Cause: You installed the "Generic" driver, not the full feature driver.
Fix: Uninstall the printer. Reinstall using the specific SonyUPX898MD.inf file. Then, in Printing Preferences → Layout → Select "Multi-Picture" and choose your matrix.
A driver is a software layer that translates the generic commands from your operating system into specific instructions that the Sony UP-X898MD understands. Because this is a medical-grade printer, its driver is not the same as a standard office printer driver. The UP-X898MD driver handles specific medical imaging protocols, including: sony up-x898md driver
A legitimate driver package usually contains: Cause: You installed the "Generic" driver, not the
You cannot simply plug the UP-X898MD into a PC via USB and expect it to work immediately. Without the specific driver: Cause: Windows Update replaced your Sony driver with
Cause: Windows Update replaced your Sony driver with a generic Microsoft printer driver. Fix: Go to Device Manager → Print queues → Sony UP-X898MD → Update driver → Browse my computer → Let me pick → Select "Sony" from the manufacturer list → Choose "Sony UP-X898MD" (not "Generic").