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When You Cannot Print Properly

Toner smears appear on the print side of the page.

  • The paper setting may not be correct. For example, you are using thick paper but the setting for thick paper might not be set.

  • Check the paper settings.

  • Check the printer driver's paper settings. See the printer driver Help.

  • When the message “Rplcmnt Requird:PCU:Black” or “Rplcmnt Requrd:PCU:Color” appears on the display, replace the drum unit. For details, see Replacing the Drum Unit.

  • Check that the paper is not curled or bent. Envelopes can easily become curled. For details, see Paper Recommendations.

Photo images are coarse.

  • Some applications lower the resolution for making prints.

    Raise the resolution in the settings of the application.

Fine dot patterns do not print.

  • Change the [Dithering:] setting in the printer driver's dialog box.

    For details, see the printer driver Help.

Solid lines are printed as broken lines.

  • Change the [Dithering:] setting in the printer driver's dialog box.

    For details, see the printer driver Help.

The whole printout is blurred.

  • The paper is damp, probably due to improper storage. Use dry paper that has been stored properly.

    For details, see Paper Recommendations.

  • If you select [On] for [Economy Color:] on the [Print Quality] menu in the printer properties dialog box, print will be at lower density.

    For details, see the printer driver Help.

  • Toner is almost depleted. When the “Out of toner” / "(color)", or “Toner is almost empty” /"(color)" message appears on the display panel, or the toner indicator on the initial screen shows empty, replace the toner with new toner of the appropriate color.

    For details, see Adding Toner (Print Cartridge).

  • When the message “Rplcmnt Requird:PCU:Black” or “Rplcmnt Requrd:PCU:Color” appears on the display, replace the drum unit.

    For details, see Replacing the Drum Unit.

  • Condensation may have collected. If rapid change in temperature or humidity occurs, use this printer only after it has acclimatized.

White streaks or color streaks appear.

  • Toner is almost depleted. When the “Out of toner” / "(color)", or “Toner is almost empty” /"(color)" message appears on the display panel, or the toner indicator on the initial screen seems empty, replace the toner of the displayed color.

    For details, see Adding Toner (Print Cartridge).

  • When the message “Rplcmnt Requird:PCU:Black” or “Rplcmnt Requrd:PCU:Color” appears, replace the drum unit.

    For details, see Replacing the Drum Unit.

  • The paper is damp. Use paper that has been stored at a suitable temperature and humidity.

    Specks of paper may be attached to the registration roller. Clean the registration roller.

    For details, see Cleaning the Registration Roller.

Specks of paper may be attached to the registration roller. Clean the registration roller.

For details, see Cleaning the Registration Roller.

The backs of printed sheets are blemished.

  • When removing a jammed sheet, the inside of the printer may have become dirtied. Print several sheets until they come out clean.

  • If document size is larger than paper size, e.g. A4 document on B5 paper, the back of the next printed sheet may be dirtied.

If rubbed with your finger, it smears out.

  • The setting of the paper may not be correct. For example, although thick paper is used, the setting for thick paper may not be set.

    On the [Paper] tab of the printer driver, set [Paper Type:] to [Thick 1 (106 to 130 g/m2)] or [Thick 2 (131 to 163 g/m2)].

    • Check the paper settings of this printer.

      For details, see Types of Paper and Other Media.

    • Check the paper settings of the printer driver.

      For details, see the printer driver Help.

  • The fusing unit is deteriorated or damaged. Replace the unit.

    For details, see Replacing the Fusing Unit and Dustproof Filters.

When printing on OHP transparencies, a color is missing or black or white dots are obvious.

When printing on plain paper, white dots are obvious.