Printers & Office Tech

Printer errors, scanning problems and office tech fixes explained in plain language, step by step.

25 guides Part of Technology

Error 0xc19a0023 on an HP OfficeJet 6950 stops everything: no printing, no scanning queue, just a message saying there is a problem…

November 5, 2026

Your HP DeskJet 2720 prints perfectly all evening. Then your Windows 11 PC goes to sleep, wakes up the next morning, and…

November 5, 2026

You have just fitted a fresh set of cartridges in your HP OfficeJet Pro 9015, closed the door, and instead of printing…

November 5, 2026

“Error 79. Service error. Turn off, then on.” It is one of the most common messages on HP LaserJet printers, and also…

November 5, 2026

Few printer errors are as annoying as 49.4C02. Your HP LaserJet Pro M404 stops mid-job, the screen shows the code, and the…

November 4, 2026