EH-TW2900/3500/4400/4500/5500 CONFIDENTIAL
SEIKO EPSON 4 Revision A
IMPORTANT PRECAUTIONS IN SAFETY AND MAINTENANCE PERFORMANCE
Here describes the important points to keep in mind in repair and maintenance performance.
SYMBOLS
To prevent injury to the repair technicians and to protect the devices, the categorized safety instructions are provided in this manual with the symbols below. Be sure
to read and understand their meanings before proceeding to the next section.
Category
Symbol Meaning
Danger
Indicates an extremely hazardous operation which, if ignored or operated
incorrectly, could result in serious or fatal personal injury.
Warning
Indicates a potentially hazardous operation which, if ignored or operated
incorrectly, could result in serious or fatal personal injury.
Caution
Indicates a potentially hazardous operation which, if ignored or operated
incorrectly, could result in minor injury or damage to equipment.
Prohibited
Matter
Indicates a prohibited action or operation in repair and maintenance
performance.
Instruction
Indicates a compulsory action or operation that must be carried out in repair and
maintenance performance.
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