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User GuidePro C7500/C7500H

Wavy Uneven Glossiness (on Thin Coated Paper)

When duplex printing is performed on thin coated paper, wavy uneven glossiness occurs on side 1.

illustration of Uneven Gloss: Wavy

Cause:

Wax components have seeped out from the toner remaining on the fusing belt and adhered to the surface of the fusing belt. Uneven glossiness occurs depending on the areas where wax components adhere and those where they do not.

Occurrence conditions:

  • When printing on thin coated paper with a thickness of Paper Weight 2 to 4

  • When printing solid-fill images with high coverage and high toner adhesion

Solution:

1On the printer driver dialog box of Fiery Command WorkStation, set the fusibility throughput setting to Fuser Setting HQ mode.

Note

  • When using paper with a thickness of Paper Weight 6 to 9, throughput may be reduced.

Print 10 or more A3 sheets. Has the problem been resolved?

Yes

Finished!

No

Go to next step.

2If the paper is not registered as custom paper, register the brand of the paper.

3If there is room to reduce the print speed (from "High" or from "Middle"), and if the reduced throughput does not cause a problem, go to the next step.

Otherwise, perform the procedure from Step 5 in "(b) Changing the fusing temperature (If [Print Speed] is set to [Low])".

4In [Detailed settings] for the custom paper you are using, select 1231: [Print Speed], and then decrease the value in the following corresponding settings by one level.

Productivity Priority

  • 1231-01: Print Speed: BW/FC/FCS: BW/FC/FCS

  • 1231-02: Print Speed: FCS: Clear/Special

  • 1231-03: Print Speed: FCS: White

  • 1231-04: Print Speed: FCS: Metallic

  • 1231-06: Print Speed: S: Clear/Special

  • 1231-07: Print Speed: S: White

  • 1231-08: Print Speed: S: Metallic

High Quality

  • 1231-10: Print Speed: BW/FC/FCS: Fuser Setting HQ: BW/FC/FCS

  • 1231-11: Print Speed: FCS: Fuser Setting HQ: Clear/Special

  • 1231-12: Print Speed: FCS: Fuser Setting HQ: White

  • 1231-13: Print Speed: FCS: Fuser Setting HQ: Metallic

  • 1231-15: Print Speed: S: Fuser Setting HQ: Clear/Special

  • 1231-16: Print Speed: S: Fuser Setting HQ: White

  • 1231-17: Print Speed: S: Fuser Setting HQ: Metallic

If the present value is [High], select [Middle]. If it is [Middle], select [Low].

When decreasing the print speed to [Middle]

Go to "(a) Changing the fusing temperature (If [Print Speed] is set to [Middle])".

When decreasing the print speed to [Low]

Go to "(b) Changing the fusing temperature (If [Print Speed] is set to [Low])".

(a) Changing the fusing temperature (If [Print Speed] is set to [Middle])

1Select 1232: [Fusing Temperature], and then decrease the value in the following corresponding settings by 5°C.

Productivity Priority

  • 1232-01: Fusing Temperature: BW/FC/FCS: Heat Roller Temp

  • 1232-06: Fusing Temperature: FCS: Heat Roller Temp: Clear/Special

  • 1232-07: Fusing Temperature: FCS: Heat Roller Temp: White

  • 1232-08: Fusing Temperature: FCS: Heat Roller Temp: Metallic

  • 1232-26: Fusing Temperature: S: Heat Roller Temp: Clear/Special

  • 1232-27: Fusing Temperature: S: Heat Roller Temp: White

  • 1232-28: Fusing Temperature: S: Heat Roller Temp: Metallic

High Quality

  • 1232-46: Fusing Temperature: BW/FC/FCS: Fuser Setting HQ: Heat Roller Temp

  • 1232-51: Fusing Temperature: FCS: Fuser Setting HQ: Heat Roller Temp: Clear/Special

  • 1232-52: Fusing Temperature: FCS: Fuser Setting HQ: Heat Roller Temp: White

  • 1232-53: Fusing Temperature: FCS: Fuser Setting HQ: Heat Roller Temp: Metallic

  • 1232-71: Fusing Temperature: S: Fuser Setting HQ: Heat Roller Temp: Clear/Special

  • 1232-72: Fusing Temperature: S: Fuser Setting HQ: Heat Roller Temp: White

  • 1232-73: Fusing Temperature: S: Fuser Setting HQ: Heat Roller Temp: Metallic

2Print 10 or more A3 sheets. Has the problem been resolved?

Yes

Proceed to Step 3.

No

Start over from Step 1.

3Is the toner fusibility within the permissible range?

Note

  • The required level of fusibility is as follows.

    • The printed image does not come off.

    • The toner does not come off even if it is lightly rubbed by a nail.

    • The toner does not come off even if it is rubbed by the cloth for cleaning the contact glass.

Yes

Finished!

No

Change the print speed to "Low". Go to "(b) Changing the fusing temperature (If [Print Speed] is set to [Low])".

(b) Changing the fusing temperature (If [Print Speed] is set to [Low])

1Select 1232: [Fusing Temperature], and then decrease the value in the following corresponding settings by 20°C.

2Set the value in the following corresponding settings to 0°C.

Productivity Priority

  • 1232-02: Fusing Temperature: BW/FC/FCS: Correct Temp: Initial Feed

  • 1232-10: Fusing Temperature: FCS: Correct Temp: Initial Feed: Clear/Special

  • 1232-11: Fusing Temperature: FCS: Correct Temp: Initial Feed: White

  • 1232-12: Fusing Temperature: FCS: Correct Temp: Initial Feed: Metallic

  • 1232-30: Fusing Temperature: S: Correct Temp: Initial Feed: Clear/Special

  • 1232-31: Fusing Temperature: S: Correct Temp: Initial Feed: White

  • 1232-32: Fusing Temperature: S: Correct Temp: Initial Feed: Metallic

High Quality

  • 1232-47: Fusing Temperature: BW/FC/FCS: Fuser Setting HQ: Correct Temp: Initial Feed

  • 1232-55: Fusing Temperature: FCS: Fuser Setting HQ: Correct Temp: Initial Feed: Clear/Special

  • 1232-56: Fusing Temperature: FCS: Fuser Setting HQ: Correct Temp: Initial Feed: White

  • 1232-57: Fusing Temperature: FCS: Fuser Setting HQ: Correct Temp: Initial Feed: Metallic

  • 1232-75: Fusing Temperature: S: Fuser Setting HQ: Correct Temp: Initial Feed: Clear/Special

  • 1232-76: Fusing Temperature: S: Fuser Setting HQ: Correct Temp: Initial Feed: White

  • 1232-77: Fusing Temperature: S: Fuser Setting HQ: Correct Temp: Initial Feed: Metallic

3Set the value in the following corresponding settings to 5°C.

Productivity Priority

  • 1232-03: Fusing Temperature: BW/FC/FCS: Correct Temp: Pre-Feed

  • 1232-14: Fusing Temperature: FCS: Correct Temp: Pre-Feed: Clear/Special

  • 1232-15: Fusing Temperature: FCS: Correct Temp: Pre-Feed: White

  • 1232-16: Fusing Temperature: FCS: Correct Temp: Pre-Feed: Metallic

  • 1232-34: Fusing Temperature: S: Correct Temp: Pre-Feed: Clear/Special

  • 1232-35: Fusing Temperature: S: Correct Temp: Pre-Feed: White

  • 1232-36: Fusing Temperature: S: Correct Temp: Pre-Feed: Metallic

High Quality

  • 1232-48: Fusing Temperature: BW/FC/FCS: Fuser Setting HQ: Correct Temp: Pre-Feed

  • 1232-59: Fusing Temperature: FCS: Fuser Setting HQ: Correct Temp: Pre-Feed: Clear/Special

  • 1232-60: Fusing Temperature: FCS: Fuser Setting HQ: Correct Temp: Pre-Feed: White

  • 1232-61: Fusing Temperature: FCS: Fuser Setting HQ: Correct Temp: Pre-Feed: Metallic

  • 1232-79: Fusing Temperature: S: Fuser Setting HQ: Correct Temp: Pre-Feed: Clear/Special

  • 1232-80: Fusing Temperature: S: Fuser Setting HQ: Correct Temp: Pre-Feed: White

  • 1232-81: Fusing Temperature: S: Fuser Setting HQ: Correct Temp: Pre-Feed: Metallic

4Print 10 or more A3 sheets. Has the problem been resolved?

Yes

Proceed to Step 7.

No

Go to the next step.

5Go back to 1232: [Fusing Temperature] and decrease the fusing heat roller's temperature by 5°C.

6Print 10 or more A3 sheets. Has the problem been resolved?

Yes

Go to the next step.

No

Start over from Step 5.

7Is the toner fusibility within the permissible range?

Note

  • The required level of fusibility is as follows.

    • The printed image does not come off.

    • The toner does not come off even if it is lightly rubbed by a nail.

    • The toner does not come off even if it is rubbed by the cloth for cleaning the contact glass.

Yes

Finished!

No

Contact your service representative.

Note

  • Select "Clear/Special" when using Neon Yellow, Neon Pink, or Invisible Red. Select "Metallic" when using Gold or Silver.

  • When printing many sheets of images with high coverage, substantial toner wax adheres to the fusing belt and worsens the ghosting. In such a case, the ghosting can be reduced by executing 02: "Uneven Gloss (Short Time)" in 0508 "Manually Smooth Fusing Belt" in Adjustment Settings for Operators 1 to 5 times.

  • After performing the solution, it is recommended to perform the color calibration of the external printer controller.