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General| Print Technology | Laser |
|---|---|
| Printer Type | Monochrome Laser Printer |
| Print Speed | Up to 20 ppm |
| Print Resolution | 2400 x 600 dpi |
| Monthly Duty Cycle | 10, 000 pages |
| Connectivity | USB 2.0 |
| Paper Capacity | 250 sheets |
| Memory | 8 MB |
| Supported Operating Systems | Windows, Mac OS, Linux |
| Paper Size | A4, Letter |
Specifies the printer models covered by the service manual.
Provides an introduction to the service manual's content and structure.
Details the main features of the Brother laser printer.
Gives a general overview of the printer's components and design.
Lists detailed technical specifications for printing, functions, and hardware.
Covers printing method, laser specifications, and resolution.
Details CPU, emulation, printer drivers, and interfaces.
Describes power source, consumption, noise, temp, humidity, dimensions, weight.
Provides key service info like machine life, MTBF, MTTR, and monthly volume.
Outlines network protocols, management tools, and supplied software.
Details feedable paper types, sizes, specs, and recommended papers.
Specifies paper types and sizes that can be used with the printer.
States the paper capacity for the paper tray and manual feed slot.
Describes how printed pages are delivered to the output tray.
Shows the printable area for PCL5e/EPSON/IBM and PCL6 emulation.
Illustrates printable areas for PCL5e/EPSON/IBM emulation in portrait mode.
Notes the printable area restriction for PCL6 emulation.
Details print speeds based on media type and paper size.
Provides approximate weights of toner cartridges and estimated page yields.
Explains how to interpret serial numbers for printers and parts.
Details laser safety compliance for 100-120V models.
Explains FDA regulations for laser products marketed in the US.
Covers IEC 60825 specifications for laser products (220-240V).
Provides critical cautions regarding laser product servicing and exposure.
Offers additional guidance on handling the printer's optical system safely.
Explains the conventions used for warnings, cautions, and notes in the manual.
Specifies power supply and environmental conditions for printer setup.
Details voltage requirements, power cord length, and circuit sharing guidelines.
Lists required room temperature, humidity, and placement guidelines.
Lists required PC specifications for installing the printer solution.
Guides on checking carton contents and identifying included components.
Details hardware setup and driver installation for different operating systems.
Provides general installation steps for Windows and Macintosh users.
Step-by-step instructions for installing the drum unit assembly.
Instructions on how to load paper into the paper tray correctly.
Describes how to print a test page using the control panel button or driver.
Detailed instructions for installing drivers on Windows operating systems.
Steps for installing drivers using a parallel interface cable.
Instructions for network setup and administrator configuration.
Details installing and configuring the BRAdmin Professional utility.
Guide on setting IP address, subnet mask, and gateway for the printer.
Steps for installing drivers for network connections.
How to install drivers for shared network printers.
Configuration steps for LPR port setup for network printing.
Configuration steps for NetBIOS port setup for network printing.
Instructions for installing drivers and connecting printers on Macintosh systems.
Steps for connecting and installing the printer via USB on Macintosh.
Steps for connecting the printer and installing the BR-Script PPD file on Macintosh.
Explains the electronic components and systems of the printer.
Shows a general block diagram of the printer's electronic systems.
Provides a block diagram of the main Printed Circuit Board (PCB).
Details the components and functions of the main PCB.
Describes the Central Processing Unit (CPU) and its specifications.
Explains the function and data transmission speed of the USB interface.
Details the parallel interface functionality for data reception and communication.
Describes the network controller and its associated LEDs.
Specifies the type and capacity of the Read-Only Memory (ROM) used.
Details the Synchronous Dynamic Random-Access Memory (SDRAM) used.
Describes the Electrically Erasable Programmable Read-Only Memory (EEPROM) configuration.
Explains the function and specifications of the reset circuit IC.
Details the interface between the panel board and the ASIC.
Explains the direct output of the video signal from the ASIC.
Describes the power supply voltages and their uses within the printer.
Details the low-voltage power supply system and its regulated outputs.
Explains the switching regulation system for generating DC power.
Describes the high-voltage power supply for charging, development, and transfer.
Explains the mechanical systems and their functions.
Provides an overview of the printer's printing mechanism and its components.
Details the paper transfer process from the tray to the separation roller.
Explains how the feed roller picks up and feeds paper to the separation roller.
Describes how the pressure plate in the paper tray is lifted by the motor.
Explains paper registration using actuators and rollers for skew adjustment.
Describes the paper ejection process after fixing and through the output tray.
Details the components and functions of the drum unit.
Explains how the exposure drum generates the latent electrostatic image.
Describes the formation of uniform charge on the drum surface.
Explains the transfer of toner image from the drum to the paper.
Describes the removal of paper dust or dirt from the exposure drum.
Explains how the toner cartridge develops the electrostatic latent image.
Details the indication of toner life end and its causes.
Describes the mechanism for detecting new toner cartridge installation.
Explains counter resetting methods based on toner life end causes.
Outlines the steps involved in the printing process.
Explains the charging of the drum using the primary charger.
Describes the exposure of the charged drum by the laser unit.
Details how toner is attracted to the electrostatic image on the drum.
Explains the transfer of the toner image to the paper via static electricity.
Describes how heat and pressure fix the toner onto the paper.
Lists various sensors and their locations within the printer.
Provides essential safety precautions before performing disassembly.
Presents a flowchart of the disassembly and re-assembly procedures.
Details the step-by-step procedures for disassembling printer components.
Instructions for disconnecting the AC power cord from the printer.
Steps for removing the drum/toner assembly from the printer.
Procedures for removing the paper tray and its components.
Instructions for removing the rear cover of the printer.
Steps for removing the rear chute cover and its associated parts.
Instructions for removing the left side cover of the printer.
Instructions for removing the right side cover of the printer.
Procedures for removing the top cover and paper stopper components.
Steps for removing the front cover of the printer.
Procedures for removing the pickup roller holder assembly.
Detailed steps for removing the fixing unit and its sub-components.
Instructions for removing the high-voltage power supply PCB assembly.
Steps for removing the main PCB assembly for HL-2030/2040.
Steps for removing the main PCB assembly for HL-2070N.
Procedures for removing the SW key and the panel PCB.
Instructions for removing the power supply PCB unit.
Steps for removing the laser unit and associated components.
Instructions for removing the sub chute assembly.
Procedures for removing the link lever.
Steps for removing the tail edge actuator and spring.
Procedures for removing the regist front actuator and spring.
Instructions for removing the regist sensor PCB assembly.
Steps for removing the regist rear actuator and spring.
Procedures for removing the fan motor unit.
Steps for removing the toner LED PCB assembly and LED holder.
Procedures for removing the new toner actuator and spring.
Steps for removing the new toner sensor.
Procedures for removing the cover sensor.
Steps for removing the toner sensor PCB assembly.
Procedures for removing the main motor assembly.
Steps for removing the develop joint.
Procedures for removing the P/R solenoid assembly and related parts.
Steps for removing the F/R solenoid assembly and related parts.
Instructions for removing the main frame L.
Instructions for removing the main frame R.
Illustrates the printer's packaging components for shipping.
Shows locations requiring lubrication for mechanical parts.
Provides guidelines for using lead-free solder during PCB repair.
Lists screw types, sizes, and their specified tightening torques.
Illustrates the routing of various harnesses within the printer.
Identifies parts subject to deterioration and requiring replacement.
Details the life expectancy and replacement of the drum unit.
Step-by-step guide for replacing the drum unit.
Details the life expectancy and replacement of the toner cartridge.
Step-by-step guide for replacing the toner cartridge.
States that there are no periodical replacement parts for quality maintenance.
Provides instructions for cleaning the printer's interior and components.
Detailed steps for cleaning the printer's internal surfaces.
Instructions for cleaning the corona wire to resolve print quality issues.
Steps for cleaning the scanner window when replacing drum or toner.
Instructions for cleaning electrical terminals for optimal print performance.
Details ROM types and operations needed after main PCB replacement.
Lists necessary items and files for updating firmware and settings.
Step-by-step guide for rewriting the printer's firmware.
Instructions for setting the default paper size on HL-2070N.
Guide for entering the printer's serial number using the maintenance utility.
Instructions for inputting laser scanner adjusted values.
How to set the starter toner cartridge status for proper density control.
Introduces troubleshooting steps and initial checks for printer problems.
Guides on performing initial checks of the operating environment and print paper.
Provides safety warnings to be followed during maintenance procedures.
Provides a chart to identify printer errors and directs to appropriate sections.
Details printer errors indicated by LEDs and user-recoverable actions.
Lists operator-recoverable errors, their LED indications, and remedies.
Explains service call indications and initial recovery steps.
Lists error messages and their corresponding descriptions.
Provides a comprehensive list of error codes and their meanings.
Details error messages reported by the Status Monitor and their corrective actions.
Lists error messages that the printer may print out.
Addresses issues related to paper feeding and loading.
Details problems related to incorrect paper loading and their remedies.
Provides instructions for clearing paper jams from various printer locations.
Step-by-step guide for removing jammed paper.
Lists causes and countermeasures for paper jams based on their location.
Addresses problems like double feeding, wrinkles, and page skew.
Covers common paper feeding issues like double feed, wrinkles, skew, curl, and pickup problems.
Addresses issues arising from incorrect software or driver settings.
Details an error message related to writing to printer ports.
Troubleshoots problems with USB driver installation and port detection.
Guides on troubleshooting printer detection issues on Macintosh OS.
Explains the functions of the control panel buttons and LEDs.
Details the procedures and functions available in User Mode.
Describes user actions for replacing consumable parts and resetting counters.
Explains how to access and use various service modes.
Details various functions available in Service Mode, like inspection and printing tests.
Explains how to use the printer's self-diagnostic tools.
Guides on using the Diagnostics tool for troubleshooting print issues.
Explains how to retrieve printer information like version and page counter.
Lists the default values for main items set in NVRAM.
Provides the first part of the main PCB circuit diagram for HL-2030/2040.
Provides the second part of the main PCB circuit diagram for HL-2030/2040.
Provides the third part of the main PCB circuit diagram for HL-2030/2040.
Provides the first part of the main PCB circuit diagram for HL-2070N.
Provides the second part of the main PCB circuit diagram for HL-2070N.
Provides the third part of the main PCB circuit diagram for HL-2070N.
Illustrates the point-to-point connections between printer components.
Shows the circuit diagram for the 100V low-voltage power supply PCB.
Shows the circuit diagram for the 200V low-voltage power supply PCB.
Provides the circuit diagram for the high-voltage power supply.
Details the replacement procedure for pinch springs to correct paper skew.
Shows the location of cover sponges for replacement.
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