DAYTON, Ohio — A home inkjet printer that had displayed the message “Printer Offline” for six consecutive hours came to life at 3:07 a.m. Tuesday, loudly printing a single page of unrelated formatting code seconds after its owner, 41-year-old Greg Halloran, abandoned the effort and went to bed.

Halloran said he had spent the evening restarting the printer, restarting his laptop, unplugging both, reinstalling a driver, and, at one point, speaking to the printer “in a tone I’m not proud of.” The document he needed, a two-page permission slip due at his daughter’s school, remained unprinted as of press time.

“I turned off the light, and I swear I heard a click,” said Halloran. “Then the whole house started going vrrrrrt-chunk, vrrrrrt-chunk. It was the loudest it has ever been. It has never once been that loud in daylight.”

The page, which Halloran retrieved in his bathrobe, contained 61 lines of text beginning with “%PDF-1.4” and ending in what appeared to be several hundred repetitions of the character “þ.” It did not include the permission slip, any portion of the permission slip, or anything that could be construed as an apology.

Dr. Marguerite Vanterpool, senior fellow in peripheral temperament at the Institute for Domestic Hardware Spite in Akron, said the behavior is well documented.

“A printer does not fail randomly. It fails attentively,” said Vanterpool. “It monitors its owner’s posture, sighing frequency, and proximity to the door. When all three indicate surrender, the printer experiences what we call a ‘vindication window,’ and it prints. The content is irrelevant. The point is the noise.”

Vanterpool added that printers will also reliably function the moment a technician arrives, a phenomenon she attributed to “professional courtesy.”

“It has never once been that loud in daylight.”

Halloran’s printer, a model he purchased in 2019 and has described as “fine, I guess,” had reportedly been working normally until 6:15 p.m., when Halloran first needed it for something with a deadline. A manufacturer representative, reached by phone, said the company had no record of the device being offline and suggested Halloran “check the cable,” then, after a pause, “and also your attitude.”

Halloran said he attempted a second print job at 3:12 a.m., hoping to take advantage of the apparent breakthrough. The printer responded by displaying a low-ink warning for a cartridge he replaced Sunday, then a paper jam, then, briefly, a message that read only “Ready.”

“I didn’t trust it,” said Halloran. “That’s the one that scared me.”

At press time, Halloran had filled out the permission slip by hand and was en route to the school, while the printer sat on his desk, back to “Offline,” fully charged and visibly at peace.