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Brother HLL3290CDW User Manual

Brother HLL3290CDW
430 pages
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Confidential
MODEL
March 2018
SM-FAX191
8CE7*
Ver.1
Brother Laser MFC
SERVICE MANUAL
DCP-9030CDN/L3510CDW/L3517CDW
DCP-L3550CDW/L3551CDW
HL-L3290CDW
MFC-9150CDN/9350CDW
MFC-L3710CW/L3730CDN/L3735CDN
MFC-L3745CDW/L3750CDW/L3770CDW
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.

Table of Contents

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Brother HLL3290CDW Specifications

General IconGeneral
Print TechnologyLaser
Print Resolution2400 x 600 dpi
Monthly Duty Cycle30, 000 pages
ConnectivityUSB, Ethernet, Wi-Fi
Automatic Duplex PrintingYes
Paper Capacity250 sheets
Wireless PrintingYes
Mobile Device PrintingYes
Printer TypeColor Laser Printer
Operating System CompatibilityWindows, macOS, Linux
DisplayLCD
FunctionsPrint, Copy, Scan
Maximum Paper SizeLegal
Mobile PrintingAirPrint, Google Cloud Print, Brother iPrint&Scan

Summary

Supplemental Specifications

General Specifications Comparison

Comparative table of functions for various Brother MFC and HL models.

Network Connectivity Specifications

Specifies wired and wireless network node types for all models.

Service Information and Lifespan

Details machine life, part life, MTBF, MTTR, and max monthly print volume.

Supplies Specifications

Lists toner, drum unit, belt unit, and waste toner box specifications.

Media Specifications

Details media types, weights, and input/output specifications for various paper types.

Fax Functionality Specifications

Provides specifications for modem speed, transmission speed, and fax types.

Copy Specifications

Specifies copy speed, first copy out time, and print resolution for different models.

Scanner Specifications

Lists optical and interpolated resolution and scanning speeds for different models.

Error Indication and Troubleshooting

Introduction to Troubleshooting

Explains the purpose of troubleshooting procedures and sample troubles.

Safety Precautions for Troubleshooting

Outlines essential safety precautions to prevent secondary problems during maintenance.

Pre-Troubleshooting Checks

Lists checks for operating environment, power supply, paper, and consumable parts.

Machine Overview

Provides a general overview of the machine's main internal components.

Cross-section Drawings

Illustrates detailed cross-section drawings of the printer and scanner parts.

Printer Part Cross-section

Shows a cross-section of the printer part, detailing manual feed components.

Paper Feeding Paths

Illustrates the paper feeding paths for manual feed and MP tray.

Printer Part Paper Feeding

Details the manual feed paper path within the printer mechanism.

Part Operation and Location

Explains the operation and location of various parts like sensors, rollers, and actuators.

Block Diagram of Components

Illustrates the interconnections between major machine components.

Main Components Overview

Provides an exploded view of the machine's main internal components.

Error Indication Overview

Introduces the machine's self-diagnosis function for error reporting.

Error Code List

Lists and describes various error codes, their causes, and references.

Error Message Display

Details error messages displayed on the LCD and their descriptions.

Non-Touch Panel Error Messages

Lists error messages and their remedies for non-touch panel models.

Touch Panel Error Messages

Lists error messages and their remedies for touch panel models.

Communication Error Codes

Lists causes and references for various communication error codes.

Troubleshooting Guide

Provides guidance for troubleshooting machine errors and malfunctions.

Paper Feeding Troubleshooting

Offers solutions for common paper feeding issues.

No Paper Feeding from Tray 1

Provides user checks and steps to resolve no paper feeding issues from Tray 1.

Image Defect Troubleshooting

Guides users on identifying and resolving image quality issues.

Image Defect Examples

Visual examples of common image defects like light print, streaks, and ghosting.

Troubleshooting Image Defects by Type

Provides troubleshooting steps for specific image defects like light print.

Software Troubleshooting

Addresses issues related to software, drivers, and machine communication.

Unable to Receive Data Troubleshooting

Provides steps for troubleshooting when data cannot be received by the machine.

Network Troubleshooting

Guides on resolving network connectivity and access point issues.

Cannot Print via Network

Steps to troubleshoot network printing problems.

Cannot Connect to Access Point

Solutions for issues preventing connection to a wireless access point.

Control Panel Troubleshooting

Addresses issues with the LCD display or LED indicators on the control panel.

LCD Display Issues

Troubleshooting steps when the LCD screen is blank.

LED Indicator Issues

Steps to resolve issues where LED indicators are not functioning.

Toner Cartridge and Drum Unit Problems

Guides on resolving issues related to toner cartridge and drum unit detection.

New Toner Not Detected

Steps to take when the machine does not detect a new toner cartridge.

Fuser Unit Troubleshooting

Provides troubleshooting steps for fuser unit failures.

Fuser Unit Failure

Details causes and remedies for fuser unit malfunctions.

LED ASSY Troubleshooting

Guides on resolving issues with the LED ASSY.

LED ASSY Failure

Troubleshooting steps for LED ASSY failures and related components.

PCB Troubleshooting

Addresses issues related to main PCB and other electronic boards.

Main PCB Failure

Troubleshooting steps for a malfunctioning main PCB.

Document Feeding Troubleshooting

Guides on resolving issues with document feeding through the ADF.

No Document Fed by ADF

Steps to troubleshoot when no document is fed into the ADF.

Multiple Documents Fed by ADF

Solutions for when the ADF feeds multiple documents at once.

Image Defect Troubleshooting

Guides on identifying and resolving various image quality problems.

Image Defect Examples

Visual examples of common image defects like light print, streaks, and ghosting.

Troubleshooting Specific Image Defects

Provides troubleshooting steps for specific image defects like light print.

Fax Troubleshooting

Guides on resolving issues related to sending and receiving faxes.

Fax Send Failure

Troubleshooting steps when the machine fails to send a fax.

Other Problem Troubleshooting

Addresses miscellaneous problems not covered in other sections.

Cannot Make Print Troubleshooting

Troubleshooting steps when printing from a computer fails.

Disassembly and Reassembly

Safety Precautions for Maintenance

Essential warnings and precautions for safe disassembly and reassembly.

Packing Procedure

Details the packing components and procedure for shipping or storage.

Screw Catalogue

Lists common screw types used in the machine with their specifications.

Screw Torque List

Provides a table of screw types, quantities, and their specified torque values.

Lubrication Guide

Specifies lubricating oils, points, and quantities for specific parts.

Overview of Gears

Illustrates the layout and names of the machine's gears.

Harness Routing Diagrams

Shows the routing of electrical harnesses for various machine units.

Disassembly Flowchart

Provides a flowchart outlining the sequence of disassembly steps for major parts.

Disassembly Procedures

Details the step-by-step process for disassembling machine components.

Disassembly Preparation

Steps for disconnecting cables and removing accessories before disassembly.

Paper Tray / T1 Separation Pad ASSY Removal

Instructions for removing the paper tray and T1 separation pad assembly.

Back Cover Removal

Step-by-step guide to removing the back cover assembly and its stopper arms.

Rear Flapper Sub ASSY Removal

Instructions for removing the rear flapper sub assembly from its bosses.

Fuser Cover ASSY / Fuser Unit Removal

Guides on removing the fuser cover and fuser unit, including screw and hook details.

Cord Hook Removal

Instructions for removing the cord hook from its locations.

Left Side Cover Removal

Steps for removing the left side cover, including screws and hooks.

Right Side Cover Removal

Instructions for removing the right side cover, including screws and hooks.

Lower Back Cover Removal

Guides on releasing hooks to remove the lower back cover.

Document Scanner Unit Removal

Steps for removing the document scanner unit, including shield plates and ground wires.

ADF Unit Removal (Models with ADF)

Guides on removing the ADF unit and its associated components.

ADF Unit Specific Removal

Detailed steps for removing the ADF unit itself.

Document Separation Roller ASSY Removal

Instructions for removing the document separation roller assembly from the ADF.

ADF Separation Holder ASSY Removal

Steps for removing the ADF separation holder assembly from the ADF unit.

Second Side CIS Unit / Flat Cable Removal

Guides on removing the second side CIS unit and its flat cable.

Document Sensor PCBs Removal

Steps for removing the document detection and scanning position sensor PCBs.

Document Cover ASSY Removal (Models without ADF)

Instructions for removing the document cover assembly.

Panel Unit Removal

Steps for removing the panel unit and disconnecting its flat cable.

Touch Panel Unit Components Removal

Detailed disassembly of the touch panel unit, including key PCB, LCD, and shield cover.

Non-Touch Panel PCB/LCD Assembly Removal

Instructions for removing the panel PCB and LCD assembly for non-touch models.

Panel Flat Cable / First Side CIS Unit Removal

Guides on removing the panel flat cable and first side CIS unit/cable.

Modem Flat Cable / Modem PCB Removal

Steps for removing the modem flat cable and modem PCB.

Joint Cover ASSY Removal

Instructions for removing the joint cover assembly, including ground wire and arm.

LED Unit Removal

Guides on removing the LED unit and its associated components.

Speaker Unit Removal

Steps for removing the speaker unit, including harness and spring.

NFC PCB Removal

Instructions for removing the NFC PCB and associated covers.

LED Control Flat Cable / PCB Removal

Guides on removing the LED control PCB and its shield plate.

LED ASSY and Flat Cable Removal

Steps for removing the LED ASSY and its flat cables.

MP Unit Components Removal

Instructions for removing MP paper guide, MP cover, and USB host PCB.

MP Roller Holder ASSY Removal (MP Models)

Steps for removing the MP roller holder assembly.

MP Unit Removal (MP Models)

Guides on removing the MP unit, including harnesses and paper feed guide.

Manual Feed Cover ASSY / USB Host PCB Removal

Instructions for removing the manual feed cover and USB host PCB.

High-Voltage Power Supply PCB / Develop Release Sensor PCB Removal

Steps for removing the high-voltage power supply PCB and develop release sensor PCB.

Fan Removal

Instructions for removing the fan and its harness.

WLAN PCB Removal

Steps for removing the WLAN PCB and its cap.

Main PCB Removal

Guides on disconnecting harnesses and removing the main PCB.

Cartridge Sensor Relay Flat Cable Removal

Instructions for removing the cartridge sensor relay flat cable and PCB.

Drive Unit and Flat Cable Removal

Guides on removing multiple components including clutch, drive units, and flat cables.

Clutch and Paper Feed Drive Unit Removal

Steps for removing clutches, bearings, and the paper feed drive unit.

Eject Sensor PCB Removal

Instructions for removing the eject sensor PCB and its associated harnesses.

Roller Holder ASSY Removal

Guides on removing the roller holder assembly.

Paper Feed Unit Removal

Steps for removing the paper feed unit.

Paper Eject ASSY Removal

Instructions for removing the paper eject assembly, including gears and arms.

Duplex Tray Removal

Guides on removing the duplex tray, DX drive cover, and gears.

Low-Voltage Power Supply PCB Removal

Steps for removing the low-voltage power supply PCB and its related components.

Registration Mark Sensor PCB Removal

Instructions for removing registration mark sensors and related PCBs.

Adjustments and Settings Updates

Main PCB Replacement Procedures

Actions and preparations required after replacing the main PCB.

Registration Mark Sensor or LED ASSY Replacement

Steps for adjustments after replacing the registration mark sensor or LED ASSY.

Low-Voltage Power Supply PCB Replacement

Procedure for resetting counters after replacing the low-voltage power supply PCB.

LCD, Panel Unit, or Panel PCB Replacement

Steps for adjusting the touch panel and checking LCD operation after replacement.

ADF, CIS, or Document Scanner Unit Replacement

Actions for acquiring white level data and performing scanning checks after replacement.

Fuser Unit Replacement

Procedure for resetting printed pages counter after replacing the fuser unit.

PF Kit Replacement

Steps for resetting printed pages counter after replacing a PF kit.

Service Functions

Maintenance Mode Overview

Introduction to the maintenance mode for machine checks and adjustments.

Entering Maintenance Mode

Detailed instructions on how to access the maintenance mode.

Service Personnel Maintenance Mode Entry

Procedures for service personnel to enter the maintenance mode.

End-User Accessible Maintenance Mode Entry

Explains how end-users can access certain maintenance functions.

List of Maintenance Mode Functions

A comprehensive list of all available maintenance mode functions and their references.

Details of Maintenance Mode Functions

Detailed explanations of various maintenance mode functions.

Initialize EEPROM Parameters (Function Code 01, 91)

Function to initialize EEPROM parameters for service and user support.

Transition to Shipping State (Function Code 03)

Function to set the machine to its shipping state, affecting software availability.

ADF Performance Test (Function Code 08)

Tests the performance of the automatic document feeder by counting scanned pages.

Monochrome Print Quality Test Pattern (Function Code 09)

Prints test patterns to check monochrome image and print quality.

Worker Switches (WSW) and Print Settings (Function Codes 10, 11)

Allows setting various functions via worker switches and printing their configuration.

Set Worker Switches (WSW) (Function Code 10)

Table detailing worker switches and their functions for system configuration.

Check LCD Operation (Function Code 12)

Verifies the normal operation of the control panel's LCD display.

Check Control Panel Key Operation (Function Code 13)

Checks the functionality of all control panel keys for normal operation.

Save NetConfig Information (Function Code 18)

Saves network configuration information to a USB flash memory.

Display Software Version (Function Code 25)

Checks firmware, program, and sum information versions.

Check Sensor Operation (Function Code 32)

Verifies the operational status of various machine sensors.

Display LAN Connection Status (Function Code 33)

Checks the connection status of the wired LAN interface.

Set PC-Print Functions (Function Code 43)

Allows changing settings for various print functions like resolution and paper size.

Various Print Function Adjustments (Function Code 45)

A broad function to adjust various print parameters and settings.

Adjust Printable Range by Speed Level (Function Code 46)

Adjusts the print position in horizontal and vertical directions.

Transfer Fax Data / Log Information (Function Code 53)

Transfers fax data, logs, or reports to another machine.

Fine-tune Scanning Position (Function Code 54)

Adjusts the scanning start and end positions for ADF and FB.

Acquire White Level Data & Set CIS Scan Area (Function Code 55)

Acquires white level data and sets the CIS scan area for accurate scanning.

Check Consumables Function (Function Code 57)

Verifies toner cartridge support, color, and destination via the sensor.

Adjust Touch Panel (Function Code 61)

Calibrates the touch panel for accurate input.

Color Registration Adjustment (Function Code 66)

Adjusts color registration, manually or automatically, to correct misregistration.

Continuous Print Test (Function Code 67)

Conducts paper feed and eject tests by printing various patterns.

LED ASSY Test Pattern Print (Function Code 68)

Prints LED ASSY test patterns to check for failures.

Print Frame Pattern (1-Sided) (Function Code 69)

Prints a frame pattern on one side of the paper to check for flaws.

Print Frame Pattern (2-Sided) (Function Code 70)

Prints a frame pattern on both sides of the paper for flaw checking.

Color Test Pattern (Function Code 71)

Prints test patterns to check the develop roller or exposure drum condition.

Density Sensor Sensitivity Adjustment (Function Code 72)

Adjusts density sensor sensitivity to correct print density issues.

Continuous Density/Registration Sensor Adjustments (Function Code 73)

Performs consecutive adjustments for density, bias voltage, and color registration.

Configure Country/Region and Model (Function Code 74)

Customizes machine settings for language, functions, and worker switches by spec code.

Print Maintenance Information (Function Code 77)

Prints maintenance data like consumable levels and replacement counts.

Check Fan Operation (Function Code 78)

Checks the fan operation by switching speeds among 100%, 67%, 50%, and OFF.

Delete Fax Data (Function Code 79)

Deletes fax data stored in the machine's memory.

Display Machine Log Information (Function Code 80)

Displays machine logs, error logs, and serial numbers on the LCD.

Display Machine Error Code (Function Code 82)

Shows the latest error code encountered by the machine on the LCD.

Developing Bias Voltage Correction (Function Code 83)

Corrects developing bias voltage to fix color density issues in prints.

Send Communication Log to Telephone Line (Function Code 87)

Sends error lists to service personnel for remote analysis of fax problems.

Reset Consumable Counters (Function Code 88)

Resets counters for consumable parts after replacement, like fuser or PF kit.

Quit Maintenance Mode (Function Code 99)

Exits maintenance mode and restarts the machine to its ready state.

Other Service Functions

Provides access to additional service functions beyond standard maintenance.

Color Registration ON/OFF Setting

Switches the automatic color registration function ON or OFF.

Print Communication Error List

Prints a list of communication errors for troubleshooting.

Wiring Diagram

Machine Wiring Diagram

Provides a detailed wiring diagram of the machine's electrical components.

Periodical Maintenance

Maintenance Precautions

General safety precautions specific to periodical maintenance procedures.

Periodical Replacement Parts

Lists parts that require periodical replacement to maintain performance.

Preparation for Part Replacement

Steps for disconnecting cables and removing accessories before part replacement.

Fuser Unit Replacement Procedure

Guides on removing the fuser unit, including covers and related parts.

PF Kit 1 Replacement

Instructions for replacing the PF kit 1 and resetting its counter.

PF Kit MP Replacement

Steps for replacing the PF kit MP and resetting its counter.

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