<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] tab.
2. Click [Advanced Settings].
3. Set [Special Print Adjustment B] to [Mode 1].
If the problem is not solved, specify [Mode 2].
If the problem is not solved, specify [Mode 3].
Selecting [Off] may also avoid vertical streaks appearing on the printed paper.
In this case, reset the setting to [Off].
If you specify this setting, printing speed may drop.
<Cause 3> Damp and thin paper (60 to 74 g/m²) is used.
Solution
In the printer driver, set [Paper Type] to [Plain L] and [Special Print Mode C] to [On].
"Configuring the Printer Driver and Printing"
[Special Print Mode C] can also be set using the printer's control panel.
"[Setup] Menu ([User Maintenance] Options)"
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