I searched our Support Page and this is the closest article I can find related to pinging your 3330 device.
System Software Version: 61.003.00.000
TTL constantly changes from 64 to 128 and back at ping. Sometimes packages are missing:
ping of a neighboring computer passes without problems, without interruptions:
I think this is not normal. Is it possible to fix this?
P.S. This problem affects all existing printers Xerox "Phaser 3330"