Re: A Question about developer and my observations
"H" toner is Katun. As long as you're not mixing the two types of toner you should be ok if you're starting with fresh developer, but don't use OEM toner and "H" toner with the same developer. IMO, until the OEM toner is guaranteed to be in stock stick with the "H".
Re: A Question about developer and my observations
Theatrically only good developer can transfer toner. Yes, developer is coated iron filings and it is gritty. Sounds like developer toner concentration is too high. Machine should go 1.1 million between service calls.
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