25 toner cartridges common faults and reasons(21-25)

Hey all☺,

 That's some printer's issue and reason.

21)Replace question:

What's the reason of the printed image to white?

Reason:

surface potential low;

Toner damp or photosensitive drum assembly problem;

After the photosensitive drum exposure it is poor，surface potential low.

Exposure is insufficient;

Magnetic roller bias is low;

The transfer voltage is low;

Printed paper is damp.

22)Replace question:

What is the reason of the output image?

Reason:

Use the not conform to standard printing paper; 

The toner type and machine type doesn't match or powder carbon damp;

The drum is damp;There are some components was freely.;

The scanning motor is running  not smoothly, and There is jitter phenomenon.

23)Replace question：

What’s the reason of the shades of the output too light?

Reason:

The toner will be used up;Charge electrode wire or charge roller contamination;

Transfer electrode wire or transfer roller has contamination.

24)Replace question:

What’s the reason for the shallow phenomenon in the output sample?

Reason:

Transfer electrode wire has contamination;

Toner cartridge model doesn't correspond.

25)Replace question:

What’s the reason of export the all-spoke longitudinal black belt?

Reason:

The drum scraper is damaged or the scraper is scratched on the photoreceptor;

Magnetic roller scraper has local damage.

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