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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.
Check that the paper is not curled or bent. Envelopes can easily become curled. For details, see Paper Specifications.
Photo images are grainy.
Some applications lower resolution levels when print jobs are performed.
Specify an increased resolution level using the application settings.
Fine dot patterns do not print.
Change the [Dithering:] setting in the PostScript 3 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 PostScript 3 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 Specifications.
If you select [On] for [Economy Color:] on the [Print Quality] menu in the printer properties dialog box, printing will be at lower density.
For details, see the printer driver Help.
Toner is almost depleted. When the "Toner is almost empty." message appears on the display, replace the toner cartridge. For details, see Adding Toner.
Condensation may have occurred. If there were sudden changes in temperature or humidity, restart the printer when it is acclimatized.
Color shift occurs.
If the colors are different from what you expect, perform [Color Registration].
For details, see When the Color Registration Shifts.
Speckling occurs in areas of solid black print.
Select [CMY + K] for [Gray Reproduction:] in the printer driver's dialog box.
For details, see the printer driver Help.
White streaks or color streaks appear.
Toner is almost depleted. When the "Toner is almost empty." message appears on the display, replace the toner cartridge. For details, see Adding Toner.
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.
Images are not printed in the right position.
Adjust the printing position.
Adjust the printing position for each tray by specifying the adjustment values for [Registration] in [Quality Maintenance] under [Maintenance] using the control panel. For details, see When the Printing Position Changes.
Adjust the end guide and both side paper guides to match the paper size. See Loading Paper into Paper Trays.
Images are printed at an angle.
Adjust the end guide and both side paper guides to match the paper size. See Loading Paper into Paper Trays.
White/Black lines appear.
Clean the LED head. For details, see Cleaning the LED Heads.
The intermediate transfer unit is dirty. Follow the procedure below to clean the unit:
Press the [Menu] key.
Select [Maintenance]
Press [OK]Select [Quality Maintenance]
Press [OK]Select [Cleaning]
Press [OK]
If this procedure does not resolve the problem, contact your sales or service representative.
Horizontal lines appear on the printed paper.
Impact can cause lines to appear on printed paper and other malfunctions.
Protect the printer from impact at all times, especially while it is printing.
If lines appear on prints, turn the printer off, wait a few moments, and then turn it back on again. Then, repeat the print job.
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 the document size is larger than the paper size, e.g. A4 document on B5 paper, the back of the next printed sheet may be dirtied.
If rubbed with your finger, printed toner smears.
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.
Check the paper settings of this printer.
For details, see Paper Specifications.
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 Other Consumables.
When printing on plain paper, white dots are obvious.
The registration roller or the paper tray is dirty. Clean the registration roller or the paper tray. For details, see Maintaining Your Printer.
Partial dropouts of printed images occur.
The printer's performance may be affected by ambient humidity or waterdrops inside the duplex unit. If this occurs, set [Anti-humidity(Dropout Prv)] to [On]. If dropouts occur only on the back sides of two-sided printouts, set [Anti-droplet (2 Sided Prt)] to [On].
Paper comes out bent.
Paper may be damp and curled if it is stored in an environment with a high humidity level. Such paper may come out bent on printing. If this occurs, set [Curl Prevention] to [On].
