GENERAL PRECAUTIONS REGARDING THE SERVICE FOR
e-STUDIO556/656/756/856
The installation and service shall be done by a qualified service
technician. e-STUDIO556/656/756/856 and e-STUDIO556SE/656SE/
756SE/856SE are the same models.
1. Transportation/Installation
- When transporting/installing the equipment, employ four persons and be sure to move it by the
casters while lifting the stoppers.
The equipment is quite heavy and weighs approximately 203 kg (447 lb.), therefore pay full
attention when handling it.
- Be sure not to hold the movable parts or units (e.g. the RADF) when transporting the equipment.
- Be sure to use a dedicated outlet with AC 110 V / 16 A, AC 115 V / 16 A, 127 V / 16 A, 220 V or
220-240 V / 9 A for its power source.
- The equipment must be grounded for safety.
- Select a suitable place for installation. Avoid excessive heat, high humidity, dust, vibration and
direct sunlight.
- Provide proper ventilation since the equipment emits a slight amount of ozone.
- To insure adequate working space for the copying operation, keep a minimum clearance of 80
cm (32”) on the left, 80 cm (32”) on the right and 10 cm (4”) on the rear.
- The equipment shall be installed near the socket outlet and shall be accessible.
- Be sure to fix and plug in the power cable securely after the installation so that no one trips over
it.
2. General Precautions at Service
- Be sure to turn the power OFF and unplug the power cable during service (except for the service
should be done with the power turned ON).
- Unplug the power cable and clean the area around the prongs of the plug and socket outlet once
a year or more. A fire may occur when dust lies on this area.
- When the parts are disassembled, reassembly is the reverse of disassembly unless otherwise
noted in this manual or other related documents. Be careful not to install small parts such as
screws, washers, pins, E-rings, star washers in the wrong places.
- Basically, the equipment should not be operated with any parts removed or disassembled.
- The PC board must be stored in an anti-electrostatic bag and handled carefully using a wristband
since the ICs on it may be damaged due to static electricity.
- Avoid expose to laser beam during service. This equipment uses a laser diode. Be sure not to
expose your eyes to the laser beam. Do not insert reflecting parts or tools such as a screwdriver
on the laser beam path. Remove all reflecting metals such as watches, rings, etc. before starting
service.
- Be sure not to touch high-temperature sections such as the exposure lamp, fuser unit, damp
heater and areas around them.
- Be sure not to touch high-voltage sections such as the chargers, transfer belt, IH control circuit,
developer, 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.
- Make sure that the equipment will not operate before touching potentially dangerous places (e.g.
rotating/operating sections such as gears, belts pulleys, fans and laser beam exit of the laser
optical unit).
- Be careful when removing the covers since there might be the parts with very sharp edges
underneath.
- When servicing the equipment with the power turned ON, be sure not to touch live sections and
rotating/operating sections. Avoid exposing your eyes to laser beam.
Caution: Before using the wristband, unplug the power cable of the equipment and
make sure that there are no charged objects which are not insulated in the
vicinity.
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