Brother HL-4040CN Manuals

1 Ver. 122009 CLEANING THE DRUM UNIT DCP9040CN, DCP9045CDN, HL4040CN, HL4040CDN, HL4070CDW, MFC9440CN, MFC9450CDN & MFC9840CDW The following is a procedure for cleaning the drum unit using either a medical alcohol swab (available at local retail pharmacy or drugstore) or a cotton swab that has been moistened with Isopropyl alcohol. Warning: Isopropyl alcohol is flammable and should be kept away from fire or flame. Please note that this cleaning process may have to be repeated several times to remove certain kinds of foreign material from the drum unit surface. In some cases, the foreign material can not be removed and the drum unit will require replacement. 1. Turn off the machine’s power switch. 2. Unplug the telephone line cord first (if applicable), disconnect all cables, and then unplug the power cord from the AC power outlet. 3. Press the front cover release button and then fully open the front cover. 4. Grasp the green handle of the drum unit. Lift the drum unit up slightly and then pull it out until it stops.

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Confidential Brother Color Laser Printer SERVICE MANUAL MODEL: HL-4040CN/4050CDN/4070CDW Read this manual thoroughly before maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. February 2007 SM-PRN061 (7)

NETWORK USER’S GUIDE Multi-Protocol On-board Ethernet Print Server HL-4040CN HL-4050CDN Please read this manual thoroughly before using the printer. Keep the CD-ROM in a convenient place so you can use it quickly if you need to. Please visit us at http://solutions.brother.com where you can get product support, the latest driver updates and utilities, and answers to frequently asked questions (FAQs) and technical questions. Version 0 EN-EEu

Confidential Brother Color Laser Printer SERVICE MANUAL MODEL: HL-4040CN/4050CDN/4070CDW Read this manual thoroughly before maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. February 2007 SM-PRN061 (2)