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2 . Cleaning brush rotation is not normal . Cleaning device has been seriously polluted , cleaning maintenance cleaning device ;
3 . The front surface of the cleaning blade knife straight enough . Replace the blade ;
4 . Exposure lights, reflectors , mirrors, glass or eraser lamp filter dust contamination ;
5. Exposure lamp regulator output voltages are not allowed. Readjustment ;
6. The developer has been in a long time lapse , should be replaced.
( Fourteen ) , copy image density unevenness , while deep , while shallow .
Cause and Remedy :
1 . Height before and after charging wire or wire transfer is inconsistent , attention must also be adjusted in height after adjustment charge or transfer current.
2 . There are lights on the dirt pollution exposure , pigmentation , color ring or filament deformation. Should be given to clean or replace ;
3 . Exposure lamp position , the position of the developing device is not accurate ;
4 . Place the copier is not in a horizontal position.
( Fifteen ) , apparent vertical black lines on the copy output direction along a copy
Cause and Remedy :
1 . Since the sealing mylar film cleaning device at the entrance cocked ; transfer / separation charger guides loose or deformation causes the drum surface is scratched . Replace the gasket replacement or adjustment of the transfer / separation electrode guide rod ;
2 . The fixing roller surface scratches ;
3 . Exit roller fixing device damage or separation claw damage ;
4 . The toner has adhered to the photosensitive drum surface . Clean the drum ;
( Sixteen ) , irregular wavy black lines or black bars on the copy output direction along a copy
Cause and Remedy :
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