Olympus OM-4Ti repair & common faults
Excellent coverageThe OM-4Ti is Olympus's titanium-bodied flagship from the late 1980s, distinguished from the rest of the OM line by multi-spot metering with highlight and shadow memory rather than a simple averaging meter. Exposure and shutter timing are both fully electronic, so the camera's health depends on clean battery contacts and a sound meter circuit as much as on the mechanics. It carries the same age-related wear as any camera from this era, ageing foam around the mirror and film door among it.
Aperture-priority auto exposure with manual override and TTL multi-spot metering · Seiko vertical-travel electronic shutter, 1/2000s down to long timed exposures plus bulb · 2 × 1.5V SR44/LR44 · OM bayonet mount
Common Olympus OM-4Ti faults
Olympus OM-4Ti multi-spot metering not working
The OM-4Ti's signature feature is spot metering with highlight and shadow memory, and it is usually the first thing to wear. Repeated or unregistered presses on the highlight or shadow buttons point to worn switch contacts under the top plate rather than the metering cell, which tends to fail outright rather than intermittently. Fresh batteries are worth ruling out first, since a marginal supply can mimic the same symptom.
Olympus OM-4Ti meter won't switch on
No viewfinder LEDs at all, on half or full press, usually means the meter circuit isn't getting power rather than a genuine electronics failure. Battery contact corrosion is the most common cause on a camera that's sat unused for years, since the whole exposure system, meter and shutter alike, runs off the same two cells. Worth trying a fresh, known-good pair before assuming a deeper fault.
Olympus OM-4Ti drains batteries fast
Cells that were fine a week ago turn up flat, or the meter display stays lit after you've let go of the shutter button. The auto-off relies on the release switch cutting power cleanly, and on a camera this age that switch can wear or foul so the circuit never fully opens. Watch whether the readout lingers after release, that's the usual tell rather than poor battery quality.
Olympus OM-4Ti shutter won't fire
Because the shutter is timed electronically from end to end, a failing power supply can take out every speed at once, rather than the slow-speed-first pattern typical of mechanical shutters. If the meter LEDs are also dead, the release is being starved of power rather than the shutter itself being faulty. Confirm the batteries are fresh and correctly seated before assuming a deeper fault, since that's the most common cause.
Olympus OM-4Ti mirror slow or noisy, viewfinder streaked
A sluggish mirror return, a double-thump instead of a clean slap, or a longer than usual viewfinder blackout usually comes down to the foam bumpers that cushion the mirror perishing with age into a sticky residue. Light seals around the film door run on the same clock, so fogging or streaks on recent film point the same way. This is ordinary age-related wear on a camera from this era.
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