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1.
Maintenance
1-1.
Precautions for Maintenance
In order to prevent any damage from occuring when performing maintenance, please observe the following points.
(1)
Never print when there is no paper in the printer.
(2)
Always turn OFF the electricity when replacing components. Be especially careful when working with
electrical components by removing the power cord and making certain that the power to the printer is OFF.
(3)
Be careful not loose any components that can be re-used when replacing components.
(4)
After replacing components, use the following table to tighten screws to their appropriate torque.
Pan Head Screws = (+) hole small screws; self-tap screws = (+) hole tapping screws.
(5)
Be careful around plastic or resin made materials and components (wiring, PC Boards Covers, etc.) when
working with tools which generate heat.
(6)
When replacing PC Boards, ground your body. Static electricity will damage electrical components.
(7)
If you must transfer the PC Board to another area, wrap it in a static electricity conductive sheet.
(8)
After finishing repair work on the printer, check that all screws and connectors are securely fitted. Always
check the printer's operation after checking connections.
(9)
When replacing components, wrap paper or some other protective material around the rubber rollers to
prevent them from being damaged.
(10)
Before replacing components, always remove the interface cable.
(11)
When replacing components, always use new screws.
(12)
Use "LockTite R" when tightening screws to prevent slippage.
Screw Types
Pan Head Screw (M3 - Steel)
Self-tap Screw (M3 - Steel)
P-Truss Screws
– 37 –
MAINTENANCE AND LUBRICATION
Tightening Torque (kgcm)
7.3±0.5
Resin
5±0.5
Press
7.3±0.5
7.3±0.5
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