Precautions; Preparation Of Disassembly; Chapter Vii Disassembly; Before Starting Disassembly - Brother HL-2400C Service Manual

CHAPTER VII
1.

BEFORE STARTING DISASSEMBLY

1.1

Precautions

Follow the precautions described below during maintenance work.
(1) Do not implement any operation, disassembly or modification which is not set out
in this manual.
(3) This printer incorporates dangerous parts subject to warnings such as "High
Temperature", "High Voltage" and "Laser Radiation". Before starting any work on
this printer, make sure you have read and understand the warnings set out in this
manual.
(4) Collect and dispose of any waste toner cartridges removed during maintenance
correctly in accordance with local regulations. Do not dispose of them with
inflammable materials or dispose of them into a fire.
(5) The grounding wire is disconnected when replacing or removing the DC power
supply unit. After completing the replacement work, confirm that the grounding
wire is reconnected correctly to the earth mark
(6) Ensure that the type and length of screws removed during replacement of
maintenance parts is noted and the correct screws are used during re-assembly.
(See Table 7-1.)
(7) Do not use any solvent such as alcohol for the maintenance of this printer.
(8) Confirm that all the parts and covers are installed or assembled correctly before
starting the test run after replacement of maintenance parts.
(9) The re-assembly order is the reverse of the dis-assembly order. In all cases,
follow the flow chart in reverse to re-assemble the printer. Where there is any
change to the order, this is noted in the relevant section.
1.2

Preparation of Disassembly

Follow the procedure described below for preparation before commencing any
work.
(1) Ensure that the power cable is disconnected from the power outlet.
(2) Remove all consumable parts (OPC belt cartridge, fuser cleaner, oil bottle, all
toner cartridges, ozone filter) and the Main (Video Controller) PCB , and then
store them correctly before starting dis-assembly.
• Do not directly touch the OPC belt
surface with bare hands or gloves.
• If the belt is exposed for more than two
minutes to a light source of 800 lux, the
belt may be damaged.
DISASSEMBLY
PRECAUTION
VII-1
.