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 Edge of Printouts
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.
If using the appropriate paper still does not solve the problem, change one of the <Special Mode Z>, <Special Mode C>, and <Special Mode D> settings.
To print from a computer, change the setting for [Special Print Adjustment] in the printer driver.
[Mode 1] has the least effect while [Mode 4] has the most effect. Try each in order starting with [Mode 1]. Increasing the effect makes the print density lighter. Outlines may also be blurred or images may appear somewhat grainy.
Did you just replace the toner cartridge? Have you not used the printer for a long period of time?
Change the setting for <Special Mode B>.
White Streaks Appear
Is toner running low?
Check how much toner 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.
Change the setting for <Special Mode U>.
Is toner running low?
Check how much toner is left, and replace the toner cartridges as necessary.
Printouts Are Faded
Is toner running low?
Check how much toner 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 you using the machine in a special environment (in particular, a low-temperature environment)?
Toner may not adhere adequately, causing printouts to appear faded. Change the setting for <Special Mode K>.
Printed Pages Have White Specks
Are you using appropriate paper?
Check usable paper, and replace with appropriate paper.
Is the drum in the toner cartridge deteriorated?
Replace the toner cartridge with a new one.
Are you printing a document with strong contrasts?
Change the setting for [Special Print Mode] using the Printer Driver.
When set to [Special Settings 2], print density is lighter compared with [Off] or [Special Settings 1]. Text and lines may also appear faded.
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 toner running low?
Check how much toner is left, and replace the toner cartridges as necessary.
Is printing sometimes uneven when printing fine lines?
Change the setting for <Special Mode J>.
Printouts Are Grayish
Is <Correct Density> in <Copy Settings> set too dark?
Adjust the setting so that density is lighter.
Is the printer installed where it is subject to direct sunlight or strong light?
Install the printer in an appropriate location.
Was the toner cartridge been left in direct sunlight for a long period of time?
Store the toner cartridge in an appropriate location for two to three hours, then try printing again. This may solve the problem. If the problem persists, replace the toner cartridge.
Cannot Scan a Printed Barcode
Are you trying to scan a barcode printed with factory default settings?
In the printer driver, specify [Special Settings 1] for the setting of [Special Print Mode].
When set to [Special Settings 1], print density is lighter compared with [Off]. Text and lines may also appear faded.
White specks may appear in images printed on paper other than lightweight paper with this feature set to [ON].