Questions & Answers for: Brother HL black square

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Question about HL 2700CN Laser Printer

7 Answers

sensor at the top left side of belt.  On the left edge of the belt you will notice a couple of black squares, these are the belt sensor markers.  Clean any toner on the edge of the belt that

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Question about HL 1440 Laser Printer

1 Answer

...black squares one quarter inch square down the left margin. every copy has seven of these black squares printed on the page. clean the roller. the toner you have installed may be defective. did you ...

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Question about HL-4040CN Laser Printer

1 Answer

...square that can be moved back and forth. I did this several times. I then placed the unit inside, and the error message went away for a minute. However it still wouldn't print and the error message ...

Question about HL 5150D Laser Printer

1 Answer

...square hole just below the black print button. Push a small screwdriver down into this hole. You'll feel a little springy resistance from another plastic retaining tab. While gently holding the tab ...

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