Brother 09055CDN Service Manual page 38

ERROR INDICATION AND TROUBLESHOOTING
This chapter details error messages and codes which the incorporated self-diagnostic function of the
machine will display if any error or malfunction occurs. If any error message appears, refer to this
chapter to find which parts should be checked or replaced.
The latter half of this chapter provides sample problems which could occur in the main sections of the
machine and related troubleshooting procedures.
1. INTRODUCTION ........................................................................................2-1
1.1 Precautions................................................................................................................. 2-1
1.2 Initial Check ................................................................................................................ 2-2
2. OVERVIEW.................................................................................................2-4
2.1 Cross-section Drawing ............................................................................................... 2-4
2.2 Paper Feeding ............................................................................................................ 2-7
2.3 Operation of Each Part ............................................................................................. 2-10
2.4 Block Diagram .......................................................................................................... 2-12
2.5 Components ............................................................................................................. 2-13
2.6 Life of Toner Cartridge and Drum Unit ...................................................................... 2-14
3. ERROR INDICATIONS.............................................................................2-17
3.1 Error Codes .............................................................................................................. 2-17
3.2 Error Messages ........................................................................................................ 2-24
3.3 Communications Error Code .................................................................................... 2-29
3.4 Error Cause and Remedy ......................................................................................... 2-32
3.5 Paper Feeding Problems ........................................................................................ 2-103
3.5.1 No feeding ..................................................................................................... 2-103
3.5.2 Double feeding .............................................................................................. 2-106
3.5.3 Paper jam ...................................................................................................... 2-106
3.5.4 Dirt on paper .................................................................................................. 2-110
3.5.5 Wrinkles on paper.......................................................................................... 2-110
3.6 Image Defect Troubleshooting.................................................................................2-111
3.6.1 Image defect examples ..................................................................................2-111
3.6.2 Pitch indicated in roller image........................................................................ 2-112
3.6.3 Troubleshooting image defect ....................................................................... 2-112
3.7 Software Setting Problems ..................................................................................... 2-127
3.7.1 Cannot print data ........................................................................................... 2-127
CHAPTER 2
CONTENTS
Confidential