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Appendix
Socket communication
Encryption protocol
Digital certificate
* The PEM format is supported only when registering and updating the secret key to update the certificate
using the WebContentsUpdate function.
Notes on Using the Wi-Fi Model
Keep the printer away from the devices, such as kitchen microwaves, that may cause radio wave interference.
Use channels that are away from the frequency bands that may cause radio wave interference.
Place shields between the printer and the devices that may cause radio wave interference.
Select either 2.4 GHz or 5 GHz, whichever is free from radio wave interference.
In auto channel setting for the access point, do not select a channel in which the printer may cause radio
wave interference.
Port type: TCP communication port for direct printing
Port number: 9100
Port communication direction: bidirectional
Max. simultaneous connections: 6
Number of connections for which printing is
available:
1 (Other users need to wait until printing is
completed.)
Time out: 90 sec. (changeable)
Protocol Usage
TLS For encrypted HTTPS communication
WEP For encrypted wireless communication
WPA2-Personal For encrypted wireless communication
WPA2-Enterprise EAP-TLS For encrypted wireless communication
PEAP-TLS
PEAP-MSCHAPv2
Certificate data Supported file format
Certificate data wit a secret key PKCS#12, PEM*
Certificate data without a secret key PEM, DER
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