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Remedy:
Adjust the tension of the wire ; ; inspection , replacement micro switch and clutch ; Check the control circuit cleaning mobile track
28 , after the copy button is pressed, the optical system motion abnormalities
Cause:
1 ) , the optical system including the lens motion abnormalities not in place, return , scan station does not start , do not go forward , do not return , stopping in the middle does not move and so on.
2 ) , first check whether the optical system maintenance oiling good ;
3 ) , and then check each stroke detection switch optical system is sensitive ;
Check the clutch and the power supply is normal .
29 , does not sound normal operation of the machine , the motor temperature
Cause:
1 ) . The main drive chain too tight ;
2 ) . Gearbox or coupling a noise ;
3 ) . Main motor grease inadequate ;
4 ) . Scanning sub tight rope , causing the main motor overloading .
Remedy:
Adjust the tension pulley or spring ; find the cause and repair ; supplement grease ; adjust or replace wire rope .
30 , the operating surface, shades button does not work
Cause:
1 ) . Developing bias completely short circuit or open circuit ; due to carrier spillover ; had the whole week off of the film on the drum ; cause bias leads Popi other reasons .
2 ) . Developing means on the plug and socket is not good contact , the developing bias is not introduced onto the roller ;
3 ) . Bias voltage transformer leads the head -board break ;
4 ) . Operation panel potentiometer thread off .
Remedy:
Clear developing bias shorted or open various factors ; make bias does lead to the developing roller ; make reliable solder joints good joints.
3l, wrinkled copy
Cause and Remedy :
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