Try this. These are for a K-1, not a K-1ll, so some of the MENU pages might be slightly off:
- Turn the camera Off
- Move the AF Lever on the left side of the snout to AF if on MF
- Remove the lens and put the body cap on the body
- Turn the camera on
- In MENU | C | 4 | scroll down to
- Reset Custom Functions below #26.
- Press Right Arrow | Up Arrow | OK to reset all functions to the Default settings
- Put Camera in AUTO (Green) Mode using the MODE dial on the left shoulder of the camera
- Move the Function Selector Dial on the right shoulder of the camera (right next to the prism) so the white dot is aligned with the white stripe on the prism
- Turn the camera off
- Mount one of your problem lenses that is set to A on the aperture ring. Be sure to remove the lens cap
- Turn the camera on
- On the LCD you should see the aperture value, the shutter speed and the ISO the camera selected, the EV Comp bar, Meter Mode, AF Mode and 4-Way Controller functions. The AF Points Grid should have AUTO above it.
- You should be able to Autofocus using half-press of the Shutter Button.