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We report on the deepest X-ray observation of the narrow-line Seyfert 1galaxy Mrk 335 in the low-flux state obtained with Suzaku. The data arecompared to a 2006 high-flux Suzaku observation when the source was ~10-timesbrighter. Describing the two flux levels self-consistently with partialcovering models would require extreme circumstances, as the source would besubject to negligible absorption during the bright state and ninety-five percent covering with near Compton-thick material when dim. Blurred reflectionfrom an accretion disc around a nearly maximum spinning black hole (a>0.91,with preference for a spin parameter as high as ~ 0.995) appears more likelyand is consistent with the long-term and rapid variability. Measurements of theemissivity profile and spectral modelling indicate the high-flux Suzakuobservation of Mrk 335 is consistent with continuum-dominated, jet-likeemission (i.e. beamed away from the disc). It can be argued that the ejectamust be confined to within ~25 rg if it does not escape the system. During thelow-flux state the corona becomes compact and only extends to about 5 rg fromthe black hole, and the spectrum becomes reflection-dominated. Thelow-frequency lags measured at both epochs are comparable indicating that theaccretion mechanism is not changing between the two flux levels. Varioustechniques to study the spectral variability (e.g. principal componentanalysis, fractional variability, difference spectra, and hardness ratioanalysis) indicate that the low-state variability is dominated by changes inthe power law flux and photon index, but that changes in the ionisation stateof the reflector are also required. Most notably, the ionisation parameterbecomes inversely correlated with the reflected flux after a long-durationflare-like event during the observation.

Suzaku observations of Mrk 335: Confronting partial covering and relativistic reflection