A black streak at the top of print or copy.
I already replaced unit drum , developer , transfer from a known good machine but no hope.
Surprisingly, when I replaced corona it worked for some printing but come back.when i put the old corona it worked normally in other machine.
When I decrease primary charge it works for aome print and come back any suggestions.
Thanks
I already replaced unit drum , developer , transfer from a known good machine but no hope.
Surprisingly, when I replaced corona it worked for some printing but come back.when i put the old corona it worked normally in other machine.
When I decrease primary charge it works for aome print and come back any suggestions.
Thanks
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