Solution:

First, perform "(a) Adjust the value of [Paper Transfer Output]", and then, according to the result, perform "(b) Check the density of colors other than black" or "(c) Check the density of black".

(a) Adjust the value of [Paper Transfer Output]

1In [Advanced Settings] for custom paper, select 1214: [Paper Transfer Output], and then adjust the cursors in [Side 1] and [Side 2] in [FC] to [plus] in steps of 2 from the present value.

2Print an image. Has the problem been resolved?

Yes

Proceed to "(c) Check the density of black".

No

Proceed to "(b) Check the density of colors other than black".

(b) Check the density of colors other than black

1Is the density of a color other than black too faint?

Yes

Go to the next step.

No

Repeat procedure from "(a) Adjust the value of [Paper Transfer Output]".

2In [Advanced Settings] for custom paper, select 1214: [Paper Transfer Output], and then adjust the cursors in [Side 1] and [Side 2] in [FC] to [minus] in steps of 1 from the present value.

3Select 1229: [Paper Transfer Pressure], and then decrease the value by 1 level.

4Print a document. Have the color dots been eliminated?

Yes

Proceed to "(c) Check the density of black".

No

If a value other than "Pressure 1" is specified for [Paper Transfer Pressure], repeat this procedure from Step 3.

If "Pressure 1" is specified for [Paper Transfer Pressure], proceed to "(c) Check the density of black".

(c) Check the density of black

1Is the density of black too low?

Yes

Go to the next step.

No

Finished!

2In [Advanced Settings] for custom paper, select 1201: [Max Image Density], and then adjust the cursor in [Black] to [plus] in steps of 1.

3Print a document. Is the density of black still too low?

Yes

Repeat Steps 2 and 3.

No

Finished!