Printing Results Are Not Satisfactory
Dirt inside the machine may affect printing results. Perform care and cleaning to the machine first.
Cleaning the Machine
Cleaning the Machine
Smudge Marks Appear on the Bottom Edge of Printouts
Are you using appropriate paper?
Check the supported paper types and replace with an appropriate type.
Do you print data without margins?
This symptom occurs if a margin is set to none in the printer driver. A margin of 1/4" (5 mm) or less around the edge of paper or 3/8" (10 mm) or less around the edge of envelopes is not printable with the machine. Make sure to have margins around the document to print.
[Finishing] tab 
[Advanced Settings] [Expand Print Region and Print] [Off]
[Advanced Settings] [Expand Print Region and Print] [Off]Streaks Appear on Printouts
Are you using appropriate paper?
Check usable paper, and replace with appropriate paper.
White Streaks Appear
Is the toner cartridges consumed?
Check how much the amount remaining in toner cartridges is left, and replace the toner cartridges as necessary.
Toner Smudges and Splatters Appear
Are you using appropriate paper?
Check usable paper, and replace with appropriate paper.
Is the toner cartridges consumed?
Check how much the amount remaining in toner cartridges is left, and replace the toner cartridges as necessary.
Does the paper size specified in the driver match actual paper used?
To have the machine display an error before data is printed on a different paper size, set <Prioritize Driver Settings When Printing> to <Off>.
Printouts Are Faded
Is the toner cartridges consumed?
Check how much the amount remaining in toner cartridges is left, and replace the toner cartridges as necessary.
Are you using appropriate paper?
Check usable paper, and replace with appropriate paper. Also, specify the paper size and type settings properly.
Are the printouts faded when you print on envelopes?
Selecting <Envelope 2> for <Envelope Switch> may solve the problem.
A Portion of the Page Is Not Printed
Do you print data without margins?
This symptom occurs if a margin is set to none in the printer driver. A margin of 1/4" (5 mm) or less around the edge of paper or 3/8" (10 mm) or less around the edge of envelopes is not printable with the machine. Make sure to have margins around the document to print.
[Finishing] tab [Advanced Settings] [Expand Print Region and Print] [Off]
[Advanced Settings] [Expand Print Region and Print] [Off]Print Density Is Uneven
Is the toner cartridges consumed?
Check how much the amount remaining in toner cartridges is left, and replace the toner cartridges as necessary.
Printouts Become Lightly Colored
Does the document have background color, is it stained, or are you copying a document such as a newspaper that is printed on thin paper so that text or images on the other side are visible through the paper?
Check the document and then adjust the density to the correct settings.
Is the toner cartridges consumed?
Check how much the amount remaining in toner cartridges is left, and replace the toner cartridges as necessary.