procedures when removing or replacing any circuit boards in the printer Refer to General Notes on Disassembly on page 8 3 2 Remove 2 thumbscrews s...

Страница 115: ...he printer Refer to General Notes on Disassembly on page 8 3 2 Disconnect all connectors from the Main Board 3 Remove 6 screws securing the Main Board to the Main Board Bracket 4 on the right side of...

Страница 116: ...the NIC Board is installed or via a downloadable PJL command Replacement Notes Note When reinstalling the Main Board the short machine screw goes in the top right corner of the board Main Drive Assem...

Страница 117: ...tion Clutch to the Feed Roller Shaft and remove the Registration Clutch 6 Remove the screw securing the Cover Interconnect Board to the Main Drive and move it out of the way 7 Remove 6 screws that sec...

Страница 118: ...ned Tray 2 Solenoid PL 9 1 28 1 Remove the Main Drive Assembly page 8 19 2 Disconnect CN 10 between the Tray 2 Solenoid and the Connector Board 3 Remove 2 screws that secure the Tray 2 Solenoid to the...

Страница 119: ...emoving the rear crossbar However to provide improved access remove the crossbar screw above the Paper Size Sensor and loosen the screw on the other side so you can swing the crossbar out of the way 5...

Страница 120: ...the screw head and the motor Main Fan Assembly PL 9 1 19 1 Remove the Top Cover Assembly page 8 9 2 Disconnect the Main Fan connector CN 15 from the Main Board see Map 1 Main Board on page 10 3 Note I...

Страница 121: ...ecuring the Laser Assembly sufficiently to route the fan cable under the laser Sub Fan Assembly PL 9 3 35 1 Remove the Top Cover Assembly page 8 9 2 Disconnect the Sub Fan connector CN 21 from the Mai...

Страница 122: ...not already done during removal loosen the screws securing the Laser Assembly sufficiently to route the fan cable under the laser Install the Sub Fan with the label facing in to ensure proper air flow...

Страница 123: ...gear to the shaft Remove the gear 5 Repeat the procedure for the bearing on the right end of the Exit Roller shaft and remove the shaft 6 Lift the Exit Shaft Assembly out of the exit frame Caution The...

Страница 124: ...oller Shaft Assembly gear to the shaft and remove the gear 11 Repeat the procedure for the bearing on the right end of the Transport Roller Shaft Assembly and remove the shaft 12 Slide the bearings of...

Страница 125: ...securing the Laser Assembly to the printer chassis and lift the Laser sufficiently to access the harness Caution Be careful not to touch the window on the underside of the Laser Assembly 6 Carefully...

Страница 126: ...ly page 8 27 2 If the NIC Board is installed remove it page 8 17 3 Disconnect CN 4 CN 7 CN 8 and CN 9 from the Print Cartridge Interconnect Assembly 4 Disconnect CN 6 from the Main Board 5 Remove the...

Страница 127: ...4 Remove the 4 screws that secure the Registration Transport Assembly to the chassis 5 Lift up on the latch handle at the front and remove the gear cap item 1 at the right end of the Registration Tra...

Страница 128: ...ation Transport Assembly page 8 30 2 Remove 1 screw accessed from the bottom of the Assembly that secures the Registration Sensor to the Registration Transport Assembly and remove the Sensor Holder an...

Страница 129: ...lenoid to the Connector Board see Map 2 Connector Board on page 10 4 3 Remove 2 screws securing the Tray 1 Solenoid item 1 to the chassis and remove the solenoid Note The ground wire will also be remo...

Страница 130: ...ith the 2 bushings that secure the rack to the Tray 1 Feed Roller Shaft 5 Remove 1 screw on the right side of the printer that secures the bracket over the right end of the Feed Roller Shaft Remove th...

Страница 131: ...in the chassis then rotate the bearings to the rear to remove them from the shaft 7 Slide the shaft towards the right side far enough to free the left end of the shaft as shown by below 8 Pull the le...

Страница 132: ...ry to rotate the Pick Roller for removal release the solenoid then rotate the shaft gear clockwise 3 Release the securing tab on the Pick Roller slide it to the right and then using a small flat screw...

Страница 133: ...ly PL 9 3 7 1 Remove the Front Inner Cover page 8 12 2 Remove 2 screws and drop the Retard Roller Frame Assembly Tray 2 Paper Pick Assembly PL 9 3 67 1 Remove the Front Inner Cover Assembly page 8 12...

Страница 134: ...Service Parts Disassembly 8 37 3 On the right side of the printer press down the retaining tab and remove the Feed Roller Shaft Gear Assembly from the Feed Roller Shaft s3450 173...

Страница 135: ...Turn the printer upside down remove 4 screws and remove the 2 Bottom Cross Bars from the printer Caution The Tray Full actuator is exposed with the top cover removed Be careful when you turn the print...

Страница 136: ...to the front corners of the Duplex Guide Plate 6 Using a screwdriver pry up the locking tab and remove the stopper on the left side of the printer 7 Remove the screw securing the ground wire on the r...

Страница 137: ...ll out to free the bearing from the chassis then rotate the bearing to the rear and remove it from the shaft 10 Remove 4 screws securing the Paper Pick Assembly slide the assembly to the right side of...

Страница 138: ...page 8 36 2 Remove the spring release from the shaft on the left side of the pick roller shaft Caution Be careful not to drop the spring during removal 3 Remove the bearing on the right end of the pic...

Страница 139: ...areful not to damage the springs Power Supply Board PL 9 1 13 1 Remove the Duplex Guide Plate from the printer page 8 36 Steps 1 through 8 2 Slide the Tray 2 Paper Out Actuator item 1 to the left unti...

Страница 140: ...Assembly from its mounting location Note The screw that secures the ground wire to the back edge of the assembly is the short machine screw Caution Do not attempt to remove the Power Supply Board Ass...

Страница 141: ...N 2 CN 3 CN 4 and CN 101 from the Power Supply Board then remove the Power Supply Board Assembly to a work surface with the Power Supply up Reassembly Notes Note CN3 must be dressed correctly for reas...

Страница 142: ...4 screws securing the Power Supply Board to the Duplex Assembly and remove the board Exit Sensor PL 9 3 62 1 Remove the Power Supply Board page 8 42 2 Remove 2 screws securing the Exit Sensor to the c...

Страница 143: ...8 46 Phaser 3450 Laser Printer Service Manual...

Страница 144: ...9 Chapter Parts Lists In this chapter Serial Number Format Using the Parts List Print Engine Parts Xerox Supplies...

Страница 145: ...e sequence number of the printer produced on that day The serial number is coded as follows The text S N followed by the serial number in the barcode The barcode does not include a field identifier Th...

Страница 146: ...e up of the individual parts called out in parentheses 7 The notation with X Y following a part name indicates an assembly that is made up of components X through Y For example 1 with 2 4 means part 1...

Страница 147: ...Main Unit s3450 182 7 16 11 32 38 30 13 18 8 6 0 3 2 1 2 2 2 4 5 3 1 3 2 3 3 3 4 3 4 3 5 3 6 1 14 14 2 14 1 14 3 17 17 33 9 22 34 22 29 28 19 20 12 31 27 36 35 27 1 27 2 27 3 38 38 42 24 24 1 24 2 24...

Страница 148: ...tor Assembly 1 127K44860 12 Exit Motor Assembly 1 127K44870 13 Power Supply Board 110 Volts Power Supply Board 220 Volts 1 1 105K27080 105K27090 14 Duplex Guide Plate with 14 1 14 3 1 NS 15 Bracket Du...

Страница 149: ...S 34 PBA Sub Cover Joint NS 35 Bracket P Shaft MP NS 36 Bearing Pick Up NS 37 Gear Pick Up Cam NS 38 E Ring NS 39 CBF Harness SMPS NS 40 CBF Harness MPF Joint NS 41 Optional Network Interface Card NIC...

Страница 150: ...s Lists 9 7 Covers s3450 183 1 1 3 2 1 3 3 1 3 3 1 3 7 1 3 1 1 3 4 1 3 5 1 3 6 1 3 8 1 2 1 3 1 3 9 1 3 10 1 3 10 1 2 1 1 2 2 5 3 2 3 1 3 5 3 2 3 8 3 3 3 7 3 6 3 4 0 4 2 1 2 2 6 1 1 1 1 1 3 1 1 4 1 1 2...

Страница 151: ...1 3 NS 1 1 Front Panel with 1 1 1 1 1 4 019E63490 1 2 Top Cvr Intlck Switch with 1 2 1 and 1 2 2 110E14480 1 3 Top Cover with 1 3 1 1 3 10 1 802K69560 2 Right Cover Assembly with 2 1 and 2 2 1 802K69...

Страница 152: ...y s3450 184 1 2 6 6 2 1 7 2 2 2 2 2 3 2 4 2 4 1 2 4 2 2 4 3 7 1 7 2 7 3 7 8 7 4 7 5 7 6 7 7 5 14 15 16 16 15 8 9 10 19 19 1 19 2 19 3 19 4 19 20 34 37 33 21 22 23 20 20 24 20 22 35 28 4 3 26 27 29 30...

Страница 153: ...1 7 8 1 059K39100 8 Guide P Transfer NS 9 PMO Holder Plate Saw NS 10 IPR Plate Saw NS 11 12 13 14 Guide P Regi Upper NS 15 Spring ETC Lever NS 16 Holder M Bushing TX NS 17 Guide Plate Paper NS 18 19...

Страница 154: ...ble Tie NS 33 Actuator Out Full NS 34 Photo Interrupter NS 35 Connector NS 36 Paper Size Sensor Assy with 36 1 36 3 1 110K14290 37 Harness Out Full NS Service Parts List 9 3 Frame 1 Assembly Continued...

Страница 155: ...7 3 67 3 67 4 67 5 67 5 67 13 67 7 67 9 67 6 67 7 67 8 67 12 67 9 67 10 67 13 39 67 1 1 68 1 68 13 68 S 68 5 70 39 42 65 45 46 47 48 49 60 50 51 57 56 58 56 59 41 60 63 63 38 50 38 44 38 43 52 66 61 6...

Страница 156: ...er NS 48 ELA HOU Varistor NS 49 IPR P GND Motor Main2 NS 50 IPR P GND Guide TR NS 51 AC Harness Assy 1 962K26720 52 Hinge M Front Guide Dup NS 53 Print Cartridge Interconnect Board 1 960K12310 54 55 5...

Страница 157: ...Service Manual 68 Tray 2 3 Retard Assy with 68 1 68 13 1 022E29540 69 Shaft M Coupling Retard NS 70 Shaft M Gear Retard NS 71 Guide M Front NS Service Parts List 9 4 Frame 2 Assembly Continued No Nam...

Страница 158: ...r 110V Unit Fuser 220V 1 1 126E02480 126E02490 2 1 2 2 2 2 2 8 2 8 2 5 2 3 2 7 3 1 2 6 2 9 2 4 3 6 3 7 3 2 3 4 3 3 1 17 1 14 1 6 1 10 1 14 1 10 7 3 8 3 5 1 6 1 8 5 3 2 1 16 1 16 1 17 8 1 2 1 13 7 1 9...

Страница 159: ...r Printer Service Manual Main Drive Motor Assembly Service Parts List 9 6 Main Drive No Name Description Qty Part Number 0 Main Drive Motor Assy 1 127K44860 0 1 2 5 3 4 6 7 8 9 10 11 12 13 14 Harness...

Страница 160: ...Parts Lists 9 17 Exit Drive Motor Assembly Service Parts List 9 7 Exit Drive No Name Description Qty Part Number 0 Exit Motor Assy 1 127K44870 0 4 1 2 Harness Motor 3 4 5 6 6 8 9 10 11 12 7 s3450 188...

Страница 161: ...8 Registration Transport Assy No Name Description Qty Part Number 0 Reg Transport Assy 1 059K39130 1 Guide P Regi Lower NS 2 Roller regi Lower L NS 3 Shaft Regi Upper NS 4 Roller M Regi Idle S NS 5 R...

Страница 162: ...Bush M Roller Regi L NS 12 E Ring NS 13 Bush M Roller Regi L NS 14 Spring ES NS 15 CBF Harness MP Empty NS 16 Washer Plain NS 17 Cap M Wire PTL Upper NS 18 Cap M Bushing Actuator NS 19 Cap P Bushing R...

Страница 163: ...ly No Name Description Qty Part Number 0 Power Supply Board 110 Volts with 1 and 2 Power Supply Board 220 Volts with 1 and 2 1 1 105K27080 105K27090 1 SMPS V1_HVPS SMPS V2_HVPS NS NS 2 Duplex Roller A...

Страница 164: ...er Tray Service Parts List 9 10 Paper Tray No Name Description Qty Part Number 0 Paper Tray with 1 26 1 109R00722 19 19 20 20 11 10 12 12 11 8 11 13 12 11 14 7 23 24 22 21 1 17 9 26 16 17 12 15 18 6 5...

Страница 165: ...ssembly 105 105 32 31 102 101 28 103 102 18 1 24 0 101 101 20 27 27 11 12 27 10 1 10 2 10 3 10 4 10 5 101 10 9 4 26 26 4 5 6 6 6 105 13 14 17 15 33 16 2 3 104 103 8 8 7 1 25 101 22 34 102 33 19 18 101...

Страница 166: ...1 022E29540 11 Coupling Retard Shaft SCF NS 12 Shaft Gear Retard NS 13 Gear Pick Up Cam SCF NS 14 Tray 3 Solenoid 1 121E19280 15 Shaft Feed SCF NS 16 Tray 3 Feed Clutch 1 121E19290 17 Gear Regi Z25 N...

Страница 167: ...BF Harness LIU GND NS 33 CBF Harness OPE NS 34 Bush Cable NS 35 ELA HOU CST Sensor Hawk 16 NS 36 Harness Paper Size NS 101 Screw Taptite NS 102 Screw Taptite NS 103 Screw Machine NS 104 E ring NS 105...

Страница 168: ...0 Standard Capacity Print Cartridge Box 004 5351 00 500 Sheet Paper Tray Box 004 5349 00 550 Sheet Feeder Box 004 5348 00 Transfer Roller Box 004 5350 000 Power Cords Description Part Number Cable Ass...

Страница 169: ...DIMM 097S03134 Network Interface Card NIC 097S03130 500 Sheet Replacement Paper Tray 109R00722 Consumables Description Part Number Print Cartridge Phaser 3450 Laser Printer Standard Capacity 5K High C...

Страница 170: ...10 Chapter Wiring Diagrams In this chapter Print Engine Interconnect Diagram Map 1 Main Board Map 2 Connector Board Connection Diagram...

Страница 171: ...ATA 3 3 V P _ EMPTY P _ REGI THERM 1 THERM 2 P _ SIZE1 P _ SIZE 2 P _ SIZE 3 OUTBIN _ FULL 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 24 VS 7MAIN _ CLUT MP _ CLUT REGI _ CLUT MP _ EMPTY 3 3 V CST _ OUT GND 1 2 3...

Страница 172: ...10 3 Map 1 Main Board CN 15 CN 20 CN 17 CN 18 CN 11 CN 12 CN 16 RAM DIMM ROM DIMM CN 14 CN 1 CN 7 not used CN 10 CN 8 CN 21 CN 6 CN 4 s3450 195 CN 5 not used CN 9...

Страница 173: ...aser 3450 Laser Printer Service Manual Map 2 Connector Board Tray 1 Solenoid CN 11 Tray 2 Solenoid CN 10 Tray 2 Out Switch SW 1 Registration Clutch CN 14 Tray 1 Empty Sensor CN 13 Main Board CN 12 s34...

Страница 174: ...3 PANEL_TX 4 PANEL_RX 5 PANEL_RESET 6 GND 6P 6P 1 24V 2 24V 3 24VS 4 24VS 5 GND 6 5VS 2P 1 24 2 24VS MAIN MOTOR 4P 1 PA_1 2 PA_2 3 PB_1 4 PB_2 8P 1 24VS 2 24VS 3 GND 4 GND 5 GND 6 VCC 7 nSTART_STOP 8...

Страница 175: ...10 6 Phaser 3450 Laser Printer Service Manual...

Страница 176: ...Up Sequence 4 4 Environmental Specifications 1 13 Error Messages and Codes Summary Table 3 13 Exit Drive 9 17 Exit Jam Jam 2 4 11 Exit Motor Drive Assembly 8 22 Exit Roller Assembly 8 25 Exit Sensor 8...

Страница 177: ...feed from Tray 2 4 7 Paper mis feed from Tray 3 Optional Feeder 4 8 Paper Out Sensor 2 11 Paper Path of the Printer 2 6 Paper Pick 2 4 Paper Size Control 2 4 Paper Size Sensor 8 22 Paper Size Switch...

Страница 178: ...x0000040 3 17 Standard Orientation of the Printer 8 2 Sub Fan Assembly 8 24 Summary of the Printing Process 2 2 Supply Life Counter Behavior 1 10 System Controller Board 2 7 T Toner Control 2 5 Toner...

Страница 179: ......

Страница 180: ...071 0866 00...

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Содержание 3450B - Phaser B/W Laser Printer

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