Method for forming an image on a recording medium in a printer, the printer comprising a print head assembly for applying a curable ink on a recording medium to form the image, a transport path arranged for moving the recording medium in a transport direction (x) along the print head assembly and a curing system; said curing system comprising a curing source; the method comprising the steps of: a) moving the recording medium through the transport path in a step-wise movement in the transport direction (x) along the print head assembly and the curing system; b) applying the curable ink on the recording medium by the print head assembly to form the image; and c) curing the curable ink, which is applied on the recording medium, by the curing source in a curing zone on the recording medium, the curing source and the curing zone extending over the transport path in a transverse direction (y), the transverse direction (y) being substantially perpendicular to the transport direction (x); wherein the curing step c) comprises moving the curing zone along the transport direction (x) through the transport path in response to the step-wise movement of the recording medium according to step a); characterized in that the movement of the curing zone comprises • a first step of moving the curing zone at a first curing zone velocity V c1 along the transport path towards the print head assembly, while the recording medium is held stationary with respect to the transport path; and • a second step of moving the curing zone at a second zone velocity V c2 along the transport path in the transport direction (x) away from the print head assembly, while the recording medium is moved at a recording medium velocity V R in the transport direction (x) away from the print head assembly, the relative velocity ΔV 2 between the curing zone and the recording medium (ΔV 2 = V R - V c2) during the second step is substantially equal to a relative velocity ΔV 1 between the curing zone and the recording medium during the first step, as ΔV 1 = V c1, which is the first curing zone velocity V c1 during the first step. a) moving the recording medium through the transport path in a step-wise movement in the transport direction (x) along the print head assembly and the curing system; b) applying the curable ink on the recording medium by the print head assembly to form the image; and c) curing the curable ink, which is applied on the recording medium, by the curing source in a curing zone on the recording medium, the curing source and the curing zone extending over the transport path in a transverse direction (y), the transverse direction (y) being substantially perpendicular to the transport direction (x); wherein the curing step c) comprises moving the curing zone along the transport direction (x) through the transport path in response to the step-wise movement of the recording medium according to step a); characterized in that the movement of the curing zone comprises • a first step of moving the curing zone at a first curing zone velocity V c1 along the transport path towards the print head assembly, while the recording medium is held stationary with respect to the transport path; and • a second step of moving the curing zone at a second zone velocity V c2 along the transport path in the transport direction (x) away from the print head assembly, while the recording medium is moved at a recording medium velocity V R in the transport direction (x) away from the print head assembly, the relative velocity ΔV 2 between the curing zone and the recording medium (ΔV 2 = V R - V c2) during the second step is substantially equal to a relative velocity ΔV 1 between the curing zone and the recording medium during the first step, as ΔV 1 = V c1, which is the first curing zone velocity V c1 during the first step. • a first step of moving the curing zone at a first curing zone velocity V c1 along the transport path towards the print head assembly, while the recording medium is held stationary with respect to the transport path; and • a second step of moving the curing zone at a second zone velocity V c2 along the transport path in the transport direction (x) away from the print head assembly, while the recording medium is moved at a recording medium velocity V R in the transport direction (x) away from the print head assembly, the relative velocity ΔV 2 between the curing zone and the recording medium (ΔV 2 = V R - V c2) during the second step is substantially equal to a relative velocity ΔV 1 between the curing zone and the recording medium during the first step, as ΔV 1 = V c1, which is the first curing zone velocity V c1 during the first step.