Solution
<Cause 1>
Paper is too moist or too dry.
<Solution>
Replace the paper with new paper in an unopened package. For details on paper which requires attention before use, see "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.
<Cause 2>
The toner cartridge is almost out of toner.
<Solution>
Take the toner cartridge out of the printer, shake it gently five or six times to evenly distribute the toner, and then reinstall the toner cartridge. For details on installing the toner cartridge, see "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.
<Cause 3>
The drum in the toner cartridge is deteriorated.
<Solution>
Replace the toner cartridge with a new one. For details on replacing the toner cartridge, see "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.
The Back of the Printed Paper Has Smudge Marks
<Cause>
The size of the print data was larger than that of the loaded paper.
<Solution>
Check if the size of the print data matches that of the loaded paper.
The Printed Paper Has Vertical Streaks
<Cause 1>
Depending on the paper type or the operating environment, vertical streaks may appear on the printed paper.
<Solution 1>
Replace the paper with new paper in an unopened package. For details on the paper which requires attention before use, see "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.
<Solution 2>
Perform the following procedure in the printer driver.
1. Display the [Finishing] sheet.
2. Click [Advanced Settings].
3. Change the [Special Print Adjustment A] setting.
Improving effectiveness for vertical streaks increases in the following order.
(Effectiveness: low) [Off] → [Mode 1] → [Mode 2] → [Mode 3] → [Mode 4] (Effectiveness: high)
* Even if you do not change the setting due to change in paper type or operating environment, this may also avoid vertical streaks appearing on the printed paper.
* As improving effectiveness increases, print density decreases. This may also make outlines appear to be blurred or slightly jagged.
<Cause 2>
The toner cartridge was replaced, or the printer was not printed for a long period of time.
<Solution>
Perform the following procedure in the printer driver.
1. Display the [Finishing] sheet.
2. Click [Advanced Settings].
3. Change the [Special Print Adjustment B] setting.
Improving effectiveness for vertical streaks increases in the following order.
(Effectiveness: low) [Off] → [Mode 1] → [Mode 2] → [Mode 3] (Effectiveness: high)
* Even if you do not change the setting, this may also avoid vertical streaks appearing on the printed paper.
* As improving effectiveness increases, print speed may slow down.
<Cause 1>
Appropriate paper is not being used.
<Solution>
Replace the paper with that which can be used with this printer.
[Usable Paper]
<Cause 2>
Damp paper is used.
<Solution>
Replace the paper with new paper in an unopened package. For details on the paper which requires attention before use, see "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.
<Cause 3>
The drum in the toner cartridge is deteriorated.
<Solution>
Replace the toner cartridge with a new one. For details on the procedure for replacing the toner cartridge, see "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.
<Cause 4>
When you print a document of highly contrasting density, white specks may appear on the outlines of the text or images.
<Solution>
1. Display the [Finishing] sheet.
2. Click [Advanced Settings].
3. Set [Special Print Mode B] to [Special Settings 2].
* Specifying [Special Settings 2] decreases print density compared to when [Off] is specified.
<Cause 5>
Printed pages may have white specks depending on the application or data you use.
<Solution>
1. Display the [Finishing] sheet.
2. Click [Advanced Settings].
3. Set [Rendering Mode A] to [Mode 2].
* Specifying [Mode 2] may deteriorate printer performance depending on the application or data you use.
Residual Images Appear on Non-printed Areas
<Cause 1>
Appropriate paper is not being used.
<Solution>
Replace the paper with that which can be used with this printer.
[Usable Paper]
<Cause 2>
The drum in the toner cartridge is deteriorated.
<Solution>
Replace the toner cartridge with a new one. For details on the procedure for replacing the toner cartridge, see "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.
The Overall Print Result Is Dark
<Cause 1>
The setting for [Toner Density] is not appropriate.
<Solution>
Adjust [Toner Density] in the printer driver to a lighter setting. For details on the procedure for adjusting the toner density, see "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.
<Cause 2>
The printer is exposed to direct sunlight or strong light.
<Solution>
Move the printer.
The Toner Does Not Fix onto the Paper Well
<Cause 1>
The setting for [Paper Type] is not specified properly.
<Solution>
Specify [Paper Type] properly.
* If you want to improve the fixation when printing heavy paper (90 to 163 g/㎡) with [Heavy Paper] selected, select [Heavy Paper H].
For details on the procedure for specifying [Paper Type], see "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.
<Cause 2>
Appropriate paper is not being used.
<Solution>
Replace the paper with that which can be used with this printer.
[Usable Paper]
<Cause 3>
A problem is occurring inside the printer.
<Solution>
If <Service Error> is displayed in the Printer Status Window, see "e-Manual" (HTML manual) in the CD-ROM supplied with the printer.
Smudge Marks of Spattering Toner Appear around the Text or Patterns
<Cause 1>
Appropriate paper is not being used.
<Solution>
Replace the paper with that which can be used with this printer.
[Usable Paper]
<Cause 2>
Depending on the paper type (especially for heavy paper) or the operating environment (especially in a low-humidity environment), smudge marks of spattering toner may appear.
<Solution>
Perform the following procedure in the printer driver.
1. Display the [Finishing] sheet.
2. Click [Advanced Settings].
3. Set [Special Print Mode A] to [Special Settings A5].
* Normally, use the printer with [Special Print Mode A] set to [Off]. Specify [Special Settings A5] only if the described problems occur.
* Selecting [Special Settings A5] may deteriorate print quality depending on the paper type (especially for thin paper) or the operating environment (especially in a high-humidity environment). In this case, do not specify [Special Settings A5].