Brother HL-4040CN Service Manual page 4

APPENDIX 1: WORKER SWITCH (WSW)
Describes the functions of the worker switches, which can be divided into two groups: one
is for customizing preferences designed for the destination and the other is for modifying
preferences that match the machine to the environmental conditions. Use the latter group if
the machine malfunctions due to mismatching.
APPENDIX 2: DELETION OF PERSONAL INFORMATION
Provides instructions on how to delete personal information recorded in the machine.
APPENDIX 3: SERIAL NUMBERING SYSTEM
APPENDIX 4: SCREW CATALOGUE
APPENDIX 5: REFERENCES
Information in this manual is subject to change due to improvement or redesign of the
product. All relevant information in such cases will be supplied in service information
bulletins (Technical Information).
A thorough understanding of this machine, based on information in this service manual and
service information bulletins, is required for maintaining its print quality performance and for
improving the practical ability to find the cause of problems.
There is the reference manual as well. This reference manual contains "SPECIFICATIONS",
"THEORY OF OPERATION", "TONER CARTRIDGE WEIGHT INFORMATION",
"REFERENCES", and "GLOSSARY".
ii Confidential