Might be the HV board's on it's way out, has the machine given any SC402's?
4027 producing light copies
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It's 106 miles to Chicago. We've got a full tank of gas, half a pack of cigarettes, it's dark and we're wearing sunglasses.
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This is just a shot in the dark but...............have you checked to ensure that the transfer roller is making proper contact? have you tried adjusting transfer bias ? if there is a component failure it will normally throw a code, many of which may be a level 3 only detectable in sp service-error printout.Comment
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Get an ohmmeter and measure continuity from the transfer roller contacts on the rear of the door to the transfer roller.Don't take that toner with me!Comment
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