Suspicious file prints on network printer - source unknown

Attached file has printed on my LAN  HP2055dn LaserJet on three occasions recently. There is another Printer, HP OfficeJet Pro 8210 on same LAN and does not print this file.

HP OfficeJet Pro 8210 is wireless and  HP2055dn LaserJet is CAT5 connected to Apple AirPort Extreme network.

The attached file [ID=1311320] is HP2055dn-1.jpg and is 447Kb.

Any ideas about the source of this file and should I be concerned?
HP2055dn-1.jpg
MARSPATHAsked:
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David GipeCommented:
Almost looks like:
1. Someone is trying to print the contents of a cookie file
2. There is a Reddit post indicating someone may be trying to hack into your printer (see https://www.reddit.com/r/techsupport/comments/82tlc9/printer_prints_out_gibberish_randomly_cookie/ )
3. Some other thoughts from an Apple post regarding possible printer virus(es); https://discussions.apple.com/thread/7954709?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa
4. Possible probing of your network showing up on your printer; see https://superuser.com/questions/893972/probing-a-port-for-rdp

I would possibly lean toward someone trying to print the contents of a cookie file but more than likely some type of probing of network devices ... based on some quick research, I would probably look into a possible driver issue as the third option ... anyone else?
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SoHandyCommented:
usually means theres a problem with the printer driver.

download an updated driver if there is one and reinstall
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masnrockCommented:
How many machines are on this network? And have you been able to at least see what devices are connected around the timeframe?
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Destin MincyCommented:
definitely sounds like you need to update the driver software and possibly the firmware of the printer itself.
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MARSPATHAuthor Commented:
Good Help, thanks
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