Troubleshooting HP2600N color laser printer.

[ChrisGreaves]

"Tonight, either I hit one of the buttons by mistake, or on it's on it is speaking to me in what looks like russian or polish." describes me to a T.
Most web pages offering help forget that English-language instructions are little help if your display is in a foreign langauge.
This HP page saved my bacon, and I assume the same site has similarly helpful advice for other HP2600N problems.