Brother DCP-J752DW

Confidential
ii
2.1 Cross-section Drawings ........................................................................................ 2-3
2.1.1 Document scanning ..................................................................................... 2-3
2.1.2 Printer part ...................................................................................................2-3
2.2 Document Feeding/Recording Paper Feeding ..................................................... 2-4
2.2.1 Document feeding ........................................................................................ 2-4
2.2.2 Recording paper feeding path ...................................................................... 2-4
2.3 Function of Each Sensor/Roller ............................................................................ 2-5
2.4 Block Diagram ...................................................................................................... 2-6
2.5 Components ......................................................................................................... 2-7
3 ERROR INDICATION .................................................................................................... 2-8
3.1 Error Codes ..........................................................................................................2-8
3.2 Error Messages .................................................................................................. 2-12
3.3 Communications Error ........................................................................................ 2-15
4 TROUBLESHOOTING ................................................................................................ 2-19
4.1 Error Cause and Solutions ................................................................................. 2-19
4.2 Recording Paper Feeding Problems .................................................................. 2-52
4.2.1 Recording paper is not fed from paper tray ................................................ 2-52
4.2.2 The disc tray is not fed ............................................................................... 2-53
4.2.3 Two or more sheets of paper fed at a time ................................................ 2-53
4.2.4 Recording paper feeding at an angle ......................................................... 2-54
4.2.5 Recording paper is wrinkling ......................................................................2-54
4.2.6 Recording paper jam .................................................................................. 2-55
4.2.7 Disc tray jam ..............................................................................................2-57
4.2.8 Cannot perform duplex printing .................................................................. 2-58
4.3 Print-image Problems ......................................................................................... 2-59
4.3.1 Defective images ........................................................................................2-59
4.3.2 Troubleshooting by print-image defect .......................................................2-60
4.4 Software-related Problems ................................................................................. 2-71
4.4.1 Cannot print data ........................................................................................2-71
4.5 Network Problems ..............................................................................................2-72
4.5.1 Cannot print through a network connection ............................................... 2-72
4.6 Control Panel Problems ...................................................................................... 2-73
4.6.1 No display on the LCD ...............................................................................2-73
4.6.2 LED does not light up ................................................................................. 2-73
4.6.3 The control panel does not work ................................................................ 2-73
4.6.4 Touch panel inoperative ............................................................................. 2-73
4.7 Document Feeding Problems ............................................................................. 2-74