If you’re a regular blog reader, go ahead and skip this post — it’s totally boring unless you’re trying to network a riso printer! :)

Figuring out how to set up my RISO duplicator (I have an MF9450 model) to print from my Mac was a little confusing in parts, so here are my notes — for my future self, and for any of you googling for help.

Downloading and Installing the RISO drivers

You download the Drivers from riso.com/download. For mine, I picked Series Category of Duplicator, and then MF Series for the Driver Type, and then it showed me my computer’s operating system (macOS 10.15) and had a button to click to download the files. (Or you could select the OS by hand if you wanted a different one.)

The files were actually just all of the available Duplicator model drivers for OS Catalina 10.15 — not just the MF series, but all the rest of the models. It also has a PDF of the Printer Driver Manual available, that is useful. (PrinterDriver_UsersGuide_MAC_ENG.pdf)

I went into the MF 9 Series folder of all the downloaded drivers and double clicked on MF 9x5xU Series Installer.app to run it. When it asks for a serial number, you need the serial number of a driver, NOT the serial number of your RISO printer itself. That costs $61 — I ended up purchasing a physical CD (of outdated drivers that wouldn’t work on my computer…. and I also don’t have any way to read a CD), and the case of the CD had the serial number, which I entered to make this work. From what I’ve read, some of the older models do not need a serial number.

Installing the Printer on the computer, I found these two tutorials most helpful:

  1. How to install the Riso
  2. Stencil Wiki on printing directly from Mac OS

Those help you figure out stuff that the manual doesn’t show — like that for Protocol you need to pick “Line Printer Daemon — LPD” and a couple other selections, like how you pick the printer driver you just installed to use, that make it work.

Some things that might not be obvious from the Printer Driver Manual (and these are for my model — yours might be different, esp. if it doesn’t have built in networking):

  • The RISO needs to be physically connected to the computer or the internet router/network. I did this via a LAN Cat-5 cable. Our network is a small router + an Apple AirPort, and I plugged in the cable into the ethernet port on the back of the AirPort. That allowed the RISO printer to be seen by any computer on the wifi network.
  • Needed to see the RISO printer on the network to get the IP address for setting up the printer driver the first time. After adding the printer initially, my computer can see the printer in the list of options even if it is turned off.

One last note on the driver setup: I’ll be very careful before updating to another major version of Mac OS past Catalina until making sure riso drivers are updated and available. RISO took almost a year to make the drivers for Catalina available - the OS came out in early October 2019, and the updated drivers took until the beginning of August 2020 to arrive. In the meantime, there were no drivers that would work for printing from that OS.

Printing Settings

riso mac printer driver screenshot

  • All the main settings needed for printing are in the Color tab of printing.
  • If you want to make masters for both drums, you can send a two-page file to the printer, and the first page will be the master for the first drum, the second page for the second drum. You pick Master Making > Both Colors and Use color separated data. That’s described in more detail on page 24-25 of the Printer Driver Manual.