Download Okidata Microline ML590/ML591 Service Manual
Continue reading to view the embedded PDF as well as a link to download the PDF.
https://techish.net/wp-content/uploads//2012/02/OkiData-Microline-Manual-590-591_service.pdf
Download: OkiData Microline Manual 590-591_service
Hardware
I want user manual of OKI 591
I have the ML590/ML591 linked in this article directly to the PDF.