copies became gradually light and low toner blinking.. the hopper is full of toner.. when i open and close front door the low toner alarm gone but copies were stll very light and after 70 to 100 copies low toner alarm starting again
im not sure but i think the problem started by manipulating service codes in the machine .. i changed most of the values to the default value... stupid mistake
please anyone can help me with my problem
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