FRITZ!Box 6840 LTE – Service - Knowledge Base
FRITZ!Box reports "Non-supported printer has been attached"
A USB printer cannot be used with the FRITZ!Box. The message "Non-supported printer has been attached" is displayed in the event log of the FRITZ!Box.
1 The FRITZ!Box does not support the printer
In order to use a printer as a network printer, it must be able to receive data in RAW format (unidirectional RAW over TCP). USB printers that require encapsulated or bidirectional data transmission cannot be used as network printers. This is the case with some GDI printers ("Windows printers"), LIDIL printers ("Lightweight Imaging Device Interface Language") as well as DOT4 printers (IEEE 1284 standard).
The FRITZ!Box USB remote connection software enables you to use USB printers with the FRITZ!Box, even if they cannot be used as network printers with the FRITZ!Box:
- Use the FRITZ!Box USB remote connection to connect your printer to your computer.