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imageCLASS LBP6680x Support
FAQs & troubleshooting

Unevenness/Smudge Marks Appear

Content Id: 8201388400


Printing Is Uneven

⋖Cause 1⋗

Paper is too moist or too dry.

⋖Solution⋗

Replace the paper with new paper in an unopened package. For details on paper which requires attention before use, see the "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.

⋖Cause 2⋗

The toner cartridge is almost out of toner.

⋖Solution⋗

Take the toner cartridge out of the printer, shake it gently five or six times to evenly distribute the toner, and then reinstall the toner cartridge.

⋖Cause 3⋗

The drum in the toner cartridge is deteriorated.

⋖Solution⋗

Replace the toner cartridge with a new one. For details on replacing the toner cartridge, see the "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.

The Back of the Printed Paper Has Smudge Marks

⋖Cause⋗

The size of the print data was larger than that of the loaded paper.

⋖Solution⋗

Check if the size of the print data matches that of the loaded paper.

Printed Pages Have White Specks

⋖Cause 1⋗

Appropriate paper is not being used.

⋖Solution⋗

Replace the paper with that which can be used with this printer. [ Usable Paper ]

⋖Cause 2⋗

Damp paper is used.

⋖Solution⋗

Replace the paper with new paper in an unopened package. For details on the paper which requires attention before use, see the "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.

⋖Cause 3⋗

The drum in the toner cartridge is deteriorated.

⋖Solution⋗

Replace the toner cartridge with a new one. For details on the procedure for replacing the toner cartridge, see the "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.

Residual Images Appear on Non-printed Areas

⋖Cause 1⋗

Appropriate paper is not being used.

⋖Solution⋗

Replace the paper with that which can be used with this printer. [ Usable Paper ]

⋖Cause 2⋗

The drum in the toner cartridge is deteriorated.

⋖Solution⋗

Replace the toner cartridge with a new one. For details on the procedure for replacing the toner cartridge, see the "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.

The Overall Print Result Is Dark

⋖Cause 1⋗

The setting for [Density] is not appropriate.

⋖Solution⋗

Adjust [Density]. For details on the procedure for adjusting the toner density, see the "e-Manual" (HTML) in the CD-ROM supplied with the printer.

⋖Cause 2⋗

The printer is exposed to direct sunlight or strong light.

⋖Solution⋗

Move the printer.

The Toner Does Not Fix onto the Paper Well

⋖Cause 1⋗

The setting for [Paper Type] is not specified properly.

⋖Solution⋗

Specify [Paper Type] properly. For details on the procedure for specifying the setting for the paper type, see the "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.

⋖Cause 2⋗

Appropriate paper is not being used.

⋖Solution⋗

Replace the paper with that which can be used with this printer. [ Usable Paper ]

⋖Cause 3⋗

A problem is occurring inside the printer.

⋖Solution⋗

If ⋖Ennn-nnnn⋗ appears in the display, follow the procedure in "The Message Indicator Is On" in the "e-Manual" to solve the problem.

Smudge Marks of Spattering Toner Appear around the Text or Patterns

⋖Cause⋗

Appropriate paper is not being used.

⋖Solution⋗

Replace the paper with that which can be used with this printer. [ Usable Paper ]

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