The short answer for a Jardine's parrot's cage
A Jardine's parrot's cage needs its liner changed and its bowls washed every day, a full scrub once a week, and a detail pass about once a month. The Jardine's sits in the middle of the parrot size range, but its cage does not stay middle-of-the-road clean. This is a bird that works through wooden toys with real commitment, tosses the less favoured parts of its chop across the bars, and produces droppings substantial enough that two days on one liner is already a day too many for hygiene and for reading what those droppings are telling you.
Daily care: liners, bowls and the chewing fallout
Change the liner daily and glance at the droppings as you do, since a Jardine's eats a varied fresh diet and changes in droppings often show there first. Wash the food and water bowls with hot soapy water and rinse well; soft foods smeared and left in a warm room sour between breakfast and evening, and this species dabbles in its water enough to cloud it daily. Pick the worst of the wood splinters and discarded food off the grate, and sweep under the cage where a Jardine's throws with surprising range. Wipe sticky residue off the bars by the feeding cups while it is fresh, because the same job takes ten times longer once it has dried on.
The weekly scrub and the monthly detail pass
Once a week, move your Jardine's to its stand, remove tray and grate, and scrub them with the cage bars, perches and cup holders using hot water and washing-up liquid or a bird-safe disinfectant, rinsing thoroughly and drying everything before the bird returns. Rotate in fresh chewing wood at this point and retire toys with worn connectors. Monthly, work through what the weekly clean passes by: the seams of the tray, caster wheels, the seed skirt, and wooden perches that chewing has roughened into surfaces no brush can sanitise; those perches get replaced, not scrubbed harder. Check that no dried food is cemented in the corners behind the cups, a favourite hidden store for this tidy-looking but thorough mess-maker.
Where the cage stands changes how it cleans
A Jardine's cage parked beside a kitchen collects cooking grease on its bars no weekly scrub was designed for, and fumes from overheated non-stick cookware are dangerous to any parrot, so site the cage in living space away from the stove and clean the bars there with plain methods only. Store every cleaning product out of the bird's room, wash your hands between using household cleaners elsewhere and handling the bird, and keep scented candles and plug-in fragrances away from the cage wall; the cleanest cage in the world does not compensate for dirty air around it.
Doing it safely around an observant parrot
A Jardine's watches cleaning closely and will test a resting scrub brush with a powerful beak, so the bird belongs on its stand, out of the cage and out of range of sprays and splashes, for the whole scrub. Keep cleaners plain and unscented, never use aerosols near the cage, and rinse until bars feel clean rather than slick, since this bird mouths everything. If fresh liners show droppings changing across several days, or the bird goes quiet and stops chewing and eating with its usual enthusiasm, contact an avian veterinarian with that observation rather than waiting for the next clean. KinsLe Care Teams can carry the daily liner and bowl swap, the weekly scrub and the monthly perch check as assigned duties with timestamps, so your Jardine's parrot's cage stays properly kept by the whole household.