What you’re seeing
- A short document comes out as dozens of pages filled with random letters, symbols or lines like '@PJL' and '%!PS-Adobe'.
- Each garbled page starts with one or two lines of readable text, then turns into nonsense.
- It happens from one PC or one program while other computers print to the same printer normally.
- The job keeps feeding paper until someone cancels it or pulls the tray, and the queue backs up behind it.
Common causes
Every environment is different, but these are the causes our engineers find most often:
- The PC is using the wrong driver or printer language, so it sends PostScript to a printer expecting PCL, or the reverse.
- A generic or mismatched driver was picked automatically by Windows after an update or when the printer was re-added.
- The print job was corrupted in the spooler, often after a crash or an interrupted print.
- A raw-port or network-port setting sends the data in a format the printer can't interpret.
- A damaged font or a complex PDF produces data the printer's firmware fails to process.
Why it matters
A gibberish job can burn through a full ream of paper and a noticeable chunk of toner before anyone notices, and while it runs nobody else in the office can print. Contracts, invoices and shipping labels sit stuck in the queue. When it keeps recurring, staff start walking files to another printer or a single PC, which wastes time every day and hides the real cause. In shared offices, the printer often gets blamed and replaced when the actual fault sits in software on one computer.
How AskTechGurus fixes it
Skip the trial and error. A certified engineer works on your actual system, finds the root cause, and fixes it properly.
Tell us what’s happening
Submit a ticket in about two minutes. Paste the error, describe what changed, and pick your tier. No charge to submit.
A certified engineer diagnoses it
A vetted, US-based systems engineer claims your ticket, usually within minutes during business hours, and investigates over a secure remote session you can watch and end at any time.
Fixed and verified with you
The engineer resolves the root cause and confirms with you that it’s working. You don’t just get a workaround, and you get a plain-English summary of what was wrong.
Pay only when it’s resolved
Fixed price from $99, invoiced only after you approve the fix. If it isn’t resolved, you don’t pay.
Frequently asked questions
Is the printer broken?
Rarely. Garbled output almost always means the computer is speaking the wrong language to the printer, so the hardware itself is usually fine.
Why does it only happen from one computer?
Each PC has its own driver and settings for the printer. If one machine ended up with a mismatched driver, only its jobs come out scrambled.
Can you sort this out remotely?
Yes. A certified US engineer connects through a secure remote session, finds which machine and driver is responsible and corrects it, often in a single session. Pricing starts at $99 and you pay only when it's resolved.