CL-E720DT iv
Safety Precautions
To prevent personal injury or property damage, the following shall be strictly observed.
The degree of possible injury and damage due to incorrect use/maintenance or improperly
following instructions is described below.
Indicates a situation which, if not observed and handled properly, could
result in death or serious injury.
Indicates a situation which, if not observed and handled properly, could
result in injury or property damage.
: This is a mark to call attention to the reader.
Before starting disassembly/reassembly or mechanical adjustment, be sure to
disconnect the power cord from the power source. Otherwise, electric shock may occur.
Observe the following in maintenance work:
• Do not disassemble/reassemble or adjust the machine, if it functions properly.
Particularly, do not loosen screws on any component, unless necessary.
• After completing an inspection and before turning on the power, be sure to check that
there is no abnormality.
• Never try to print without media.
• Check that the media is properly set.
• Do not lay anything on the cover or lean against it during maintenance or while the
printer is in operation.
• During maintenance, be careful not to leave parts or screws unattached or loose
inside the printer.
• When handling a printed circuit board, do not use gloves, etc., which can easily
cause static electricity. Since ICs, such as CPU, RAM and ROM, might be destroyed
by static electricity, do not touch lead wires or windows unnecessarily.
• Do not put the printed circuit boards directly on the printer or on the floor.
• When disassembling or reassembling, check wires for any damage and do not pinch
or damage them. Also, run wires as they were.
Warning
Caution
Warning
Caution
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