Fix OKI B412dn Error 801: RAM Memory Faults
Error 801 on the OKI B412dn points to an issue with the printer's internal RAM processing. This usually happens when the machine attempts to handle extremely large or complex print jobs that exceed its temporary hardware capacity. Occasionally, it can result from an addressing fault within the memory module.
Common causes
- 1Attempting to print very large, high-resolution graphic files.
- 2Driver/Spooler conflict within the print queue.
- 3Physical failure in the internal memory module.
Solutions
Deep Power Cycle
- Turn off the printer.
- Unplug the power cable for 10 minutes.
- Hold the 'Cancel' button while turning the device back on.
Firmware Update
- Check current firmware via the control panel.
- Download the latest version from the official OKI support site.
- Install via network to fix memory management bugs.
Steps to follow
- 1
Clear Queue
Cancel all pending print jobs from the computer or printer panel.
- 2
Power Off
Leave the printer disconnected to clear residual voltage.
- 3
Reboot
Turn on and verify if the system initializes without error.
Frequently asked questions
The OKI B412dn memory is expandable, but first try optimizing the resolution of the files sent for printing.
Yes, from the Admin menu you can select 'Reset' to clear network settings and temporary memory.
Yes. Ensure you have the latest PCL5 or PCL6 driver installed for your specific OS.