Brother HL-2250DN Service Manual page 4

4.1.6 Dirt on paper ......................................................................................................... 2-25
4.1.7 Paper feeding at an angle .................................................................................... 2-25
4.1.8 Wrinkles or creases .............................................................................................. 2-26
4.1.9 Curl in the paper ................................................................................................... 2-27
4.1.10 Prints only single side of the paper when duplex-printing .................................... 2-28
4.1.11 Cannot make print through duplex-printing .......................................................... 2-28
4.1.12 Paper size error .................................................................................................... 2-28
4.1.13 Paper size error through duplex-printing .............................................................. 2-28
4.2 Troubleshooting Image Defect .......................................................................................... 2-29
4.2.1 Light ...................................................................................................................... 2-29
4.2.2 Faulty registration ................................................................................................. 2-31
4.2.3 Dark ...................................................................................................................... 2-31
4.2.4 Poor fixing ............................................................................................................ 2-32
4.2.5 Completely blank .................................................................................................. 2-32
4.2.6 Image distortion .................................................................................................... 2-33
4.2.7 All black ................................................................................................................ 2-33
4.2.8 Dirt on the back of paper ...................................................................................... 2-33
4.2.9 Vertical streaks ..................................................................................................... 2-34
4.2.10 Black vertical streaks in a light background ......................................................... 2-34
4.2.11 Black horizontal stripes ........................................................................................ 2-35
4.2.12 White vertical streaks ........................................................................................... 2-36
4.2.13 White horizontal streaks ....................................................................................... 2-36
4.2.14 Faint print ............................................................................................................. 2-36
4.2.15 White spots ........................................................................................................... 2-37
4.2.16 Black spots ........................................................................................................... 2-37
4.2.17 Black band ............................................................................................................ 2-38
4.2.18 Downward fogging of solid black .......................................................................... 2-38
4.2.19 Horizontal lines ..................................................................................................... 2-38
4.2.20 Ghost .................................................................................................................... 2-39
4.2.21 Fogging ................................................................................................................ 2-39
4.3 Software Setting Problems ............................................................................................... 2-40
4.3.1 Cannot print data .................................................................................................. 2-40
4.4 Network Problems (Network model only) ......................................................................... 2-41
4.4.1 Cannot make a print through network connection ................................................ 2-41
4.5 Toner & Drum Problems ................................................................................................... 2-42
4.5.1 If replace toner, cannot delete "Replace Toner". .................................................. 2-42
4.5.2 Cannot detect toner .............................................................................................. 2-42
4.5.3 Toner low .............................................................................................................. 2-42
4.5.4 Replace toner ....................................................................................................... 2-42
4.5.5 Toner ended ......................................................................................................... 2-43
4.5.6 No toner ................................................................................................................ 2-43
4.5.7 Drum life end soon ............................................................................................... 2-43
4.5.8 Drum error ............................................................................................................ 2-43
4.5.9 Drum stop ............................................................................................................. 2-43
4.6 Fuser Unit Problems ......................................................................................................... 2-44
4.6.1 Fuser Unit failure .................................................................................................. 2-44
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