Regarding the recent errors that were reported from SATO printer users using Windows printer drivers and have been caused by the March 9 Windows security update, Microsoft has released updates to fix the issue.
Known issues that have been resolved:
1. Windows blue screen (BSOD) appears with error code: APC_INDEX_MISMATCH when attempting to print to certain printers.
2. Unexpected results occur when printing from certain apps or to certain printers, showing the blue screen with the APC_INDEX_MISMATCH code. Issues include missing or solid color graphics, misalignment/formatting issues or printing of blank pages/labels.
Models affected: All SATO printer models
For Windows10 Version 20H2 and 2004:
For Windows10 Version 1909:
This is the troubleshooting procedure we recommend based on the information we have at this time. Thank you for your understanding.