Brother MFC-9130CW Service Manual page 5

2.3 Operation of Each Part ............................................................................................... 2-9
2.4 Block Diagram .......................................................................................................... 2-10
2.5 Components ............................................................................................................. 2-11
3. ERROR INDICATIONS.............................................................................2-12
3.1 Error Codes .............................................................................................................. 2-12
3.2 Error Message .......................................................................................................... 2-24
3.3 Communications Error Code .................................................................................... 2-30
4. TROUBLESHOOTING .............................................................................2-34
4.1 Error Cause and Remedy ......................................................................................... 2-34
4.2 Paper Feeding Problems .......................................................................................... 2-82
4.2.1 No paper feeding from paper tray.................................................................... 2-82
4.2.2 No paper feeding from the manual feed slot ................................................... 2-83
4.2.3 Double feeding ................................................................................................ 2-83
4.2.4 Wrinkles on paper............................................................................................ 2-84
4.2.5 Paper inclines diagonally................................................................................. 2-84
4.2.6 Curl of paper .................................................................................................... 2-85
4.2.7 Unable to perform 2-sided printing .................................................................. 2-85
4.2.8 Paper jam ........................................................................................................ 2-86
4.3 Image Defect Troubleshooting.................................................................................. 2-88
4.3.1 Image defect examples ................................................................................... 2-88
4.3.2 Troubleshooting image defect ......................................................................... 2-89
4.4 Software Setting Problems ..................................................................................... 2-103
4.4.1 Cannot print data ........................................................................................... 2-103
4.5 Network Problems .................................................................................................. 2-104
4.5.1 Cannot make a print through network connection ......................................... 2-104
4.6 Troubleshooting of the Control Panel ..................................................................... 2-105
4.6.1 Nothing is displayed on the LCD. .................................................................. 2-105
4.6.2 Unable to perform panel operation ................................................................ 2-105
4.6.3 Lamp malfunction .......................................................................................... 2-105
4.6.4 The touch panel does not work ..................................................................... 2-106
4.7 Troubleshooting of the Toner Cartridge and Drum Unit .......................................... 2-107
4.7.1 New toner not detected ................................................................................. 2-107
4.7.2 Cartridge error (Toner cartridge not detected) ............................................... 2-107
4.7.3 Toner low
(Even though a new toner cartridge is set, Toner low warning remains) ....... 2-107
4.7.4 Drum error ..................................................................................................... 2-108
4.7.5 Drum unit replacement
(Even though drum counter is reset, "Replace Drum" warning remains.)...... 2-108
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