Waiting machine and light copy problem

[satish.ambiger]

hello all
I have canon 6570 in which the images are very light in copies. I have tried to turn off potential sensor, but then i got very dark image, the whole page become dark then i have changed all corona wires and potential sensor in on condition i got 40-50 good image copies, after that when tried to print further copies the machine goes in (machine waiting) after that the problem repeats ( images are becoming light in copies) that is light copies Please suggest solution to fix this problem

Thanks

[mramlawi]

hello all
I have canon 6570 in which the images are very light in copies. I have tried to turn off potential sensor, but then i got very dark image, the whole page become dark then i have changed all corona wires and potential sensor in on condition i got 40-50 good image copies, after that when tried to print further copies the machine goes in (machine waiting) after that the problem repeats ( images are becoming light in copies) that is light copies Please suggest solution to fix this problem

Thanks

Changed the high voltage pcb must solve the problem