E [2022-02-09T16:03:10.522Z] [Client 1] Unable to encrypt connection: A TLS fatal alert has been received.

E [2022-02-09T16:18:31.175Z] [Printer Ricoh-Aficio-SP-C232DN] Unable to open device for printer Ricoh-Aficio-SP-C232DN

E [2022-02-09T16:21:39.467Z] [Client 135] Unable to encrypt connection: Error in the push function.

E [2022-02-09T17:55:05.978Z] [Job 1] Backend: Output to device: Unable to send 65536 bytes to printer.

E [2022-02-09T17:55:06.127Z] [Job 1] filterExternalCUPS (socket): Backend (PID 5458) crashed on signal 15

E [2022-02-09T17:55:09.437Z] [Job 1] filterChain: Backend (PID 5445) stopped with status 1

E [2022-02-17T16:23:57.509Z] [Device] Side channel error status: Timeout

E [2022-02-17T16:24:02.681Z] [Device] Side channel error status: Timeout

E [2022-02-17T16:24:07.685Z] [Device] Side channel error status: Timeout

E [2022-02-17T17:29:58.573Z] filterExternalCUPS (socket): Backend (PID 9776) crashed on signal 15

E [2022-02-19T13:44:33.337Z] [Job 2] Backend: Output to device: Unable to send 65536 bytes to printer.

E [2022-02-19T13:44:33.338Z] [Job 2] filterExternalCUPS (socket): Backend (PID 1398) crashed on signal 15

E [2022-02-19T13:44:33.353Z] [Job 2] filterChain: Backend (PID 1380) stopped with status 1

E [2022-02-19T14:09:59.836Z] [Job 3] filterExternalCUPS (socket): Backend (PID 1950) crashed on signal 15

E [2022-02-19T14:10:00.404Z] [Job 3] Backend: Output to device: Unable to send 65536 bytes to printer.

E [2022-02-19T14:10:11.385Z] [Job 3] filterChain: Backend (PID 1935) stopped with status 1

E [2022-03-28T15:50:15.753Z] [Printer Ricoh-Aficio-SP-C232DN] Unable to open device for printer Ricoh-Aficio-SP-C232DN

E [2022-03-28T17:00:21.867Z] [Job 4] filterExternalCUPS (socket): Backend (PID 3343) crashed on signal 15

E [2022-03-28T17:00:21.874Z] [Job 4] Backend: Output to device: Unable to send 65536 bytes to printer.

E [2022-03-28T17:00:21.878Z] [Job 4] filterChain: Backend (PID 3331) stopped with status 1

E [2022-03-31T14:45:16.254Z] [Device] Side channel error status: Timeout

E [2022-03-31T14:45:21.266Z] [Device] Side channel error status: Timeout

E [2022-03-31T14:45:26.271Z] [Device] Side channel error status: Timeout

E [2022-03-31T14:54:07.779Z] [Printer Ricoh-Aficio-SP-C232DN] Unable to open device for printer Ricoh-Aficio-SP-C232DN