Updating Printer Drivers Riso

Riso publishes model-specific drivers and controller software for ComColor and duplicator families. The support path can be regional and may require a dealer or service partner for certain packages. Identify the controller, the installed options and the current firmware before changing the client software. In production, the driver is only one part of a chain that includes the controller, the RIP or job editor and the consumable profile.

Colour consistency and ink usage are central to Riso workflows. A driver update can change rendering defaults or colour handling, so test with the stock and profile the production team uses. For duplicators, master-making and ink settings may be controlled by the device rather than the driver. Do not assume that a new office driver will expose those controls. Keep the previous package and a known-good test job for rollback.

Use the controller-specific Riso driver and install it in the documented order. Remove the old queue before changing versions. Reapply finishing, colour and job settings, then run a representative production job rather than a simple test page.

1. 01

   Record the baseline and clear the old queue

   Note the exact model code, port, current driver version and any custom defaults. Remove the affected queue and, where relevant, its dedicated port. Restart before installing. This prevents Windows from silently reusing the stale driver.

2. 02

   Download the matching package from Riso

   Select the exact model, Windows version and architecture. Verify the digital signature and release notes. If you need scan, fax, finishing or accounting features, confirm that the package includes those components rather than assuming they are bundled.

3. 03

   Install deliberately, not by automatic discovery

   Run the signed installer and add the printer on the intended port. For a network device, use a fixed address or DHCP reservation. If a generic queue already exists, remove it before adding the new one so the driver choice is unambiguous.

4. 04

   Reapply options and test real output

   Reselect installed trays, finishers, colour profiles and authentication settings. Print from two applications, test duplex and colour, then reboot and print again. If scanning is part of the workflow, test it separately.

Riso macOS support varies by controller and model. Use the vendor package where available; otherwise, the production workflow may require a Windows RIP or controller station. Confirm the exact model and controller before installing.

1. 01

   Remove the existing queue before downloading

   Open System Settings → Printers & Scanners and remove the device. This clears stale driver references and prevents macOS from quietly reusing a generic PostScript queue. Note any presets or custom paper sizes first.

2. 02

   Choose AirPrint or the vendor package on purpose

   If basic printing is enough, readding the device as an AirPrint queue is the most maintainable path. If you need scanning, specialty media, colour profiles or finishing, install the current Riso package and select the vendor driver explicitly.

3. 03

   Verify scan support outside the print dialog

   Open Image Capture or the manufacturer’s scan utility and confirm the scanner is visible. A print queue can be healthy while scanning is absent. If the scanner is missing, fix discovery or the scan component before changing the print driver again.

4. 04

   Test, then record the working configuration

   Print a real document, a colour page and a duplex job where supported. Note the queue protocol, driver version and macOS release. macOS updates occasionally replace a vendor queue with a generic one, so the record is your baseline.

Linux support is limited and controller-dependent. A CUPS queue may print basic jobs on some models, but production features and colour controls may be unavailable. Validate with the vendor or dealer before relying on Linux in production.

Linux support is model-dependent. Where the manufacturer does not publish a current package, a driverless queue or a validated generic PCL/PostScript driver may be the only supported option. Treat unsupported features as unavailable rather than “almost working.”

The three patterns below account for a disproportionate share of Riso driver support cases. They are worth checking before you download another package.

This guide applies to the Riso families below. Model suffixes and regional variants matter, so use the label on the device or the configuration page before choosing a package.

The list is illustrative, not exhaustive. A driver page may cover additional models or exclude older regional variants. Always compare the exact model and release notes before installing.