S84NX/S86NX Service Manual
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Introduction
1. 1 About This Manual
This service manual gives all the information necessary for you to adjust and repair the
S84NX/S86NX.
This service manual is written only for SATO authorized service personnel.
The information in this manual is confi dential to general users.
For basic specifi cation, installation, operation and confi gurations of the printer, refer to
the operator manual of the S84NX/S86NX.
Since all problems that may arise during adjustment and repair work cannot be
described in this document, service personnel should always pay attention to safety in
addition to the precautions described in this document.
1. 2 Safety Precautions
• Always power off the printer and disconnect the AC power cord from the outlet before
you start any maintenance procedures including parts replacement.
• Wear a properly grounded static wrist strap as required during repair work.
• Wear proper gloves during adjustment and repair work.
• Do not touch the printing element with your bare hand when you replace the print
head (thermal head).
• Hold the circuit board on the sides. Do not touch the components or bend the circuit
board when you remove or install the circuit board.
• Do not touch the cutter with your hands, nor place objects into the cutter. Doing so
could cause an injury.
• The print head (thermal head) will become hot after printing. Be careful not to touch it
when replacing media or cleaning immediately after printing, to avoid being burned.
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