Brother International HL-2400C Service Manual - Page 199

CHAPTER VII DISASSEMBLY 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. PRECAUTION • 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. VII-1