Brother HL-4200CN Cleaning the Density Sensor

TROUBLESHOOTING 5 - 24

Cleaning the Density Sensor

When the printer's density sensor is dirty, follow the steps below to clean it.

On the printer's right side, press the side of the

power switch marked O to turn the printer off.

Push up button A (1) and fully open the front cover

(2).

Grip the orange tabs at both ends of the transfer roll

and gently lift it out of the printer.

Lift the roll carefully to prevent waste toner from

spilling out.

Contents

Main Brother Color Laser Printer HL-4200CN User's Guide For visually-impaired users: This Users Guide can be read by Screen Reader text-to-speech software. Table of Contents Page Page Page Page http://solutions.brother.com Page Trademarks Compilation and Publication Shipment of the Printer REGULATIONS Electronic Emission Notices Federal Communications Commission (FCC) Declaration of Conformity (For U.S.A. Only) Industry Canada Compliance Statement (For Canada Only) International ENERGY STAR Compliance Statement Laser Notices Laser Safety (120 V Model Only) FDA Regulations (120 V Model Only) IEC 60825 Specification (220 - 240 V Model Only) Internal laser radiation Safety Information IMPORTANT - For Your Safety Geruschemission / Acoustic Noise Emission (For Germany Only) IT power system (For Norway Only) Wiring Information (For U.K. only) EC Declaration of Conformity under the R & TTE Directive ! Introduction How to Use This Guide Conventions The following conventions and symbols are used in this Users Guide: Conventions and Symbols used in this Users Guide Safety Precautions Installing and Relocating your Printer WARNING CAUTION Page Precautions for Power and Grounded/Earthed Connections Operating Environment Page Operating Precautions Radio Interference Other Difficulties Notes on Handling Consumables Caution Adjusting Color Registration Printing the Color Registration Chart Printer System Settings Determining values Entering Values Configuring the Printer on a Network Setting an IP Address Set the IP address acquisition method to Panel. Setting the IP Address Setting the Subnet Mask Setting the Gateway Address Setting Protocols Supported Protocols: Changing Protocol Settings Confirming Settings Printer Part Names and Functions Front View Basic Printer Operation Back View Inside View Turning the Printer On and Off Turn the Printer On Turn the Printer Off Installing the Printer Driver for Windows Installing the Printer Driver Upgrading the Printer Driver Page Printing from Windows Changing default printing functions Using Windows Help Installing the Printer Driver for Macintosh Installing the Printer Driver Upgrading the Printer Driver Printing from Macintosh Mac OS 8.6 - 9.2 Mac OS X 10.1 / 10.2 Using Balloon Help on Macintosh (Mac OS 8.6-9.2 only) Cancel Printing Cancel Printing at the printers Control Panel Changing the Configuration for Options Memory expansion Page Suitable and Unsuitable Paper Types Suitable Paper Types Suitable Basis Weight Recommended Paper Loading Paper and Usable Paper Types Special paper PANTONE Calibrated Paper Trays, Types, and Sizes Duplex Printing Paper Types and Sizes Automatic Duplex Printing Manual Duplex Printing with the Multi-purpose Tray Unsuitable Paper Types Storing Paper Loading Paper Load Paper in the Paper Tray Page Page Page Page Page Page Page Page Page Page Printing on Envelopes, Transparencies, and Custom-size (Long) Paper Printing on Envelopes Example Printer Driver Settings (for envelopes) Printing on Transparencies Printer Driver Settings (for transparencies) Printing Custom-size Paper Setting a User Defined Size How to Print Printer Driver Settings (for Custom-size (Long) Paper) Duplex Printing Types of Duplex Printing Duplex Printing Printer Driver Settings (for duplex printing) Control Panel Overview LED Indicators Control Panel Liquid Crystal Display (LCD) Print screen Menu screen Buttons Basic Menu Operation Menu Structure and Basic Operations Re-setting the printer settings What to do if you make a mistake? List of Menu Items System Settings Power Save Time Error Alarm Job Timeout Panel Language Auto Log Print ID Print Text Print Auto Continue PS Error Report PS Job Timeout Maintenance Mode Init NVM Security F/W (Firmware) Download BTR CurrentAdj Auto PHD align ColorRegiCorrect Parallel ECP Adobe Protocol Report/List Network Ethernet TCP/IP IPX Frame Type Protocol IP Filter Init NVM Adobe Protocol Page Troubleshooting Power Problems Printing Problems Indicators are on, flashing, or off. Cannot Print in Windows Cannot Print from a Macintosh Computer Print Quality Problems Blank or Completely Black Pages are Output Faded or Dirty Printouts, White Areas (drop-outs), Creases, Blurs Page Page Page Unsatisfactory Printing Page Paper Feed Problems Others Problems Network Problems Other Problems What to Do When an Error Message Appears "xxx-xxx" indicates numeric characters. Page Page Page Page Page The Alarm Indicator is On or Flashing Forcing the Printer to Print Remaining Data (When Printing is Halted) Cleaning the Density Sensor Page Page Clearing Paper Jams Paper Jams Page Paper Jams in the Multi-purpose Tray Paper Jams in the Paper Tray Page Paper Jams Between the Print Head Cartridge and the Fuser Unit Paper jams around the print head cartridge Page Page Paper Jams in the Paper Rotator Paper Jams in the 2 Tray Module Page Replacing the Toner Cartridges (TN-12BK/Y/M/C) Toner Cartridge Handling Precautions Storage Precautions Routine Maintenance and Consumable Replacement Page Page Page Replacing the Print Head Cartridge (PH-12CL) Print Head Cartridge Handling Precautions Storage Precautions Replacing the Print Head Cartridge Page Page Page Page Replacing the Transfer Roll Cartridge (TR-11CL) Transfer Roll Cartridge Handling Precautions Page Page Replacing the Fuser unit (FP-12CL) Fuser unit Handling Precautions Page Page Page Printing Reports and Lists Confirming Printer Configuration and Network Settings Checking the Print Log Confirming Printer Status from Your Computer Cleaning the Printer Cleaning Precautions Cleaning the outside of the printer Transporting the Printer Page Page Page Page Storing the Printer A Appendixes Introduction to the Optional and Consumable Items Options Hard Disk (HD-41CL) Consumable Items Page General Specifications Printer Specifications Page Page Network Specifications Common Specifications TCP/IP Specifications AppleTalk Specifications *1 NetBIOS Specifications NetWare Specifications Page Life Span of Consumable Items Life span of consumables (in printable pages) Adding Expansion Memory INDEX