UP-800 (serv.man25). UP-800 810 Service Manual - Sharp ECR Service Manual (repair manual). Page 3

UP-800F/810F (V)   PRECAUTION

•  If an external pressure is applied to the lever, it may be deformed. Use enough care when assembling and handling. 

• When fingers come close to the thermal head in installation or removal of the printer or in paper replacement, static electricity may damage the

heating element and the IC’s. To prevent against this, be sure to use charging protection as well as human body earth before handling. Use

extreme care for the heating element on the thermal head surface and the thermal head control terminal. 

•  Be careful not to apply an extra force to the thermal head control terminal, or the connector may be damaged. 

•  When connecting or disconnecting the connector, be sure to turn OFF the power and disconnect the AC plug from the power outlet. 

•  When connecting or disconnecting the cable, be sure to turn OFF the power and disconnect the AC plug from the power outlet in order to prevent

the circuit parts from breakage.  At that time, hold the connector on the PWB side and connect or disconnect the cable in order not to apply an

excessive stress to the PWB. 

•  When assembling a unit, use enough care not to warp or twist it. 

• When handling, be sure to use human body earth to remove static electricity.  Of course, the normal handling cares for electronic parts must be

observed. (Static electricity, shock, heat, moisture, etc.)

•  When removing the scratch protection film (laminate film) of the LCD panel surface, static electricity may be generated. When removing, therefore,

discharge static electricity (by discharge blow) and remove slowly. 

•  Since the LCD panel surface (deflecting plate) is easily starched, use great care not to touch it with a hard or sharp material.

•  If a water drop remains on the LCD panel, it may cause discoloration or stain. Clean and remove it at once. 

•  When the LCD panel surface is stained, clean with soft cloth or absorbent cotton.

•  Since the LCD backlight section and the inverter unit are applied with a high voltage, they may cause an electric shock. When repairing or replacing

the lamp, be sure to turn OFF the power before executing the work. 

•  When cleaning the panel surface, grip a Dusper with clips, soak it in ligroin solution, and wipe and clean the panel vertically and horizontally. Do not

apply an excessive force, and do not move the Dusper in a circle or do not scrub. 

• Since transparency and maneuverability are important factors for the key sheet rubber, use finger sucks or gloves when handling. Do not use a

hard or sharp material to operate it. 

•  If water or oil is attached to the key sheet rubber, it may cause discoloration or stain. Clean and remove it at once. 

•  Be sure to use only the GND wire and the ferrite core which are specified on the Parts Guide. 

•  If a hard shock is applied to the ferrite core, it may be damaged or broken. Use enough care to handle it. 

Contains a Nickel Metal Hydride Battery pack. Must be Disposed of 

Property. Contact Local Environmental Officials for Disposal Instructions.