Toshiba e-STUDIO350 Service Handbook page 4

2) Service of Machines
- Basically, be sure to turn the main switch off and unplug the power cord during service.
- Be sure not to touch high-temperature sections such as the exposure lamp, the fuser unit, the
damp heater and their periphery.
- Be sure not to touch high-voltage sections such as the chargers, developer, IH control circuit,
high-voltage transformer, exposure lamp control inverter, inverter for the LCD backlight and
power supply unit. Especially, the board of these components should not be touched since the
electric charge may remain in the capacitors, etc. on them even after the power is turned OFF.
- Be sure not to touch rotating/operating sections such as gears, belts, pulleys, fan, etc.
- Be careful when removing the covers since there might be the parts with very sharp edges
underneath.
- When servicing the machines with the power turned ON, be sure not to touch live sections and
rotating/operating sections. Avoid exposure to laser radiation.
- Use suitable measuring instruments and tools.
- Avoid exposure to laser radiation during servicing.
Avoid direct exposure to the beam.Do not insert tools, parts, etc. that are reflective into the path
of the laser beam.Remove all watches, rings, bracelets, etc. that are reflective.
- Unplug the power cable and clean the area around the prongs of the plug once a year or more.
A fire may occur when dust lies on this area.
- Be very careful to treat the touch panel gently and never hit it. Breaking the surface could cause
malfunctions.
3) Main Service Parts for Safety
- The breaker, door switch, fuse, thermostat, thermofuse, thermistor, batteries, IC-RAMs including
lithium batteries, etc. are particularly important for safety. Be sure to handle/install them properly.
If these parts are shorted circuit and/or made their functions out, they may burn down, for
instance, and may result in fatal accidents. Do not allow a short circuit to occur. Do not use the
parts not recommended by Toshiba TEC Corporation.
4) Cautionary Labels
- During servicing, be sure to check the rating plate and the cautionary labels such as "Unplug the
power cord during service", "Hot area", "Laser warning label" etc. to see if there is any dirt on
their surface and whether they are properly stuck to the equipment.
5) Disposition of Consumable Parts, Packing Materials, Used batteries and IC-RAMs
- Regarding the recovery and disposal of the equipment, supplies, consumable parts, packing
materials, used batteries and IC-RAMs including lithium batteries, follow the relevant local regu-
lations or rules.
6) When parts are disassembled, reassembly is basically the reverse of disassembly unless
otherwise noted in this manual or other related documents. Be careful not to reassemble
small parts such as screws, washers, pins, E-rings, star washers, harnesses in the wrong
places.
7) Basically, the machine should not be operated with any parts removed or disassembled.
8) Precautions Against Static Electricity
- The PC board must be stored in an anti-electrostatic bag and handled carefully using a wrist-
band, because the ICs on it may become damaged due to static electricity.
Caution: Before using the wristband, pull out the power cord plug of the equipment and
make sure that there are no uninsulated charged objects in the vicinity.
07/06