Brother MFC640CW Service Manual page 194

CHAPTER 7 CLEANING
This chapter provides cleaning procedures not covered by the User's Guide. Before starting any
repair work, clean the machine as it may solve the problem concerned.
CONTENTS
7.1 CLEANING THE MAINTENANCE UNIT .....................................................................7-1
For the cleaning procedures of the head/carriage unit, scanner, and platen, refer to the User's
Guide.
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