- Control Panel Overview
- LED Patterns and Indications (HL-B2000D)
- Status Messages (for LCD models)
- Access Brother Utilities (Windows)
- Load Paper
- Paper Settings
- Unprintable Area
- Recommended Print Media
- Using Special Paper
- Supported Basic Network Features
- Network Management Software and Utilities
- Advanced Network Features
- Technical Information for Advanced Users
- Lock the Machine Settings
- Network Security Features
- Before Using Network Security Features
- Manage Your Network Machine Securely Using SSL/TLS
- Introduction to SSL/TLS
- Certificates and Web Based Management
- Supported Security Certificate Features
- Create and Install a Certificate
- Manage Multiple Certificates
- Manage Your Network Machine Securely Using Web Based Management
- Manage Your Network Machine Securely Using BRAdmin Professional (Windows)
- Print Documents Securely Using SSL/TLS
- Send an Email Securely
- Error and Maintenance Indications (HL-B2000D)
- Error and Maintenance Messages
- Paper Jams
- Printing Problems
- Improve the Print Quality
- Network Problems
- AirPrint Problems
- Other Problems
- Machine Information
Home > Routine Maintenance > Clean the Machine > Clean the Corona Wire
Clean the Corona Wire
If you have print quality problems or the control panel displays [Drum !] status, clean the corona wire.
- Open the front cover.
- Remove the toner cartridge and drum unit assembly from the machine.
- Clean the corona wire inside the drum unit by gently sliding the green tab from left to right and right to left several times.Be sure to return the tab to the Home position (). The arrow on the tab must be aligned with the arrow on the drum unit. If it is not, printed pages may have a vertical stripe.
- Install the toner cartridge and drum unit assembly back into the machine.
- Close the front cover of the machine.
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