Service Manual
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...Phaser 6250 Color Printer Common Acronyms: The following list defines the acronyms that may not be fournd in the area where you see the sign. Warning A warning indicates an operating or maintenance procedure, practice or condition that is neccessary to the FRU Parts List. ADC: Automatic Density Control BTR: Bias Transfer Roller...Discharge IDT: Intermediate Transfer Unit MCU: Engine Control Board NCS: Non-Contact Sensor PHD: Imaging Unit PL: Corresponds to efficiently accomplish a task. RMI: Routine Maintenance Item ROS: Laser Scanning Unit RTC: Charge Roller Note A note ...
...Phaser 6250 Color Printer Common Acronyms: The following list defines the acronyms that may not be fournd in the area where you see the sign. Warning A warning indicates an operating or maintenance procedure, practice or condition that is neccessary to the FRU Parts List. ADC: Automatic Density Control BTR: Bias Transfer Roller...Discharge IDT: Intermediate Transfer Unit MCU: Engine Control Board NCS: Non-Contact Sensor PHD: Imaging Unit PL: Corresponds to efficiently accomplish a task. RMI: Routine Maintenance Item ROS: Laser Scanning Unit RTC: Charge Roller Note A note ...
Service Manual
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Paper Pick 2-6 Laser Light Intensity Control 2-6 Process Control 2-6 LED Light Density CTD (ADC) Control of Sensor 2-8 Color Registration Control 2-9 Transfer Roller Assembly Control 2-11 Toner Control 2-12 Fuser Control 2-13 Paper Path of the Printing Process 2-2 Print Modes 2-5 Printer Controls 2-5 Paper Size Control 2-5 Selective Control; Contents Service Terms iv Symbols Marked on the Product v Power Safety...
Paper Pick 2-6 Laser Light Intensity Control 2-6 Process Control 2-6 LED Light Density CTD (ADC) Control of Sensor 2-8 Color Registration Control 2-9 Transfer Roller Assembly Control 2-11 Toner Control 2-12 Fuser Control 2-13 Paper Path of the Printing Process 2-2 Print Modes 2-5 Printer Controls 2-5 Paper Size Control 2-5 Selective Control; Contents Service Terms iv Symbols Marked on the Product v Power Safety...
Service Manual
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Transmission Route 2-31 Chute Assembly Registration (REGI 2-32 Transfer Roller and Fuser Assembly 2-33 Fuser Drive Assembly - Tray 2 2-20 HCF Drive and Gears - Transmission Route . . . . . 2-26 Retard Housing Assembly 2-27 Chute Assembly In 2-28 Chute ... D 3-21 Jam at Registration Roller: Jam RR 3-23 Misfeed at Tray 1 (MPT): Jam T1 3-25 Misfeed at Tray 2: Jam T2 3-28 Misfeed at Tray 3: Jam T3 3-31 Misfeed at Tray 4: Jam T4 3-34 Door and Cover Errors 3-36 Close Front Door 3-36 Consumable Errors 3-37 xiv Phaser 6250 Color Printer Transmission Route 2-17 Gear...
Transmission Route 2-31 Chute Assembly Registration (REGI 2-32 Transfer Roller and Fuser Assembly 2-33 Fuser Drive Assembly - Tray 2 2-20 HCF Drive and Gears - Transmission Route . . . . . 2-26 Retard Housing Assembly 2-27 Chute Assembly In 2-28 Chute ... D 3-21 Jam at Registration Roller: Jam RR 3-23 Misfeed at Tray 1 (MPT): Jam T1 3-25 Misfeed at Tray 2: Jam T2 3-28 Misfeed at Tray 3: Jam T3 3-31 Misfeed at Tray 4: Jam T4 3-34 Door and Cover Errors 3-36 Close Front Door 3-36 Consumable Errors 3-37 xiv Phaser 6250 Color Printer Transmission Route 2-17 Gear...
Service Manual
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... Unit is Near End of Life 3-38 Install or Reseat Transfer Roller 3-39 Replace Transfer Roller or Transfer Roller is at End of Life 3-40 Install or Reseat Fuser ... 3-57 Wrong Paper Size; Load Tray [3] [4] with [size] [type 3-62 Fatal Errors 3-63 Laser Failure 3-63 Density Sensor Failure 3-64 Fuser Failure 3-65 Fuser Failure (cont'd 3-66 Fuser Failure (... Replace [Y] [M] [C] [K] Toner Cartridge 3-76 [Y] [M] [C] [K] Toner Cartridge Failure 3-77 Non-Phaser 6250 Fuser 3-78 Non-Phaser 6250 Imaging Unit 3-79 Environmental Sensor Failure 3-80 Service Manual xv Load Tray [1 (MPT)] [2] ...
... Unit is Near End of Life 3-38 Install or Reseat Transfer Roller 3-39 Replace Transfer Roller or Transfer Roller is at End of Life 3-40 Install or Reseat Fuser ... 3-57 Wrong Paper Size; Load Tray [3] [4] with [size] [type 3-62 Fatal Errors 3-63 Laser Failure 3-63 Density Sensor Failure 3-64 Fuser Failure 3-65 Fuser Failure (cont'd 3-66 Fuser Failure (... Replace [Y] [M] [C] [K] Toner Cartridge 3-76 [Y] [M] [C] [K] Toner Cartridge Failure 3-77 Non-Phaser 6250 Fuser 3-78 Non-Phaser 6250 Imaging Unit 3-79 Environmental Sensor Failure 3-80 Service Manual xv Load Tray [1 (MPT)] [2] ...
Service Manual
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...Incomplete Fusing or Cold Offset 5-23 Mis-Registration, Color Layer not Correctly Registered in the Process Direction 5-24 Dirty...Color Registration 6-3 Resetting NVRAM 6-4 PostScript NVRAM Resets 6-4 Service Diagnostics PostScript NVRAM Resets 6-8 7 Cleaning and Maintenance Service Preventive Maintenance Procedure 7-2 Cleaning 7-2 8 Service Part Disassembly Overview 8-2 Standard Orientation of the Printer 8-2 General Notes on Disassembly 8-3 Preparation 8-3 Notations in the Disassembly Text 8-3 Removing Routine Maintenance Items and Consumables 8-4 Transfer Roller...
...Incomplete Fusing or Cold Offset 5-23 Mis-Registration, Color Layer not Correctly Registered in the Process Direction 5-24 Dirty...Color Registration 6-3 Resetting NVRAM 6-4 PostScript NVRAM Resets 6-4 Service Diagnostics PostScript NVRAM Resets 6-8 7 Cleaning and Maintenance Service Preventive Maintenance Procedure 7-2 Cleaning 7-2 8 Service Part Disassembly Overview 8-2 Standard Orientation of the Printer 8-2 General Notes on Disassembly 8-3 Preparation 8-3 Notations in the Disassembly Text 8-3 Removing Routine Maintenance Items and Consumables 8-4 Transfer Roller...
Service Manual
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PL 7.1 Chute Assembly Exit 9-22 PL 8.1 Transfer Roller & Fuser Assembly (RMIs 9-24 PL 9.1 Xerographics 9-26 PL 10.1 Holder Toner Cartridge Assembly 9-28... . . . 9-46 PL 15.4 Paper Pick Assembly Tray 3 9-48 PL 15.5 500-sheet Feeder Harness, Board and Motor 9-50 Xerox Supplies and Accessories 9-51 10 Wiring Diagrams Plug/Jack Locator Maps 10-2 Map 1 10-6 Map 2 10-7 Map 3 10-8 Map 4...Section 10-18 Developer Section 1 10-19 Developer Section 2 10-20 Fuser Assembly 10-21 Laser Unit 10-22 Xerographics 1 10-23 Xerographics 2 10-24 Paper Feed 10-25 Image Processor Board 10-26 ...
PL 7.1 Chute Assembly Exit 9-22 PL 8.1 Transfer Roller & Fuser Assembly (RMIs 9-24 PL 9.1 Xerographics 9-26 PL 10.1 Holder Toner Cartridge Assembly 9-28... . . . 9-46 PL 15.4 Paper Pick Assembly Tray 3 9-48 PL 15.5 500-sheet Feeder Harness, Board and Motor 9-50 Xerox Supplies and Accessories 9-51 10 Wiring Diagrams Plug/Jack Locator Maps 10-2 Map 1 10-6 Map 2 10-7 Map 3 10-8 Map 4...Section 10-18 Developer Section 1 10-19 Developer Section 2 10-20 Fuser Assembly 10-21 Laser Unit 10-22 Xerographics 1 10-23 Xerographics 2 10-24 Paper Feed 10-25 Image Processor Board 10-26 ...
Service Manual
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Routine Maintenance Items A printer part or assembly that has a limited life, and requires periodic replacement. 12 3 1. Fuser Assembly Consumables Consumables consist of the four toner cartridges used in the printer. Imaging Unit 6250-020 3. General Information 6250-495 1-9 Transfer Roller 2.
Routine Maintenance Items A printer part or assembly that has a limited life, and requires periodic replacement. 12 3 1. Fuser Assembly Consumables Consumables consist of the four toner cartridges used in the printer. Imaging Unit 6250-020 3. General Information 6250-495 1-9 Transfer Roller 2.
Service Manual
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.... The image processor board monitors these counters in NVRAM. Consumables Toner Cartridges High-Capacity Standard Capacity Routine Maintenance Items Imaging Unit Fuser Assembly Transfer Roller and Waste Box Feed Roller Kit* * No life tracking for this item Print Life 8,000 4,000 30,000 100,000 15,000 up to display the near end... length. Consumable Life Counter Behavior Internal counters track Consumables and Routine Maintenance Items life usage and store the values in order to 100,000 1-10 Phaser 6250 Color Laser Printer Service Manual
.... The image processor board monitors these counters in NVRAM. Consumables Toner Cartridges High-Capacity Standard Capacity Routine Maintenance Items Imaging Unit Fuser Assembly Transfer Roller and Waste Box Feed Roller Kit* * No life tracking for this item Print Life 8,000 4,000 30,000 100,000 15,000 up to display the near end... length. Consumable Life Counter Behavior Internal counters track Consumables and Routine Maintenance Items life usage and store the values in order to 100,000 1-10 Phaser 6250 Color Laser Printer Service Manual
Service Manual
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... in the developer. At areas on the drum. Primary Transfer (drum --> IDT1): The toner image formed on the drum surface. Overview of the Phaser 6250 Color Laser Printer Theory of Operation Summary of the Printing Process The Phaser 6250 Color Laser Printer is kept at a constant negative potential. The magnet roller turns against the surface of mirrors and lenses. This...
... in the developer. At areas on the drum. Primary Transfer (drum --> IDT1): The toner image formed on the drum surface. Overview of the Phaser 6250 Color Laser Printer Theory of Operation Summary of the Printing Process The Phaser 6250 Color Laser Printer is kept at a constant negative potential. The magnet roller turns against the surface of mirrors and lenses. This...
Service Manual
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.... surface is attracted to the high potential and deposits on the surface of the print media. 8. Since the transfer roller is located behind the print media, the 4-color toner image is attracted by the high positive charge on IDT1. 5. Toner from the HVPS that the toner is moved to the high potential until...
.... surface is attracted to the high potential and deposits on the surface of the print media. 8. Since the transfer roller is located behind the print media, the 4-color toner image is attracted by the high positive charge on IDT1. 5. Toner from the HVPS that the toner is moved to the high potential until...
Service Manual
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... IDT1 [(4) Primary transfer] [(5) Secondary transfer] IDT1 Cleaner [(6) Cleaning (11) Cleaning] Developer(M) [(3) Development] RTC [(1) Changing with electricity] Developer(C) [(3) Development] Drum(C) RTC [(1) Changing with electricity] Developer(K) [(3) Development] Drum(K) Refresher IDT2 Cleaner [(8) Cleaning (11) Cleaning] IDT2 [(5) Secondary transfer] [(7) Tertiary transfer] IDT1 [(4) Primary transfer] [(5) Secondary transfer] Refresher IDT1 Cleaner [(6) Cleaning (11) Cleaning] 6250-026 Printing Process Components 2-4 Phaser 6250 Color Laser Printer Service Manual
... IDT1 [(4) Primary transfer] [(5) Secondary transfer] IDT1 Cleaner [(6) Cleaning (11) Cleaning] Developer(M) [(3) Development] RTC [(1) Changing with electricity] Developer(C) [(3) Development] Drum(C) RTC [(1) Changing with electricity] Developer(K) [(3) Development] Drum(K) Refresher IDT2 Cleaner [(8) Cleaning (11) Cleaning] IDT2 [(5) Secondary transfer] [(7) Tertiary transfer] IDT1 [(4) Primary transfer] [(5) Secondary transfer] Refresher IDT1 Cleaner [(6) Cleaning (11) Cleaning] 6250-026 Printing Process Components 2-4 Phaser 6250 Color Laser Printer Service Manual
Service Manual
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...the four toner colors (yellow, magenta, cyan, and black) are required as specified in the developing process is calculated by the calculated result to supply toner to the developer, equivalent to the Laser Unit. If 16 dispense counts are generated and transferred to adjust ...generated and transferred to the transfer roller as a result of low toner density during the CTD calculation, 2 dispense counts are added during each color. Bias control operates as specified above, is implemented over the next 8 prints. CTD (ADC): The toner test patches of PCDC. The printer adjusts the ...
...the four toner colors (yellow, magenta, cyan, and black) are required as specified in the developing process is calculated by the calculated result to supply toner to the developer, equivalent to the Laser Unit. If 16 dispense counts are generated and transferred to adjust ...generated and transferred to the transfer roller as a result of low toner density during the CTD calculation, 2 dispense counts are added during each color. Bias control operates as specified above, is implemented over the next 8 prints. CTD (ADC): The toner test patches of PCDC. The printer adjusts the ...
Service Manual
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... toner density time reaches the specified value during this amount, the adjustment is accomplished by subtracting 2 counts from the transfer roller. LED Light Density CTD (ADC) Control of the next page, and dispenses toner during continuous printing. If toner ...area coverage mode can not deal with a different humidity level, the reference value for the toner density. The reflected light density varies 2-8 Phaser 6250 Color Laser Printer Service Manual If the patch density result measured by ADC -8 Total dispense counts 4534223432 Even allotment in first 8 prints 2 3 1 2...
... toner density time reaches the specified value during this amount, the adjustment is accomplished by subtracting 2 counts from the transfer roller. LED Light Density CTD (ADC) Control of the next page, and dispenses toner during continuous printing. If toner ...area coverage mode can not deal with a different humidity level, the reference value for the toner density. The reflected light density varies 2-8 Phaser 6250 Color Laser Printer Service Manual If the patch density result measured by ADC -8 Total dispense counts 4534223432 Even allotment in first 8 prints 2 3 1 2...
Service Manual
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... the printing. Light Density Setting The reflected light density can vary greatly if the transfer roller has been replaced or the CTD (ADC) sensor has been cleaned. Color Registration Control The printer uses a quad system where drums and developers are used exclusively for toner density control... to be within the specified range. To avoid a positional shift between the different color images, the color registration control calculates how much the registration has shifted by adjusting the laser write timing to the black bar that the reflected light density meets the specified value...
... the printing. Light Density Setting The reflected light density can vary greatly if the transfer roller has been replaced or the CTD (ADC) sensor has been cleaned. Color Registration Control The printer uses a quad system where drums and developers are used exclusively for toner density control... to be within the specified range. To avoid a positional shift between the different color images, the color registration control calculates how much the registration has shifted by adjusting the laser write timing to the black bar that the reflected light density meets the specified value...
Service Manual
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... 2-10 Phaser 6250 Color Laser Printer Service Manual The density of patches generated by a black trigger patch that is measured to compensate for color registration control are composed of 10mm lines of each toner color in the following order: K, C, K, M, K, and Y with each color dispensed in...the CTD (ADC) sensor is changed to determine the threshold value. 2. With no toner on the Transfer Roller. The laser write timing is measured. These patches are generated on the Transfer Roller, the output value of Sensor, CTD (ADC) is larger than the registration patches. 10mm K K...
... 2-10 Phaser 6250 Color Laser Printer Service Manual The density of patches generated by a black trigger patch that is measured to compensate for color registration control are composed of 10mm lines of each toner color in the following order: K, C, K, M, K, and Y with each color dispensed in...the CTD (ADC) sensor is changed to determine the threshold value. 2. With no toner on the Transfer Roller. The laser write timing is measured. These patches are generated on the Transfer Roller, the output value of Sensor, CTD (ADC) is larger than the registration patches. 10mm K K...
Service Manual
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...the specified value, the controller reports installation of the Transfer Roller is turned on the Transfer Roller. If printing is stopped by the Toner Full Sensor. 1. In this case the sensor output result is low, causing the controller to the printer is turned on , or the front cover is opened... and closed . "Transfer Roller is at End of Operation 2-11 To prevent this, the Transfer Roller is rotated a half turn if output is detected by a jam, the toner...
...the specified value, the controller reports installation of the Transfer Roller is turned on the Transfer Roller. If printing is stopped by the Toner Full Sensor. 1. In this case the sensor output result is low, causing the controller to the printer is turned on , or the front cover is opened... and closed . "Transfer Roller is at End of Operation 2-11 To prevent this, the Transfer Roller is rotated a half turn if output is detected by a jam, the toner...
Service Manual
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Paper Path of the Printer EXIT ROLL : Laser beam : Paper path : Paper sensors MID ROLL FUSER ASSY PAPER PICK ROLLER (T2) PAPER PICK ROLLER (T3) PAPER PICK ROLLER (T4) PAPER FEED ROLLER (T2) PAPER FEED ROLLER (T2) PAPER FEED ROLLER (T4) DUPLEX ROLLER TRANSFER ROLLER METAL ROLL REGISTRATION ROLL FEED ROLL ASSY RETARD ROLLER TURN ROLL TURN CHUTE ASSY (T2) TURN ROLL ASSY (T2) TURN CHUTE ASSY (T3) TURN ROLL ASSY (T3) PAPER FEED TRAY PAPER FEED ROLLER (T3) TURN CHUTE ASSY (T4) TURN ROLL ASSY (T4) PAPER FEED TRAY 6250-054 2-14 Phaser 6250 Color Laser Printer Service Manual
Paper Path of the Printer EXIT ROLL : Laser beam : Paper path : Paper sensors MID ROLL FUSER ASSY PAPER PICK ROLLER (T2) PAPER PICK ROLLER (T3) PAPER PICK ROLLER (T4) PAPER FEED ROLLER (T2) PAPER FEED ROLLER (T2) PAPER FEED ROLLER (T4) DUPLEX ROLLER TRANSFER ROLLER METAL ROLL REGISTRATION ROLL FEED ROLL ASSY RETARD ROLLER TURN ROLL TURN CHUTE ASSY (T2) TURN ROLL ASSY (T2) TURN CHUTE ASSY (T3) TURN ROLL ASSY (T3) PAPER FEED TRAY PAPER FEED ROLLER (T3) TURN CHUTE ASSY (T4) TURN ROLL ASSY (T4) PAPER FEED TRAY 6250-054 2-14 Phaser 6250 Color Laser Printer Service Manual
Service Manual
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..."and "Tray 2 Turn Chute Assy" Paper transfer by the "Chute Assembly, Registration (REGI) (Metal and Registration Rolls) Paper transfer by the "Imaging Unit IDT2" and "Transfer Roller" Paper transfer by the "Fuser Assembly" (Heat Roll and Fuser Belt) Paper transfer by the "Fuser Assembly "Exit Roll" and "Pinch Roll" Paper transfer by the "Chute Assembly, Exit" and...
..."and "Tray 2 Turn Chute Assy" Paper transfer by the "Chute Assembly, Registration (REGI) (Metal and Registration Rolls) Paper transfer by the "Imaging Unit IDT2" and "Transfer Roller" Paper transfer by the "Fuser Assembly" (Heat Roll and Fuser Belt) Paper transfer by the "Fuser Assembly "Exit Roll" and "Pinch Roll" Paper transfer by the "Chute Assembly, Exit" and...
Service Manual
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Major Assemblies and Functions The following parts: ■ Paper Feeder ■ Retard Housing Assembly ■ Chute Assembly, Out (MPT position) ■ Chute Assembly, Registration ■ Imaging Unit (IDT 1, IDT 2, Drum) ■ Transfer Roller 2-16 Phaser 6250 Color Laser Printer Service Manual Developer Drive Assembly: Supplies the drive to the following section details all major components of the printer and their relative functions. Main Drive Assembly: Supplies the drive to the Imaging Unit Developer. 2. Frame and Drive Assemblies 1 2 6250-064 1.
Major Assemblies and Functions The following parts: ■ Paper Feeder ■ Retard Housing Assembly ■ Chute Assembly, Out (MPT position) ■ Chute Assembly, Registration ■ Imaging Unit (IDT 1, IDT 2, Drum) ■ Transfer Roller 2-16 Phaser 6250 Color Laser Printer Service Manual Developer Drive Assembly: Supplies the drive to the following section details all major components of the printer and their relative functions. Main Drive Assembly: Supplies the drive to the Imaging Unit Developer. 2. Frame and Drive Assemblies 1 2 6250-064 1.
Service Manual
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Main Drive Assembly - Transmission Route MAIN DRIVE ASSY GEAR IDLER IN CLUTCH ASSY TURN GEAR IDLLER ROLL ASSY TURN GEAR IDLLER FEED GEAR FEED H1 GEAR FEED1 ROLL ASSY FEED PAPER FEEDER Regi.Clutch Regi.Roll CHUTE REGI CLUTCH TURN ROLL TURN HOUSING ASSY RETARD GEAR MSI ROLL ASSY FEED CHUTE ASSY OUT IDT2 IDT1 (2) Drum (4) IMAGING UNIT TRANSFER ROLLER 6250-047 Theory of Operation 2-17
Main Drive Assembly - Transmission Route MAIN DRIVE ASSY GEAR IDLER IN CLUTCH ASSY TURN GEAR IDLLER ROLL ASSY TURN GEAR IDLLER FEED GEAR FEED H1 GEAR FEED1 ROLL ASSY FEED PAPER FEEDER Regi.Clutch Regi.Roll CHUTE REGI CLUTCH TURN ROLL TURN HOUSING ASSY RETARD GEAR MSI ROLL ASSY FEED CHUTE ASSY OUT IDT2 IDT1 (2) Drum (4) IMAGING UNIT TRANSFER ROLLER 6250-047 Theory of Operation 2-17