How do I stop my inkjet printer drying out when I hardly print?

An inkjet used twice a year will fail twice a year. What actually dries, the routine that prevents it, and the honest answer about whether an inkjet is the right machine for you at all.

Difficulty: beginner
Time: 15 min
Read: 4 min

Short answer

Print something in colour at least once a fortnight — a single page with a band of each colour is enough. That keeps ink moving through the nozzles and prevents the drying that causes blocked heads. Leave the printer plugged in and on standby rather than switching it off at the wall, so it can run its own maintenance cycles.

Inkjets work by firing microscopic drops of liquid ink through nozzles narrower than a human hair. When ink sits still in those nozzles it dries and blocks them, and once a nozzle is fully blocked it can be very difficult to recover. This is the fundamental weakness of the technology and it is why the machine that seemed cheap turns out not to be, for a household that prints a boarding pass twice a year.

Step by step

Set a recurring reminder to print.Once a fortnight, print one page using every colour. A colour test page or a photograph works; a page of black text does not, because it exercises only one cartridge.
Leave the printer on standby.Modern printers draw very little on standby and use that time to run small maintenance cycles that keep the nozzles wet. Switching it off at the wall stops those, and every power-up then triggers a full cleaning cycle that uses far more ink than standby ever costs in electricity.
Keep it out of direct sun and away from heat.A printer on a sunny windowsill or above a radiator dries out far faster. A cool, shaded spot genuinely extends cartridge life.
Use the head cleaning function sparingly.One cleaning cycle, then a nozzle check. If it improved, run one more. Running five cycles in a row wastes a great deal of ink and rarely achieves what two did not.
Try a soak for a stubborn head.On printers where the head is part of the cartridge, standing the cartridge nozzle-down on a folded piece of kitchen paper dampened with warm water for a few hours often revives it. This does not apply to printers with a permanent head, where the head must not be removed.
Store spare cartridges sealed and upright.In their packaging, at room temperature, the right way up. An opened cartridge sitting in a drawer for a year will usually be unusable.
Reconsider the machine if this keeps happening.If you print occasional documents rather than photographs, a mono laser is a far better match — toner is a dry powder, it does not dry out, and a cartridge lasts for thousands of pages over many years.

If it doesn't work

One colour missing entirely after months unused

Cause: A fully blocked nozzle row — Fix: Run one cleaning cycle and a nozzle check, then a second if it improved. If two cycles achieve nothing, replace that cartridge — further cycles waste ink for very little chance of recovery.

Prints fine then fades within a page

Cause: Partially blocked nozzles clearing then re-blocking — Fix: Print several test pages in succession rather than cleaning repeatedly. Continuous use often clears what cleaning cycles do not.

Horizontal white lines across a print

Cause: Individual blocked nozzles — Fix: Run a nozzle check to see which are missing, then one cleaning cycle. Persistent gaps in the same place suggest permanent nozzle failure.

Ink runs out having barely printed

Cause: Cleaning cycles triggered by frequent power cycling — Fix: Leave the printer on standby. This alone often halves consumption in an infrequently used printer.

Alternatives

Mono laser printer: The right answer for a household printing occasional text documents. Toner does not dry, cartridges last for years, and cost per page is very low. No colour and no photo quality.
Ink tank printer: Refillable bottles rather than cartridges. Still an inkjet, so it still needs regular use, but the cost of the ink wasted in cleaning cycles is far lower.
Print at a shop or library: For a genuinely occasional page, this beats owning any printer. No machine, no consumables, nothing to dry out.

Keeping on top of it

Print a colour page to keep the nozzles wet (fortnightly)
Run a nozzle check and clean only if it shows gaps (when quality drops)
Wipe dust from the paper path and rollers with a dry cloth (every few months)
Check for a firmware update (twice a year)

Questions people ask

Is it better to leave the printer on or turn it off?

Leave it on standby. The maintenance cycles that run in the background use less ink over time than the full cleaning cycle triggered by each power-up, and standby power consumption is small.

Can a completely blocked head be recovered?

Sometimes, with a soak, if the head is part of the cartridge. If the head is built into the printer and fully blocked, professional cleaning is rarely economic against the price of a new machine.

Do printhead cleaning kits work?

The fluid-based kits can help with a partially blocked permanent head, and they are cheaper than a new printer, so they are worth one attempt. They will not rescue a head that has been dry for a year.