HP 2550 color laser background print

I had one recently, same issue with Cyan toner. Took it back tot he
shop, removed all the covers and gave it a thorough cleaning. I removed
all the toners from the carousel and turned it to where I could see the
HV contacts to the toners carts. It's hard to describe, but one of the
two contacts had a rougher spot on it. Looking at the toners, I could
see a score across the contact. I carefully burnished the contact flat
and re-asembled. Ran about 100 test pages before returning to the
customer, who has had it for at least two weeks now, with no
complaints.

--- In printerrepair%40yahoogroups.com">printerrepairyahoogroups.com, "jkeltech" <jkelly...> wrote:
&gt;
> Hello I have a client who has a HP 2550 and it seems he is getting
> varied results with his color print jobs. It seems he is getting a
> background of cyan in his prints about 6 out of every 10 pages he
> prints. Tried changing all consumables. Anyone have any ideas?
&gt;

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