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General| Print Technology | Laser |
|---|---|
| Print Speed | 20 ppm |
| Print Resolution | 600 x 600 dpi |
| Copy Speed | 20 cpm |
| Scanner Type | Flatbed |
| Connectivity | USB 2.0 |
| Duplex Printing | Manual |
| Functions | Print, Copy, Scan |
| Warm-up Time | 25 seconds |
| Copy Resolution | 600 x 600 dpi |
| Scan Resolution | 600 x 600 dpi |
| Paper Size | A3, A4, A5, B4, B5 |
| Maximum Paper Capacity | 850 sheets |
| Maximum Paper Size | A3 |
| Dimensions | 599 x 612 x 511 mm |
| Zoom Range | 25% - 400% |
| Operating System Compatibility | Windows |
| Paper Capacity | Standard: 350 sheets (250-sheet tray + 100-sheet bypass tray) Maximum: 850 sheets |
Essential safety guidelines for handling the machine during servicing, covering electric shock, heat, and component handling.
Critical warnings about power connections, grounding, fire hazards, and handling the power cord.
Guidelines for selecting an appropriate installation location to prevent issues like humidity, vibration, or poor ventilation.
Precautions for preventing damage to electronic components from static electricity, including anti-static bag use.
Specific notes for safe repair or replacement of the Laser Scanner Unit, including power disconnection and laser safety.
Guidelines for safely handling image-forming components like OPC drums and developer units to prevent contamination or damage.
Illustrates the overall system architecture, showing machine models and connected options.
Details available optional equipment and their compatibility with different machine models.
Explains the meaning and location of identification seals on machine parts and options.
Covers engine composition, speed (ppm), printable area, and first copy time for various models.
Details scanner resolution, gradation, document table, and scan speed specifications.
Outlines document feeder capabilities, paper handling, size detection, and supported paper types.
Covers paper capacities, types, sizes, and paper exit operations for different trays and bypass.
Details the operation panel display, keys, controller board architecture, and memory specifications.
Describes various copy functions, resolution settings, and printer driver support for different OS.
Covers image send modes, file formats, and power source/consumption details.
Provides physical dimensions, weight, occupied area, and ambient conditions for machine operation.
Lists consumable parts like toner, developer, and drums, with part numbers and life estimates per region.
Details maintenance parts and their replacement intervals for different regions and models.
Specifies operating conditions and expected lifespan for the photoconductor drum and developer.
Explains how to identify production date and lot numbers on toner cartridges and developer bags.
Identifies and describes external components like connectors, handles, covers, and trays.
Shows internal parts such as toner cartridge, fusing unit, and photoconductive drum for service access.
Details the layout and function of the operation panel keys, display, and indicators.
Lists and describes motors, solenoids, and clutches responsible for mechanical movements in the machine.
Identifies sensors and switches for detecting paper presence, status, temperature, and door openings.
Lists the main PWBs and their functions, including control, scanning, and interface boards.
Provides detailed cross-sectional diagrams illustrating the path of paper and components within key sections.
Provides general instructions and sequence for performing machine adjustments, emphasizing necessity and order.
Lists all adjustable items with associated job numbers, simulation codes, and adjustment types.
Details adjustments for the developing doctor gap, MG roller position, bias voltage, and grid bias.
Covers adjustments for image position, distortion, magnification ratios, and off-center settings.
Describes the procedure for setting and adjusting copy image density for different modes.
Explains how to enter simulation mode, navigate, and perform tests on machine components.
Provides a comprehensive list of simulation codes, their functions, and related sub-codes for diagnostics.
Explains the operation and purpose of various simulation modes for component testing and status checks.
Lists all error codes with their corresponding trouble content and detection method for quick reference.
Provides detailed causes and recommended remedies for specific error codes, aiding in fault diagnosis.
Lists necessary files and initial setup steps for updating the machine's firmware, including folder structure.
Step-by-step instructions for installing the required USB driver on the PC for firmware transfer.
Guides the process of downloading firmware files to the machine via USB using the maintenance software.
Explains how to check and confirm the machine's firmware version after the update process is complete.
Outlines essential tasks like counter resets, toner density settings, and other checks before or after maintenance.
Explains how maintenance timing is indicated based on component counters reaching set values.
Details parts requiring checking, cleaning, or replacement at specific usage intervals (75K, 150K, etc.).
Describes how remaining life and status are displayed for toner, developer, and maintenance counters on the LCD.
Provides specific notes for replacing toner and developer cartridges safely and correctly.
Illustrates the correct procedure for attaching DV side sheets and seals to the developer unit.
Provides a comprehensive table listing units, parts, and their contents for systematic disassembly.
Details the steps for removing and disassembling the high voltage unit and duplex transport mechanisms.
Covers the process of removing and disassembling the scanner unit, including glass, mirrors, and lamps.
Provides detailed instructions for disassembling the fusing unit, heat roller, and associated components.
Guides the removal and disassembly of the paper exit section, including filters, fans, and paper path rollers.
Explains how to remove and access the main control PWBs (MCU, Operation Panel) for servicing.
Details the process for removing the optical frame unit and the Laser Scanner Unit (LSU).
Covers the disassembly steps for the paper feed mechanisms in standard and high-speed paper trays.
Guides the removal and disassembly of the bypass tray unit and its feeding components.
Details the steps for accessing and removing the power supply unit, HV PWB, and power switch.
Covers the disassembly of the developing unit, including rollers, filters, toner supply, and doctor.
Provides instructions for disassembling the drum unit, main charger, cleaning blade, and separation pawl.
Outlines the disassembly of miscellaneous components like main motors and sensors.
Describes how the operation panel's LCD and keys function for controlling the machine.
Explains the mechanism and operational flow of the Reversing Single Pass Feeder for document handling.
Details the optical system drive, scanning process, image signal A/D conversion, and zooming.
Describes the mechanism and operation of the multi-purpose tray paper feed roller and separation roller.
Explains the function of the resist rollers in synchronizing paper timing with image transfer.
Details paper feeding mechanisms for standard and high-speed trays, including lifting, size detection, and pickup.
Describes the paper exit path, rollers, and switchback operation for duplex mode.
Explains the operational flow and paper transport in the duplex unit for D models, driven by the duplex motor.
Details the charging, image formation, and cleaning process of the OPC drum by laser and main charger.
Describes how toner is transported from the cartridge to the developing unit via a screw and motor.
Explains the process of image conversion using toner and the function of developing rollers and filters.
Details the toner transfer process from OPC drum to paper and the function of the discharge plate.
Describes the heating, pressure, and temperature control mechanisms for fusing toner onto paper using heat and pressure rollers.
Identifies the fans for cooling the developing, fusing, and power supply sections, and the ozone filter.
Provides visual representations of the machine's electrical system architecture for 20/23 cpm and 26/31 cpm models.
Illustrates the AC and DC power distribution paths and voltage conversions within the machine's power supply.
Detailed wiring connection charts for fans, sensors, motors, and clutches to the MCU PWB.
Shows the specific wiring diagrams for the DC power supply, High Voltage unit, and Developing unit.
Details the electrical connections for the scanner assembly, including CCD, lamps, and motors.
Illustrates the wiring for the AC power supply unit, including switches and thermostats.
Provides detailed wiring diagrams for various PWBs like MCU, LSU, OPE, and NNB, showing connector pin assignments.
Comprehensive list of signal names, types, functions, connector levels, pin assignments, and PWB mapping.
Introduces the hidden web page functions available exclusively for serviceman use, requiring AR-NB7 installation.
Explains how to export and import machine settings via XML format for efficient configuration copying.
Lists specific tools, test charts, greases, and their corresponding part codes necessary for maintenance.
