Brother DCP6690CW Service Manual page 338

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.
For the cleaning procedures of the head/carriage unit, scanner unit, and platen, refer to the User's Guide.
8.1 CLEANING THE EXTERNAL AND INTERNAL SURFACE OF THE MACHINE .... 8-1
8.2 CLEANING THE MAINTENANCE UNIT ................................................................ 8-2
8.3 CLEANING THE PAPER PULL-IN ROLLERS (PAPER PICK-UP ROLLERS)
(FOR DUPLEX PRINT MODELS) .......................................................................... 8-4
8.3.1 Wiping off with a cloth ............................................................................... 8-4
8.3.2 Cleaning with a cleaning kit....................................................................... 8-5
CHAPTER 8 CLEANING
CONTENTS
Confidential