2L6/2N6/2N5/2N4-6
1-4-271
(14) Poor grayscale reproducibility.
(15) Unevenly repeating horizontal streaks in the printed objects.Colored spots in the
printed objects.
Print example
Cause of trouble
1. Poor image adjustment.
Defective part
Check description
Corrective Action
1
Image adjustment
Check if color adjustment is
insufficient.
Execute maintenance modes U464 Calibration
and U410 Grayscale Adjustment. (see page 1-
3-99,1-3-172)
Print example
Cause of trouble
1. Installation at a high altitude.
2. Using the paper with high surface resistance.
Defective part
Check description
Corrective Action
1
Developer unit
The device is installed in an
altitude higher than 1500 m sea
level.
If the device is installed in an altitude higher
than 1500 m sea level, perform the following.
1. 30 ppm / 35 ppm devices
Press maintenance mode U140 and select
in order to change the setting.
(Default/ 1000m/ 2000m/ 3000m/ 4000m)
2. 45 ppm / 55 ppm devices
1) Press maintenance mode U140 and
the applicable colors.
2) Execute maintenance mode U140 and
order to lower the setting value.
(Initial setting CMY:15, K:12)
Summary of Contents for TASKalfa 3051ci
Page 5: ...2L6 2N6 2N5 2N4 1 4 4 Machine Option2 Figure 1 4 4 Paper jam location Matchine Option2 ...
Page 201: ...2L6 2N6 2N5 2N4 5 1 4 200 ...
Page 202: ...2L6 2N6 2N5 2N4 5 1 4 201 ...
Page 203: ...2L6 2N6 2N5 2N4 5 1 4 202 ...
Page 204: ...2L6 2N6 2N5 2N4 5 1 4 203 ...
Page 257: ...2L6 2N6 2N5 2N4 5 1 4 256 16 Grainy image See page1 4 272 ...