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CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING

This chapter details error messages and codes that the incorporated self-diagnostic functions

display if any error or malfunction occurs. If any error message appears, refer to this chapter to

find which components should be checked or replaced.

The latter half of this chapter provides sample problems that could occur in the main sections of

the machine and related troubleshooting procedures. This will help service personnel pinpoint and

repair defective components.

CONTENTS

9.1 ERROR INDICATION ..................................................................................................9-1

9.1.1 Equipment Errors .............................................................................................9-1

[ 1 ] Error messages appearing on the LCD .....................................................9-1

[ 2 ] Error codes contained in "MACHINE ERROR X X

" messages ..................9-3

9.1.2 Communications Errors..................................................................................9-17

9.2 TROUBLESHOOTING ..............................................................................................9-24

9.2.1 Introduction ....................................................................................................9-24

9.2.2 Precautions ....................................................................................................9-24

9.2.3 Checking prior to Troubleshooting ..................................................................9-24

9.2.4 Troubleshooting based on problem type .........................................................9-26

[ 1 ] Control panel problems ..........................................................................9-26

[ 2 ] Telephone problems...............................................................................9-26

[ 3 ] Communications problems.....................................................................9-27

[ 4 ] Paper/document feeding problems .........................................................9-27

[ 5 ] Print-image problems .............................................................................9-28

[ 6 ] PC-driven printing problems...................................................................9-33

[ 7 ] Memory card driven printing (SmartMedia, Compact Flash,

Memory Stick, SD card, or XD)...............................................................9-33

[ 8 ] Others....................................................................................................9-34

9.2.5 Problems encountered frequently in the past..................................................9-35

[ 1 ] Paper jams.............................................................................................9-35

[ 2 ] "MACHINE ERROR 41" error message ..................................................9-36

[ 3 ] Ink-related problems...............................................................................9-36

[ 4 ] Auto document feeder (ADF) malfunction...............................................9-37

Brother MFC5840CN User Manual

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