5 ) . Dry weather, so the copy paper with a surface photoconductive layer electrostatic adsorption force is too strong , resulting in separation failure.

38 , after the power switch is turned on , only the temperature signal , the copy key edge lights always off

Cause and Remedy :

1 ) First, check the door switch is closed , if we shut up , down inspection.

2 ) Open the rear cover machine , or open the front door, the door beginning bypassed with origami will observe fuser heater is working , such as working properly, then the thermal blocking the road ; If does not work, may fuser lamps or hot off the insurance , if not broken , check the fuser lamp power supply circuit.

Copiers with self- diagnostic function , often display a fault code appears fuser failure, such as the Canon series machine display E0, Sharp series machine display H4 and so on.

3 ) also consider the cassette is plugged in, the paper size selection switch is sensitive and so on.

39 , tray selection switch on the control panel can not select the upper and lower tray

Cause and Remedy :

1) Check if the cassette is inserted in place ;

2) Check the carton carton size for micro-switch is not working sensitive or inappropriate position ;

3 ) Check the boxes for the paperless detection sensor is sensitive ;

For example : VR721 and VR722 adjust the remaining amount of paper measuring control of the board NP-400 is appropriate ?

40 , heating is complete, the green light , but the copy button press does not work.

Cause and Remedy :

1 ) . If it is wet Ricoh machine , check the green button is located below the copy start switch (DT850 to MS8 and MS9, DT1750 was MS9 , etc. ) the location is appropriate ;

2 ) . If the copier other newer models , you should check on the operation panel green button switch is sensitive copying operation board is dirty , bad, short circuit , etc. so that the input signal can not copy .

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