Issue
The back side of the paper is dirty
Cause and Solution
<Cause1> The Platen has become dirty after borderless printing or printing on small paper.
<Corrective Action1>
Open the Top Cover and clean the Platen.
<Corrective Action2>
In the Control Panel menu, set [CarriageScanWdth] to [Fixed].
<Cause2> The Platen has become soiled because you have set [Width Detection] to [Off] in the Control Panel menu.
<Corrective Action1>
Set [Width Detection] to [On] in the Control Panel menu, and then open the Top Cover and clean the Platen.
<Corrective Action2>
Open the Top Cover and clean the Platen. After this, manually advance the roll onto the Platen before printing.
<Cause3> The Platen suction is too strong.
<Corrective Action>
In the Control Panel menu, reduce the level of [VacuumStrngth].