To Michael52x:
Thanks for your reply.
I found the source of problems.
The fuser roll has several defects.
It has crack which has same shape as the hole in the picture and heavily-smeared ink on the left side.
I think the main roller of the fuser is the most critical part for good quality...
Hello!
I got a pre-owned tektronix 740 laser printer from eBay.
It had been used in FAA for 6+ years with 100000 printing job.
When the seller tested a basic menu (start page) printing, it was OK but when I printed many different pages at home, it showed several problems:
(1) Irregular...
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