

Did you print data without margins, all the way to the edge of the page?
[Advanced Settings]
[Expand Print Region and Print]
[Off]

Are you using appropriate paper?
[Advanced Settings]
[Special Print Adjustment A]
Select mode
[Device Settings]
[Assisting Print Settings]
[Special Print Adjustment A]
Select mode
Toner may adhere when you replace the toner cartridge or when you leave the machine without printing for a long period.
[Advanced Settings]
[Special Print Adjustment B]
Select mode


Are you using appropriate paper? 

Are you using appropriate paper?
Is it time to replace the toner cartridge? 

Is toner running low?
Are you using appropriate paper?
Have you specified the correct paper type? 

Did you print data without margins, all the way to the edge of the page?
[Advanced Settings]
[Expand Print Region and Print]
[Off]
Is the correct printing position specified?
Are you using custom size paper loaded in correct orientation?
[Device Settings]
[Paper Source Settings]
Select the orientation in [Paper Feed Direction]

Is toner running low?
Is it time to replace the toner cartridge? 

Are you using paper that has absorbed moisture?
[Device Settings]
[Assisting Print Settings]
Select the [Use Transfer Adjustment Mode] check box
Are you using appropriate paper?
Is it time to replace the toner cartridge? 

Is the fixing assembly dirty?
[Device Settings]
[Assisting Print Settings]
Select the [Remove Dirt] check box


Have you loaded paper that is smaller than the size of the print data? 

Is the machine installed in a location where it is exposed to direct sunlight?
Are you using heavy paper?
[Device Settings]
[Assisting Print Settings]
Select the mode in [Dark Print Reduction Mode]|
[Mode 1]
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Shows an improvement effect when the paper type is [Heavy 3].
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[Mode 2]
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Shows an improvement effect when the paper type is [Heavy 1]/[Heavy 2]/[Heavy 3].
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[Mode 3]
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Shows an improvement effect when the paper type is [Plain]/[Plain H]/[Heavy 1]/[Heavy 2]/[Heavy 3].
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[Mode 4]
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Shows an improvement effect regardless of the paper type.
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Is it time to replace the toner cartridge?
[Device Settings]
[Assisting Print Settings]
Select the [Use High Density Mode] check box



Does this problem occur when, for example, you print immediately after turning ON the power for the first time in the case where the machine was not operated for some long time.
[Device Settings]
[Assisting Print Settings]
Select the [Clean Drum] check box


Are you trying to read a small barcode or one with thick lines?
[Advanced Settings]
[Barcode Adjustment Mode]
Select the mode