Precautions - Brother HL-4000CN Service Manual

CHAPTER IV ASSEMBLY / DISASSEMBLY
1. BEFORE STARTING DISASSEMBLY
1.1

Precautions

Note:
Parts are controlled as spare parts. When servicing for parts for which no procedures are
described, observe their assembling condition before starting the service.
Note:
For optional parts, refer to the manual for them.
Note:
Though the optional parts are assumed to be removed, they may not be removed if not
required for the purpose of service operation.
When performing service operation for parts around the fuser ASSY, start the service
after the fuser ASSY and parts around it have cooled down.
Do not use force to prevent damage to parts.
Since a wide variety of screws are used, be careful not to mistake their positions, to
prevent the screw holes.
Wear a wrist band or the like as far as possible to remove static electricity of the
human body.
Turn the power OFF and remove the power cord from the electric outlet.
Remove the drum unit before starting the disassembling process.
Remove the transfer unit as necessary, and perform disassembly process.
Remove the fuser unit.
Remove the toner cartridges.
Remove the paper cassette from the printer.
Remove the controller board from the printer.
WARNING
WARNING
WARNING
WARNING
IV-1