2.Precautions for Maintenance
WARNING
⢠Always remove the power plug from the wall outlet before starting machine disassembly. ...............
⢠Always follow the procedures for maintenance described in the service manual and other related
brochures. .......................................................................................................................................
⢠Under no circumstances attempt to bypass or disable safety features including safety mechanisms
and protective circuits. .....................................................................................................................
⢠Always use parts having the correct specifications. ..........................................................................
⢠Always use the thermostat or thermal fuse specified in the service manual or other related bro-
chure when replacing them. Using a piece of wire, for example, could lead to fire or other serious
accident. ..........................................................................................................................................
⢠When the service manual or other serious brochure specifies a distance or gap for installation of a
part, always use the correct scale and measure carefully. ................................................................
⢠Always check that the copier is correctly connected to an outlet with a ground connection. .............
⢠Check that the power cable covering is free of damage. Check that the power plug is dust-free. If it
is dirty, clean it to remove the risk of fire or electric shock. ..............................................................
⢠Never attempt to disassemble the optical unit in machines using lasers. Leaking laser light may
damage eyesight. ...........................................................................................................................
⢠Handle the charger sections with care. They are charged to high potentials and may cause electric
shock if handled improperly. ............................................................................................................
CAUTION
⢠Wear safe clothing. If wearing loose clothing or accessories such as ties, make sure they are
safely secured so they will not be caught in rotating sections. ..........................................................
⢠Use utmost caution when working on a powered machine. Keep away from chains and belts. ........
⢠Handle the fixing section with care to avoid burns as it can be extremely hot. ..................................
⢠Check that the fixing unit thermistor, heat and press rollers are clean. Dirt on them can cause
abnormally high temperatures. ........................................................................................................