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User GuidePro C7500/C7500H

Thin Paper may have Problems such as Curling, Stacking Error, Paper Jam, and Sheets being Bent at the Corners

Thin paper and other paper that requires high fusing temperatures are prone to curl due to the large temperature difference between the fused and pressurized sides.

As a result, the following problems may occur when delivering the paper.

  • Paper curling

  • Not stacked properly

  • Paper jams

  • Folded edges

Solution:

Note

  • You need to register the paper as custom paper in advance.

1In [Detailed settings] for the custom paper you are using, select 1321: [Correct Paper Curl], and then set [Correction Mode] to [U Curl Correction Level: Large] or [П Curl Correction Level: Large] according to the curl.

2Print the image. Has the problem been resolved?

Yes

Finished!

No

Go to the next step.

3Is the finisher shift tray selected to the output tray?

Yes

Proceed to Step 6.

No

Go to the next step.

4Select the finisher shift tray to the output tray.

5Print the image. Has the problem been resolved?

Yes

Finished!

No

Go to the next step.

6In [Detailed settings] for the custom paper you are using, select 1232: [Fusing Temperature], select [Heat Roller Temp], and then decrease the value in the following corresponding settings by 5°C.

  • 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

  • 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

7Print 20 or more sheets. Is the condition of the image acceptable?

Yes

Go to the next step.

No

No further improvement is likely.

8Check if the toner fusibility is 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 the image is wiped with an optical cloth.

Yes

Go to the next step.

No

No further improvement is likely.

9Has the paper output improved?

Yes

Finished!

No

Repeat Steps 6 to 9.

If the problem still persists, contact your service representative.

Note

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