Service Manual
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... Clearances 1-12 Print Engine (IOT) Functional Specifications 1-13 System Electrical Specifications 1-14 System Environmental Specifications 1-14 Scanner/DADF (IIT) Specifications 1-14 Tray and Media Specifications 1-16 Duplex Automatic Document Feeder Guidelines 1-17 Supported Envelopes 1-19 Media... System 1-20 2 Theory of Operation System Overview 2-2 System Summaries 2-2 Image Input Terminal (IIT 2-3 Major Components of the DADF and Scanner 2-3 Document Feeder Functions 2-4 Document Feeder Paper Path and Imaging 2-6 Scanner Assembly Functions 2-7 Scanner and Document Feeder ...
... Clearances 1-12 Print Engine (IOT) Functional Specifications 1-13 System Electrical Specifications 1-14 System Environmental Specifications 1-14 Scanner/DADF (IIT) Specifications 1-14 Tray and Media Specifications 1-16 Duplex Automatic Document Feeder Guidelines 1-17 Supported Envelopes 1-19 Media... System 1-20 2 Theory of Operation System Overview 2-2 System Summaries 2-2 Image Input Terminal (IIT 2-3 Major Components of the DADF and Scanner 2-3 Document Feeder Functions 2-4 Document Feeder Paper Path and Imaging 2-6 Scanner Assembly Functions 2-7 Scanner and Document Feeder ...
Service Manual
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... 4-82 5 Image-Quality Troubleshooting Image-Quality Problems Overview 5-2 Service Technician RIP Procedure 5-3 Isolating a Copy/Scan Malfunction to the Scanner/DADF 5-3 DADF Image-Quality Problems 5-4 Dark Streaks on the Copied Image 5-4 Skewed Copy Image 5-5 Copy Image is Lighter/Darker than the Original ...Color Fills 5-24 Ghosting 5-25 Poor Small Text Resolution 5-26 Vertical Lines Appear Wavy 5-27 Oil Streaks on Print 5-28 Incomplete Image Transfer to Paper 5-29 Ink Smears on First Printed Side of Duplex Print 5-30 Repeating Print Defects on Print 5-31 xvi WorkCentre C2424...
... 4-82 5 Image-Quality Troubleshooting Image-Quality Problems Overview 5-2 Service Technician RIP Procedure 5-3 Isolating a Copy/Scan Malfunction to the Scanner/DADF 5-3 DADF Image-Quality Problems 5-4 Dark Streaks on the Copied Image 5-4 Skewed Copy Image 5-5 Copy Image is Lighter/Darker than the Original ...Color Fills 5-24 Ghosting 5-25 Poor Small Text Resolution 5-26 Vertical Lines Appear Wavy 5-27 Oil Streaks on Print 5-28 Incomplete Image Transfer to Paper 5-29 Ink Smears on First Printed Side of Duplex Print 5-30 Repeating Print Defects on Print 5-31 xvi WorkCentre C2424...
Service Manual
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... Scanner 8-4 Duplex Automatic Document Feeder 8-4 DADF Front Cover 8-5 Scanner Assembly 8-6 Control Panel 8-7 Service Manual xvii White Stripes (Pinstripes 5-32 Wrinkling 5-33 Image is Offset or Cut-Off 5-34 Poor Ink Adhesion, Poor Image Durability 5-34 Analyzing Service Test Prints 5-35 Test Print Examples 5-35 6 Adjustments and Calibrations System Alignments and Adjustments 6-2 Wiper...
... Scanner 8-4 Duplex Automatic Document Feeder 8-4 DADF Front Cover 8-5 Scanner Assembly 8-6 Control Panel 8-7 Service Manual xvii White Stripes (Pinstripes 5-32 Wrinkling 5-33 Image is Offset or Cut-Off 5-34 Poor Ink Adhesion, Poor Image Durability 5-34 Analyzing Service Test Prints 5-35 Test Print Examples 5-35 6 Adjustments and Calibrations System Alignments and Adjustments 6-2 Wiper...
Service Manual
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..., Solenoids, Clutches, Sensors, Fans and Backframe 9-10 Electronics Module, Circuit Boards and Cables 9-12 Sensors and Flags (Actuators 9-14 Xerox Supplies 9-16 10 Wiring Diagrams Plug/Jack Locator Table 10-2 Scanner/DADF Functional Diagrams 10-5 Main Block Wiring Diagram 10-6 Main Block Wiring Diagram (Continued 10-7 Scanner/Exit Module Power Supply and...
..., Solenoids, Clutches, Sensors, Fans and Backframe 9-10 Electronics Module, Circuit Boards and Cables 9-12 Sensors and Flags (Actuators 9-14 Xerox Supplies 9-16 10 Wiring Diagrams Plug/Jack Locator Table 10-2 Scanner/DADF Functional Diagrams 10-5 Main Block Wiring Diagram 10-6 Main Block Wiring Diagram (Continued 10-7 Scanner/Exit Module Power Supply and...
Service Manual
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... feed) 5. Exit cover 7. Interface (I/O) cover 11. Control panel 8. Waste tray/maintenance kit side door 12. Ink cover 2424-171 1-4 WorkCentre C2424 Service Manual Front cover release (product serial number is behind the front cover) 1. Tray 4 (optional 525-Sheet Feeder) 2. DADF front cover 9. Short paper stop 2. Front View 8 7 6 5 4 3 2 1 Open View 3 2 1 9 10 11 12 2424-080...
... feed) 5. Exit cover 7. Interface (I/O) cover 11. Control panel 8. Waste tray/maintenance kit side door 12. Ink cover 2424-171 1-4 WorkCentre C2424 Service Manual Front cover release (product serial number is behind the front cover) 1. Tray 4 (optional 525-Sheet Feeder) 2. DADF front cover 9. Short paper stop 2. Front View 8 7 6 5 4 3 2 1 Open View 3 2 1 9 10 11 12 2424-080...
Service Manual
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Routine Maintenance Items and Consumables Life Expectancy Document Feed Roller 1 Ink Sticks 2 3 4 Pad Maintenance Kit Waste Tray s2424-005 Routine Maintenance Items: Consumable: Extended-Capacity Maintenance Kit 30,000 cycles (0-20% Ink coverage) 20,000 (20-100% coverage) 1220 prints per stick* Standard-Capacity Maintenance Kit 10,000 cycles Waste Tray Empty every 5 Purges (~35 g) DADF Pick Rollers and Separator Pad 50,000 scans *Consumable capacity is based on 5% coverage per color on plain A4/Letter paper. General Information 1-7
Routine Maintenance Items and Consumables Life Expectancy Document Feed Roller 1 Ink Sticks 2 3 4 Pad Maintenance Kit Waste Tray s2424-005 Routine Maintenance Items: Consumable: Extended-Capacity Maintenance Kit 30,000 cycles (0-20% Ink coverage) 20,000 (20-100% coverage) 1220 prints per stick* Standard-Capacity Maintenance Kit 10,000 cycles Waste Tray Empty every 5 Purges (~35 g) DADF Pick Rollers and Separator Pad 50,000 scans *Consumable capacity is based on 5% coverage per color on plain A4/Letter paper. General Information 1-7
Service Manual
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... Scanner (IIT) Width: Depth: Height: Weight: Print Engine (IOT) only Scanner Unit and DADF Unit Scanner Weight: DADF Weight: Optional 525-Sheet Feeder Weight: Optional Cart Width: Depth: Height: Weight: Minimum Clearances Value 53 cm (20.9 in.) 66 cm (26.2 in.) 62 cm (... cm (24 in.) 100 cm (40 in.) 88 cm (35 in.) 142 cm (56 in.) 13.5 cm (5.3 in.) 36 cm (14 in.) s2424-231 1-12 WorkCentre C2424 Service Manual
... Scanner (IIT) Width: Depth: Height: Weight: Print Engine (IOT) only Scanner Unit and DADF Unit Scanner Weight: DADF Weight: Optional 525-Sheet Feeder Weight: Optional Cart Width: Depth: Height: Weight: Minimum Clearances Value 53 cm (20.9 in.) 66 cm (26.2 in.) 62 cm (... cm (24 in.) 100 cm (40 in.) 88 cm (35 in.) 142 cm (56 in.) 13.5 cm (5.3 in.) 36 cm (14 in.) s2424-231 1-12 WorkCentre C2424 Service Manual
Service Manual
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Supported from DADF tray Tray 1 = 100-sheet capacity Tray 2 = 525-sheet capacity Optional Tray 3 = 525-sheet capacity Optional Tray 4 = 525-sheet capacity - Automatic, Black & White, Office: sRGB, Vivid Color, None, Press: Commercial, Euroscale, SWOP Up to 24 ppm print and copy Up to 20 ppm ... 600 x 600 dpi copy resolution up time Specification Solid-ink 500 MHz processor Yellow, cyan, magenta, and black ink sticks, each shape-coded. minumum 256 MB, maximum 512 MB, PC133 DRAM 256 MB RAM standard, upgradable to produce the colors red, green, and blue. Duplex Automatic Document Feeder...
Supported from DADF tray Tray 1 = 100-sheet capacity Tray 2 = 525-sheet capacity Optional Tray 3 = 525-sheet capacity Optional Tray 4 = 525-sheet capacity - Automatic, Black & White, Office: sRGB, Vivid Color, None, Press: Commercial, Euroscale, SWOP Up to 24 ppm print and copy Up to 20 ppm ... 600 x 600 dpi copy resolution up time Specification Solid-ink 500 MHz processor Yellow, cyan, magenta, and black ink sticks, each shape-coded. minumum 256 MB, maximum 512 MB, PC133 DRAM 256 MB RAM standard, upgradable to produce the colors red, green, and blue. Duplex Automatic Document Feeder...
Service Manual
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... Nominal Operating Environment Temperature Humidity 10º - 32º C / 50º - 90º F operating 10% - 80% RH Non-Condensing operating Scanner/DADF (IIT) Specifications Characteristic Printing Process Scan to Capabilities Scan/copy Process Copies per Minute Memory Image Buffer Bit Depth Specification Print Engine Scan to Disk... (mailbox) function Scan to PC Flatbed platen and C-shape ADF Charge Coupled Device scan head RGB color pack The scan controller provides 16 bit DMA intrerface for DADF Reading: 48 bits Output: 24 bits 1-14 WorkCentre C2424 Service Manual
... Nominal Operating Environment Temperature Humidity 10º - 32º C / 50º - 90º F operating 10% - 80% RH Non-Condensing operating Scanner/DADF (IIT) Specifications Characteristic Printing Process Scan to Capabilities Scan/copy Process Copies per Minute Memory Image Buffer Bit Depth Specification Print Engine Scan to Disk... (mailbox) function Scan to PC Flatbed platen and C-shape ADF Charge Coupled Device scan head RGB color pack The scan controller provides 16 bit DMA intrerface for DADF Reading: 48 bits Output: 24 bits 1-14 WorkCentre C2424 Service Manual
Service Manual
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Noise Standby: < or equal to 45 dB Scanning: < or equal to copier and scan operations) Power Saver Mode Scanner and DADF are switched OFF. Characteristic Specification Optical Resolution 600 x 300 to 600 x 2400 dpi (FS x SS) Output Resolution from Always equals optical resolution Scanner Calibration Time less than 2 seconds (performed prior to 50 dB General Information 1-15 Also, lamps automatically turn off after after 20 minutes.
Noise Standby: < or equal to 45 dB Scanning: < or equal to copier and scan operations) Power Saver Mode Scanner and DADF are switched OFF. Characteristic Specification Optical Resolution 600 x 300 to 600 x 2400 dpi (FS x SS) Output Resolution from Always equals optical resolution Scanner Calibration Time less than 2 seconds (performed prior to 50 dB General Information 1-15 Also, lamps automatically turn off after after 20 minutes.
Service Manual
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... Terminal (IIT Document Feeder/Scanner) and the Image Output Terminal (IOT - This section is broken into the following: ■ The Image Input Terminal (IIT) ■ DADF and paper path ■ The Scanner Assembly with Control Panel ■ System Electronics ■ Electronics Module ■ Scanner Power Supply ■ Exit Module (MEP) Control...
... Terminal (IIT Document Feeder/Scanner) and the Image Output Terminal (IOT - This section is broken into the following: ■ The Image Input Terminal (IIT) ■ DADF and paper path ■ The Scanner Assembly with Control Panel ■ System Electronics ■ Electronics Module ■ Scanner Power Supply ■ Exit Module (MEP) Control...
Service Manual
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Image Input Terminal (IIT) The IIT generates the image data for copies and scans and is made up of two major subsystems: ■ Duplex Automatic Document Feeder (DADF) ■ Scanner Assembly with Control Panel Major Components of the DADF and Scanner Motor and Drive Media In Sensor Pick Rollers Media Staged Sensor DADF Scan Head Lamp DADF CVT Window & Calibration Strip CVT Window Lamp Input Tray Output Tray Separator Pad Sensor DADF Connector DADF Hinges Platen/Document Glass Control Panel Scanner Flatbed Scan Head Theory of Operation s2424-235 2-3
Image Input Terminal (IIT) The IIT generates the image data for copies and scans and is made up of two major subsystems: ■ Duplex Automatic Document Feeder (DADF) ■ Scanner Assembly with Control Panel Major Components of the DADF and Scanner Motor and Drive Media In Sensor Pick Rollers Media Staged Sensor DADF Scan Head Lamp DADF CVT Window & Calibration Strip CVT Window Lamp Input Tray Output Tray Separator Pad Sensor DADF Connector DADF Hinges Platen/Document Glass Control Panel Scanner Flatbed Scan Head Theory of Operation s2424-235 2-3
Service Manual
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.... Drive Motor: A stepper motor is fed at a time. Document Feeder Functions The WorkCentre C2424 Copier-Printer includes a Duplexing Automatic Document Feeder (DADF). Media Staged Sensor: This sensor, located within the DADF scanhead, detects whether media has been fed into the system. DADF Cover Open Sensor: This optical sensor detects the status of original documents in...
.... Drive Motor: A stepper motor is fed at a time. Document Feeder Functions The WorkCentre C2424 Copier-Printer includes a Duplexing Automatic Document Feeder (DADF). Media Staged Sensor: This sensor, located within the DADF scanhead, detects whether media has been fed into the system. DADF Cover Open Sensor: This optical sensor detects the status of original documents in...
Service Manual
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.... Theory of hinges. Note It is possible to continue scan and flatbed copy functions with the scanner board and that communication is opened for the DADF to the IOT. There is also passed to the scanner board and then sent to the IOT... DADF Hinges: Mechanical connection between the DADF and the scanner portion of the IIT consists of a set of Operation 2-5 DADF Connector: An electrical connector on the rear of the DADF connects to unlock the hinges, the IIT must be closed. The image...
.... Theory of hinges. Note It is possible to continue scan and flatbed copy functions with the scanner board and that communication is opened for the DADF to the IOT. There is also passed to the scanner board and then sent to the IOT... DADF Hinges: Mechanical connection between the DADF and the scanner portion of the IIT consists of a set of Operation 2-5 DADF Connector: An electrical connector on the rear of the DADF connects to unlock the hinges, the IIT must be closed. The image...
Service Manual
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... passes between the imaging device and the target document. Copy/Scan Imaging When using the document feeder for a copy or a scan, the DADF scanhead scans the second side of the original at the same time the flatbed scanhead scans the first side of damage to as a Constant ... the input tray to the document feeder. The imaging path of the DADF is referred to the original or of varying the distance between the DADF scanhead and the flatbed scanhead. This design compensates for scan service) 2-6 WorkCentre C2424 Service Manual This data is either transferred to the engine driver (for...
... passes between the imaging device and the target document. Copy/Scan Imaging When using the document feeder for a copy or a scan, the DADF scanhead scans the second side of the original at the same time the flatbed scanhead scans the first side of damage to as a Constant ... the input tray to the document feeder. The imaging path of the DADF is referred to the original or of varying the distance between the DADF scanhead and the flatbed scanhead. This design compensates for scan service) 2-6 WorkCentre C2424 Service Manual This data is either transferred to the engine driver (for...
Service Manual
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... lb.-32 lb.), fragile or damaged originals, photographs, or large (or bound) items such as the lamps in the DADF). Theory of an original being fed through the DADF. scanhead and Lamp: The Flatbed portion of the IIT connects to a receptacle on the IOT completing the signal path for ... documents and images. IIT Connector: An electrical connection on the scanner document glass (platen). Control Panel: The control panel is a part of the DADF media path. The platen functions well for media outside the operating range of operation the original is used for image data from the IIT, power...
... lb.-32 lb.), fragile or damaged originals, photographs, or large (or bound) items such as the lamps in the DADF). Theory of an original being fed through the DADF. scanhead and Lamp: The Flatbed portion of the IIT connects to a receptacle on the IOT completing the signal path for ... documents and images. IIT Connector: An electrical connection on the scanner document glass (platen). Control Panel: The control panel is a part of the DADF media path. The platen functions well for media outside the operating range of operation the original is used for image data from the IIT, power...
Service Manual
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...and Document Feeder Calibration There are the same for the scanner and document feeder: automatic calibration and manual calibration. Automatic DADF Calibration Calibration for the DADF is a "white balance" calibration performed during startup and at initial power-up , when coming out of energy ...DADF is automatic at power-up and "as required" with normal usage of a moveable flap, internal to confirm the home position, then extends into the image path. The calibration is performed at pre-programmed intervals of the system. Calibration Strip s2424-272 2-8 WorkCentre C2424...
...and Document Feeder Calibration There are the same for the scanner and document feeder: automatic calibration and manual calibration. Automatic DADF Calibration Calibration for the DADF is a "white balance" calibration performed during startup and at initial power-up , when coming out of energy ...DADF is automatic at power-up and "as required" with normal usage of a moveable flap, internal to confirm the home position, then extends into the image path. The calibration is performed at pre-programmed intervals of the system. Calibration Strip s2424-272 2-8 WorkCentre C2424...
Service Manual
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3. Once the color stabilizes, the strip retracts back to confirm operation. 4. Scanhead moves back to the home position flag, out, and back in "Manual DADF to the home position under the calibration target until the Charge Coupled Device (CCD) image reaches a specified luminescence value and is a maintenance procedure accessed through ...
3. Once the color stabilizes, the strip retracts back to confirm operation. 4. Scanhead moves back to the home position flag, out, and back in "Manual DADF to the home position under the calibration target until the Charge Coupled Device (CCD) image reaches a specified luminescence value and is a maintenance procedure accessed through ...
Service Manual
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System Motors, Solenoids, and Drive DADF Motor Elevator Motor Media Path Motor Media Drive Gearbox Tray Lift Motor Tray 1 Pick Solenoid Y-Axis Motor Paper Drive Motor X-Axis Motor Process Drive Motor s2424-237 2-22 WorkCentre C2424 Service Manual
System Motors, Solenoids, and Drive DADF Motor Elevator Motor Media Path Motor Media Drive Gearbox Tray Lift Motor Tray 1 Pick Solenoid Y-Axis Motor Paper Drive Motor X-Axis Motor Process Drive Motor s2424-237 2-22 WorkCentre C2424 Service Manual
Service Manual
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...the individual table descriptions starting on page 4-14 for a description of extensive tests that return measured mechanism parameters for the DADF. Service Diagnostic Menu Definition Tables Service Diagnostics Main Menu Definition Table Menu Item Description Main Menu Menu Help Displays information on ...subsystems with the print engine. Function Menu A submenu containing a set of the individual test functions and results. 4-6 WorkCentre C2424 Service Manual Exit Diagnostics Exits service diagnostics and runs through POST to another. See the function menu table on page 4-15.
...the individual table descriptions starting on page 4-14 for a description of extensive tests that return measured mechanism parameters for the DADF. Service Diagnostic Menu Definition Tables Service Diagnostics Main Menu Definition Table Menu Item Description Main Menu Menu Help Displays information on ...subsystems with the print engine. Function Menu A submenu containing a set of the individual test functions and results. 4-6 WorkCentre C2424 Service Manual Exit Diagnostics Exits service diagnostics and runs through POST to another. See the function menu table on page 4-15.