Olivetti d-Color MF4003 User Manual

d-Color MF4003/MF3303
P THEORY OF OPERATION > 1. d-Color MF4003/MF3303
P-10
[1]
[2]
[1] IDC sensor (IDCS) [2] Transfer belt
(b)Correction of color shift in the main scan direction
• If the image of each color (Y, M, C) is misaligned with respect to the image of black (K) in the main scan direction, changing the write
start timing in the main scan direction can correct the color shift. Color shift correction needs to be performed separately for the
respective colors (Y, M, C).
• Color shift correction control is activated when the image stabilization sequence is started.
* When the image of magenta is misaligned with respect to the image of black (K)
[1]
[2]
[3]
[4] [5]
[6]
[7] [8]
[1] Rotational direction of the transfer belt [2] Transfer belt
[3] Color shift [4] Black (K)
[5] Magenta (M) [6] No color shift
[7] Before correction [8] After correction
(c)Correction of color shift in the sub scan direction
• If the image of each color (Y, M, C) is misaligned with respect to the image of black (K) in the sub scan direction, changing the write
start timing in the sub scan direction can correct the color shift. Color shift correction needs to be performed separately for the
respective colors (Y, M, C).
• Color shift correction control is activated when the image stabilization sequence is started.
* When the image of magenta is misaligned with respect to the image of black (K) in the sub scan direction
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[1] Rotational direction of the transfer belt [2] Transfer belt
[3] Black (K) [4] Color shift
[5] Magenta (M) [6] No color shift
[7] Before correction [8] After correction
Service Manual
Y119930-3

Olivetti d-Color MF4003 Specifications

General

Brand	Olivetti
Model	d-Color MF4003
Category	Copier
Language	English