Solutions
When horizontal banding (perpendicular to the printing direction) appears, or the top or bottom of the paper is smeared, load paper in the correct direction and slide the edge guides to the edges of the paper.
Solutions
When vertical banding (horizontal to the printing direction) appears, or the paper is smeared, clean the paper path.
Solutions
Place the paper on a flat surface to check if it is curled. If it is, flatten it.
Solutions
When printing on thick paper or envelopes, the print head is close to the printing surface and the paper may be scuffed. In this case, enable the reduce scuff setting. If you enable this setting, print quality may decline or printing may slow down.
Control panel
Select Settings > General Settings > Printer Settings, and then enable Thick Paper.
Windows
Click Extended Settings on the printer driver's Maintenance tab, and then select Thick Paper and Envelopes.
Mac OS
Select System Preferences from the Apple menu > Printers & Scanners (or Print & Scan, Print & Fax), and then select the printer. Click Options & Supplies > Options (or Driver). Select On as theThick paper and envelopes setting.