Service Manual
Page 9
... to do so by using the On/Off switch does not completely deenergize the printer. S7300-03 Servicing Fuser Components Warning This printer uses heat to fuse the toner image to service the Fuser Assembly or adjacent components. viii Phaser 3450 Laser Printer Position the power cord so that it is VERY HOT. Warning Do not touch...
... to do so by using the On/Off switch does not completely deenergize the printer. S7300-03 Servicing Fuser Components Warning This printer uses heat to fuse the toner image to service the Fuser Assembly or adjacent components. viii Phaser 3450 Laser Printer Position the power cord so that it is VERY HOT. Warning Do not touch...
Service Manual
Page 14
... (ESD) Precautions vi Service Safety Summary vii Regulatory Specifications ix 1 General Information Printer Introduction and Overview 1-2 Printer Configurations 1-3 Parts of the Printer 1-4 Exterior 1-4 Phaser 3450 Front Panel Configuration 1-5 Phaser 3450 Laser Printer Rear View 1-6 Main Board 1-7 Service 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...
... (ESD) Precautions vi Service Safety Summary vii Regulatory Specifications ix 1 General Information Printer Introduction and Overview 1-2 Printer Configurations 1-3 Parts of the Printer 1-4 Exterior 1-4 Phaser 3450 Front Panel Configuration 1-5 Phaser 3450 Laser Printer Rear View 1-6 Main Board 1-7 Service 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...
Service Manual
Page 15
...3-5 General Notes on Troubleshooting 3-6 Voltage Measurements 3-7 Service Diagnostics 3-8 Service Diagnostic Front Panel Button Descriptions 3-9 Service Diagnostics Menu 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... Cartridge". . 4-3 Front Panel Continually Displays "No Paper in Tray [x 4-3 Front Panel Continually Displays "Output Tray Is Full 4-4 Paper Size Switch Assembly 4-4 Power Supply Troubleshooting 4-5 xiv Phaser 3450 Laser Printer
...3-5 General Notes on Troubleshooting 3-6 Voltage Measurements 3-7 Service Diagnostics 3-8 Service Diagnostic Front Panel Button Descriptions 3-9 Service Diagnostics Menu 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... Cartridge". . 4-3 Front Panel Continually Displays "No Paper in Tray [x 4-3 Front Panel Continually Displays "Output Tray Is Full 4-4 Paper Size Switch Assembly 4-4 Power Supply Troubleshooting 4-5 xiv Phaser 3450 Laser Printer
Service Manual
Page 16
...Tray 2 (Duplex Jam 2 4-13 CRUM Toner Error 4-14 5 Print-Quality Troubleshooting Print-Quality Problems Overview 5-2 Defects Associated with Specific Printer 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... Printing a Cleaning Sheet 7-3 8 Service Parts Disassembly Overview 8-2 Standard Orientation of the Printer 8-2 General Notes on Disassembly 8-3 Preparation 8-3 Removing Service Parts and Consumables 8-4 Print Cartridge Removal (PL 9.1.8 8-4 Transfer Roller Removal (PL...
...Tray 2 (Duplex Jam 2 4-13 CRUM Toner Error 4-14 5 Print-Quality Troubleshooting Print-Quality Problems Overview 5-2 Defects Associated with Specific Printer 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... Printing a Cleaning Sheet 7-3 8 Service Parts Disassembly Overview 8-2 Standard Orientation of the Printer 8-2 General Notes on Disassembly 8-3 Preparation 8-3 Removing Service Parts and Consumables 8-4 Print Cartridge Removal (PL 9.1.8 8-4 Transfer Roller Removal (PL...
Service Manual
Page 27
Transfer Roller 1-8 3. Fuser Assembly s3450-163 Phaser 3450 Laser Printer Service Manual Service Parts 2 1 3 1. Feed Roller 2.
Transfer Roller 1-8 3. Fuser Assembly s3450-163 Phaser 3450 Laser Printer Service Manual Service Parts 2 1 3 1. Feed Roller 2.
Service Manual
Page 29
... end-of-life and end-of -life messages. Consumables Print Cartridge* Service Parts Fuser Assembly Transfer Roller Feed Roller Kit Print Life High Capacity 10,000 Standard Capacity 5,000 125,000 125,000 125,000 1-10 Phaser 3450 Laser Printer Service Manual The Main Board monitors this counter in order to display the near...
... end-of-life and end-of -life messages. Consumables Print Cartridge* Service Parts Fuser Assembly Transfer Roller Feed Roller Kit Print Life High Capacity 10,000 Standard Capacity 5,000 125,000 125,000 125,000 1-10 Phaser 3450 Laser Printer Service Manual The Main Board monitors this counter in order to display the near...
Service Manual
Page 31
... immediately. Sleep/ Low Power/ Power Saver Mode: entered after a specified period of Print Engine inactivity since completion of the last print. Fuser On Fuser Off 100/115 VAC 400 W or less 100 W or less 15 W or less 240 VAC 400 W or less 100 W or less 15 W or less 1-12 Phaser 3450 Laser Printer Service Manual
... immediately. Sleep/ Low Power/ Power Saver Mode: entered after a specified period of Print Engine inactivity since completion of the last print. Fuser On Fuser Off 100/115 VAC 400 W or less 100 W or less 15 W or less 240 VAC 400 W or less 100 W or less 15 W or less 1-12 Phaser 3450 Laser Printer Service Manual
Service Manual
Page 35
... summarized. If the thermistor detects a Fuser overheat condition, it rotates. See the illustration on the drum surface. 4. The conductive transfer roller receives a high positive voltage (approximately +1000 VDC) from the drum. 2-2 Phaser 3450 Laser Printer Service Manual Overview of the Phaser 3450 Laser Printer Summary of the Printing Process The Phaser 3450 Laser Printer is composed of the following steps...
... summarized. If the thermistor detects a Fuser overheat condition, it rotates. See the illustration on the drum surface. 4. The conductive transfer roller receives a high positive voltage (approximately +1000 VDC) from the drum. 2-2 Phaser 3450 Laser Printer Service Manual Overview of the Phaser 3450 Laser Printer Summary of the Printing Process The Phaser 3450 Laser Printer is composed of the following steps...
Service Manual
Page 38
... transmitted to the Main Board. The laser diode converts the image data from the laser beam, variations in the printing environment for each section (i.e. In the Phaser 3450 Laser Printer, the process is detected by turning the heater lamp on the front panel display. The Fuser Control circuit keeps the Fuser temperature at 185º C during printing...
... transmitted to the Main Board. The laser diode converts the image data from the laser beam, variations in the printing environment for each section (i.e. In the Phaser 3450 Laser Printer, the process is detected by turning the heater lamp on the front panel display. The Fuser Control circuit keeps the Fuser temperature at 185º C during printing...
Service Manual
Page 39
... Path When duplex print mode is selected, the paper is shown in grey. When the image on side one of the printer provides access for printing. 2-6 Phaser 3450 Laser Printer Service Manual The diagram below shows the paper path through the duplexer and back up to the face down top tray. Paper... Path of more than 105 g/m2 (60 lb), you must insert the paper into Tray 1 and select the paper type. The paper is fused, as detected by the Fuser...
... Path When duplex print mode is selected, the paper is shown in grey. When the image on side one of the printer provides access for printing. 2-6 Phaser 3450 Laser Printer Service Manual The diagram below shows the paper path through the duplexer and back up to the face down top tray. Paper... Path of more than 105 g/m2 (60 lb), you must insert the paper into Tray 1 and select the paper type. The paper is fused, as detected by the Fuser...
Service Manual
Page 40
...128 Mbyte DIMM. Metering Blade D/R S/R OPC -500V -650V GND Develop Block Host Computer Main Board System Controller Face Down Stacker Fuser Exit Sensor Print Engine Controller Paper Path H.V.P.S LSU Developer OPC Registration Sensor /HSYNC s3450-165 Main Board The Main Board combines ...Parts, refer to be replaceable except as part of a larger component. Theory of 32 Mbytes. Major Assemblies and Functions The Phaser 3450 Laser Printer contains several subsystems. Each subsystem contains Service Parts identified in the parts list in Chapter 8 of this manual. An expansion...
...128 Mbyte DIMM. Metering Blade D/R S/R OPC -500V -650V GND Develop Block Host Computer Main Board System Controller Face Down Stacker Fuser Exit Sensor Print Engine Controller Paper Path H.V.P.S LSU Developer OPC Registration Sensor /HSYNC s3450-165 Main Board The Main Board combines ...Parts, refer to be replaceable except as part of a larger component. Theory of 32 Mbytes. Major Assemblies and Functions The Phaser 3450 Laser Printer contains several subsystems. Each subsystem contains Service Parts identified in the parts list in Chapter 8 of this manual. An expansion...
Service Manual
Page 42
...The power distribution section receives AC voltage and creates the required DC outputs (3.3 VDC, 5 VDC, and 24 VDC) to power the printer components. It also supplies AC voltage to the xerographic process ■ Optional Paper Tray 3 and Tray 1 The HVPS section generates ... 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 Supply (HVPS) ■ Laser Scanner Unit (LSU) ■ Sensors ■ Solenoids ■ Thermistor ■ All ...
...The power distribution section receives AC voltage and creates the required DC outputs (3.3 VDC, 5 VDC, and 24 VDC) to power the printer components. It also supplies AC voltage to the xerographic process ■ Optional Paper Tray 3 and Tray 1 The HVPS section generates ... 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 Supply (HVPS) ■ Laser Scanner Unit (LSU) ■ Sensors ■ Solenoids ■ Thermistor ■ All ...
Service Manual
Page 44
... supply is provided by the main drive motor and a series of Operation 2-11 Transfer Roller The transfer subsystem consists of the drum. The Fuser Assembly contains the following components: ■ Heat Lamp and Heat Roller: a halogen lamp generates the heat for all the paper path components ... Feed Drive The drive for the heat roller. The transfer roller provides a high positive potential on the control panel. Fuser Assembly The Fuser Assembly contains the entire Fuser Subsystem and is used to the Main Board, the control panel LED will blink yellow, and the Paper Out message for...
... supply is provided by the main drive motor and a series of Operation 2-11 Transfer Roller The transfer subsystem consists of the drum. The Fuser Assembly contains the following components: ■ Heat Lamp and Heat Roller: a halogen lamp generates the heat for all the paper path components ... Feed Drive The drive for the heat roller. The transfer roller provides a high positive potential on the control panel. Fuser Assembly The Fuser Assembly contains the entire Fuser Subsystem and is used to the Main Board, the control panel LED will blink yellow, and the Paper Out message for...
Service Manual
Page 45
... paper to the paper. Paper Transport The registration transport assembly continues to drive the paper into the Duplex Unit for printing on the drum. The fuser drives the paper into the exit rollers and the exit rollers drive the paper into the paper forming a permanent image. Paper is then directed into..., the drive direction is reversed when the exit sensor is actuated. When printing the first side of the developed image on the second side. 2-12 Phaser 3450 Laser Printer Service Manual When the paper goes between the fuser rollers.
... paper to the paper. Paper Transport The registration transport assembly continues to drive the paper into the Duplex Unit for printing on the drum. The fuser drives the paper into the exit rollers and the exit rollers drive the paper into the paper forming a permanent image. Paper is then directed into..., the drive direction is reversed when the exit sensor is actuated. When printing the first side of the developed image on the second side. 2-12 Phaser 3450 Laser Printer Service Manual When the paper goes between the fuser rollers.
Service Manual
Page 46
..., it stays on the sensor too long, the Main Board will shut down to position the paper for duplex print jobs. As paper leaves the fuser and is picked up by the Exit Rollers, the drive direction is mounted in turn activates the feed roller to the Duplex Unit. This in... the bottom of Operation 2-13 Theory of the printer. Duplex Unit The Duplex Unit is reversed to send the paper down the machine, the Control Panel LED will blink red, and a JAM 2 error message...
..., it stays on the sensor too long, the Main Board will shut down to position the paper for duplex print jobs. As paper leaves the fuser and is picked up by the Exit Rollers, the drive direction is mounted in turn activates the feed roller to the Duplex Unit. This in... the bottom of Operation 2-13 Theory of the printer. Duplex Unit The Duplex Unit is reversed to send the paper down the machine, the Control Panel LED will blink red, and a JAM 2 error message...
Service Manual
Page 49
Introduction This section covers troubleshooting procedures for the Phaser 3450 Laser Printer front panel error messages and codes. To troubleshoot problems, such as start up and power on page 4-1 or to verify a specific printer part is not visible on page 3-9. Only jams and fatal errors will display when ... Fuser Failure/Open Fuser Error 57 Fuser Failure/Low Heat Error 58 Fuser Failure/Over Heat Error Jam History Code Jam Error Message 01 Jam At Tray 1, 2, or 3 02 Jam At Top 03 Jam At Exit 04 Jam At Duplex 05 Jam At Tray/Remove Tray 2 3-2 Phaser 3450 Laser Printer ...
Introduction This section covers troubleshooting procedures for the Phaser 3450 Laser Printer front panel error messages and codes. To troubleshoot problems, such as start up and power on page 4-1 or to verify a specific printer part is not visible on page 3-9. Only jams and fatal errors will display when ... Fuser Failure/Open Fuser Error 57 Fuser Failure/Low Heat Error 58 Fuser Failure/Over Heat Error Jam History Code Jam Error Message 01 Jam At Tray 1, 2, or 3 02 Jam At Top 03 Jam At Exit 04 Jam At Duplex 05 Jam At Tray/Remove Tray 2 3-2 Phaser 3450 Laser Printer ...
Service Manual
Page 59
... . Measure voltage with a DMM, if required. Total OPC Cycle [XXX] 3-12 Phaser 3450 Laser Printer Service Manual Laser Diode Test (ON/ OFF) Displays the appropriate message Laser when the LSU is ready to change operationg temp. Bracketed letter following the target temp indicates Fuser state: [O] is on [X] is off when Cancel is pressed. PTL (ON/OFF...
... . Measure voltage with a DMM, if required. Total OPC Cycle [XXX] 3-12 Phaser 3450 Laser Printer Service Manual Laser Diode Test (ON/ OFF) Displays the appropriate message Laser when the LSU is ready to change operationg temp. Bracketed letter following the target temp indicates Fuser state: [O] is on [X] is off when Cancel is pressed. PTL (ON/OFF...
Service Manual
Page 60
... and Codes Summary Table Error Messages and Codes Summary Table Error Type Front Panel Message Fuser Laser Errors Jam Errors Memory Errors Tray Errors Toner Errors Fuser Failure (open/disconnected Fuser) Engine Fuser Low Heat Error Engine Fuser Over Heat Error Laser Failure (Polygon motor not ready) Jam At Tray [1] [2] [3]/ Remove All Paper Jam At Top/ Open...
... and Codes Summary Table Error Messages and Codes Summary Table Error Type Front Panel Message Fuser Laser Errors Jam Errors Memory Errors Tray Errors Toner Errors Fuser Failure (open/disconnected Fuser) Engine Fuser Low Heat Error Engine Fuser Over Heat Error Laser Failure (Polygon motor not ready) Jam At Tray [1] [2] [3]/ Remove All Paper Jam At Top/ Open...
Service Manual
Page 61
... "Print Engine Interconnect Diagram" on page 10-2 Troubleshooting Procedure Steps Actions and Questions 1 Remove Fuser 2 Check resistance of thermistor. No - Replace Main Board. 3-14 Phaser 3450 Laser Printer Service Manual Any obstructions, media, or debris has been removed from the fuser paper path. Yes Go to Step 2. Is heat lamp open ? 4 Check resistance of heat...
... "Print Engine Interconnect Diagram" on page 10-2 Troubleshooting Procedure Steps Actions and Questions 1 Remove Fuser 2 Check resistance of thermistor. No - Replace Main Board. 3-14 Phaser 3450 Laser Printer Service Manual Any obstructions, media, or debris has been removed from the fuser paper path. Yes Go to Step 2. Is heat lamp open ? 4 Check resistance of heat...
Service Manual
Page 64
...Does the sensor operate correctly? Error Messages and Codes 3-17 Go to Power Supply check operation of the Fuser Exit Sensor. Jam At Top(0x02) or Jam At Exit (0x03) The printer's front panel displays "Jam At Top or Jam At Exit". Any obstructions, media, or debris has been... removed from the paper path. Go to check operation of or just inside the Replace the Fuser? Power Supply Board. Board. Printer power has been cycled and the error still appears. Sensor, use the embedded diagnostics to Step 2. 2 If paper jams in front...
...Does the sensor operate correctly? Error Messages and Codes 3-17 Go to Power Supply check operation of the Fuser Exit Sensor. Jam At Top(0x02) or Jam At Exit (0x03) The printer's front panel displays "Jam At Top or Jam At Exit". Any obstructions, media, or debris has been... removed from the paper path. Go to check operation of or just inside the Replace the Fuser? Power Supply Board. Board. Printer power has been cycled and the error still appears. Sensor, use the embedded diagnostics to Step 2. 2 If paper jams in front...