SOURCE: fatal error 231 on oki c5800 after changing toner,
From the service manual, doesn't look good.
A technicain will have to look at the printer.
RFID Reader I/F Error
An interface error was detected with the RFID reader device.
01 : communication error between the RFID reader and the engine PCB.
02 : the transceiver circuit error of the RFID reader.
03 : communication error between the RFID reader and the Tag chip.
04 : the RFID Tag detection error (more than 4 chips).
If rebooting the machine does not improve the symptom, you need to
check the device.
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