• Condensation may have collected. If rapid change in temperature or humidity occurs, use this printer
only after it has acclimatized.
The whole printout is blurred.
• Paper is damp. Use paper that has been stored properly.
See p.107 "Paper Recommendations".
• If you select [Toner saving] on the [Print Quality] tab in the printer properties dialog box, printing is
generally less dense.
See the printer driver Help.
• Toner is almost depleted. When the "Out of toner" / "Replace Toner Cartridge." / “(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 cartridge of the displayed color.
See p.139 "Adding Toner".
• When "Replace PCU:Black." or "Replace PCU:Colour." appears on the display, replace the black
drum unit/color drum units.
See p.143 "Replacing the Black Drum Unit/Color Drum Units".
• Condensation may have collected. If rapid change in temperature or humidity occurs, use this printer
only after it has acclimatized.
White streaks appear or color streaks appear.
• Toner is almost depleted. When the "Out of toner" / "Replace Toner cartridge." / “(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 cartridge of the displayed color.
See p.139 "Adding Toner".
• When "Replace PCU:Black." or "Replace PCU:Colour." appears on the display, replace the black
drum unit/color drum units.
See p.143 "Replacing the Black Drum Unit/Color Drum Units".
• 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 p.181 "Cleaning the Registration Roller".
White or color rivers appear.
• When "Replace PCU:Black." or "Replace PCU:Colour." appears on the display, replace the black
drum unit/color drum units.
See p.143 "Replacing the Black Drum Unit/Color Drum Units".
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.
Printing Problems
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