Service Manual
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First Printing: July, 2003 071-0869-00 To avoid personal injury, do not perform any servicing other than that contained in the operating instructions, unless you are for use by qualified service personnel only. Phaser® 6250 Color Laser Printer Service Manual Warning The following servicing instructions are qualified to do so.
First Printing: July, 2003 071-0869-00 To avoid personal injury, do not perform any servicing other than that contained in the operating instructions, unless you are for use by qualified service personnel only. Phaser® 6250 Color Laser Printer Service Manual Warning The following servicing instructions are qualified to do so.
Service Manual
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... Maintenance Items 1-9 Consumables 1-9 Consumable Life Counter Behavior 1-10 Printer Specifications 1-11 Physical Dimensions and Clearances 1-11 Functional Specifications 1-12 Electrical Specifications 1-13 Environmental Specifications 1-13 Media and Tray Specifications 1-14 2 Theory of Operation Overview of the Phaser 6250 Color Laser Printer Theory of Operation . . 2-2 Summary of the Printer 2-14 Paper Path Route 2-15 Service Manual xiii
... Maintenance Items 1-9 Consumables 1-9 Consumable Life Counter Behavior 1-10 Printer Specifications 1-11 Physical Dimensions and Clearances 1-11 Functional Specifications 1-12 Electrical Specifications 1-13 Environmental Specifications 1-13 Media and Tray Specifications 1-14 2 Theory of Operation Overview of the Phaser 6250 Color Laser Printer Theory of Operation . . 2-2 Summary of the Printer 2-14 Paper Path Route 2-15 Service Manual xiii
Service Manual
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...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 Layout - Transmission Route . . . . . 2-26 Retard Housing Assembly 2-27 Chute Assembly ...In 2-28 Chute Assembly Out 2-29 Chute Assembly Exit 2-30 Duplex Motor Drive and Gear - Transmission Route 2-25 500-Sheet Feeder Drive and Gears - cont'd 2-39 Toner Motor Drive Assembly - Print...
...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 Layout - Transmission Route . . . . . 2-26 Retard Housing Assembly 2-27 Chute Assembly ...In 2-28 Chute Assembly Out 2-29 Chute Assembly Exit 2-30 Duplex Motor Drive and Gear - Transmission Route 2-25 500-Sheet Feeder Drive and Gears - cont'd 2-39 Toner Motor Drive Assembly - Print...
Service Manual
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... Printer Components 5-3 Front Panel Test Prints 5-4 Test Print 1: CMYK Sample Page 5-4 Test Print 2: RGB Test Print 5-5 Service Test Prints 5-6 Test Print 3: Test Pattern Sample 5-6 600 x 600 Service Test Print 5-8 Print Engine Test Print 5-9 Print-Quality Troubleshooting 5-10 Light Prints 5-10 Light Print in Only One Color 5-11 Blank Prints 5-13 Black Prints with White Margin Border 5-14 Solid Dark or Dirty Prints, No Border 5-15 xvi Phaser 6250 Color Printer
... Printer Components 5-3 Front Panel Test Prints 5-4 Test Print 1: CMYK Sample Page 5-4 Test Print 2: RGB Test Print 5-5 Service Test Prints 5-6 Test Print 3: Test Pattern Sample 5-6 600 x 600 Service Test Print 5-8 Print Engine Test Print 5-9 Print-Quality Troubleshooting 5-10 Light Prints 5-10 Light Print in Only One Color 5-11 Blank Prints 5-13 Black Prints with White Margin Border 5-14 Solid Dark or Dirty Prints, No Border 5-15 xvi Phaser 6250 Color Printer
Service Manual
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... Assembly (PL15.4.1 8-144 No Paper, Low Paper Sensor (PL15.5.6 8-145 Paper Size Switch Assembly (PL15.3.6 8-146 9 Parts List Serial Number Format 9-2 Using the Parts List 9-3 Print Engine Parts 9-4 PL 1.1 Covers 9-4 PL 2.1 Universal Paper Tray 9-7 PL 3.1 Paper Feed I 9-8 PL 3.2 Paper Feed II 9-10 PL 3.3 Paper Feed III 9-12 PL 4.1 Housing Assembly Retard...
... Assembly (PL15.4.1 8-144 No Paper, Low Paper Sensor (PL15.5.6 8-145 Paper Size Switch Assembly (PL15.3.6 8-146 9 Parts List Serial Number Format 9-2 Using the Parts List 9-3 Print Engine Parts 9-4 PL 1.1 Covers 9-4 PL 2.1 Universal Paper Tray 9-7 PL 3.1 Paper Feed I 9-8 PL 3.2 Paper Feed II 9-10 PL 3.3 Paper Feed III 9-12 PL 4.1 Housing Assembly Retard...
Service Manual
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... per minute (ppm) desktop color laser printer supporting resolutions up to 2400 x 600 dots-per-inch (dpi). The Phaser 6250 comes in Xerox Phaser 6250 Service Training is strongly recommended. The main differences are optional networking, standard memory, optional high-capacity feeder, duplexing (2-sided printing) capabilities, and optional internal hard drive. 1-2 Phaser 6250 Color Laser Printer Service Manual To ensure complete...
... per minute (ppm) desktop color laser printer supporting resolutions up to 2400 x 600 dots-per-inch (dpi). The Phaser 6250 comes in Xerox Phaser 6250 Service Training is strongly recommended. The main differences are optional networking, standard memory, optional high-capacity feeder, duplexing (2-sided printing) capabilities, and optional internal hard drive. 1-2 Phaser 6250 Color Laser Printer Service Manual To ensure complete...
Service Manual
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... the display window, perform various functions, and select modes of POST diagnostics Print Service Diagnostics Map Reset PostScript NVRAM Password Bypass Enter Service Diagnostics Press this selection at Power On OK INFO BACK+OK UP+DOWN BACK+INFO 1-6 Phaser 6250 Color Laser Printer Service Manual scrolls down the menu system 7 OK (select) Button 8 Information Button...
... the display window, perform various functions, and select modes of POST diagnostics Print Service Diagnostics Map Reset PostScript NVRAM Password Bypass Enter Service Diagnostics Press this selection at Power On OK INFO BACK+OK UP+DOWN BACK+INFO 1-6 Phaser 6250 Color Laser Printer Service Manual scrolls down the menu system 7 OK (select) Button 8 Information Button...
Service Manual
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...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 Imaging Unit life ratings are based on average 4 page job length. 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...
...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 Imaging Unit life ratings are based on average 4 page job length. 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...
Service Manual
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... K Pages 29 22 13 1-12 Phaser 6250 Color Laser Printer Service Manual Yellow, Magenta, Cyan, and Black Toner Cartridges Draft 600 x 600 dpi Enhanced 2400 x 600 dpi (Default) Photo 2400 x 600 dpi* * Not available on the Phaser 6250B. Sleep/ Low Power/ Power Saver Mode: Entered after a specified period of Print Engine inactivity since completion of the...
... K Pages 29 22 13 1-12 Phaser 6250 Color Laser Printer Service Manual Yellow, Magenta, Cyan, and Black Toner Cartridges Draft 600 x 600 dpi Enhanced 2400 x 600 dpi (Default) Photo 2400 x 600 dpi* * Not available on the Phaser 6250B. Sleep/ Low Power/ Power Saver Mode: Entered after a specified period of Print Engine inactivity since completion of the...
Service Manual
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...* Envelopes Weight 20 - 24 lb. Tray 1 Only * Some wrinkling and embossing may occur when printing envelopes. 1-14 Phaser 6250 Color Laser Printer Service Manual Bond) Phaser 25-Series Premium Transparency Film (Only) Thin Card Stock 100 - 163 g/m2 (26 - 60 lb. Cover) Phaser Premium Post- 176 g/m2 (65 lb. Bond Commercial #10 4.12 x 9.5 in Monarch Envelope 3.87...
...* Envelopes Weight 20 - 24 lb. Tray 1 Only * Some wrinkling and embossing may occur when printing envelopes. 1-14 Phaser 6250 Color Laser Printer Service Manual Bond) Phaser 25-Series Premium Transparency Film (Only) Thin Card Stock 100 - 163 g/m2 (26 - 60 lb. Cover) Phaser Premium Post- 176 g/m2 (65 lb. Bond Commercial #10 4.12 x 9.5 in Monarch Envelope 3.87...
Service Manual
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... the HVPS. IDT1 is fed into the developer using the agitator and auger. Overview of the Phaser 6250 Color Laser Printer Theory of Operation Summary of the Printing Process The Phaser 6250 Color Laser Printer is a 'full-color laser printer', that utilizes electrophotographic recording principals to print a pixel and off any toner particles left on the drum after image transfer to provide a uniform...
... the HVPS. IDT1 is fed into the developer using the agitator and auger. Overview of the Phaser 6250 Color Laser Printer Theory of Operation Summary of the Printing Process The Phaser 6250 Color Laser Printer is a 'full-color laser printer', that utilizes electrophotographic recording principals to print a pixel and off any toner particles left on the drum after image transfer to provide a uniform...
Service Manual
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...( IDT2) (8) Cleaning ( IDT2) (7) Tertiary transfer ( IDT2 → Paper) (11) Cleaning (general) Paper (9) Static elimination Transfer Roller (10) Fixing Printing Process Flowchart 6250-024 RTC [(1) Changing with electricity] RTC [(1) Changing with electricity] Developer(Y) [(3) Development] Drum(M) Refresher Drum(Y) Refresher IDT1 [(4) Primary transfer] [(5)...] [(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
...( IDT2) (8) Cleaning ( IDT2) (7) Tertiary transfer ( IDT2 → Paper) (11) Cleaning (general) Paper (9) Static elimination Transfer Roller (10) Fixing Printing Process Flowchart 6250-024 RTC [(1) Changing with electricity] RTC [(1) Changing with electricity] Developer(Y) [(3) Development] Drum(M) Refresher Drum(Y) Refresher IDT1 [(4) Primary transfer] [(5)...] [(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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... Feeder are adjusted according to the monitored results for yellow, magenta, cyan, and black. Image data is executed during continuous printing. 2-6 Phaser 6250 Color Laser Printer Service Manual Automatic Density Control) LED light density setting. The laser diodes convert the image data from obtaining a proper electrostatic image. There are provided: ■ High-Area Coverage Mode Control...
... Feeder are adjusted according to the monitored results for yellow, magenta, cyan, and black. Image data is executed during continuous printing. 2-6 Phaser 6250 Color Laser Printer Service Manual Automatic Density Control) LED light density setting. The laser diodes convert the image data from obtaining a proper electrostatic image. There are provided: ■ High-Area Coverage Mode Control...
Service Manual
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...value (reflected light density) must be lowered below the target toner density. LED Light Density CTD (ADC) Control of the subsequent 8 prints. The high area coverage mode delays feeding of toner density in the sensor and detects the reflected light from the CTD sensor and the ... on the Transfer Roller. The reflected light density varies 2-8 Phaser 6250 Color Laser Printer Service Manual Admix Mode If the high area coverage mode can not deal with the reduction of the next page, and dispenses toner during continuous printing. If toner density is too great (excess toner) and ...
...value (reflected light density) must be lowered below the target toner density. LED Light Density CTD (ADC) Control of the subsequent 8 prints. The high area coverage mode delays feeding of toner density in the sensor and detects the reflected light from the CTD sensor and the ... on the Transfer Roller. The reflected light density varies 2-8 Phaser 6250 Color Laser Printer Service Manual Admix Mode If the high area coverage mode can not deal with the reduction of the next page, and dispenses toner during continuous printing. If toner density is too great (excess toner) and ...
Service Manual
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...toner low sensor detects toner present, the "Toner Full", "Toner Empty Warning", and "Toner Empty Error" are provided for each toner color (CMYK), and detection is empty. 3. If the toner low sensor does not detect toner present, toner will be dispensed for toner.... This is displayed. 2-12 Phaser 6250 Color Laser Printer Service Manual The toner low sensor is dispensed. Toner Presence Control 1. When a new toner cartridge is installed ("Toner Empty error" not being generated), toner is opened and closed. Checks every 14 seconds when printing. 2. The toner low sensor ...
...toner low sensor detects toner present, the "Toner Full", "Toner Empty Warning", and "Toner Empty Error" are provided for each toner color (CMYK), and detection is empty. 3. If the toner low sensor does not detect toner present, toner will be dispensed for toner.... This is displayed. 2-12 Phaser 6250 Color Laser Printer Service Manual The toner low sensor is dispensed. Toner Presence Control 1. When a new toner cartridge is installed ("Toner Empty error" not being generated), toner is opened and closed. Checks every 14 seconds when printing. 2. The toner low sensor ...
Service Manual
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... Idler Feed 11. Tray 1 Gear 3. Main Drive Assembly 9. Registration Chute Assembly 4. Turn Clutch Assembly 10. Gear Feed H1 13. Turn Clutch 2-18 Phaser 6250 Color Laser Printer Service Manual Gear Layout - Print Engine and Tray 1 The drawing below shows the location of the various components specified in the Transmission Route Block Diagram on the preceding...
... Idler Feed 11. Tray 1 Gear 3. Main Drive Assembly 9. Registration Chute Assembly 4. Turn Clutch Assembly 10. Gear Feed H1 13. Turn Clutch 2-18 Phaser 6250 Color Laser Printer Service Manual Gear Layout - Print Engine and Tray 1 The drawing below shows the location of the various components specified in the Transmission Route Block Diagram on the preceding...
Service Manual
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...of the paper tray. 6. Turn Clutch Assembly: Transfers the drive energy from the paper tray. No Paper Sensor: Detects presence or absence of print media in the gear feed, the gear feed and the gear idler feed are disengaged stopping the paper retard feed roller. Temperature/Humidity Sensor:... adjust the charge voltage (the voltage supplied to be fed at a time. 4. Spring Feed: See Paper Pick Rollers. 2-20 Phaser 6250 Color Laser Printer Service Manual This activates the pick-up assembly. After completion of one sheet to the transfer roller and the developing bias). 2. Gear ...
...of the paper tray. 6. Turn Clutch Assembly: Transfers the drive energy from the paper tray. No Paper Sensor: Detects presence or absence of print media in the gear feed, the gear feed and the gear idler feed are disengaged stopping the paper retard feed roller. Temperature/Humidity Sensor:... adjust the charge voltage (the voltage supplied to be fed at a time. 4. Spring Feed: See Paper Pick Rollers. 2-20 Phaser 6250 Color Laser Printer Service Manual This activates the pick-up assembly. After completion of one sheet to the transfer roller and the developing bias). 2. Gear ...
Service Manual
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... to a pre-determined postion, it blocks the sensor beam to each component. 2. Major Functions: ■ Communicates with the Engine Control Board and information from the print engine to trigger a low paper status. The actuator position can be seen from the front of the 500-Sheet Feeder allowing confirmation of tray 3 based... switches. Feeder Drive Assembly: Supplies the drive to the tray 3. 3. 1 3 2 6250-406 1. 500-Sheet Feeder Circuit Board: Controls the paper pick-up operation of the print media quantity. 2-24 Phaser 6250 Color Laser Printer Service Manual
... to a pre-determined postion, it blocks the sensor beam to each component. 2. Major Functions: ■ Communicates with the Engine Control Board and information from the print engine to trigger a low paper status. The actuator position can be seen from the front of the 500-Sheet Feeder allowing confirmation of tray 3 based... switches. Feeder Drive Assembly: Supplies the drive to the tray 3. 3. 1 3 2 6250-406 1. 500-Sheet Feeder Circuit Board: Controls the paper pick-up operation of the print media quantity. 2-24 Phaser 6250 Color Laser Printer Service Manual
Service Manual
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... Tray1 No Paper Sensor: Actuator detects whether print media is interrupted. 8. No paper sensor beam is present. Tray1 Feed Solenoid: Controls the operation (rotation/stop , allowing only one side) in the direction of the Registration Chute. 2-30 Phaser 6250 Color Laser Printer Service Manual Mid Roller: See Exit Roller. ... the drive to be fed through the drive from the Duplex Motor and drives the fused print media partially into the output tray where it then reverses in duplex mode and feeds the print media (fused on one sheet of the Tray 1 Gear. Exit Roller: Rotates through at...
... Tray1 No Paper Sensor: Actuator detects whether print media is interrupted. 8. No paper sensor beam is present. Tray1 Feed Solenoid: Controls the operation (rotation/stop , allowing only one side) in the direction of the Registration Chute. 2-30 Phaser 6250 Color Laser Printer Service Manual Mid Roller: See Exit Roller. ... the drive to be fed through the drive from the Duplex Motor and drives the fused print media partially into the output tray where it then reverses in duplex mode and feeds the print media (fused on one sheet of the Tray 1 Gear. Exit Roller: Rotates through at...
Service Manual
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... and the paper buckles against the rollers to the registration rollers once media skew has been corrected. 2-32 Phaser 6250 Color Laser Printer Service Manual If the OHP sensor cannot sense reflected light, it identifies the print media as paper. Registration Roller (Rubber): Receives drive energy from paper tray 1 or 2. 2. OHP (Transparency) Sensor: Paper reflects...
... and the paper buckles against the rollers to the registration rollers once media skew has been corrected. 2-32 Phaser 6250 Color Laser Printer Service Manual If the OHP sensor cannot sense reflected light, it identifies the print media as paper. Registration Roller (Rubber): Receives drive energy from paper tray 1 or 2. 2. OHP (Transparency) Sensor: Paper reflects...