What we have learned fixing printers in Delhi, written down. Diagnosis, running costs and the things worth knowing before you spend money on a machine.
Every printer keeps a lifetime page count. How to find it on HP, Canon, Brother, Epson, Kyocera and Ricoh machines, and what the number tells you.
Read the guideThe market sells every part; getting a machine looked at is a different service. What to check before you carry a printer down fourteen floors.
Read the guideWhat decides an office printer's lifespan, the signs a machine is genuinely at the end, and when repair stops making sense.
Read the guideWhat the chip on a toner cartridge stores, why printers refuse cartridges over it, and what chip resets and replacements actually change.
Read the guideHow to store toner cartridges so they print properly when needed — orientation, heat, humidity and light, with Delhi's climate in mind.
Read the guideWhy printers overheat — blocked vents, dust, duty cycle, Delhi summers — the warning signs worth acting on, and how to prevent shutdowns.
Read the guideWhy a printer suddenly prints pages of random characters, and the driver, cable and data fixes that stop it, in the order worth trying.
Read the guideWhy spots appear on laser prints, how the spacing between repeating marks names the faulty roller, and which spots you can clean away yourself.
Read the guideA network printer not working is usually one of six things. A sequence that finds which, starting with the checks that cost nothing.
Read the guideSamsung's U1 fuser and U2 LSU code families, Jam 0/1/2 messages, cartridge errors and what the blinking status LED means, with fixes.
Read the guideWhat the WPS PIN a printer asks for actually is, where to find it, why the connection often fails, and the better ways to join Wi-Fi.
Read the guideThe factors that decide a printer repair bill - parts versus labour, brand parts availability, machine age, and the kind of fault involved.
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