Canon PC-D320 Service Manual

Also see for FAX-L400: Specifications Facsimile guide Quick reference guide Specifications

Contents

PC-D320/PC-D340/FAX-L400 Chapter 3: Assembly and Disassembly3-11. ATTENTION TO BE PAID DURING ASSEMBLY/DISASSEMBLY1.1 Safety CautionsElectrical shockIn order to prevent any risk of electrical shock, always be sure to check that the power cordand modular jack have been removed. Also, remove all cables connecting to the computer.When conducting service that requires the main unit to be powered on, be sure to wearsome kind of earthing, such as a wrist strap, etc. Otherwise, there is adanger of conduction and electrical shock.Parts which are generally likely to cause electrical shock are as follows.• Power supply unit primary (supplied with AC voltage)• Telephone line primary• LBP engine high voltage contacts (for high voltage during developing andtransfer)High temperatureIn order to prevent burns during disassembly, allow at least ten minutes, afterthe power has been switched off, for the high temperature components to cooldown.General high temperature components are as follows.• Motors• Power supply unit• Elements on driver ICs, etc., on PCBs (in particular, ICs with heatsinks)• BJ cartridge aluminium plate (for BJ cartridge engine models)• Fixing unit and peripheral covers (for LBP engines)Battery ReplacementThe batteries must be replaced correctly to avoid explosion.Do not replace any battery with one not indicated for the machine, i.e., use one of the sametype or equivalent. Be sure to dispose of used batteries according to local laws andregulations.FireIt is dangerous to throw lithium batteries and parts and components containing flammablesubstances, such as cartridges, etc., into fire. Such parts and components must be disposedof in accordance with local laws and regulations.IgnitionWhen using solvents such as alcohol, etc., while conducting service, there is adanger of fire igniting from heat from internal circuitry and from sparks. Before using anysuch solvents, be sure to switch off the power and allow time for high temperature parts tocool down. Make sure that there is sufficient ventilation when working with solvents.